Negative pressure sealing device

Abstract

The utility model discloses a negative pressure sealing device which comprises a sealing box and a filtering box. The filter box is arranged in the sealing box, and the sealing box can support and seal the filter box; the sealing box comprises an overturning sealing assembly arranged in the sealing box, and the overturning sealing assembly can conduct limiting sealing on the filtering box. The air purifier has the advantages that the filter box is placed in the sealing box, the filter box can be supported and limited through the supporting and limiting assembly, and upper air inlet and lower air outlet or lower air inlet and upper air outlet can be achieved through the first air opening and the second air opening; the peripheral side face of the upper end of the filter box can be sealed through the overturning sealing assembly and the second sealing piece, the second air opening can be sealed through the third sealing piece, the filter box can enter and exit through the door lock mechanism, meanwhile, overall sealing can be achieved through closing of the door lock mechanism, and the whole negative pressure sealing device is a negative pressure sealing unit. And the phenomenon that paint slag and gas overflow is thoroughly overcome, and the using effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of filter box sealing, in particular to a negative pressure sealing device. Background Art

[0002] The existing filter box installation basically adopts a dispersed and partially sealed method with a cumbersome structure; with the use time, air leakage and other phenomena continue to occur, and it is not easy to seal well; the sealing strength is not enough when the door is closed, and the air leakage is serious; the installation unit is cumbersome to make and requires high processing accuracy. Because compressed air is used as the power, the installation is time-consuming and labor-intensive, and only the wind inlet and upper outlet method can be used. For this reason, the inventor designed a negative pressure sealing device. Summary of the invention

[0003] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and invention title of this application to avoid blurring the purpose of this section, specification abstract and invention title, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the above problems or problems existing in the prior art, the present utility model is proposed.

[0005] Therefore, the purpose of the present invention is to provide a negative pressure sealing device, which can support the filter box and simultaneously perform negative pressure integrated sealing on the filter box to avoid air leakage.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a negative pressure sealing device, which includes a sealing box and a filter box; the filter box is arranged inside the sealing box, and the sealing box can support and seal the filter box;

[0007] The sealing box includes a flip sealing component arranged inside the sealing box, and the flip sealing component can limit the sealing of the filter box.

[0008] As a preferred solution of the negative pressure sealing device of the utility model, a support and limit assembly is also arranged in the sealing box, and the support and limit assembly can support and limit the filter box.

[0009] As a preferred solution of the negative pressure sealing device of the utility model, the sealing box and the filter box are provided with a first air outlet and a second air outlet at the upper end and the side end, and the first air outlet and the second air outlet can respectively inlet and outlet air.

[0010] As a preferred solution of the negative pressure sealing device of the utility model, wherein: the flip sealing assembly includes a flip plate, a flip connector, and a first sealing member;

[0011] The flip connector is connected to the sealing box and the flip plate respectively. The first sealing member is arranged on the flip plate. The first sealing member can seal the filter box. The flip plate can be flipped through the flip connector.

[0012] As a preferred solution of the negative pressure sealing device of the utility model, it also includes a second sealing member, which is arranged inside the sealing box and on the side of the flip sealing component. The second sealing member can seal the filter box.

[0013] As a preferred solution of the negative pressure sealing device of the utility model, wherein: the support and limit assembly includes a support bottom plate and a rolling element;

[0014] The support bottom plate is arranged in the sealing box and at the bottom. Two groups of support bottom plates are symmetrically arranged. At least one group of rolling elements is arranged on the support bottom plate. A guide element is arranged at the front end of the support bottom plate. The rolling elements can slide the filter box.

[0015] As a preferred solution of the negative pressure sealing device of the utility model, wherein: a rolling limiter is arranged on the rolling member, and the rolling limiter can limit the filter box.

[0016] As a preferred solution of the negative pressure sealing device of the utility model, a third sealing member is further provided in the sealing box, and the third sealing member can seal the second air outlet on the filter box.

[0017] As a preferred solution of the negative pressure sealing device of the utility model, a universal roller is arranged at the bottom of the filter box.

