CN214198141U

CN214198141U - Quick-opening container multistage sealing mechanism

Info

Publication number: CN214198141U
Application number: CN202120206644.1U
Authority: CN
Inventors: 姜鑫
Original assignee: Weihai Yumin Machinery Manufacturing Co ltd
Current assignee: Weihai Yumin Machinery Manufacturing Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-09-14
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses a quick-opening container multistage sealing mechanism, which comprises a working chamber, a closing disc and a clamp; the closing disc is sealed and covered at the lower end of the working chamber, and the hoop is locked around the closing disc and the working chamber; a first sealing groove is formed in the working chamber, and a first sealing bulge clamped with the first sealing groove is formed on the closing disc; a second sealing groove and a third sealing groove are also formed in the top end face of the closing disc; a second sealing ring is arranged in the second sealing groove, a second sealing bulge is formed at the working chamber, and the second sealing bulge is inserted into the second sealing groove and is attached to the second sealing ring; and a soft sealing strip is arranged in the third sealing groove. This novel multistage seal structure that is provided with, including soft seal, hard seal, the multiple sealed form of combination seal, not only sealed effect is splendid, and can avoid the ageing back of soft sealed sealing washer, the emergence of gas leakage phenomenon.

Description

Quick-opening container multistage sealing mechanism

Technical Field

The utility model relates to a sealing mechanism especially relates to a multistage sealing mechanism of quick-open container.

Background

The heat energy deburring (flash) process is a thermochemical reaction process, and is characterized by that the parts to be deburred (flash) are placed in a sealed container, then a certain quantity of hydrogen (or methane) and oxygen are charged, and after the hydrogen (or methane) and oxygen are ignited by means of spark plug, the mixed gas can be instantaneously reacted, and a large quantity of heat can be released, so that the burr (flash) can be heated and self-ignited under the action of high temp., high pressure and high speed, so that the goal of removing burr (flash) can be reached. Therefore, the sealing performance of the working chamber of the sealed container has important influence on the deburring quality; however, in the existing sealed container, the sealing structure of the working chamber is mostly a primary sealing structure, which results in poor sealing effect of the working chamber; when a single sealing ring is used for sealing, the problems of aging and the like of the sealing ring are obvious along with the prolonging of the service time, and the air leakage phenomenon is very easy to cause, so that a multistage sealing mechanism with long service life and excellent sealing effect is urgently needed to be provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a quick-opening container multistage sealing mechanism.

In order to solve the technical problem, the utility model discloses a technical scheme is: a quick-opening container multistage sealing mechanism comprises a working chamber, a closing disc and a hoop; the closing disc is sealed and covered at the lower end of the working chamber, and the hoop is locked around the closing disc and the working chamber;

the working chamber is provided with a first sealing groove along the circumferential direction at the bottom end surface, and the top end of the closing disc protrudes upwards and forms a first sealing bulge clamped with the first sealing groove;

a second sealing groove and a third sealing groove are also formed in the top end face of the closing disc; the second sealing groove is in a ladder shape and is inwards sunken, a second sealing ring is arranged in the second sealing groove, a second sealing bulge protruding downwards is formed on the bottom end face of the working chamber, and the second sealing bulge is inserted into the second sealing groove and is attached to the second sealing ring; a soft sealing strip is arranged in the third sealing groove, and the height of the soft sealing strip is higher than the depth of the third sealing groove;

the first sealing bulge, the second sealing groove and the third sealing groove are sequentially arranged from the outer ring to the inner ring.

Furthermore, the top end of the closed disk is provided with an annular inserting plate which is integrally formed with the closed disk, and the annular inserting plate is inserted into the inner cavity of the working chamber.

Furthermore, an upper sealing groove is formed in the first sealing groove, a lower sealing groove is formed in the first sealing bulge, the upper sealing groove is aligned with the lower sealing groove, and a sealing ring is plugged in the upper sealing groove and the lower sealing groove together.

