Sealing and locking structure of pressure vessel

Abstract

The utility model discloses a pressure vessel sealing and locking structure which comprises a pressure vessel, a sealing head is arranged on one side of the pressure vessel, a sealing cover is correspondingly arranged on one face of the sealing head, a plurality of groups of bolts are respectively inserted on the sealing head and the sealing cover in a penetrating mode, and nuts are respectively screwed on the bolts. According to the sealing and locking structure for the pressure vessel, the sealing rubber ring, the sealing head and the sealing cover form a clamping limiting structure through the fixing pipe and the groove, the sealing head and the sealing cover form a spiral locking structure through the bolt and the nut, and therefore the sealing rubber ring can be conveniently clamped and installed through the inserted fixing pipe; the air inlet pipe and the air outlet pipe of the device and the fixing pipe form a spiral locking structure, the rubber sleeve and the fixing pipe form a spiral locking structure, and therefore the sealing rubber ring can be inflated and deflated through the air inlet pipe and the air outlet pipe, and the sealing performance of the sealing head can be improved through the sealing rubber ring. And the sealing performance of the rubber sealing ring on the joint of the sealing head is further improved.

Description

Technical Field

[0001] This utility model relates to the field of pressure vessel technology, specifically a pressure vessel sealing and locking structure. Background Technology

[0002] A pressure vessel is a sealed device that holds gas or liquid under pressure, and it is widely used in industry, civil use, military industry, and scientific research. During the use of a pressure vessel, a sealing and locking structure is used to prevent the substances inside and outside the vessel from permeating each other, thus ensuring its airtightness.

[0003] In the use of existing sealing and locking structures, multiple sets of bolts and nuts are used to spirally lock the end cap and cover, and components such as rubber gaskets are used to increase the sealing performance at the connection. However, in the process of use, the sealing effect of the existing sealing and locking structures is only effective through the bolts and rubber gaskets, and the bolts are prone to loosening after prolonged use, which further affects the sealing performance at the connection. Therefore, a new sealing and locking structure for pressure vessels is proposed to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a pressure vessel sealing and locking structure to solve the problem mentioned in the background art that the existing sealing and locking structures only rely on bolts and rubber gaskets to increase the sealing effect during use, and that the bolts are prone to loosening after long-term use, which further affects the sealing performance of the connection.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a pressure vessel sealing and locking structure, comprising a pressure vessel, a support frame provided at the bottom of the pressure vessel, a head provided on one side of the pressure vessel, and a cover provided on one side of the head, a plurality of bolts inserted through the head and the cover respectively, and nuts screwed onto the bolts respectively, grooves being formed on the inner side of the bolts on the opposite sides of the head and the cover respectively, and sealing rubber rings being placed in the grooves, and a plurality of fixing tubes being provided on the outer wall of the sealing rubber rings, and the fixing tubes being inserted through the cover respectively;

[0006] An air inlet pipe is spirally attached to the upper end of the fixed tube of the cover, and an exhaust pipe is spirally attached to the lower end of the fixed tube of the cover. The other ends of the air inlet pipe and the exhaust pipe are respectively connected to the fixed frame, and the fixed frame is equipped with multiple sets of operating knobs. Rubber sleeves are spirally attached to the outer ends of the fixed tubes.

[0007] The end cap and the cover are provided with multiple fixing blocks on the outer wall, and each fixing block is provided with a locking groove. Each locking block is locked in the locking groove, and the locking blocks are respectively provided on the inner wall of the concave limiting plate. The concave limiting plate is sleeved on the outer side of the end cap and the cover.

[0008] Preferably, the sealing rubber ring forms a locking and limiting structure with the end cap and the cover through the fixing tube and the groove, respectively, and the end cap forms a spiral locking structure with the cover through bolts and nuts.

[0009] Preferably, the intake pipe and exhaust pipe form a spiral locking structure with the fixed pipe, and the rubber sleeve also forms a spiral locking structure with the fixed pipe.

