Automatic rapid sealing device

Abstract

The utility model is applicable to the technical field of sealing devices, and provides an automatic quick sealing device, which comprises a flange, a locking nut, a sealing ring and an air cylinder, a piston rod is fixed at the output end of the air cylinder, one end of the piston rod is connected with the locking nut, and the flange is connected with the air cylinder through a fixing seat. According to the automatic rapid sealing device, the air cylinder drives the piston rod to move in the direction close to the flange in a pneumatic mode, the piston rod drives the locking nut to move, and the locking nut can extrude the sealing ring in the mode that the locking nut moves and is matched with the flange, so that the sealing ring is slightly deformed after being extruded, and the sealing effect is improved. Therefore, the sealing function of the device is achieved, consistency of sealing conditions is completed, meanwhile, the self-locking sealing function of the device is achieved, a traditional manual locking sealing mode is replaced, the production efficiency is effectively improved, the self-locking sealing performance is stable, the reject ratio in the product production process is reduced, and the production cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of sealing devices, and particularly relates to an automatic rapid sealing device. Background Art

[0002] At present, there are many methods for degassing and sealing devices in the market. Some are automated sealing and some are completed by manual sealing. However, in a day's work, manual labor cannot produce more products per unit time, nor can it achieve the consistency of sealing conditions.

[0003] Such as Figure 1 As shown, the traditional sealing device realizes the fixed connection between the flange and the locking nut through manual means. It cannot produce more products per unit time, nor can it achieve the consistency of sealing conditions, resulting in poor sealing performance of the device and low production efficiency.

[0004] Therefore, in view of the above situation, there is an urgent need to develop an automatic rapid sealing device to overcome the deficiencies in current practical applications. Summary of the Utility Model

[0005] Aiming at the deficiencies of the existing technology, the purpose of the embodiment of the present utility model is to provide an automatic rapid sealing device to solve the problems in the above background art.

[0006] To achieve the above purpose, the present utility model provides the following technical solutions:

[0007] An automatic rapid sealing device includes a flange, a locking nut and a sealing ring. The sealing ring is installed in the locking nut. One end of the flange extends into the locking nut and abuts against the sealing ring. The flange is a connecting piece used to connect with external equipment. It further includes:

[0008] A cylinder, on the output end of which a piston rod is fixed. The piston rod is hollow inside. The flange and the locking nut are respectively arranged on both sides of the cylinder. One end of the flange passes through the piston rod and extends into the locking nut. And one end of the piston rod is provided with a thread that matches the locking nut. The cylinder drives the piston rod to move towards the flange by pneumatic means. The piston rod drives the locking nut to move. The locking nut squeezes the sealing ring by moving and cooperating with the flange. The sealing ring realizes self-locking sealing of the device by being deformed by extrusion.

[0009] A fixed seat, which is arranged on the side of the cylinder close to the flange. Both sides of the fixed seat are connected to the cylinder and the flange respectively. The flange is connected to the cylinder through the fixed seat.

[0010] As a further technical solution of the present utility model, a thread is provided at one end of the flange away from the locking nut, and the thread is matched with the thread groove provided in the fixed seat to realize the connection among the flange, the fixed seat and the cylinder.

[0011] As a further technical solution of the present utility model, two throttle valves are further installed on one side of the cylinder, and the throttle valves adjust the movement speed of the cylinder by adjusting the gas flow rate.

[0012] As a further technical solution of the present utility model, a limiting hole and a flow-limiting hole are respectively provided inside the flange. The limiting hole is used to ensure the consistency of the positions of the flange and the sealing ring, and the flow-limiting hole is used to limit the internal flow rate of the product in the vacuum state.

[0013] As a further technical solution of the present utility model, an installation hole and a threaded hole are successively provided inside the locking nut. The installation hole is communicated with the threaded hole. The installation hole is used for installing the sealing ring, and the threaded hole is matched with the thread provided at one end of the piston rod.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] The cylinder drives the piston rod to move towards the flange by means of pneumatic pressure. The piston rod drives the locking nut to move. The locking nut can squeeze the sealing ring through movement and cooperation with the flange, so that the sealing ring is slightly deformed under extrusion, thereby realizing the sealing function of the device, completing the consistency of the sealing conditions, and at the same time realizing the self-locking sealing function of the device, replacing the traditional manual locking and sealing method, effectively improving the production efficiency, and having stable self-locking sealing performance, reducing the defective rate during the product production process and reducing the production cost.

[0016] To more clearly illustrate the structural features and functions of the present utility model, the present utility model will be described in detail below with reference to the drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an exploded view of the structure of a traditional sealing device.

[0018] Figure 2 It is an assembled view of the structure of the automatic rapid sealing device provided by the embodiment of the present utility model.

[0019] Figure 3 It is an exploded view of the structure of the automatic rapid sealing device provided by the embodiment of the present utility model.

[0020] Reference numerals: 1 - cylinder, 2 - throttle valve, 3 - fixed seat, 4 - flange, 5 - locking nut, 51 - installation hole, 52 - threaded hole, 6 - sealing ring, 7 - piston rod. Detailed implementation manners

[0021] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0022] The following describes in detail the specific implementation of the present utility model with reference to specific embodiments.