[0018] As a preferred solution of the negative pressure sealing device of the utility model, a door lock mechanism is also arranged on the sealing box, and the door lock mechanism can be used for the filter box to enter, exit and seal.

[0019] The beneficial effects of the utility model are as follows: the utility model places the filter box in a sealed box, supports and limits the filter box through a support and limit assembly, realizes upper air inlet and lower air outlet or lower air inlet and upper air outlet through the first air outlet and the second air outlet, seals the upper side surface of the filter box through a flipping sealing assembly and a second sealing member, seals the second air outlet through a third sealing member, and realizes entry and exit of the filter box through a door lock mechanism, while overall sealing can be achieved by closing the door lock mechanism; the entire negative pressure sealing device is a negative pressure sealing unit, which completely overcomes the phenomenon of paint residue and gas overflow, and has a better use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0021] Figure 1 It is a three-dimensional schematic diagram of a negative pressure sealing device.

[0022] Figure 2 It is the rear view of the negative pressure sealing device.

[0023] Figure 3 Schematic diagram of the flip seal assembly of the negative pressure sealing device.

[0024] Figure 4 This is a schematic diagram of the interior of the negative pressure sealing device.

[0025] Figure 5 for Figure 4 Enlarged view of F1 of the medium negative pressure sealing device.

[0026] Figure 6 It is a three-dimensional cutaway schematic diagram of a negative pressure sealing device.

[0027] Figure 7 for Figure 6 Enlarged view of F2 of the medium negative pressure sealing device.

[0028] Figure 8 for Figure 6 Enlarged view of F4 of the medium negative pressure sealing device.

[0029] Fig. 9 for Figure 6 Enlarged view of F3 of the medium negative pressure sealing device. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0032] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0033] Example 1

[0034] Reference Figures 1 to 4 , which is the first embodiment of the utility model, and this embodiment provides a negative pressure sealing device, which includes a sealing box 1 and a filter box 2; the filter box 2 is arranged inside the sealing box 1, and the sealing box 1 can support and seal the filter box 2;

[0035] The sealing box 1 includes a flip sealing component 11 disposed inside the sealing box 1 , and the flip sealing component 11 can limit and seal the filter box 2 .

[0036] Preferably, the filter box 2 refers to a single unit with a flow rate of 5000m 3 \The filter paper box with a capacity of more than 150 kg of paint residue and a working time of more than 1 hour is referred to as the large paper box.

[0037] Preferably, by placing the filter box 2 into the negative pressure sealing box 1, the leakage of paint residue and gas is improved and the sealing effect is significantly improved.

[0038] Preferably, the filter box 2 can be flipped and sealed by flipping the sealing assembly 11, and the filter box 2 can be supported and sealed by placing the filter box 2 in the sealing box 1, thereby avoiding air leakage.

[0039] In summary, the utility model arranges the filter box 2 in the sealing box 1, and can seal the filter box 2 by flipping the sealing assembly 11, thereby avoiding air leakage, and is easy to install, thereby improving the efficiency of filtering paint mist.

[0040] Example 2

[0041] Reference Figures 1 to 9 , which is the second embodiment of the utility model. In the previous embodiment, the negative pressure sealing device includes a sealing box 1 and a filter box 2; the filter box 2 is arranged inside the sealing box 1, and the sealing box 1 can support and seal the filter box 2;

[0042] The sealing box 1 includes a flip sealing component 11 disposed inside the sealing box 1 , and the flip sealing component 11 can limit and seal the filter box 2 .

[0043] Preferably, the filter box 2 can be flipped and sealed by flipping the sealing assembly 11, and the filter box 2 can be supported and sealed by placing the filter box 2 in the sealing box 1, thereby avoiding air leakage.

[0044] Furthermore, the sealing box 1 and the filter box 2 are both provided with a first air outlet 3 and a second air outlet 4 at the upper end and the side end, and the first air outlet 3 and the second air outlet 4 can respectively inlet and outlet air.