Furthermore, an extrusion spring is further arranged in the lower sealing groove and connected with the first sealing ring.

Furthermore, a clamping groove is formed in the hoop, the upper end face and the lower end face of the clamping groove are obliquely arranged and form a self-locking inclined face, the working chamber and the side face protruding portion of the closing disc are jointly inserted into the clamping groove, the side face protruding portion of the closing disc forms an inclined face matched with the self-locking inclined face at the upper end of the clamping groove, and the side face protruding portion of the working chamber forms an inclined face matched with the self-locking inclined face at the lower end of the clamping groove.

The utility model discloses a quick-open container multistage sealing mechanism is provided with multistage seal structure between studio and the closed dish and realizes sealing, and multistage seal structure includes soft seal, hard seal, the multiple sealed form of combination seal, and not only sealed effect is splendid, and can avoid the ageing back of soft sealed sealing washer, and the emergence of gas leakage phenomenon can enough ensure going on smoothly of burring (deckle edge) process, has still improved the work safety of studio. In addition, the clamp design has the auto-lock inclined plane, has effectively increased the compressive capacity of multistage sealed combination, has further promoted this sealing device's sealed effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

In the figure: 1. a working chamber; 2. clamping a hoop; 3. a closing tray; 4. a clamping groove; 5. an annular inserting plate; 6. a boss structure; 7. a first sealing protrusion; 8. sealing the groove I; 9. a lower seal groove; 10. a compression spring; 11. an upper seal groove; 12. a first sealing ring; 13. sealing the groove II; 14. a second sealing ring; 15. a second sealing bulge; 16. sealing the groove III; 17. a soft sealing strip.

Detailed Description

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

A quick-opening container multistage sealing mechanism is shown in figure 1 and comprises a working chamber 1, a closing disc 3 and a clamp 2;

wherein, the working chamber 1 is a working chamber of a deburring sealed container, and deburring is carried out in the working chamber 1.

The closing cover 3 is sealed and covered at the lower end of the working chamber 1, and the inner cavity of the working chamber 1 is sealed through the closing cover 3; meanwhile, in order to facilitate the placement of deburring parts, an annular inserting plate 5 which is integrally formed with the closed plate is arranged at the top end of the closed plate 3, a space surrounded by the annular inserting plate 5 is a position point for placing the parts, after the parts are placed, the closed plate 3 is driven to move upwards through a power mechanism such as an air cylinder and the like, the annular inserting plate 5 is inserted into an inner cavity of the working chamber 1, and finally the closed plate 3 and the working chamber 1 are locked through a hoop 2; in order to reduce the gap between the annular inserting plate 5 and the working chamber as much as possible, the outer diameter of the annular inserting plate 5 is slightly smaller than the inner diameter of the opening at the bottom end of the closing disc 3.

The hoop 2 is a divided hoop body structure, which is arranged around the working chamber 1 and the closing cover 3, and the two hoop body structures are respectively connected with a driving mechanism which moves synchronously, such as an air cylinder and the like; therefore, when the closing disc 3 covers the working chamber 1, the driving hoop 2 locks the closing disc 3 and the working chamber 1; after the deburring treatment is finished, the clamp is pulled open, the closing disc is opened, and the sealed container is opened, so that the opening operation of the working chamber is very quick and convenient, and the quick-opening container is formed.

The arrangement of the sealing structure between the working chamber 1 and the closing cover 3 has an important influence on the sealing performance of the working chamber 1. The utility model discloses a quick-open sealing mechanism is provided with multistage seal structure between studio 1 and closed lid 3, has improved the leakproofness of being connected of studio 1 and closed lid 3 greatly.

