CN219395159U

CN219395159U - Water sealing structure

Info

Publication number: CN219395159U
Application number: CN202223326795.4U
Authority: CN
Inventors: 陈德和
Original assignee: Universal PCB Equipment Co Ltd
Current assignee: Universal PCB Equipment Co Ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-07-21
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a water sealing structure, which is applied to a maintenance window of a medicine water tank of PCB equipment, and comprises the following components: the base is arranged on the PCB equipment medicine water tank corresponding to the window; the top cover assembly is covered on the base, and a through groove is formed in the base corresponding to the connecting part of the top cover assembly and is used for accommodating flowing water; and the water supply and drainage assembly comprises a pipeline, the pipeline is connected with the through groove, and the pipeline is used for supplying water and draining water for the through groove, so that flowing water is introduced into the through groove to form water seal. According to the technical scheme, the top cover assembly and the base are arranged, the base is fixedly arranged on the maintenance window of the drug water tank of the PCB equipment, the through groove is formed between the base and the top cover assembly, liquid water flows in the through groove through the water supply and drainage assembly, the water-soluble harmful gas is sealed through the flowing water, the escape of the harmful gas is avoided, meanwhile, crystallization is avoided due to the flowing water, the structure is simple and portable, and the sealing effect is good.

Description

Water sealing structure

Technical Field

The utility model relates to the technical field of sealing equipment, in particular to a water sealing structure.

Background

The current PCB equipment has the liquid medicine jar of depositing liquid medicine, and needs to reserve the maintenance window at the top of PCB equipment liquid medicine jar to follow-up maintenance, the maintenance operation of PCB equipment liquid medicine jar, because can produce certain harmful gas after the liquid medicine volatilizees in the PCB equipment liquid medicine jar again, therefore need accomplish sufficient gas tightness and seal, in order to prevent harmful gas escape.

The maintenance window of the traditional PCB equipment medicine water tank usually adopts a double-layer glass structure pressed by a handle, and glass and adhesive tapes are pressed by utilizing the stress of locking a glass handle and a window frame, namely, the maintenance window of the PCB equipment medicine water tank is only arranged by a top cover and an adhesive tape cover thereof in the prior art, and the sealing effect realized by the adhesive tapes is realized, but the prior art has the crystallization caused by condensation after residual liquid medicine at the adhesive tape groove is cooled, and the double-layer glass is thicker and heavier, so that the taking and placing during maintenance are inconvenient.

Therefore, there is an urgent need for a sealing structure that does not crystallize and has a good sealing effect.

Disclosure of Invention

The utility model mainly aims to provide a water sealing structure, which aims to solve the problem that the sealing structure of a maintenance window of a traditional PCB equipment medicine water cylinder is easy to crystallize.

In order to achieve the above object, the present utility model provides a water sealing structure applied to a maintenance window of a drug jar of a PCB device, comprising:

the base is arranged on the PCB equipment medical water tank corresponding to the window;

the top cover assembly is covered on the base, and a through groove is formed in the base corresponding to the connecting part of the top cover assembly and used for accommodating flowing water;

the water supply and drainage assembly comprises a pipeline, the pipeline is connected with the through groove, and the pipeline is used for supplying water to and draining water from the through groove, so that flowing water is introduced into the through groove to form water seal.

Preferably, the base has a first drain opening and a second drain opening, the first drain opening and the second drain opening are disposed on the same side, the first drain opening and the second drain opening are disposed at intervals, and a distance between the first drain opening and the window is greater than a distance between the second drain opening and the window.

Preferably, the water supply and drainage assembly comprises a first pipeline and a second pipeline, the first pipeline is connected with the base through the first water outlet, the second pipeline is connected with the base through the second water outlet, and the first pipeline and the second pipeline are used for discharging water in the through groove.

Preferably, the water supply and drainage assembly comprises a valve, the valve is arranged on the second pipeline, the valve has an open state and a closed state, and when the valve is in the closed state, the first pipeline drains water; when the valve is in an open state, the second pipeline and the first pipeline are used for draining water simultaneously.

Preferably, the water supply and drainage assembly further comprises a three-way joint, the three-way joint is provided with a main pipeline interface and a branch pipeline interface, the main pipeline interface is connected with the first pipeline, the branch pipeline interface is connected with the second pipeline, and the three-way joint is used for communicating the first pipeline and the second pipeline.

Preferably, the water supply and drainage assembly further comprises at least two elbows, one ends of the two elbows are respectively connected with the first water outlet and the second water outlet, the other ends of the two elbows are respectively connected with the first pipeline and the second pipeline, and the bending direction of the elbows is that the elbows are bent downwards vertically and horizontally extending from the first water outlet.

