CN210051950U

CN210051950U - Screw liquid viewing mirror

Info

Publication number: CN210051950U
Application number: CN201920779803.XU
Authority: CN
Inventors: 胡英江
Original assignee: Changzhou Songying Liquid Mirror Co Ltd
Current assignee: Changzhou Songying Liquid Mirror Co Ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-02-11
Anticipated expiration: 2029-05-27

Abstract

The utility model discloses a liquid mirror is looked to screw thread, be in including looking mirror seat, setting sight glass on looking mirror seat, the medium chamber that supplies the external medium inflow has in looking mirror seat, the global fixed plate that is provided with integrated into one piece in medium chamber sets up be used for sealing on the fixed plate sight glass's sealing device, sealing device is including fixing lower sealing member on the fixed plate, with the last sealing member of lower sealing member butt, with medium chamber threaded connection and with the solenoid that compresses tightly of last sealing member butt, sight glass is located down the sealing member with between the last sealing member. The sight glass is positioned between the upper sealing piece and the lower sealing piece, so that the waterproof and dustproof effects of the sight glass can be improved.

Description

Screw liquid viewing mirror

Technical Field

The utility model relates to a look the liquid mirror field, especially relate to liquid mirror is looked to screw thread.

Background

In a refrigeration system, it is necessary to observe the liquid level in a certain pipeline or a critical component at any time, and a liquid observation mirror is usually adopted for observation, and the liquid observation mirror is mainly used for observing the condition of refrigerant in a liquid pipeline in a refrigeration device, the water content in the refrigerant and the flowing condition of lubricating oil from an oil separator in an oil return pipeline.

At present, chinese utility model patent with publication number CN206741064U discloses a look liquid mirror, look liquid mirror including looking mirror seat, setting and be in sight glass, setting on the mirror seat are in the instruction paper in the inner chamber of looking mirror seat, have the medium chamber that supplies the inflow of external medium in the inner chamber, its characterized in that still is in including setting up isolation parts in the inner chamber, instruction paper sets up isolation parts on not with look mirror seat contact.

Above-mentioned technical scheme does not have sealed measure between looking at the sight glass and the sight glass seat, and in moisture or air impurity got into the inner chamber, can lead to causing the pollution to the medium in the inner chamber, and then leads to looking the unable normal work of liquid mirror, and the waterproof dustproof effect of looking the liquid mirror remains to be promoted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a liquid mirror is looked to screw thread, sight glass are located between upper seal spare and the lower sealing member, can improve the waterproof dustproof effect who looks the liquid mirror.

The technical purpose of the utility model is realized through following technical scheme:

the thread sight glass comprises a sight glass seat and sight glass arranged on the sight glass seat, wherein a medium cavity for external media to flow into is formed in the sight glass seat, an integrally formed fixing plate is arranged on the peripheral surface of the medium cavity, a sealing device for sealing the sight glass is arranged on the fixing plate, the sealing device comprises a lower sealing piece fixed on the fixing plate, an upper sealing piece abutted against the lower sealing piece, a pressing solenoid connected with the medium cavity in a threaded manner and abutted against the upper sealing piece, and the sight glass is positioned between the lower sealing piece and the upper sealing piece.

Through above-mentioned technical scheme, there is integrated into one piece's fixed plate the global of medium chamber, will descend the fixed butt of sealing member on the fixed plate, sight glass places under between sealing member and the last sealing member to compress tightly the solenoid through screwing and realize compressing tightly the sealing member, thereby realize looking at the sealed between sight glass and the inner chamber, and then can improve the waterproof dustproof effect of looking at the liquid mirror.

The utility model discloses further set up to: the annular groove is opened to the one side that lower sealing member is close to last sealing member, the one side that goes up the sealing member and be close to lower sealing member is provided with integrated into one piece's sealing edge, the sealing edge with the annular groove phase-match.

Through above-mentioned technical scheme, set up the ring channel on lower sealing member to and there is integrated into one piece's sealed limit at last sealing member, and ring channel and sealed limit phase-match, thereby can improve the laminating degree between sealing member and the lower sealing member, and then can further improve the waterproof dustproof effect of looking the liquid mirror.