[0010] Preferably, the concave limiting plate is inserted into the locking groove by a locking block to form a locking and limiting structure with the end cap and the cover.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: The sealing rubber ring of the pressure vessel sealing and locking structure forms a locking and limiting structure with the end cap and the cover through the fixing tube and the groove, respectively. The end cap forms a spiral locking structure with the cover through bolts and nuts. Thus, the sealing rubber ring can be easily locked and installed through the inserted fixing tube, so that the sealing rubber ring can increase the sealing performance at the end cap. The air inlet pipe and the air outlet pipe of the device form a spiral locking structure with the fixing tube, and the rubber sleeve and the fixing tube also form a spiral locking structure. Thus, the sealing rubber ring can be inflated and deflated through the air inlet pipe and the air outlet pipe, thereby increasing the sealing performance of the rubber sealing ring at the end cap connection. The concave limiting plate of the device forms a locking and limiting structure with the end cap and the cover through the locking block inserted in the locking groove. Thus, the bolt assembly is limited by the locking and installing concave limiting plate, thereby preventing the bolt assembly from loosening after long-term use and affecting the sealing performance at the end cap connection. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of a pressure vessel sealing and locking structure according to the present invention;

[0013] Figure 2 This is a side view of the sealing rubber ring assembly of a pressure vessel sealing and locking structure according to the present invention.

[0014] Figure 3 This is a side view of the concave limiting plate assembly of the pressure vessel sealing and locking structure according to this utility model.

[0015] Figure 4 This is a schematic diagram of a rubber sealing ring structure for a pressure vessel sealing and locking structure according to this utility model.

[0016] In the diagram: 1. Pressure vessel, 2. Support frame, 3. Head, 4. Cover, 5. Bolt, 6. Nut, 7. Fixing block, 8. Engaging block, 9. Concave limiting plate, 10. Operating knob, 11. Inlet pipe, 12. Exhaust pipe, 13. Fixing pipe, 14. Sealing rubber ring, 15. Groove, 16. Rubber sleeve. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-4 This utility model provides a technical solution: a pressure vessel sealing and locking structure, including a pressure vessel 1, a support frame 2 at the bottom of the pressure vessel 1, a head 3 on one side of the pressure vessel 1, and a cover 4 on one side of the head 3. Multiple sets of bolts 5 are inserted through the head 3 and the cover 4, and nuts 6 are screwed onto the bolts 5. Grooves 15 are respectively opened on the inner side of the bolts 5 on the opposite sides of the head 3 and the cover 4, and sealing rubber rings 14 are placed in the grooves 15. Multiple sets of fixing tubes 13 are provided on the outer wall of the sealing rubber rings 14, and the fixing tubes 13 are respectively inserted into the cover 4.

[0019] Furthermore, the sealing rubber ring 14 forms a locking and limiting structure with the end cap 3 and the cover 4 through the fixing tube 13 and the groove 15 respectively, and the end cap 3 forms a spiral locking structure with the cover 4 through the bolt 5 and the nut 6. Thus, the sealing rubber ring 14 can be locked and placed through the groove and the fixing tube 13 so as to increase the sealing of the connection of the end cap 3 through the sealing rubber ring 14 in the future.

[0020] An air inlet pipe 11 is spirally attached to the upper end of the fixed tube 13 of the cover 4, and an exhaust pipe 12 is spirally attached to the lower end of the fixed tube 13 of the cover 4. The other ends of the air inlet pipe 11 and the exhaust pipe 12 are respectively connected to the fixed frame. The fixed frame is equipped with multiple sets of operating knobs 10. Rubber sleeves 16 are spirally attached to the outer end of the fixed tube 13. It should be noted that the fixed frame is equipped with an air pump, a vacuum pump and a pressure gauge inside to ensure that the sealing rubber ring 14 can be inflated and deflated normally.

[0021] Furthermore, the intake pipe 11 and the exhaust pipe 12 form a spiral locking structure with the fixed pipe 13, and the rubber sleeve 16 also forms a spiral locking structure with the fixed pipe 13. Thus, the sealing rubber ring 14 can be inflated through the intake pipe 11 assembly, thereby increasing the sealing effect of the sealing rubber ring 14 at the connection of the end cap 3.

[0022] The end cap 3 and the cover 4 are provided with multiple fixing blocks 7 on their outer walls, and each fixing block 7 is provided with a locking groove. Each locking groove is fitted with a locking block 8, and the locking blocks 8 are respectively provided on the inner wall of the concave limiting plate 9. The concave limiting plate 9 is sleeved on the outer side of the end cap 3 and the cover 4.

