CN212928774U

CN212928774U - Sealing device and sealing structure thereof

Info

Publication number: CN212928774U
Application number: CN202021524077.6U
Authority: CN
Inventors: 陈文展; 吴刚
Original assignee: Shenzhen Envicool Technology Co Ltd
Current assignee: Shenzhen Envicool Technology Co Ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-09
Anticipated expiration: 2030-07-27

Abstract

The utility model provides a sealing device, including first work piece, second work piece and centre gripping in first work piece with seal structure between the second work piece, seal structure includes the sealing layer, the sealing layer includes first surface and the second surface towards first work piece and second work piece respectively, first surface perhaps the second is provided with the glue film on the surface, the thickness of glue film is less than the thickness of sealing layer, the utility model discloses the glue film of seal structure forms the effect of protection film on the sealing layer, reduce and the work piece between the friction, not only the work piece can smoothly move on the glue film, avoids the work piece to remove moreover and causes the sealing layer wearing and tearing and influence sealed effect, can provide permanent sealed between two work pieces, especially two work pieces of relative motion.

Description

Sealing device and sealing structure thereof

Technical Field

The utility model relates to a sealed technical field especially relates to a seal structure and applied this seal structure's sealing device.

Background

Under the background of big data, the number of data centers is rapidly increased, and a precise, efficient and energy-saving machine room air conditioner becomes the first choice for heat dissipation of the data centers. The phenomenon that the refrigerating effect is poor appears in the computer lab air conditioner in the application, sometimes not the technical fault of air conditioning equipment itself, but air conditioning equipment's sealed position produces the problem, perhaps does not accomplish to satisfy equipment operation demand the sealed of environment, leads to the energy consumption of computer lab air conditioner high, does not accord with energy-concerving and environment-protective development demand.

At present, the sealing of the air conditioner in the machine room mostly adopts sealing materials with independent bubble structures, and the air conditioner has the advantages of small density, good resilience, easy compression and the like, and can play a good role in sealing and heat preservation. However, the sealing material with the independent bubble structure has a very large surface friction coefficient, is soft and has no wear resistance, so when the sealing material is applied between two workpieces which move relative to each other, the friction force generated when the workpieces move is very large and is difficult to move smoothly, and the sealing material with the independent bubble structure is easy to wear, so that the ideal sealing effect is difficult to maintain for a long time.

SUMMERY OF THE UTILITY MODEL

In view of the above, a smooth and wear-resistant sealing structure and a sealing device using the same are provided.

The utility model provides a sealing structure for it is sealed between two work pieces, sealing structure includes the sealing layer, a serial communication port, the sealing layer includes first surface and the second surface towards two work pieces respectively, first surface perhaps be provided with the glue film on the second surface, the thickness of glue film is less than the thickness of sealing layer.

Further, the thickness of the glue layer is less than or equal to 0.1 mm.

Further, the surface area of the glue layer is larger than that of the sealing layer, and the part of the glue layer extends out of the peripheral side edge of the surface of the sealing layer and is used for being fixedly connected with a workpiece so as to fix the sealing layer on the surface of the workpiece.

Further, the surface of one side, facing the sealing layer, of the adhesive layer is provided with a back adhesive.

Further, the sealing layer is PU foam cotton, PE foam cotton or EPDM foam cotton; the glue layer is a Teflon coating cloth and is bonded on the sealing layer.

Further, the sealing layer has a grid-like pore structure.

The utility model also provides a sealing device, including first work piece, second work piece and centre gripping in first work piece with above-mentioned seal structure between the second work piece.

Further, the second surface of the sealing layer faces the first workpiece, the glue layer is formed on the first surface of the sealing layer and faces the second workpiece, and the second workpiece is movably arranged on the first workpiece and can move along the surface of the glue layer.

Further, the adhesive layer wraps the sealing layer and is fixedly bonded with the first workpiece, so that the sealing layer is fixed on the surface of the first workpiece.

Furthermore, the number of the sealing structures is two, one sealing structure is fixed on the first workpiece, the other sealing structure is fixed on the second workpiece, and glue layers of the two sealing structures are mutually abutted.

Compared with the prior art, the utility model discloses set up the glue film on having the sealing layer, the glue film forms the effect of protection film on the sealing layer, reduce with the work piece between the friction, not only the work piece can smoothly move on the glue film, avoid the work piece to remove moreover and cause the sealing layer wearing and tearing and influence sealed effect, can provide permanent sealed between the work piece, especially relative motion's work piece.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the sealing structure of the present invention.

Fig. 2 is a schematic view showing the assembly of a sealing apparatus using the sealing structure shown in fig. 1.