The utility model discloses further set up to: the height of the sealing edge is smaller than the depth of the annular groove.

Through above-mentioned technical scheme, highly setting up the degree of depth for being less than the ring channel with the sealed limit, when compressing tightly the solenoid and compress tightly the sealing member, can guarantee to laminate between sealing member and the lower sealing member, and then can guarantee that the sealing member is dustproof and waterproof to the sight glass.

The utility model discloses further set up to: one side, far away from the inner wall of the medium cavity, of the lower sealing element is provided with a first fixing edge which is integrally formed, a first counter bore is formed in the first fixing edge, and a first bolt is inserted into the first counter bore and is in threaded connection with the first threaded hole.

Through above-mentioned technical scheme, utilize first bolt can be with sealing member fixed connection down on the fixed plate to can reduce the slip of sealing member down, and then can guarantee the waterproof dustproof effect of looking the liquid mirror.

The utility model discloses further set up to: the one side that goes up the sealing member and keep away from the medium intracavity wall is provided with integrated into one piece's fixed limit of second, the second counter bore has been seted up on the fixed limit of second, the one side that compresses tightly the solenoid and be close to go up the sealing member has integrated into one piece's fixed limit of solenoid, second screw hole has been seted up on the solenoid fixed limit, second bolt has been inserted in the second counter bore and with second screw hole threaded connection.

Through above-mentioned technical scheme, utilize the second bolt can be with last sealing member fixed connection on compressing tightly the solenoid to can reduce the slip of going up the sealing member, and then can guarantee the waterproof dustproof effect of looking the liquid mirror.

The utility model discloses further set up to: and a mounting hole is formed in one surface of the compression solenoid, which is far away from the upper sealing element.

Through above-mentioned technical scheme, set up the mounting hole on compressing tightly the solenoid, can utilize the round bar to insert and to compress tightly the solenoid in can screwing in the mounting hole when screwing and compressing tightly the solenoid, and then can be convenient for compress tightly screwing of solenoid, guarantee compressing tightly to the sealing member.

The utility model discloses further set up to: the mounting hole is a plurality of.

Through above-mentioned technical scheme, when the mounting hole is a plurality of, when one of them mounting hole can't insert the round bar and rotate, can utilize other mounting holes to screw and compress tightly the screwed pipe, and then can guarantee to compressing tightly screwing of pipe.

The utility model discloses further set up to: and a film is adhered to one surface of the sight glass close to the compression solenoid.

Through above-mentioned technical scheme, the film bonds on the sight glass, and when the dust fell on the glass sight glass, the film can absorb the dust to can change the film at any time, and then can guarantee sight glass's transparency.

To sum up, the utility model discloses a beneficial technological effect does:

1. through set up sealing member and lower sealing member in the medium chamber, and sight glass is located between upper seal member and the lower sealing member to compress tightly the screwed pipe through screwing and realize compressing tightly the upper seal member, thereby realize looking at the sealed between sight glass and the inner chamber, and then can improve the waterproof dustproof effect of looking at the liquid mirror.

2. Through set up the ring channel on sealing member down to and there is integrated into one piece's sealed limit at last sealing member, and ring channel and sealed limit phase-match, thereby can improve the laminating degree between sealing member and the lower sealing member, and then can further improve the waterproof dustproof effect of looking the liquid mirror.

3. Sealing member fixed connection will be down on the fixed plate through first bolt to and utilize the second bolt to go up sealing member fixed connection on compressing tightly the solenoid, thereby can reduce the slip of sealing member, and then can guarantee the waterproof dustproof effect of looking the liquid mirror.