The method specifically comprises the following steps: as shown in fig. 2, the bottom end surface of the working chamber 1 is provided with a first sealing groove 8 along the circumferential direction, and the top end of the closing disc 3 protrudes upwards and forms a first sealing protrusion 7 engaged with the first sealing groove 8; the first sealing bulge 7 is inserted into the first sealing groove 8 to form a first-stage hard seal positioned at the outermost ring;

meanwhile, an upper sealing groove 11 is formed in the first sealing groove 8, a lower sealing groove 9 is formed in the first sealing bulge 7, the upper sealing groove 11 is aligned with the lower sealing groove 9, and a first sealing ring 12 is plugged into the upper sealing groove 11 and the lower sealing groove 9 together; therefore, a second-stage soft seal is formed under the action of the first seal ring 12, and the first seal ring is a teflon seal ring, a fluororubber seal ring and the like. And, for the sealed effect of further strengthening a sealing washer 12, still be provided with extrusion spring 10 in the lower seal groove 9, extrusion spring 10 is connected with a sealing washer 12, after closing lid 3 lid closes studio 1 on, a sealing washer 12 that extrusion spring 10 connects is filled into in last seal groove 11, at this moment, extrusion spring 10 can be compressed, the spring can resume the shape, can tightly withhold a sealing washer 12 to make a better sealing of sealing washer 12 in last seal groove, lower seal groove. In addition, in order to prevent the first seal ring 12 from being separated from the lower seal groove 9, the original height of the pressing spring 10 is lower than that of the lower seal groove.

Further, as shown in fig. 2, a second sealing groove 13 and a third sealing groove 16 are further formed in the top end surface of the closing disc 3;

the second sealing groove 13 is in a ladder shape and is inwards sunken, a second sealing ring 14 is arranged in the second sealing groove 13, a second sealing bulge 15 protruding downwards is formed on the bottom end face of the working chamber 1, and the second sealing bulge 15 is inserted into the second sealing groove 13 and is attached to the second sealing ring 14; therefore, the second sealing ring 14 is pressed by the second sealing bulge 15 to form a third-stage combined seal; the second sealing ring also adopts a PTFE sealing ring, a fluororubber sealing ring and the like.

The third sealing groove 16 is next to the annular inserting plate 5, a soft sealing strip 17 is arranged in the third sealing groove 16, the height of the soft sealing strip 17 is higher than the depth of the third sealing groove 16, and a fourth-stage soft sealing is formed by the soft sealing strip; the soft sealing strip can adopt any one of various sealing forms such as a graphite sealing strip, a tetrafluoro sealing strip, a brass sealing strip and the like.

Therefore, the first sealing bulge 7, the second sealing groove 13 and the third sealing groove 16 are sequentially arranged from the outer ring to the inner ring, so that a four-stage sealing structure is sequentially formed between the working chamber 1 and the closing disc 3, the four-stage sealing structure comprises a plurality of sealing forms of hard sealing, soft sealing and combined sealing, and the sealing property between the working chamber 1 and the closing disc 3 is greatly improved; the combination of multiple sealed form, the ability reinforce of anti-risk can effectively avoid the sealing washer ageing back, and the emergence of gas leakage phenomenon improves sealing mechanism's life.

Finally, after the closing disc 3 is hermetically covered on the working chamber 1, the locking is realized by the hoop 2 which is commonly arranged around the working chamber 1 and the closing disc 3; in order to increase the locking effect of the hoop 2 on the closing disc 3 and the working chamber 1, a clamping groove 4 is formed in the hoop body structure of the hoop 2, the upper end face and the lower end face of the clamping groove 4 are obliquely arranged and form a self-locking inclined surface 41, the working chamber 1 and the side protruding portion of the closing disc 3 are jointly inserted into the clamping groove 4, the side protruding portion of the closing disc 3 forms a diagonal plane matched with the self-locking inclined surface at the upper end of the clamping groove 4, and the side protruding portion of the working chamber 1 forms a diagonal plane matched with the self-locking inclined surface at the lower end of the clamping groove 4. Through the setting of auto-lock inclined plane 41, increased the compression capacity of multistage sealed combination, make the connection of closing lid 3 and studio 1 inseparabler, further promote sealed effect.

