CN217874135U

CN217874135U - Safety cover for maintaining solvent recovery pressure environment

Info

Publication number: CN217874135U
Application number: CN202221433925.1U
Authority: CN
Inventors: 樊先彬
Original assignee: Shanghai Technobao Plastic Technology Co ltd
Current assignee: Shanghai Technobao Plastic Technology Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-11-22
Anticipated expiration: 2032-06-09

Abstract

The utility model provides a maintain safety lid of solvent recovery pressure environment, it includes the lid body, and the lid body cooperation has the solvent to add the mouth, carries out fixed connection through a plurality of articulated formula retaining members between the border of lid body and the border that the solvent added the mouth, and lid body and solvent add and are provided with first loop type seal ring between the mouth, are provided with the viewing aperture on the lid body. The hinge type locking part is arranged, so that the cover body and the solvent adding port can be conveniently and quickly locked, and the first annular sealing washer is matched, so that the first annular sealing washer is extruded while being locked, and the sealing connection between the cover body and the solvent adding port is realized; the observation port with the glass window is arranged, and the working condition of solvent recovery can be clearly observed through the glass window under the illumination effect of the small illumination lamp; through the design of overall structure, satisfied the leakproofness requirement of big solvent interpolation mouth, can keep the environment of solvent recovery pressure in the cavity.

Description

Safety cover for maintaining solvent recovery pressure environment

[ technical field ] A method for producing a semiconductor device

The utility model relates to a solvent recovery device technical field, in particular to maintain safety cover of solvent recovery pressure environment.

[ background of the invention ]

In the solvent recovery apparatus, the solvent is generally recovered by distillation. The solvent is a liquid with high boiling point or low boiling point, the solvent reaches the boiling point by heating, the cavity for recovering the solvent has certain pressure, in order to maintain the pressure, the existing cavity adopts a closed cavity, and then a small solvent adding port and a solvent gasification outlet are arranged in the closed cavity, wherein the sealing treatment of the small solvent adding port is simpler.

However, the small solvent adding port has a slow speed when adding the solvent, which results in low working efficiency, and if a large solvent adding port is arranged in the closed cavity, the requirement on the sealing performance of the large solvent adding port is high, so that the environment of solvent recovery pressure in the cavity can be maintained. Therefore, it is necessary to design a safety cap that meets the sealing requirements of a large solvent addition port.

[ Utility model ] content

To the problem pointed out in the background art, the utility model provides a maintain safe lid of solvent recovery pressure environment.

A safety cover for maintaining a solvent recovery pressure environment comprises a cover body, wherein the cover body is matched with a solvent adding port, the cover body is provided with an upper connecting edge, the solvent adding port is provided with a lower connecting edge, the upper connecting edge and the lower connecting edge are fixedly connected through a plurality of hinged locking pieces, each hinged locking piece comprises a U-shaped fixing piece, a loop bar is arranged between two sides of each U-shaped fixing piece, each loop bar is sleeved with a matched hinged sleeve, each hinged sleeve is fixedly connected with one end of a threaded rod, and the other end of each threaded rod is in threaded fit with a locking nut;

go up the connection border with the connection border all is provided with the draw-in groove down, the draw-in groove with the threaded rod cooperatees, the fixed setting of U type stationary blade is in the downside at connection border down, lock nut with go up connection border looks butt.

According to the utility model discloses an embodiment, the loop bar passes one side to the opposite side of U type stationary blade is locked through the nut, the last fixed connection hand wrenching ring of lock nut.

According to the utility model discloses an embodiment, the lid body with be provided with first ring type seal ring between the solvent interpolation mouth, first ring type seal ring includes round middle part, round middle part both sides all are provided with the side extension.

According to the utility model discloses an embodiment, the fixed switch cover hand (hold) that sets up in one side on the lid body, the fixed one end that sets up first switch cover hinge bar of opposite side on the lid body, the articulated one end that cooperates the second switch cover hinge bar of the other end of first switch cover hinge bar, the other end fixed connection fixed plate of second switch cover hinge bar.

According to the utility model discloses an embodiment, fixed high-pressure relief ware that sets up on the lid body.

According to the utility model discloses an embodiment, the fixed viewing aperture that sets up on the lid body, the viewing aperture includes opening and shrouding, the opening with carry out fixed connection through a plurality of bolt and nuts between the shrouding, the opening with be provided with the annular seal ring of second between the shrouding, the shrouding is provided with the glass window, be provided with the threaded connection hole on the shrouding, the threaded connection hole cooperation has the illumination lantern festival.

