Sealing device of stirring kettle

Abstract

The utility model belongs to the technical field of stirring kettles, and particularly relates to a sealing device of a stirring kettle, which comprises a shaft sleeve, a sealing component and a positioning component are respectively arranged on the outer surface of the shaft sleeve, and the positioning component is positioned at the bottom of the sealing component; through the structural design of the sealing assembly, the push ring is pushed into the clamping groove to achieve the internal sealing function, the sealing structure is composed of the movable ring and the static ring, then spring loading is conducted to achieve tight attachment, the problem of instability in the working process is solved, meanwhile, the sealing gasket is arranged at the bottom of the push ring, and the sealing effect is improved; through the structural design that the positioning assembly is arranged, the second magnet extends into the fixing groove and is magnetically attracted with the first magnet, the external sealing function is achieved, the sealing effect is enhanced, the water injection hole is formed in the top of the shaft sleeve, the cooling problem of the sealing structure is solved, and the stability and adaptability of the sealing structure in the working process are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring kettles, in particular to a sealing device for stirring kettles. Background Art

[0002] A stirred tank is broadly understood as a container for physical or chemical reactions. Through the structural design and parameter configuration of the container, the heating, evaporation, cooling and low-speed mixing functions required by the process are achieved in the same way as the performance principle of the reactor. The sealing between the stirred tank and the stirring shaft is extremely important, which can ensure that the material does not leak during the reaction and improve the cleanliness and safety of the reactor.

[0003] In the utility model patent with announcement number CN218063385U and patent name "A mechanical sealing device for a reactor", a sealing component is arranged at the connection position between the shaft and the reactor. The shaft is a stepped shaft, and the stepped shaft cooperates with the stepped hole of the sealing component. The bottom of the sealing component is embedded in the top of the reactor through a clamping ring. The connection position between the shaft and the reactor is closed by the clamping ring and the stepped hole to prevent the liquid inside the reactor from splashing out from the connection gap between the shaft and the reactor during stirring, thereby improving the sealing effect.

[0004] However, the device still has certain shortcomings during use. Since the stepped shaft and the stepped hole of the sealing component cooperate, there is only this kind of sealing structure, and the sealing effect is not strong. The embedded connection is not convenient for disassembly during work, and it is still prone to instability, especially in high-temperature working environments. At the same time, the device cannot cool the sealing structure, which reduces its practicality.

[0005] Therefore, in view of the above problems, a sealing device for a stirring tank is proposed. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art, due to the cooperation between the stepped shaft and the stepped hole of the sealing component, there is only this kind of sealing structure, the sealing effect is not strong, the embedded connection is not convenient to disassemble during work, and it is still prone to instability, especially in a high-temperature working environment. At the same time, the device cannot cool the sealing structure, which reduces the practicality. The utility model proposes a sealing device for a stirring kettle.

[0007] The utility model solves the technical problem by adopting the following technical solution: a sealing device for a stirring kettle, comprising a shaft sleeve, the outer surface of which is respectively provided with a sealing component and a positioning component, and the positioning component is located at the bottom of the sealing component;

[0008] The sealing assembly includes a mounting gland on the outer surface of the sleeve. The mounting gland is slidably connected to the sleeve. The bottom of the mounting gland is successively provided with a mounting groove and a connecting groove, and the mounting groove communicates with the connecting groove. A stationary ring is snap-fitted in the mounting groove, and a moving ring is snap-fitted in the connecting groove. The stationary ring and the moving ring are in contact with each other.

[0009] The positioning assembly includes a positioning ring on the outer surface of the sleeve. The positioning ring is located at the bottom of the mounting gland. A clamping groove and a fixing groove are respectively provided at the top of the positioning ring. A first magnet is fixedly connected in the fixing groove, and a second magnet is fixedly connected to the bottom of the mounting gland.

[0010] Preferably, the second magnet is located on the side of the connecting groove. The positioning ring and the mounting gland are both made of alloy. The second magnet is opposite to the positioning ring in position, and the second magnet extends into the fixing groove and is magnetically attracted to the first magnet.

[0011] Preferably, a first sealing ring and a second sealing ring are respectively fixedly connected to the outer surfaces of the stationary ring and the moving ring. The moving ring is located at the bottom of the stationary ring. A push ring is fixedly connected to the bottom of the moving ring, and the push ring extends into the clamping groove and is snap-fitted with the clamping groove.

[0012] Preferably, a fixing rod is provided at the bottom of the positioning ring. The fixing rod penetrates through the positioning ring and extends into the push ring, and the fixing rod is threadedly connected to the positioning ring.

[0013] Preferably, a temperature sensor is fixedly connected to the bottom of the positioning ring. The temperature sensor is located on the side of the sleeve.

[0014] Preferably, four water injection holes are provided at the top of the sleeve, and the four water injection holes are arranged in a circular array with the center position of the top of the sleeve.

[0015] Preferably, a spring is sleeved on the outer surface of the sleeve. The spring is located between the mounting gland and the positioning ring.