Fig. 3 is a side view of the sealing device of fig. 2 after assembly.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. One or more embodiments of the present invention are illustrated in the accompanying drawings to provide a more accurate and thorough understanding of the disclosed embodiments. It should be understood, however, that the present invention may be embodied in many different forms and is not limited to the embodiments described below.

As shown in fig. 1, the sealing structure 10 of the present invention is a double-layer structure, and includes a sealing layer 12 and a glue layer 14 adhered to the sealing layer 12. The sealing layer 12 is preferably made of a material with a cellular pore structure, and may be a foam material such as PU foam, PE foam, EPDM foam, etc., and the foam has an independent cellular structure, so that the resilience is better. Because the sealing layer 12 has a large number of gaps inside, the sealing layer has the characteristics of small density, good flexibility, easy rebound, easy compression and the like, and can form good sealing, heat insulation, shock absorption and other effects between workpieces; the adhesive layer 14 is preferably made of a coating cloth back adhesive such as Polytetrafluoroethylene (PTFE) or other high polymer materials with the same performance, and has the characteristics of high strength, high flexibility, low friction coefficient, self-lubrication and the like, and also has the characteristics of acid and alkali resistance, fire resistance, flame retardance, high and low temperature resistance, high and low humidity environment use resistance and the like.

The sealing layer 12 has a relatively large thickness as a main body of the sealing structure 10, and when applied to sealing between two works, the two works sandwich both sides of the sealing layer 12 in the thickness direction, respectively, and the sealing layer 12 is pressed and crushed by the works. In this embodiment, the sealing layer 12 has a first surface 16 and a second surface 18 opposite to each other in the thickness direction, wherein the adhesive layer 14 covers the first surface 16. To reduce the space occupied by the bondline 14 and to ensure the effectiveness of the seal between the workpieces, the bondline 14 has a thickness that is much less than the thickness of the sealing layer 12, typically not more than 0.1mm, and is almost negligible with respect to the overall thickness of the sealing structure 10. Preferably, the surface area of the adhesive layer 14 is greater than the surface area of the sealing layer 12, the adhesive layer 14 completely covers the first surface 16 of the sealing layer 12, and the outer edge of the adhesive layer 14 extends beyond the peripheral edge of the first surface 16 for adhesive attachment to the workpiece, so that the first surface 16 and the second surface 18 of the sealing layer 12 may not be adhesive backed.

Referring to fig. 2, the sealing structure 10 of the present invention is disposed between two workpieces, hereinafter referred to as a first workpiece 20 and a second workpiece 22, to form a sealing device. In this embodiment, two workpieces that can move relative to each other will be described as an example. The first workpiece 20 is stationary and the second workpiece 22 is movable relative to the first workpiece 20 in the orientation shown in FIG. 2. The second surface 18 of the sealing layer 12 faces the mounting face of the fixed workpiece, i.e. the first workpiece 20; the glue layer 14 is directed towards the mounting side of the movable workpiece, i.e. the second workpiece 22. The sealing layer 12 is clamped between the mounting surfaces of the first and

second workpieces

20, 22 to provide a sealing effect. The sealing structure 10 may be pre-bonded to the mounting surface of the first workpiece 20 by its adhesive layer 14 prior to assembly of the second workpiece 22 with the first workpiece 20, facilitating subsequent assembly.

Referring also to FIG. 3, the sealing layer 12 is collapsed to form a seal when the second workpiece 22 is assembled to the first workpiece 20. Because the glue layer 14 is a high polymer material adhesive tape with high strength, high flexibility, low friction coefficient and self-lubricating effect, the friction of the second workpiece 22 on the surface of the glue layer 14 is small, and therefore smooth movement can be realized no matter the position of the second workpiece 22 needs to be moved and adjusted in the assembling process or the position of the second workpiece 22 needs to be moved after the assembling process. In addition, the glue layer 14 protects the sealing layer 12 from damage by the moving second workpiece 22, so that the sealing layer 12 is able to provide a good seal between the first and

second workpieces

20, 22 for a long time. It should be understood that the sealing structure 10 of the present invention may also be applied between two relatively stationary workpieces, and may also provide good sealing effect. In addition, the sealing structures 10 may be provided on both the

workpieces

10, 20 at the same time, and the adhesive layers 14 of the two sealing structures 10 may be disposed to face each other at this time, thereby further reducing friction between the two

workpieces

10, 20.