To sum up, the beneficial effects of the utility model are that:

1. the hinge type locking part is arranged, so that the cover body and the solvent adding port can be conveniently and quickly locked, and the first annular sealing washer is matched, so that the first annular sealing washer is extruded while being locked, and the sealing connection between the cover body and the solvent adding port is realized;

2. the observation port with the glass window is arranged, and the working condition of solvent recovery can be clearly observed through the glass window under the illumination effect of the small illumination lamp;

3. through the design of the integral structure, the sealing requirement of the large solvent adding port is met, and the environment of the solvent recovery pressure in the cavity can be maintained.

[ description of the drawings ]

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of the structure of the solvent adding port and the supporting housing according to the embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the solvent adding port of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 1;

FIG. 4 is a schematic view of the structure at B in FIG. 2;

fig. 5 is a schematic top view of the sealing plate according to the embodiment of the present invention.

Reference numerals: 1. a cover body; 101. an upper connecting edge; 2. a solvent addition port; 201. a lower connection edge; 3. a hinged locking member; 301. a U-shaped fixing sheet; 302. a loop bar; 303. a hinge sleeve; 304. a threaded rod; 305. a lock nut; 306. a hand-twisting ring; 4. a first annular seal gasket; 5. a handle of the switch cover; 6. a first switch cover hinge lever; 7. a second switch cover hinge lever; 8. a fixing plate; 9. a high pressure let-down; 10. a viewing port; 1001. an opening part; 1002. closing the plate; 1003. a glass window; 1004. connecting a threaded hole; 1005. a small illumination lamp; 11. the housing is supported.

[ detailed description ] A

Please refer to fig. 1 to 5. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

A safety cover for maintaining a solvent recovery pressure environment comprises a cover body 1, as shown in FIGS. 1-5, the cover body 1 is matched with a solvent adding port 2, the solvent adding port 2 is a large solvent adding port 2, and a large amount of solvent can be quickly added by opening the cover body 1.

In order to ensure the sealing connection between the solvent adding port 2 and the cover body 1, the cover body 1 is provided with an upper connecting edge 101, and the solvent adding port 2 is provided with a lower connecting edge 201. The upper connecting rim 101 and the lower connecting rim 201 are fixedly connected by means of a plurality of hinged locking members 3.

The specific structure of the hinged locking member 3 will be described in detail: the hinged locking piece 3 comprises a U-shaped fixing piece 301, and the U-shaped fixing piece 301 is fixedly arranged on the lower side of the lower connecting edge 201; a loop bar 302 is arranged between two sides of the U-shaped fixing plate 301, specifically, the loop bar 302 passes through one side of the U-shaped fixing plate 301 to the other side and is locked by a nut; when the loop bar 302 passes through the U-shaped fixing plate 301, the loop bar 302 is in sleeve fit with the hinge sleeve 303, so that the hinge sleeve 303 can be in rotating fit with the loop bar 302; the hinge sleeve 303 is fixedly connected with one end of a threaded rod 304, and the other end of the threaded rod 304 is in threaded fit with a lock nut 305; further, go up and connect border 101 and connect border 201 down and all be provided with the draw-in groove, the draw-in groove cooperatees with threaded rod 304, threaded rod 304 one end realizes articulated motion under the effect between articulated cover 303 and loop bar 302 promptly, threaded rod 304 carries out articulated motion and blocks into the draw-in groove in, threaded rod 304 locks through lock nut 305 at last, after locking promptly, lock nut 305 with last connection border 101 looks butt, lock nut 305 goes up fixed connection hand twist ring 306, hand twist ring 306 is convenient for operating personnel to operate.

A first annular sealing washer 4 is arranged between the cover body 1 and the solvent adding port 2, the first annular sealing washer 4 comprises a circular middle part, and side edge extending parts are arranged on two sides of the circular middle part. When locking, extrude first ring type seal ring 4 to realize sealed effect, set up the side extension and be in order to increase the area of contact between first ring type seal ring 4 and lid body 1 and the solvent interpolation mouth 2 when sealed.

In order to open or close the cover body 1, a switch cover handle 5 is fixedly arranged on one side of the cover body 1, one end of a first switch cover hinge rod 6 is fixedly arranged on the other side of the cover body 1, the other end of the first switch cover hinge rod 6 is in hinge fit with one end of a second switch cover hinge rod 7, the other end of the second switch cover hinge rod 7 is fixedly connected with a fixing plate 8, and the fixing plate 8 is fixedly arranged on a support shell 11, as shown in fig. 1.