[0016] Preferably, a sealing gasket is fixedly connected to the bottom of the push ring. The sealing gasket abuts against the positioning ring.

[0017] Preferably, the first sealing ring and the second sealing ring are both made of rubber, and the size of the first sealing ring is smaller than that of the second sealing ring.

[0018] Preferably, there are four fixing rods, and the four fixing rods are of the same size.

[0019] The beneficial effects of the present utility model are as follows:

[0020] 1. The utility model realizes the function of internal sealing by setting the structure of the sealing component. The push ring is pushed into the clamping groove to achieve the internal sealing function. The sealing structure is composed of a moving ring and a static ring, and then spring loading is used to achieve tight fitting, solving the problem of instability during work. At the same time, a sealing gasket is arranged at the bottom of the push ring to improve the sealing effect.

[0021] 2. The utility model realizes the function of external sealing by setting the structure of the positioning component. The second magnet extends into the fixing groove and is magnetically attracted to the first magnet, enhancing the sealing effect. A water injection hole is provided at the top of the shaft sleeve to solve the problem of cooling the sealing structure, improving the stability and adaptability of the sealing structure during work. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0023] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0024] Figure 2 is a schematic diagram of the bottom structure of the present utility model;

[0025] Figure 3 is a schematic diagram of the exploded structure of the sealing component of the present utility model;

[0026] Figure 4 is a schematic diagram of the exploded structure of the positioning component of the present utility model.

[0027] In the figure: 1, shaft sleeve; 2, sealing component; 201, mounting gland; 202, mounting groove; 203, connecting groove; 204, static ring; 205, first sealing ring; 206, moving ring; 207, second sealing ring; 208, push ring; 209, sealing gasket; 3, positioning component; 301, positioning ring; 302, fixing groove; 303, first magnet; 304, second magnet; 305, fixing rod; 306, clamping groove; 4, spring; 5, water injection hole; 6, temperature sensor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] The following will further describe the present application in detail Figure 1 - Figure 4 and make a further detailed description of the present application.

[0030] An embodiment of the present application discloses a sealing device for a stirring kettle. Referring to Figure 1 and Figure 4 , a sealing device for a stirring kettle includes a shaft sleeve 1; a sealing component 2 and a positioning component 3 are respectively arranged on the outer surface of the shaft sleeve 1, and the positioning component 3 is located at the bottom of the sealing component 2.

[0031] Referring to Figure 1 , Figure 2 and Figure 3 , the sealing component 2 includes a mounting gland 201 on the outer surface of the shaft sleeve 1. The mounting gland 201 is slidably connected to the shaft sleeve 1. An installation groove 202 and a connection groove 203 are respectively formed at the bottom of the mounting gland 201. The installation groove 202 and the connection groove 203 are communicated. A static ring 204 is clamped in the installation groove 202, and a dynamic ring 206 is clamped in the connection groove 203. The static ring 204 and the dynamic ring 206 are in contact with each other. The combination of the dynamic ring 206 and the static ring 204 solves the problem of instability during work.

[0032] First sealing rings 205 and second sealing rings 207 are respectively fixedly connected to the outer surfaces of the static ring 204 and the dynamic ring 206. The dynamic ring 206 is located at the bottom of the static ring 204. A push ring 208 is fixedly connected to the bottom of the dynamic ring 206. The push ring 208 extends into the card slot 306 and is clamped with the card slot 306. A spring 4 is sleeved on the outer surface of the shaft sleeve 1. The spring 4 is located between the mounting gland 201 and the positioning ring 301, and the spring 4 is loaded to achieve a tight fit.

[0033] A sealing gasket 209 is fixedly connected to the bottom of the push ring 208. The sealing gasket 209 abuts against the positioning ring 301. The push ring 208 improves the sealing performance with the clamping connection 306 through the sealing gasket 209.

[0034] The materials of the first sealing ring 205 and the second sealing ring 207 are both rubber. The size of the first sealing ring 205 is smaller than that of the second sealing ring 207, which improves the sealing performance during work.

[0035] Referring to Figure 1 , Figure 2 and Figure 4, the positioning component 3 includes a positioning ring 301 on the outer surface of the bushing 1. The positioning ring 301 is located at the bottom of the mounting gland 201. A card slot 306 and a fixing slot 302 are respectively provided at the top of the positioning ring 301. A first magnet 303 is fixedly connected in the fixing slot 302. A second magnet 304 is fixedly connected to the bottom of the mounting gland 201. The cooperation of the first magnet 303 and the second magnet 304 improves the sealing effect.

[0036] The second magnet 304 is located on the side of the connecting slot 203. The materials of the positioning ring 301 and the mounting gland 201 are both alloys. The second magnet 304 is opposite to the positioning ring 301 in position. The second magnet 304 extends into the fixing slot 302 and is magnetically attracted to the first magnet 303, which is convenient for sealing and also convenient for disassembly.

[0037] A fixing rod 305 is provided at the bottom of the positioning ring 301. The fixing rod 305 penetrates through the positioning ring 301 and extends into the push ring 208. The fixing rod 305 is threadedly connected to the positioning ring 301.