Preferably, the water supply and drainage assembly comprises a water inlet pipe, the water inlet pipe penetrates through the base outside the window and is communicated with the through groove, and the water inlet pipe is used for supplying water to the inside of the through groove.

Preferably, the water supply and drainage assembly further comprises a locking sleeve and a fixing piece, the locking sleeve is connected with the base, one end of the fixing piece is clamped with the locking sleeve, the other end of the fixing piece sleeve is sleeved on the water inlet pipe, the fixing piece is connected with the base through the locking sleeve, and the water inlet pipe is fixedly connected with the base through the locking sleeve and the fixing piece.

Preferably, the top cover assembly includes a handle disposed on the top cover assembly, the handle being configured to provide a grip for taking the top cover assembly.

Preferably, the top cover assembly is made of transparent AS plastic.

According to the technical scheme, the top cover assembly and the base are arranged, the base is fixedly arranged on the maintenance window of the drug water tank of the PCB equipment, the through groove is formed between the base and the top cover assembly, liquid water flows in the through groove through the water supply and drainage assembly, harmful gas is sealed through flowing water, the harmful gas is prevented from escaping, meanwhile, crystallization can be prevented from being generated due to flowing of the water, and the water sealing structure provided by the utility model has the effects of simple and light structure and good sealing performance.

Drawings

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

FIG. 1 is a schematic cross-sectional view of a water seal structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a water seal structure according to an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of the water seal structure shown in FIG. 1 at A;

fig. 4 is a schematic structural diagram of a base according to an embodiment of the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				1000	Water sealing structure	10	Base seat
11	First water outlet	12	Second water outlet
				20	Top cover assembly	21	Through groove
22	Handle	23	Connecting part
				24	Top cover body	30	Water supply and drainage assembly
31	First pipeline	32	Second pipeline
				33	Valve	34	Tee joint
35	Elbow joint	36	Water inlet pipe
				361	Locking sleeve	362	Fixing piece

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is 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 at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1, the present utility model proposes a water sealing structure 1000, the water sealing structure 1000 being applied to a maintenance window of a medical water tank of a PCB apparatus, the water sealing structure 1000 comprising:

the base 10 is arranged on the PCB equipment medical water tank corresponding to the window;

the top cover assembly 20 is arranged on the base 10 in a covering manner, and a through groove 21 is arranged on the base 10 corresponding to a connecting part 23 of the top cover assembly 20, wherein the through groove 21 is used for accommodating flowing water;

the water supply and drainage assembly 30, the water supply and drainage assembly 30 comprises a pipeline, the pipeline is connected with the through groove 21, and the pipeline is used for supplying water to and draining water from the through groove 21, so that flowing water is introduced into the through groove 21 to form a water seal.

In this embodiment, through the fluidity and the tightness of water, part of the liquid medicine existing at the maintenance window is washed away to avoid crystallization, and simultaneously, the irritant harmful gas inside the liquid medicine tank of the PCB equipment is isolated from the outside, and a high-low drainage structure is adopted, so that the liquid medicine tank is easier to clean during maintenance.

In more detail, in this embodiment, the base 10 is disposed along the circumference of the maintenance window, the top cover assembly 20 includes a top cover body 24 and a connecting portion 23, the top cover body 24 is square, round or otherwise shaped identical to the shape of the maintenance window, the connecting portion 23 is disposed at the circumferential edge of the top cover body 24, the connecting portion 23 extends vertically downward, the base 10 is provided with a through groove 21 corresponding to the connecting portion 23, the connecting portion 23 is in incomplete contact with the through groove 21, so that a gap exists between the connecting portion 23 and the through groove 21, the gap is used for containing flowing water, and the through groove 21 is supplied with water and drained regularly or uninterruptedly through the water supply and drainage assembly 30, so that the flowing water can isolate harmful gas in the medicine water tank of the PCB equipment.

As shown in fig. 4, the base 10 has a first drain 11 and a second drain 12, the first drain 11 and the second drain 12 are disposed on the same side, and the first drain 11 and the second drain 12 are disposed at a distance from each other, and the distance between the first drain 11 and the window is greater than the distance between the second drain 12 and the window.

In this embodiment, the height of the first drain opening 11 above the ground is greater than the height of the second drain opening 12 above the ground, that is, the first drain opening 11 is used for draining water to a high level, the second drain opening 12 is used for draining water to a low level, the water seal structure 1000 has an operating state and a maintenance state, when the water seal structure 1000 is in the operating state, the water supply and drainage assembly 30 simultaneously performs water supply and drainage, at this time, only the slow drainage of the flowing water is required, when the water seal structure 1000 is in the maintenance state, the top cover assembly 20 needs to be opened, at this time, the flowing water needs to be rapidly drained, and the water supply and drainage assembly 30 only performs water drainage, that is, when the water seal structure 1000 is in the operating state, high level drainage and when the water seal structure 1000 is in the maintenance state, low level drainage.