Further, a high pressure relief device 9 is fixedly arranged on the cover body 1, wherein the high pressure relief device 9 comprises a pressure relief needle, and when the pressure relief needle is pressed, air can be released, so that the pressure relief function is achieved, and the high pressure relief device 9 has a function similar to a pressure relief opening of a pressure cooker.

In order to observe the operation condition of the solvent recovery, the observation port 10 is fixedly provided on the cover body 1, the observation port 10 includes an opening 1001 and a sealing plate 1002, the opening 1001 and the sealing plate 1002 are fixedly connected by a plurality of bolts and nuts, a second annular sealing gasket (not shown) is provided between the opening 1001 and the sealing plate 1002, the sealing plate 1002 is provided with a glass window 1003, a screw connection hole 1004 is provided on the sealing plate 1002, and a small illumination lamp 1005 is engaged with the screw connection hole 1004. Therefore, the human eye can observe the solvent recovery operation through the glass window 1003 under the illumination of the small illumination lamp 1005.

In summary, in the embodiment, the hinge-type locking member 3 is provided, so that the lid body 1 and the solvent addition port 2 can be conveniently and quickly locked, and then the first annular sealing washer 4 is matched, so that the first annular sealing washer 4 is pressed while locking, and the sealing connection between the lid body 1 and the solvent addition port 2 is realized; the observation opening 10 with the glass window 1003 is arranged, and the working condition of solvent recovery can be clearly observed through the glass window 1003 under the illumination effect of the small illumination lamp 1005; through the design of overall structure, satisfied the leakproofness requirement of big solvent interpolation mouth 2, can keep the environment of solvent recovery pressure in the cavity.

The foregoing is illustrative of the present invention and is not to be construed as limited thereto, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A safety cover for maintaining solvent recovery pressure environment comprises a cover body (1), the cover body (1) is matched with a solvent adding port (2), and the safety cover is characterized in that,

the cover body (1) is provided with an upper connecting edge (101), the solvent adding port (2) is provided with a lower connecting edge (201), and the upper connecting edge (101) and the lower connecting edge (201) are fixedly connected through a plurality of hinged locking pieces (3);

the hinged locking piece (3) comprises a U-shaped fixing piece (301), a loop bar (302) is arranged between two sides of the U-shaped fixing piece (301), the loop bar (302) is in sleeve fit with a hinged sleeve (303), the hinged sleeve (303) is fixedly connected with one end of a threaded rod (304), and the other end of the threaded rod (304) is in threaded fit with a locking nut (305);

go up connection border (101) with connect border (201) down and all be provided with the draw-in groove, the draw-in groove with threaded rod (304) cooperate, U type stationary blade (301) are fixed to be set up connect the downside on border (201) down, lock nut (305) with go up connection border (101) looks butt.

2. A safety cover for maintaining a pressure environment for solvent recovery according to claim 1, wherein the loop bar (302) passes through one side of the U-shaped fixing plate (301) to the other side and is fastened by a nut, and a hand ring (306) is fixedly connected to the fastening nut (305).

3. A safety cover for maintaining a solvent recovery pressure environment according to claim 1, wherein a first ring-shaped sealing gasket (4) is arranged between the cover body (1) and the solvent adding port (2), the first ring-shaped sealing gasket (4) comprises a circular middle part, and both sides of the circular middle part are provided with side extensions.

4. A safety cover for maintaining a pressure environment for solvent recovery according to claim 1, wherein a switch cover handle (5) is fixedly arranged on one side of the cover body (1), one end of a first switch cover hinge rod (6) is fixedly arranged on the other side of the cover body (1), the other end of the first switch cover hinge rod (6) is in hinge fit with one end of a second switch cover hinge rod (7), and the other end of the second switch cover hinge rod (7) is fixedly connected with the fixing plate (8).

5. A safety cover for maintaining a pressure environment for recovering solvent according to claim 1, wherein the cover body (1) is fixedly provided with a high pressure relief device (9).

6. The safety cover for maintaining the pressure environment for recovering the solvent according to claim 1, wherein the cover body (1) is fixedly provided with an observation port (10), the observation port (10) comprises an opening part (1001) and a sealing plate (1002), the opening part (1001) is fixedly connected with the sealing plate (1002) through a plurality of bolts and nuts, a second annular sealing gasket is arranged between the opening part (1001) and the sealing plate (1002), the sealing plate (1002) is provided with a glass window (1003), the sealing plate (1002) is provided with a threaded connection hole (1004), and the threaded connection hole (1004) is matched with a small illumination lamp (1005).