Drawings

FIG. 1 is an exploded schematic view of the present invention, illustrating primarily the overall construction;

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

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Reference numerals: 1. a sight glass seat; 11. a media chamber; 12. a fixing plate; 121. a first threaded hole; 2. a sight glass; 3. a sealing device; 31. a lower seal member; 311. an annular groove; 312. a first fixed edge; 3121. a first counterbore; 32. an upper seal member; 321. sealing the edges; 322. a second fixed edge; 3221. a second counterbore; 33. compressing the solenoid; 331. a solenoid fixing edge; 3311. a second threaded hole; 332. mounting holes; 4. a first bolt; 5. a second bolt; 6. a film.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The threaded sight glass comprises a sight glass base 1, sight glass 2 and a sealing device 3 for sealing the sight glass 2, wherein the sight glass base 1 is cylindrical, a medium cavity 11 for external medium to flow into is formed in the sight glass base 1, and the medium cavity 11 is communicated with two end faces of the sight glass base 1. Referring to fig. 2 and 3, the sealing device 3 includes a fixing plate 12, a lower sealing member 31, an upper sealing member 32 and a compression coil 33, the fixing plate 12 is integrally formed with the inner wall of the medium chamber 11, and a through hole is formed in the middle of the fixing plate 12; the lower sealing element 31 is annular, the lower sealing element 31 is connected with the bottom of the upper surface of the fixing plate 12, one surface of the lower sealing element 31, which is far away from the fixing plate 12, is provided with an annular groove 311, and the annular groove 311 is arranged in the middle of the lower sealing element 31; the upper sealing element 32 is annular, the bottom of the upper sealing element 32 is connected with the upper surface of the lower sealing element 31, one surface of the upper sealing element 32 close to the lower sealing element 31 is provided with an integrally formed sealing edge 321, the sealing edge 321 is positioned in the middle of the upper sealing element 32, the annular groove 311 is matched with the sealing edge 321, and the height of the sealing edge 321 is smaller than the depth of the annular groove 311; the compression solenoid 33 is tubular, the outer wall of the compression solenoid 33 is in threaded connection with the inner wall of the medium cavity 11, and the mirror glass 2 is positioned between the upper sealing element 32 and the lower sealing element 31.

The tight solenoid 33 of screwing can be sealed to the laminating between upper seal 32 and the lower seal 31, because sight glass 2 is located between upper seal 32 and the lower seal 31 to can realize the sealed between sight glass 2 and the inner chamber, and then can improve the waterproof dustproof effect of looking the liquid mirror. In addition, set up ring channel 311 on lower sealing member 31 to and there is integrated into one piece's sealed limit 321 at last sealing member 32, and ring channel 311 and sealed limit 321 phase-match to can improve the laminating degree between upper sealing member 32 and the lower sealing member 31, and then can further improve the waterproof dustproof effect of looking the liquid mirror.

As shown in fig. 3, a first fixing edge 312 is integrally formed on a surface of the lower sealing member 31 away from the inner wall of the medium chamber 11, a first counter bore 3121 is formed in the first fixing edge 312, and a counter bore of the first counter bore 3121 is located on a surface away from the first fixing edge 312 and connected to the bottom of the fixing plate 12. The fixing plate 12 is provided with a first threaded hole 121, an axis of the first threaded hole 121 is collinear with an axis of the first counterbore 3121, and the first bolt 4 is inserted into the first counterbore 3121 and the first threaded hole 121. The side of the upper sealing element 32 far away from the inner wall of the medium cavity 11 is provided with an integrally formed second fixing edge 322, the second fixing edge 322 is provided with a second counter bore 3221, the counter bore of the second counter bore 3221 is positioned at the side close to the lower sealing element 31, the side of the pressing screw tube 33 close to the upper sealing element 32 is provided with an integrally formed screw tube fixing edge 331, the screw tube fixing edge 331 is provided with a second threaded hole 3311, the axis of the second threaded hole 3311 is collinear with the axis of the second counter bore 3221, and a second bolt 5 is inserted into the second counter bore 3221 and the second threaded hole 3311. Lower sealing member 31 is fixedly connected on fixing plate 12 through first bolt 4 to and utilize second bolt 5 with upper sealing member 32 fixed connection on compressing tightly solenoid 33, thereby can reduce the slip of sealing member, and then can guarantee the waterproof dustproof effect of looking the liquid mirror.