[0045] Preferably, the first air outlet 3 and the second air outlet 4 can both take in air or discharge air respectively, so as to realize upper air intake and lower air discharge, or lower air intake and upper air discharge.

[0046] Furthermore, the flip seal assembly 11 includes a flip plate 111, a flip connector 112, and a first seal 113;

[0047] The flip connector 112 is connected to the sealing box 1 and the flip plate 111 respectively. The first seal 113 is arranged on the flip plate 111. The first seal 113 can seal the filter box 2. The flip plate 111 can be flipped through the flip connector 112.

[0048] Preferably, the flip plate 111 and the first seal 113 can be flipped around the flip connector 112 to seal the outer side of the upper end of the filter box 2, and the flip seal assembly 11 can be set in groups and arranged around the upper end of the filter box 2, or three groups can be set. The flip seal assembly 11 does not need to be set on the side corresponding to the door lock mechanism 7. A group of second seals 13 is set to seal the outer side of the upper end of the sealing box 1 together with the other three groups of flip seal assemblies 11, and only the first air outlet 3 and the second air outlet 4 need to leak out.

[0049] Preferably, the flip plate 111 itself can be a sealing device, which can directly seal the filter box 2.

[0050] Preferably, the entire negative pressure sealing device is a negative pressure sealing unit, which completely overcomes the problem of paint residue and gas overflow, and has a better use effect.

[0051] Preferably, the flip plate 111 and the first seal 113 can be flipped by negative pressure to tightly seal the filter box 2; of course, the flipping technical solution in the prior art can also be adopted, as long as the flip plate 111 and the first seal 113 can be rotated and flipped along the pin shaft on the flip connector 112.

[0052] Preferably, the device will seal the filter box 2 more and more tightly under the action of negative pressure, thereby ensuring that no air leakage occurs.

[0053] Furthermore, it also includes a second sealing member 13 , which is arranged inside the sealing box 1 and on the side of the flip sealing assembly 11 . The second sealing member 13 can seal the filter box 2 .

[0054] Preferably, the second sealing member 13 can cooperate with the flip sealing assembly 11 so that the filter box 2 is sealed all around.

[0055] Furthermore, a support and limit assembly 12 is provided in the sealing box 1 , and the support and limit assembly 12 can support and limit the filter box 2 .

[0056] Furthermore, the support and limit assembly 12 includes a support base plate 121 and a rolling element 122;

[0057] The support bottom plate 121 is arranged in the sealing box 1 and is located at the bottom. Two groups of support bottom plates 121 are symmetrically arranged. At least one group of rolling members 122 is arranged on the support bottom plate 121. A guide member 123 is arranged at the front end of the support bottom plate 121, and the rolling member 122 can allow the filter box 2 to slide.

[0058] Preferably, the plurality of rolling elements 122 can rotate on the supporting base plate 121 .

[0059] Preferably, the guide member 123 is a guide break and a guide guardrail, and the filter box 2 can be quickly moved to the support base plate 121 through the guide member 123, and the filter box 2 can be moved to the corresponding first air outlet 3 and second air outlet 4 through the multiple groups of rolling members 122 on the support base plate 121.

[0060] Furthermore, a rolling limiter 124 is provided on the rolling member 122 , and the rolling limiter 124 can limit the filter box 2 .

[0061] Preferably, the rolling member 122 is connected to the rolling limit member 124, and the rolling limit member 124 rotates accordingly when the rolling member 122 rolls. The rolling limit member 124 is arranged at the outer edge of the rolling member 122 to prevent the filter box 2 from detaching from the rolling member 122, thereby ensuring that it can accurately reach the corresponding position.

[0062] Furthermore, a third sealing member 5 is provided in the sealing box 1 , and the third sealing member 5 can seal the second air outlet 4 on the filter box 2 .

[0063] Preferably, the second air vent 4 on the sealing box 1 protrudes obliquely downward inward, and when the filter box 2 reaches a specific position, the second air vent 4 on the sealing box 1 will be stuck into the second air vent 4 on the filter box 2, and the second air vent 4 can be sealed by the third sealing member 5 to prevent air leakage.