As shown in fig. 2, the water supply and drain assembly 30 includes a first pipe 31 and a second pipe 32, the first pipe 31 is connected to the base 10 through the first drain 11, the second pipe 32 is connected to the base 10 through the second drain 12, and the first pipe 31 and the second pipe 32 are used for draining water in the through groove 21.

In this embodiment, the first pipe 31 is connected to the first drain port 11, the second pipe 32 is connected to the second drain port 12, and is high-level drainage when the first pipe 31 is used for drainage, and is low-level drainage when the second pipe 32 is used for drainage, and the first pipe 31 and the second pipe 32 are arranged along the vertical surface of the drug water tank of the PCB device, so that the occupied space is reduced.

As shown in fig. 2, the water supply and drain assembly 30 includes a valve 33, the valve 33 is disposed on the second pipe 32, the valve 33 has an open and a closed state, and when the valve 33 is in the closed state, the first pipe 31 drains water; when the valve 33 is in the open state, the second pipe 32 is used for draining water simultaneously with the first pipe 31.

In this embodiment, the valve 33 is a loose-joint ball valve, which is used as a component for cutting off, distributing and changing the flow direction of the medium in the pipeline, and the loose-joint ball valve can be tightly closed only by rotating by 90 degrees and small rotation moment, so that the valve has the advantages of wear resistance, good sealing performance, long service life and light weight, and is convenient for an operator to quickly switch the water seal structure 1000 between high-level drainage and low-level drainage through the loose-joint ball valve.

It will be appreciated that valve 33 is any component that meets the need to shut off, dispense and change the flow direction of the medium in the line.

As shown in fig. 2, the water supply and drainage assembly 30 further includes a three-way joint 34, the three-way joint 34 has a main joint and a branch joint, the main joint is connected to the first pipeline 31, the branch joint is connected to the second pipeline 32, and the three-way joint 34 is used for communicating the first pipeline 31 and the second pipeline 32.

In this embodiment, the three-way joint 34 is disposed at the ends of the first pipeline 31 and the second pipeline 32, and if the three-way joint 34 is not disposed, the first pipeline 31 and the second pipeline 32 need to be additionally provided with a water outlet pipe, and only the first pipeline 31 and the second pipeline 32 need to be connected to the same water outlet pipe through the three-way joint 34, so that the resource waste is reduced.

As shown in fig. 2, the water supply and drainage assembly 30 further includes at least two elbows 35, one ends of the two elbows 35 are respectively connected with the first water drain port 11 and the second water drain port 12, the other ends of the two elbows 35 are respectively connected with the first pipeline 31 and the second pipeline 32, and the bending direction of the elbows 35 is that the elbows 35 are bent vertically downwards from the horizontal extension of the first water drain port 11.

In this embodiment, it can be understood that, the maintenance window of the PCB device water tank is disposed at the top of the PCB device water tank, if the water outlet is straight to the horizontal direction or has an oblique setting with a certain inclination, the water outlet occupies too much space and even needs to be additionally provided with a water pump, so that the water outlet needs to be disposed below the water inlet for avoiding too much space occupation and facilitating automatic drainage through gravitational potential energy, that is, the first pipeline 31 and the second pipeline 32 need to be attached to the vertical surface of the PCB device water tank through the bend 35 bent downwards, so that the water is conveniently drained and occupied space is reduced.

It is understood that the number of the elbows 35 can be plural, and the plural elbows 35 can enable the first pipeline 31 and/or the second pipeline 32 to be arranged according to the actual requirements and the space environment.

As shown in fig. 3, the water supply and drain assembly 30 includes a water inlet pipe 36, the water inlet pipe 36 is disposed on the base 10 outside the window, and the water inlet pipe 36 is communicated with the through groove 21, and the water inlet pipe 36 is used for supplying water into the through groove 21.

In this embodiment, the water inlet pipe 36 is a hose, the water inlet pipe 36 is disposed at one end of the base 10 far away from the first water outlet 11 and the second water outlet 12, so as to prevent water from directly flowing to the first water outlet 11 and/or the second water outlet 12, thereby resulting in insufficient water coverage, and when the water inlet pipe 36 is disposed at one end of the base 10 far away from the first water outlet 11 and the second water outlet 12, the water coverage is sufficient, and the air tightness is ensured.

It will be appreciated that in other embodiments, the inlet tube 36 can be a hard tube or other component that can be used to feed water.

As shown in fig. 3, the water supply and drainage assembly 30 further includes a locking sleeve 361 and a fixing member 362, the locking sleeve 361 is connected with the base 10, one end of the fixing member 362 is clamped with the locking sleeve 361, the other end of the fixing member 362 is sleeved on the water inlet pipe 36, the fixing member 362 is connected with the base 10 through the locking sleeve 361, and the water inlet pipe 36 is fixedly connected with the base 10 through the locking sleeve 361 and the fixing member 362.