[0023] Furthermore, the concave limiting plate 9, through the engaging block 8, is inserted into the engaging groove to form an engaging limiting structure with the end cap 3 and the cover 4. Thus, the concave limiting plate 9, which is engaged and placed, can limit the bolt 5 and nut 6, thereby preventing the bolt 5 from loosening due to prolonged use.

[0024] Working principle: When using the pressure vessel sealing and locking structure, firstly, the sealing rubber ring 14 can be placed in the groove 15 on the cover 4, and the fixing tubes 13 can be inserted into the through holes on the cover 4. After the sealing rubber ring 14 is positioned, the cover 4 can be placed on one side of the head 3, so that the head 3 and cover 4 can be screwed on using multiple sets of bolts 5 and nuts 6, thereby locking the head connection of the pressure vessel 1. After the head 3 and cover 4 are installed, the inlet pipe 11 and the exhaust pipe 12 can be screwed into the fixing tubes 13, and the rubber sleeve 16 can be screwed on the outside of the fixing tubes 13, so that the rubber sleeve 16 can be used to lock the pressure vessel 1. To ensure the sealing between the fixed pipe 13 and the cover 4, the air pump can be started by operating the knob 10 to inflate the sealing rubber ring 14 through the air inlet pipe 11. This inflated sealing rubber ring 14 further increases the sealing at the connection of the end cap 3. During the disassembly of the cover, the sealing rubber ring 14 is vented through the exhaust pipe 12. Then, the concave limiting plate 9 can be locked onto the fixed block 7 by the locking block 8. This allows the concave limiting plate 9 to limit the two ends of the bolt 5, thus preventing the bolt 5 from loosening due to prolonged use. This is the usage process of the pressure vessel sealing and locking structure.

[0025] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A pressure vessel sealing locking structure, comprising a pressure vessel (1), a supporting frame (2) is arranged below the pressure vessel (1), a head (3) is arranged on one side of the pressure vessel (1), and a cover (4) is arranged on one side of the head (3), characterized in that: The cover (4) is provided with a plurality of groups of bolts (5) penetrating through the cover (4), and the bolts (5) are respectively screwed with nuts (6), the inner side of the bolts (5) is respectively provided with a groove (15) on the opposite surface of the cover (3) and the cover (4), and the groove (15) is placed with a sealing rubber ring (14), and the sealing rubber ring (14) is provided with a plurality of groups of fixed pipes (13) on the outer wall, and the fixed pipes (13) are respectively penetrated on the cover (4); The fixed pipe (13) on the upper end of the cover (4) is screwed with an air inlet pipe (11), and the fixed pipe (13) on the lower end of the cover (4) is screwed with an exhaust pipe (12), the other end of the air inlet pipe (11) and the exhaust pipe (12) is respectively connected to the fixed frame, and the fixed frame is provided with a plurality of groups of operation knobs (10), the fixed pipe (13) is respectively screwed with a rubber sleeve (16) on the outer end; The cover (3) and the cover (4) are provided with a plurality of fixed blocks (7) on the outer wall, and the fixed blocks (7) are respectively provided with a clamping groove, the clamping groove is respectively clamped with a clamping block (8), and the clamping block (8) is respectively arranged on the inner wall of the concave limiting plate (9), the concave limiting plate (9) is sleeved on the outer side of the cover (3) and the cover (4).

2. A seal lock structure for a pressure vessel according to claim 1, wherein: The sealing rubber ring (14) is respectively connected with the cover (3) and the cover (4) through the fixed pipe (13) and the groove (15) to form a clamping limiting structure, and the cover (3) is connected with the cover (4) through the bolt (5) and the nut (6) to form a screw locking structure.

3. The seal lock structure of a pressure vessel according to claim 1, wherein: The air inlet pipe (11) and the exhaust pipe (12) are respectively connected with the fixed pipe (13) to form a screw locking structure, and the rubber sleeve (16) is also connected with the fixed pipe (13) to form a screw locking structure.

4. The seal lock structure of a pressure vessel according to claim 1, wherein: The concave limiting plate (9) is penetrated in the clamping groove through the clamping block (8) and is connected with the cover (3) and the cover (4) to form a clamping limiting structure.

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