[0064] Furthermore, a universal roller 6 is provided at the bottom of the filter box 2 .

[0065] It should be noted that the structure and appearance of the device can be changed as required.

[0066] Preferably, the sealing member of the device can be an elastic sealing device, a static sealing device, a contact sealing device, or any sealing method in the prior art, such as a sealing strip seal, a rubber seal, or a gasket seal.

[0067] Preferably, the filter box 2 can be moved by providing a plurality of sets of universal rollers 6 , and the filter box 2 can be lifted up by providing a supporting bottom plate 121 , so that the universal rollers 6 are separated from the bottom of the sealing box 1 .

[0068] Furthermore, the sealing box 1 is also provided with a door lock mechanism 7, which allows the filter box 2 to enter, exit and seal.

[0069] Preferably, the door lock mechanism 7 is opened to allow the filter box 2 to enter and exit, and the door lock mechanism 7 is closed to form a seal inside, and under the action of negative pressure, the seal will become tighter and tighter.

[0070] In summary, the structure of the device is more reasonable, the processing and installation are more convenient, and the appearance is beautiful; a sealed negative pressure unit is formed inside the device, which overcomes the phenomenon of paint residue and gas overflow, and the use effect is better; by arranging the flip sealing assembly 11, the second seal 13, and the third seal 5 inside the sealing box 1, the risk of leakage is avoided, and the inside of the sealing box 1 can adapt to various types of filter boxes 2, and can be compatible with a variety of air intake methods, a variety of external structures and volumes, and a variety of large filter paper boxes with outlet sizes, thereby increasing versatility.

[0071] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0072] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0073] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0074] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A negative pressure sealing device, characterized in that: It comprises a sealing box (1) and a filter box (2); the filter box (2) is arranged inside the sealing box (1), and the sealing box (1) can support and seal the filter box (2); The sealing box (1) comprises a flip sealing component (11) arranged inside the sealing box (1), and the flip sealing component (11) can limit the position and seal the filter box (2); The sealing box (1) and the filter box (2) are both provided with a first air outlet (3) and a second air outlet (4) at the upper end and the side end, and the first air outlet (3) and the second air outlet (4) can respectively inlet and outlet air; The flip seal assembly (11) comprises a flip plate (111), a flip connector (112), and a first seal (113); The flip connection piece (112) is connected to the sealing box (1) and the flip plate (111) respectively; the first sealing piece (113) is arranged on the flip plate (111); the first sealing piece (113) can seal the filter box (2); and the flip plate (111) can be flipped through the flip connection piece (112); It also includes a second sealing member (13), which is arranged inside the sealing box (1) and on the side of the flip sealing assembly (11), and the second sealing member (13) can seal the filter box (2); A third sealing member (5) is also provided in the sealing box (1), and the third sealing member (5) can seal the second air outlet (4) on the filter box (2).

2. The negative pressure sealing device according to claim 1, characterized in that: A support and position limiting component (12) is also provided in the sealing box (1), and the support and position limiting component (12) can support and position the filter box (2).

3. The negative pressure sealing device according to claim 2, characterized in that: The support and limiting assembly (12) comprises a support base plate (121) and a rolling element (122); The support bottom plate (121) is arranged in the sealing box (1) and is located at the bottom. Two groups of the support bottom plates (121) are symmetrically arranged. At least one group of rolling elements (122) is arranged on the support bottom plate (121). A guide element (123) is arranged at the front end of the support bottom plate (121). The rolling elements (122) can allow the filter box (2) to slide.

4. The negative pressure sealing device according to claim 3, characterized in that: The rolling member (122) is provided with a rolling limiter (124), and the rolling limiter (124) can limit the position of the filter box (2).

5. The negative pressure sealing device according to claim 1, characterized in that: A universal roller (6) is provided at the bottom of the filter box (2).

6. The negative pressure sealing device according to claim 1, characterized in that: The sealing box (1) is also provided with a door lock mechanism (7), and the door lock mechanism (7) allows the filter box (2) to enter and exit and to be sealed.

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