[0038] A temperature sensor 6 is fixedly connected to the bottom of the positioning ring 301. The temperature sensor 6 is located on the side of the bushing 1, which is convenient for understanding the temperature of the bushing 1 and making a cooling operation in time.

[0039] Four water injection holes 5 are provided at the top of the bushing 1. The four water injection holes 5 are arranged in a circular array with the center position of the top of the bushing 1, which is convenient for cooling the bushing 1 and other structures.

[0040] There are four fixing rods 305. The four fixing rods 305 are of the same size. The four fixing rods 305 improve the stability during the sealing process.

[0041] Working principle: First, check whether the device is in normal use. Install the bushing 1 in a suitable working area. Push the push ring 208 into the card slot 306. At the same time, the second magnet 304 extends into the fixing slot 302. Then, during the work, the sealing problem between the stirring kettle and the stirring shaft is solved, ensuring that the materials do not leak during the reaction process, improving the cleanliness and safety of the reaction kettle. The sealing structure is composed of a dynamic ring 206 and a static ring 204, and then the spring 4 is loaded to achieve a tight fit, solving the problem of instability during the work. At the same time, a sealing gasket 209 is provided at the bottom of the push ring. First sealing rings 205 and second sealing rings 207 are provided on the outer surfaces of the static ring 204 and the dynamic ring 206, which improves the sealing effect. A temperature sensor 6 is provided at the bottom of the positioning ring 301, which can understand the temperature of the sealing structure during work. Inject water into the water injection holes 5 to cool the bushing 1 and the sealing structure, improving the stability and adaptability of the device during work.

[0042] The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. A sealing device for a stirring kettle, comprising a shaft sleeve (1); characterized in that: A sealing component (2) and a positioning component (3) are respectively arranged on the outer surface of the bushing (1), and the positioning component (3) is located at the bottom of the sealing component (2). The sealing component (2) includes a mounting gland (201) on the outer surface of the bushing (1). The mounting gland (201) is slidably connected to the bushing (1). An installation groove (202) and a connection groove (203) are successively formed at the bottom of the mounting gland (201). The installation groove (202) and the connection groove (203) are communicated. A stationary ring (204) is clamped in the installation groove (202), and a moving ring (206) is clamped in the connection groove (203). The stationary ring (204) and the moving ring (206) are in contact with each other. The positioning component (3) includes a positioning ring (301) on the outer surface of the bushing (1). The positioning ring (301) is located at the bottom of the mounting gland (201). A clamping groove (306) and a fixing groove (302) are respectively formed at the top of the positioning ring (301). A first magnet (303) is fixedly connected in the fixing groove (302), and a second magnet (304) is fixedly connected to the bottom of the mounting gland (201).

2. The sealing device of a stirring kettle according to claim 1, characterized in that: The second magnet (304) is located on the side of the connection groove (203). The positioning ring (301) and the mounting gland (201) are both made of alloy. The second magnet (304) is opposite to the positioning ring (301) in position. The second magnet (304) extends into the fixing groove (302) and is magnetically attracted to the first magnet (303).

3. The sealing device of a stirring kettle according to claim 1, characterized in that: First sealing rings (205) and second sealing rings (207) are respectively fixedly connected to the outer surfaces of the stationary ring (204) and the moving ring (206). The moving ring (206) is located at the bottom of the stationary ring (204). A pushing ring (208) is fixedly connected to the bottom of the moving ring (206). The pushing ring (208) extends into the clamping groove (306) and is clamped with the clamping groove (306).

4. The sealing device of a stirring kettle according to claim 1, wherein: A fixing rod (305) is arranged at the bottom of the positioning ring (301). The fixing rod (305) penetrates through the positioning ring (301) and extends into the pushing ring (208). The fixing rod (305) is threadedly connected to the positioning ring (301).

5. The sealing device of a stirring kettle according to claim 1, characterized in that: A temperature sensor (6) is fixedly connected to the bottom of the positioning ring (301). The temperature sensor (6) is located on the side of the bushing (1).

6. The sealing device of a stirring kettle according to claim 1, characterized in that: Four water injection holes (5) are formed at the top of the bushing (1). The four water injection holes (5) are annularly arrayed with respect to the central position at the top of the bushing (1).

7. The sealing device of a stirring kettle according to claim 1, characterized in that: A spring (4) is sleeved on the outer surface of the bushing (1). The spring (4) is located between the mounting gland (201) and the positioning ring (301).

8. The sealing device of a stirring kettle according to claim 3, characterized in that: A sealing pad (209) is fixedly connected to the bottom of the pushing ring (208). The sealing pad (209) abuts against the positioning ring (301).

9. The sealing device of a stirring kettle according to claim 3, characterized in that: The first sealing rings (205) and the second sealing rings (207) are both made of rubber. The size of the first sealing ring (205) is smaller than that of the second sealing ring (207).

10. The sealing device of a stirring kettle according to claim 4, characterized in that: Four fixing rods (305) are provided. The four fixing rods (305) are of the same size.

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