[0023] As Figures 1 to 3 shown, as an automatic rapid sealing device provided by an embodiment of the present utility model, it includes a flange 4, a locking nut 5 and a sealing ring 6. The sealing ring 6 is installed in the locking nut 5. One end of the flange 4 extends into the locking nut 5 and abuts against the sealing ring 6. The flange 4 is a connecting piece used to connect with external equipment, and a vacuum cavity is added inside it, which can improve the vacuum degree of the device. It further includes:

[0024] A cylinder 1, a piston rod 7 is fixed on the output end of the cylinder 1. The inside of the piston rod 7 is hollow. The flange 4 and the locking nut 5 are respectively arranged on both sides of the cylinder 1. One end of the flange 4 passes through the piston rod 7 and extends into the locking nut 5. And one end of the piston rod 7 is provided with a thread that matches the locking nut 5. The cylinder 1 drives the piston rod 7 to move towards the direction close to the flange 4 in a pneumatic manner. The piston rod 7 drives the locking nut 5 to move. The locking nut 5 can squeeze the sealing ring 6 through movement and cooperation with the flange 4, so that the sealing ring 6 is slightly deformed under extrusion, thereby realizing the sealing function of the device, completing the consistency of the sealing conditions, and at the same time realizing the self-locking sealing function of the device, replacing the traditional manual locking and sealing method, effectively improving the production efficiency, and the self-locking sealing performance is stable, reducing the defective rate during the product production process and reducing the production cost;

[0025] A fixing seat 3, the fixing seat 3 is arranged on the side of the cylinder 1 close to the flange 4. Both sides of the fixing seat 3 are connected to the cylinder 1 and the flange 4 respectively. The flange 4 is connected to the cylinder 1 through the fixing seat 3.

[0026] As Figure 2 and Figure 3 shown, as a preferred embodiment of the present utility model, a thread is provided at one end of the flange 4 away from the locking nut 5, and the thread matches the thread groove provided in the fixing seat 3, so as to realize the connection between the flange 4, the fixing seat 3 and the cylinder 1, ensure the installation stability of the flange 4, and further ensure the sealing performance of the device.

[0027] As Figure 2 and Figure 3As shown, as a preferred embodiment of the present utility model, two throttle valves 2 are further installed on one side of the cylinder 1. The throttle valves 2 adjust the movement speed of the cylinder 1 by regulating the gas flow rate, so that when the cylinder 1 drives the locking nut 5 to move, it can ensure that the sealing ring 6 is slowly squeezed, avoiding excessive squeezing of the sealing ring 6, thereby prolonging the service life of the sealing ring 6 and improving the sealing performance of the device.

[0028] As Figure 2 and Figure 3 shown, as a preferred embodiment of the present utility model, a limiting hole and a flow-limiting hole are respectively provided inside the flange 4. The limiting hole is used to ensure the consistency of the positions of the flange 4 and the sealing ring 6, and the flow-limiting hole is used to limit the internal flow rate of the product in the vacuum state.

[0029] As Figure 2 and Figure 3 shown, as a preferred embodiment of the present utility model, an installation hole 51 and a threaded hole 52 are sequentially provided inside the locking nut 5. The installation hole 51 communicates with the threaded hole 52. The installation hole 51 is used for installing the sealing ring 6. The threaded hole 52 is matched with the thread provided at one end of the piston rod 7. The threaded hole 52 can realize the connection between the locking nut 5 and the piston rod 7 by being matched with the thread, so that the locking nut 5 can move synchronously with the piston rod 7, thereby realizing the self-locking sealing function of the device.

[0030] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An automatic quick-sealing device, comprising a flange, a locking nut and a sealing ring. The sealing ring is installed inside the locking nut. One end of the flange extends into the locking nut and abuts against the sealing ring. The flange is a connecting piece used to connect with external equipment, and is characterized in that, Further comprising: A cylinder, on the output end of which a piston rod is fixed. The piston rod is hollow inside. The flange and the lock nut are respectively arranged on both sides of the cylinder. One end of the flange passes through the piston rod and extends into the lock nut, and one end of the piston rod is provided with a thread that cooperates with the lock nut. The cylinder drives the piston rod to move towards the flange by means of pneumatic action. The piston rod drives the lock nut to move, and the lock nut squeezes the sealing ring by moving and cooperating with the flange. The sealing ring realizes the self-locking seal of the device by being deformed by extrusion; A fixed seat, which is arranged on the side of the cylinder close to the flange. Both sides of the fixed seat are connected to the cylinder and the flange respectively. The flange is connected to the cylinder through the fixed seat.

2. The automatic quick-sealing device according to claim 1, wherein One end of the flange away from the lock nut is provided with a thread, and the thread cooperates with the thread groove provided in the fixed seat to realize the connection between the flange, the fixed seat and the cylinder.

3. The automatic rapid sealing device according to claim 1, characterized in that, Two throttle valves are further installed on one side of the cylinder. The throttle valves adjust the movement speed of the cylinder by adjusting the gas flow rate.

4. The automatic rapid sealing device according to claim 1, characterized in that, The flange is internally provided with a limit hole and a flow-limiting hole respectively. The limit hole is used to ensure the consistency of the positions of the flange and the sealing ring, and the flow-limiting hole is used to limit the internal flow rate of the product in the vacuum state.

5. The automatic rapid sealing device according to claim 1, characterized in that, The inside of the lock nut is successively provided with a mounting hole and a threaded hole. The mounting hole and the threaded hole are communicated with each other. The mounting hole is used for installing the sealing ring, and the threaded hole cooperates with the thread provided at one end of the piston rod.

Images