The utility model discloses seal structure 10 sets up macromolecular material's glue film 14 on sealing layer 12, and glue film 14 forms the effect of protection film on sealing layer 12, reduces the friction between seal structure 10 and the work piece, and not only second work piece 22 can smoothly remove, avoids sealing layer 12 wearing and tearing and influence sealed effect moreover, consequently the utility model discloses synthesize sealing layer 12 and glue film 14's characteristics, can provide permanent sealing between the work piece, especially relative motion's first,

second work piece

20, 22. In addition, the adhesive layer 14 extends out of the first surface 16 of the sealing layer 12 to be adhered to the first workpiece 20, the

surfaces

16 and 18 of the sealing layer 12 do not need to be coated with adhesive, the process is simplified, and more importantly, if the sealing structure 10 is stuck incorrectly or needs to be replaced, the adhesive layer 14 can be directly torn off, the cleaning of the surfaces of the workpieces is not affected, the structure of the sealing layer 12 is not damaged, and therefore the sealing layer 12 can be stuck with the adhesive layer 14 for reuse. Of course, in other embodiments, the

surfaces

16, 18 of the sealing layer 12 may also be adhesive backed.

When the sealing structure 10 of the present invention is used in a high temperature or low temperature airflow environment, such as when applied to sealing a machine room air conditioning system, the high temperature resistance of the adhesive layer 14 is better, the fireproof and flame retardant properties are better, the sealing layer 12 is protected, the surface of the sealing layer 12 is effectively prevented from being corroded, damaged and peeled off, and the sealing durability and effectiveness are ensured; meanwhile, the adhesive layer 14 has a good application effect in a high-humidity environment, and can protect the sealing layer 12 from moisture. Therefore, the utility model discloses when seal structure 10 was applied to the computer lab, can reduce the frequency that seal structure 10 was changed to the computer lab to can reduce the cost of later maintenance.

The utility model discloses an in a concrete application, seal structure 10 is used for the sealed between each module of computer lab air conditioner, and two modules that need to seal are first work piece 20 and second work piece 22 promptly. When the air conditioner is assembled on site, holes need to be aligned between the modules, the glue layer 14 enables the modules to move smoothly, the difficulty of aligning the holes between the modules is reduced, and meanwhile, the sealing effect between the modules is protected.

In another particular application of the present invention, the sealing structure 10 is used for sealing an air conditioning damper. Because the blast gate is bulky, the quality is great, need reserve big space usually and be convenient for later maintenance, but this can make sealed effect worsen like this. Adopt the utility model discloses seal structure 10 has solved the blast gate well and need install the maintenance problem easily promptly, need not reserve too much maintenance space again, so guaranteed the sealed effect in the blast gate application simultaneously again.

In a word, the utility model discloses seal structure 10 adds glue film 14 on sealing layer 12, forms the protection to sealing layer 12, and sealing between the work piece of specially adapted relative motion not only is sealed effectual, long service life, later stage change maintain the convenience, but also has improved performances such as fire prevention, dampproofing, high temperature and low temperature resistant, can use in more abominable environment. It should be noted that the present invention is not limited to the above embodiments, and other changes can be made by those skilled in the art according to the spirit of the present invention, and all the changes made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. A sealing structure for sealing between two workpieces, the sealing structure comprising a sealing layer, wherein the sealing layer comprises a first surface and a second surface facing the two workpieces, respectively, and a glue layer is disposed on the first surface or the second surface, the glue layer having a thickness less than the thickness of the sealing layer.

2. The sealing structure of claim 1, wherein the glue layer has a thickness of less than or equal to 0.1 mm.

3. A sealing arrangement according to claim 1 or 2, wherein the surface area of the glue layer is greater than the surface area of the sealing layer, the glue layer projecting partially beyond the peripheral side edge of the surface of the sealing layer for fixed connection with a workpiece to secure the sealing layer to the workpiece surface.

4. A sealing arrangement according to claim 3, wherein a surface of the glue layer facing the sealing layer is provided with a backing glue.

5. The seal structure of claim 1, wherein the sealing layer is PU foam, PE foam, or EPDM foam; the glue layer is a Teflon coating cloth and is bonded on the sealing layer.

6. The sealing structure of claim 1, wherein said sealing layer has a cellular pore structure.

7. A sealing device comprising a first workpiece, a second workpiece, and a sealing structure sandwiched between the first workpiece and the second workpiece, wherein the sealing structure is the sealing structure of any one of claims 1 to 6.

8. The sealing device of claim 7, wherein the second surface of the sealing layer faces the first workpiece, the glue layer is formed on the first surface of the sealing layer and faces the second workpiece, and the second workpiece is movably disposed on the first workpiece and movable along the surface of the glue layer.

9. The sealing device of claim 8, wherein the adhesive layer covers the sealant layer and is adhesively secured to the first workpiece to secure the sealant layer to the first workpiece surface.

10. The sealing device of claim 7, wherein there are two of said sealing structures, one of said sealing structures being secured to said first workpiece and the other of said sealing structures being secured to said second workpiece, the glue layers of both of said sealing structures abutting each other.