In this embodiment, the locking sleeve 361 is provided with a thread, the base 10 is provided with a thread groove corresponding to the thread of the locking sleeve 361, the locking sleeve 361 is in threaded connection with the base 10, the fixing member 362 is in a U shape, the fixing member 362 is provided with a containing cavity capable of containing the locking sleeve 361, one end of the locking sleeve 361 is provided with an elastic member, the elastic member always expands outwards from the axis of the locking sleeve 361, and when the elastic member is connected with the fixing member 362, the elastic member is abutted against the inner wall of the fixing member 362, so that the elastic member is fixed with the fixing member 362.

As shown in fig. 4, the top cover assembly 20 includes a handle 22, the handle 22 is disposed on the top cover assembly 20, and the handle 22 is used to provide a gripping portion for taking the top cover assembly 20.

In this embodiment, as shown in fig. 4, the handle 22 is disposed along the direction from the water inlet pipe 36 to the first water outlet 11, so that an operator can lift the top cover assembly 20 by using the handle 22, and meanwhile, as shown in fig. 1, the handle 22 and the top cover body 24 are fixed by using locking screws, so as to prevent the handle 22 from being separated from the top cover body 24.

In this embodiment, the top cover assembly 20 is made of transparent AS plastic.

Wherein, the top cover in the prior art is double-layer glass, and it is understood that AS plastic is known AS acrylonitrile-styrene copolymer. The high molecular compound formed by copolymerization of acrylonitrile and styrene, double-layer glass is heavier than AS plastic with the same thickness, is inconvenient for operators to take, meanwhile, the overweight double-layer glass also has weaker impact resistance and risk of cracking, and the AS plastic is selected to obviously reduce the quality of the top cover assembly 20 and improve the mechanical property of the top cover assembly 20 in the use process.

According to the technical scheme, the top cover assembly and the base are arranged, the base is fixedly arranged on the maintenance window of the medicine water tank of the PCB equipment, the through groove is formed between the base and the top cover assembly, liquid water flows in the through groove through the water supply and drainage assembly, the harmful gas is sealed through flowing water, the harmful gas is prevented from escaping, meanwhile, crystallization can be avoided due to the flowing of the water, and the water sealing structure has the effects of being simple and light in structure and good in sealing performance.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A water sealing structure applied to a maintenance window of a medicine water tank of a PCB apparatus, comprising:

2. The water seal of claim 1, wherein the base has a first drain and a second drain, the first drain and the second drain being disposed on a same side and the first drain and the second drain being spaced apart, a distance between the first drain and the window being greater than a distance between the second drain and the window.

3. The water seal structure according to claim 2, wherein the water supply and drain assembly includes a first pipe connected to the base through the first drain port, and a second pipe connected to the base through the second drain port, the first pipe and the second pipe being configured to drain water in the through-groove.

4. A water seal structure as claimed in claim 3 wherein said water supply and drain assembly includes a valve disposed on said second conduit, said valve having an open and a closed condition, said first conduit draining water when said valve is in the closed condition; when the valve is in an open state, the second pipeline and the first pipeline are used for draining water simultaneously.

5. The water seal structure of claim 4, wherein the water supply and drain assembly further comprises a three-way connector having a main line interface and a branch line interface, the main line interface being connected to the first line, the branch line interface being connected to the second line, the three-way connector being configured to communicate the first line with the second line.

6. The water seal structure of claim 4, wherein the water supply and drainage assembly further comprises at least two elbows, one ends of the two elbows are respectively connected with the first water drainage port and the second water drainage port, the other ends of the two elbows are respectively connected with the first pipeline and the second pipeline, and the bending direction of the elbows is that the elbows are vertically bent downwards from the horizontal extension of the first water drainage port.

7. A water seal structure as claimed in claim 3 wherein said water supply and drain assembly includes a water inlet tube which is disposed through said base outside said window and which communicates with said through slot for supplying water into said through slot.

8. The water seal structure of claim 7, wherein the water supply and drainage assembly further comprises a locking sleeve and a fixing piece, the locking sleeve is connected with the base, one end of the fixing piece is clamped with the locking sleeve, the other end of the fixing piece sleeve is sleeved on the water inlet pipe, the fixing piece is connected with the base through the locking sleeve, and the water inlet pipe is fixedly connected with the base through the locking sleeve and the fixing piece.

9. The water seal of claim 1 wherein the cap assembly includes a handle disposed on the cap assembly, the handle to provide a grip for taking the cap assembly.

10. The water seal of claim 1 wherein the top cover assembly is made of a transparent AS plastic material.