CN210344738U

CN210344738U - Portable viewing port

Info

Publication number: CN210344738U
Application number: CN201921370421.8U
Authority: CN
Inventors: 邵冠宁; 米春明
Original assignee: Navigat (shanghai) Screening Technology Co Ltd
Current assignee: Navigat (shanghai) Screening Technology Co Ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-04-17
Anticipated expiration: 2029-08-22

Abstract

The utility model provides a portable viewing aperture, including fast-assembling flange, clamp, sealing washer and transparent plate, the fast-assembling flange is including welding the ring and locating the ring flange that welds ring one end, and sealing washer and transparent plate stack on the ring flange in proper order by supreme down, and the clamp includes two snap rings that can open and shut, is equipped with the draw-in groove along circumference on the interior anchor ring of snap ring, and the snap ring clamp is in on the circumference edge of sealing washer, transparent plate and ring flange and make the edge of sealing washer, transparent plate and ring flange inlay in the draw-in groove. Adopt above structure the utility model discloses, have easily loading and unloading, be convenient for observe and the good advantage of leakproofness.

Description

Portable viewing port

Technical Field

The utility model belongs to the powder trade especially relates to a portable viewing aperture.

Background

The viewing port is typically used to view the operating conditions inside the machine. At present, the common observation ports in the powder industry have the following two modes, one mode is to open a hole on a shell and then plug a silica gel cover; another way is to mount a transparent plate over the opening for viewing. Which have the following disadvantages: in the former, the silica gel cover is not transparent, so that the internal condition of the machine cannot be observed during working, and the use is inconvenient; the latter has poor sealing performance and is easy to leak gas and powder.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an easy loading and unloading, be convenient for observe and the portable viewing aperture that the leakproofness is good to solve the not enough that prior art exists.

The utility model discloses a this technical problem is solved to following mode: a portable viewing port which is characterized in that: including fast-assembling flange, clamp, sealing washer and transparent plate, the fast-assembling flange is including welding the ring and locating the ring flange of welding ring one end, sealing washer and transparent plate stack in proper order by supreme down on the ring flange, the clamp includes two snap rings that can open and shut, be equipped with the draw-in groove along circumference on the interior anchor ring of snap ring, the snap ring clamp is in on the circumference edge of sealing washer, transparent plate and ring flange and make the edge of sealing washer, transparent plate and ring flange inlay in the draw-in groove.

During the use, will weld the ring welding on the trompil of casing, stack sealing washer and transparent plate in proper order on the ring flange and tighten up through the clamp, accomplished the installation of viewing aperture promptly, the user can be convenient look over the built-in condition through the transparent plate, during the dismantlement, take down the clamp, tak away sealing washer and transparent plate, can accomplish the dismantlement, convenient to use is swift. Through the clamping action of the clamp, the sealing ring can be in close contact with the flange plate and the transparent plate, so that a good sealing effect can be obtained.

So to sum up, the utility model has the advantages of easily loading and unloading, be convenient for observe and the leakproofness is good.

The utility model discloses an in the preferred embodiment, two snap rings all are semi-circular, and its one end is articulated, and the other end is equipped with two lugs of outside extension respectively, the lug is in when the snap ring closes, fixed by locking mechanism to it is fixed to have realized the locking of clamp.

The utility model discloses an in the preferred embodiment, locking mechanism includes the screw rod, locates the articulated joint of screw rod one end and locating the nut is twisted to the hand on the screw rod, is equipped with the breach that link up each other on the outer terminal surface of two lugs, the articulated joint is fixed in one of them breach, the screw rod can with the articulated joint is in another breach of fulcrum screw in. During installation, the screw is screwed into the notch, and the clamp can be locked by screwing the nut. When the clamp is disassembled, the nut is unscrewed, and the clamp ring can be taken down after the clamp ring is opened. The disassembly and the assembly are very convenient.

The utility model discloses an among the preferred embodiment, on the upper surface of ring flange with be equipped with the annular groove on the lower surface of transparent plate respectively, the sealing washer about both sides be equipped with respectively on the surface the gomphosis in the bulge loop in the annular groove, bulge loop and annular groove are by the centre gripping between the upper and lower terminal surface of draw-in groove, and the clamping-force through the clamp makes bulge loop and annular groove closely cooperate, has obtained good sealed effect.

In a further improvement of the present invention, the cross-section of the groove is a trapezoidal concave surface narrowing gradually from the opening to the bottom surface, the upper edge of the transparent plate and the lower edge of the flange plate respectively match with the inner wall of the groove. By adopting the structure, the clamping groove is matched with the transparent plate and the quick-mounting flange through the inclined contact surface, and the micro sliding can be automatically carried out to compensate the gap between the contact surfaces, so that the sealing effect is further improved.

More than synthesizing, the utility model has the advantages of the dismouting is swift, be convenient for observe, the leakproofness is good, has solved the not enough that current means exists.

Drawings

The present invention will be further explained with reference to the following drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the AA plane of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a side view of the present invention;

FIG. 5 is a schematic view of a seal ring;

wherein: 100-quick-assembly flange, 101-welding ring, 102-flange plate, 200-clamp, 201-clamp ring, 202-locking mechanism, 203-lug, 204-notch, 205-screw rod, 206-hinge joint, 207-hand nut, 208-clamp groove, 300-sealing ring, 301-convex ring, 400-transparent plate and 401-annular groove.

Detailed Description

The invention is further illustrated below by means of specific examples:

as shown in fig. 1 and 2, the portable viewing port comprises a quick-mounting flange 100, a clamping hoop 200, a sealing ring 300 and a transparent plate 400.