As shown in fig. 3, a plurality of mounting holes 332 are formed in a surface of the compression coil 33 away from the upper seal 32, and the plurality of mounting holes 332 are uniformly distributed on the upper surface of the compression coil 33. The installation hole 332 is formed in the compression solenoid 33, so that when the compression solenoid 33 is screwed, a round rod is inserted into the installation hole 332 to screw the compression solenoid 33, the compression solenoid 33 can be screwed conveniently, and the compression of a sealing element is guaranteed. In addition, when a plurality of mounting holes 332 are provided, when one of the mounting holes 332 cannot be inserted with a round bar for rotation, the other mounting holes 332 can be used to fasten the compression coil 33, and thus the fastening of the compression coil 33 can be ensured.

As shown in fig. 1, a film 6 is adhered to one surface of the sight glass 2 close to the compression solenoid 33, and when dust falls on the sight glass, the film 6 can absorb the dust and can be replaced at any time, so that the transparency of the sight glass 2 can be ensured.

The specific working principle is that the lower sealing element 31 is fixedly connected with the fixing plate 12, the upper sealing element 32 is fixedly connected with the compression solenoid 33, the glass sight glass is placed between the upper sealing element 32 and the lower sealing element 31, the sealing edge 321 is clamped into the annular groove 311, the upper sealing element 32 can be tightly attached to the lower sealing element 31 by screwing the compression solenoid 33, and the waterproof and dustproof effects of the sight glass can be further improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Liquid mirror is looked to screw thread, including looking mirror seat (1), setting sight glass (2) on looking mirror seat (1), have medium chamber (11) that supply external medium to flow in looking mirror seat (1), its characterized in that: the periphery of the medium cavity (11) is provided with an integrally formed fixing plate (12), a sealing device (3) which is arranged on the fixing plate (12) and used for sealing the sight glass (2) is arranged, the sealing device (3) comprises a lower sealing element (31) fixed on the fixing plate (12), an upper sealing element (32) abutted to the lower sealing element (31), and a compression solenoid (33) which is in threaded connection with the medium cavity (11) and abutted to the upper sealing element (32), and the sight glass (2) is located between the lower sealing element (31) and the upper sealing element (32).

2. The threaded sight glass of claim 1, wherein: lower sealing member (31) are close to annular groove (311) have been seted up to the one side of upper seal piece (32), upper seal piece (32) are close to the one side of lower sealing member (31) is provided with integrated into one piece's sealing edge (321), sealing edge (321) with annular groove (311) phase-match.

3. The threaded sight glass of claim 2, wherein: the height of the sealing edge (321) is smaller than the depth of the annular groove (311).

4. The threaded sight glass of claim 1, wherein: one surface, away from the inner wall of the medium cavity (11), of the lower sealing element (31) is provided with a first fixing edge (312) which is integrally formed, a first counter bore (3121) is formed in the first fixing edge (312), a first threaded hole (121) is formed in the fixing plate (12), and a first bolt (4) is inserted into the first counter bore (3121) and is in threaded connection with the first threaded hole (121).

5. The threaded sight glass of claim 1, wherein: go up sealing member (32) and keep away from the one side of medium chamber (11) inner wall is provided with integrated into one piece's fixed limit of second (322), second counter bore (3221) has been seted up on the fixed limit of second (322), it is close to compress tightly screwed pipe (33) there is integrated into one piece's fixed limit of screwed pipe (331) in the one side of going up sealing member (32), second screw hole (3311) has been seted up on the fixed limit of screwed pipe (331), second bolt (5) have been inserted in second counter bore (3221) and with second screw hole (3311) threaded connection.

6. The threaded sight glass of claim 1, wherein: and a mounting hole (332) is formed in one surface, away from the upper sealing element (32), of the compression solenoid (33).

7. The threaded sight glass of claim 6, wherein: the mounting holes (332) are multiple.

8. The threaded sight glass of claim 1, wherein: and a film (6) is adhered to one surface of the sight glass (2) close to the compression solenoid (33).