Therefore, for the multi-stage sealing mechanism of the quick-opening container disclosed by the utility model, a multi-stage sealing structure is designed between the working chamber 1 and the closing cover 3, firstly, the first sealing bulge 7 and the first sealing groove 8 are matched to realize the hard sealing of the first stage at the outermost ring; secondly, the first sealing ring 12 realizes the second-stage soft sealing, and the sealing performance of the first sealing ring 12 is greatly improved under the extrusion action of the extrusion spring 10; moreover, the second sealing bulge 15 is matched with the second sealing groove 13 and combined with the second sealing ring 14 to realize third-level combined sealing; finally, the soft seal strip 17 realizes the fourth-stage soft seal; the multi-stage sealing structure comprises a plurality of sealing forms of soft sealing, hard sealing and combined sealing, so that the sealing effect is excellent, and the phenomenon of air leakage after the sealing ring of the soft sealing is aged can be avoided. In addition, the clamp design has the auto-lock inclined plane, has effectively increased the compressive capacity of multistage sealed combination, has further promoted sealed effect.

The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.

Claims

1. The utility model provides a multistage sealing mechanism of quick-open container, includes studio (1), its characterized in that: it also comprises a closing disc (3) and a clamp hoop (2); the closing disc (3) is hermetically covered at the lower end of the working chamber (1), and the clamp (2) is locked around the closing disc (3) and the working chamber (1);

a first sealing groove (8) is formed in the bottom end face of the working chamber (1) along the circumferential direction, and a first sealing bulge (7) clamped with the first sealing groove (8) is formed in the top end of the closing disc (3) and protrudes upwards;

a second sealing groove (13) and a third sealing groove (16) are further formed in the top end face of the closing disc (3); the second sealing groove (13) is in a ladder shape and is inwards sunken, a second sealing ring (14) is arranged in the second sealing groove (13), a second sealing bulge (15) protruding downwards is formed on the bottom end face of the working chamber (1), and the second sealing bulge (15) is inserted into the second sealing groove (13) and is attached to the second sealing ring (14); a soft sealing strip (17) is arranged in the third sealing groove (16), and the height of the soft sealing strip (17) is higher than the depth of the third sealing groove (16);

the first sealing bulge (7), the second sealing groove (13) and the third sealing groove (16) are sequentially arranged from the outer ring to the inner ring.

2. The multi-stage sealing mechanism for a quick-open container of claim 1, wherein: the top of closing dish (3) is equipped with closing dish integrated into one piece's annular picture peg (5), and annular picture peg (5) insert in the inner chamber of studio (1).

3. The multi-stage sealing mechanism for a quick-open container of claim 2, wherein: an upper sealing groove (11) is formed in the first sealing groove (8), a lower sealing groove (9) is formed in the first sealing protrusion (7), the upper sealing groove (11) is aligned with the lower sealing groove (9), and a sealing ring (12) is plugged into the upper sealing groove (11) and the lower sealing groove (9) together.

4. The multi-stage sealing mechanism for a quick-open container of claim 3, wherein: an extrusion spring (10) is further arranged in the lower sealing groove (9), and the extrusion spring (10) is connected with a first sealing ring (12).

5. The multi-stage sealing mechanism for a quick-open container of claim 1, wherein: the clamping groove (4) is formed in the clamp (2), the upper end face and the lower end face of the clamping groove (4) are obliquely arranged and form a self-locking inclined surface (41), the working chamber (1) and the side protruding portion of the closing disc (3) are jointly inserted into the clamping groove (4), the side protruding portion of the closing disc (3) forms a diagonal plane matched with the self-locking inclined surface at the upper end of the clamping groove (4), and the side protruding portion of the working chamber (1) forms a diagonal plane matched with the lower end self-locking inclined surface of the clamping groove (4).