The quick-mounting flange 100 includes a weld ring 101 and a flange plate 102 extending radially outward from an upper opening edge of the weld ring 101.

As shown in fig. 1, 3 and 4, the clip 200 includes two snap rings 201 and a locking mechanism 202. The two snap rings 201 are semicircular, one ends of the two snap rings are hinged with each other, the other ends of the two snap rings are provided with lugs 203 extending outwards, the lugs 203 can be fixed by the locking mechanisms 202 when the snap rings 201 are closed, and the outer end faces of the lugs 203 are provided with notches 204 which are communicated with each other. The locking mechanism 202 includes a screw 205, a joint 206 disposed at one end of the screw 205, and a hand nut 207 sleeved on the screw 205. The hinge 206 is pivotally connected within one of the notches 204. When the fixing device is installed, the snap ring 201 is closed, the screw rod 205 is rotated to penetrate through the notch 204 on the other lug 203, and the nut is screwed down, so that the fixing effect can be achieved. When the clamp is disassembled, the nut is loosened, the screw rod 205 is taken away, and the clamp ring 201 can be opened to take down the clamp 200.

As shown in fig. 2 and 3, a clamping groove 208 is circumferentially arranged on an inner circumferential surface of the snap ring 201, and outer contours of the transparent plate 400, the sealing ring 300 and the flange plate 102 are all adapted to the clamping groove 208. The sealing ring 300 and the transparent plate 400 are sequentially stacked on the flange plate 102 from bottom to top, and the circumferential edges of the sealing ring 300 and the transparent plate are embedded in the clamping groove 208.

As shown in fig. 2 and 5, the upper surface of the flange plate 102 and the lower surface of the transparent plate 400 are provided with annular grooves 401, the upper and lower surfaces of the sealing ring 300 are provided with protruding rings 301 embedded in the annular grooves 401, the protruding rings 301 and the annular grooves 401 are clamped between the upper and lower end surfaces of the clamping grooves 208, the protruding rings 301 and the annular grooves 401 are tightly matched by the clamping force of the clamp 200, and a good sealing effect is obtained.

The cross section of the clamping groove 208 is a trapezoidal concave surface which gradually narrows from the opening to the bottom surface, and the upper edge of the transparent plate 400 and the lower edge of the flange plate 102 are matched with the inner wall of the clamping groove 208. By adopting the structure, the clamping groove 208 is matched with the transparent plate 400 and the quick-mounting flange 100 through inclined contact surfaces, and micro sliding can automatically occur to compensate gaps between the contact surfaces, so that the sealing effect is further improved.

During the use, weld ring 101 with fast-assembling flange 100 on the casing trompil, place sealing washer 300 and transparent plate 400 in proper order on ring flange 102 and tighten up the three through clamp 200, the viewing aperture finishes promptly, and the user can be convenient see through the interior condition of transparent plate 400 viewer. When needing to overhaul, lift clamp 200 off, take off sealing washer 300 and transparent plate 400, can accomplish and dismantle convenient and fast.

To sum up, the utility model discloses a portable viewing aperture has easily loading and unloading, is convenient for observe and the good advantage of leakproofness, compares prior art and has had very big promotion.

However, those skilled in the art should realize that the above embodiments are only used for illustrating the present invention and not used as a limitation of the present invention, and that the changes and modifications to the above embodiments are all within the scope of the appended claims as long as they are within the true spirit of the present invention.

Claims

1. A portable viewing port which is characterized in that: including fast-assembling flange (100), clamp (200), sealing washer (300) and transparent plate (400), fast-assembling flange (100) is including welding ring (101) and locating weld ring (101) ring flange (102) of one end, sealing washer (300) and transparent plate (400) from lower supreme stack in proper order on ring flange (102), clamp (200) are including two snap rings (201) that can open and shut, be equipped with draw-in groove (208) along circumference on the interior anchor ring of snap ring (201), snap ring (201) clamp is in on the circumference edge of sealing washer (300), transparent plate (400) and ring flange (102) and make the edge of sealing washer (300), transparent plate (400) and ring flange (102) inlay in draw-in groove (208).

2. The portable viewport of claim 1, wherein: two snap rings (201) all are semicircular in shape, and its one end is articulated, and the other end is equipped with two lugs (203) of outside extension respectively, lug (203) are in the cooperation is balanced when snap ring (201) closes, be equipped with locking mechanical system (202) that can be used for connecting two lugs (203) on lug (203).

3. The portable viewport of claim 2, wherein: the locking mechanism (202) comprises a screw rod (205), a hinged joint (206) arranged at one end of the screw rod (205) and a hand-screwed nut (207) arranged on the screw rod (205), two mutually-through notches (204) are respectively arranged on the outer end face of the lug (203), the hinged joint (206) is fixed in one of the notches (204), and the screw rod (205) can be screwed into the other notch (204) by taking the hinged joint (206) as a fulcrum.

4. The portable viewport of claim 1, wherein: the upper surface of the flange plate (102) and the lower surface of the transparent plate (400) are respectively provided with an annular groove (401), the surfaces of the upper side and the lower side of the sealing ring (300) are respectively provided with a convex ring (301) embedded in the annular groove (401), and the convex ring (301) and the annular groove (401) are clamped between the upper surface and the lower surface of the inner wall of the clamping groove (208).

5. The portable viewport of claim 4, wherein: the cross section of the clamping groove (208) is a trapezoidal concave surface which is gradually narrowed from the opening to the bottom surface, and the upper edge of the transparent plate (400) and the lower edge of the flange plate (102) are respectively matched with the upper surface and the lower surface of the inner wall of the clamping groove (208).