Gel production filling device

By designing a quantitative and adjustment mechanism for the gel production and filling device, the problem of manual alignment during gel filling was solved, achieving automated filling, reducing waste, and improving efficiency and accuracy.

CN224105540UActive Publication Date: 2026-04-10HESHI BIOTECHNOLOGY (CHONGQING) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HESHI BIOTECHNOLOGY (CHONGQING) CO LTD
Filing Date
2025-05-22
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

During gel production, the filling operation requires workers to accurately align the container opening with the filling nozzle; otherwise, gel leakage and waste are likely to occur.

Method used

A gel production and filling device was designed, which includes a worktable, a metering mechanism and an adjustment mechanism. The metering mechanism enables precise filling, and the adjustment mechanism regulates the injection volume, thus avoiding manual alignment.

Benefits of technology

It achieves automated gel filling, reduces gel waste caused by human error, and improves filling efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of gel production, and particularly relates to a gel production filling device which comprises a working table, a quantifying mechanism is arranged on the surface of the working table, an adjusting mechanism is arranged at the top of the working table, the quantifying mechanism comprises a storage barrel, the storage barrel is located at the top of the working table, and the adjusting mechanism is arranged at the top of the working table. Two fixing plates are fixedly connected to the surface of the storage barrel; the number of the fixing plates is two; the working table, the quantifying mechanism and the adjusting mechanism are used in cooperation, quantitative gel is injected into a container through cooperation of the working table and the quantifying mechanism, the injection amount can be adjusted through the adjusting mechanism, the device is suitable for the injection amount of the gel in different containers, and the situation that a worker makes contact with a filling opening generally, so that the filling efficiency is improved is avoided. The problems that workers need to keep mental concentration all the time, if the workers are not aligned with the filling opening, the gel flows out, and waste is caused are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of gel production, and specifically relates to a gel production filling device. BACKGROUND

[0002] The colloidal particles or macromolecules in sol or solution are connected to each other under certain conditions to form a spatial network structure, and the structure gap is filled with liquid (or gas in dry gel, which is also called aerogel) as a dispersion medium, and such a special dispersion system is called gel, and a filling device is generally used in the gel production process.

[0003] After the gel production is completed, the filling work is carried out, the gel is filled in the container for storage, the worker generally contacts the container opening with the filling opening, and then the gel is sprayed out of the filling opening, so that the worker needs to concentrate at all times, and if the filling opening is not aligned, the gel will flow out, causing waste. UTILITY MODEL CONTENT

[0004] In order to make up for the deficiencies of the prior art, the worker generally contacts the container opening with the filling opening, and then the gel is sprayed out of the filling opening, so that the worker needs to concentrate at all times, and if the filling opening is not aligned, the gel will flow out, causing waste.

[0005] The utility model solves the technical scheme that adopts: a gel production filling device, including the workbench, the surface of workbench is provided with the ration mechanism, the top of workbench is provided with the adjusting mechanism,

[0006] The ration mechanism includes a storage barrel, the storage barrel is located at the top of the workbench, the surface of the storage barrel is fixedly connected with a fixed plate, the number of the fixed plate is two, the bottom of the fixed plate is fixedly connected with the surface of the workbench, the top of the storage barrel is fixedly connected with a feeding pipe, the inner cavity of the storage barrel is fixedly connected with a gas cylinder, the telescopic end of the gas cylinder is fixedly connected with a piston, the bottom of the storage barrel is fixedly connected with a first connecting pipe, the inner cavity of the storage barrel is movably connected with a second movable plate, the surface of the workbench is fixedly connected with a motor, the output end of the motor penetrates the inner cavity of the workbench and is fixedly connected with a first gear, the surface of the first gear is meshedly connected with a second gear, the inner cavity of the second gear is fixedly connected with a movable column, the surface of the movable column is fixedly connected with the surface of the workbench through a bearing, and one end of the movable column is fixedly connected with the bottom of the second movable plate.

[0007] As preferred, the inner cavity of the second movable plate is fixedly connected with a second connecting pipe, the number of the second connecting pipe is two, the inner cavity of the second connecting pipe is communicated with the inner cavity of the first connecting pipe, the surface of the two second connecting pipes is commonly movably connected with a first movable plate, the inner cavity of the first movable plate is movably connected with the surface of the movable column, the bottom of the first movable plate is fixedly communicated with two filling bins, the inner cavity of the filling bin is communicated with the inner cavity of the second connecting pipe, the surface of the filling bin is fixedly connected with a fixing frame, the inner cavity of the fixing frame is fixedly connected with a first rotating shaft, the surface of the first rotating shaft is movably connected with a movable block, the surface of the movable block is fixedly connected with a sealing cover and a movable rod, the surface of the sealing cover is movably connected with the surface of the filling bin, the surface of the first rotating shaft is sleeved with a first torsional spring, the number of the first torsional spring is two, one end of the first torsional spring is fixedly connected with the surface of the movable block, the other end of the first torsional spring is fixedly connected with the surface of the fixing frame.

[0008] As preferred, the inner cavity of the storage bucket is fixedly connected with a limiting ring, the surface of the limiting ring is movably connected with the inner cavity of the second movable plate.

[0009] As preferred, the bottom of the first movable plate is fixedly connected with a guide block, the surface of the guide block is arranged in high and low, the surface of the guide block is movably connected with the surface of the movable rod, the inner cavity of the guide block is fixedly connected with a fixed column, the surface of the fixed column is fixedly connected with a fixed ring, the inner cavity of the fixed column is movably connected with the surface of the movable column.

[0010] As preferred, the adjusting mechanism comprises a first support frame, the bottom of the first support frame is fixedly connected with the surface of the workbench, the inner cavity of the first support frame is movably connected with the inner cavity of the movable column, the surface of the first support frame is fixedly connected with a support block, the inner cavity of the support block is movably connected with a rotating column, one end of the rotating column is fixedly connected with a rotating block, the other end of the rotating column is fixedly connected with a third gear, the surface of the third gear is meshingly connected with a toothed column, the surface of the toothed column is fixedly connected with a second support frame, the surface of the second support frame is movably connected with the inner cavity of the fixed ring, the top of the second support frame is fixedly connected with the bottom of the guide block.

[0011] As preferred, the surface of the rotating column is fixedly connected with a ratchet wheel, the surface of the support block is fixedly connected with a fixed frame, the inner cavity of the fixed frame is fixedly connected with a second rotating shaft, the surface of the second rotating shaft is movably connected with a clamping strip, the surface of the clamping strip is movably connected with the surface of the ratchet wheel.

[0012] As preferred, the surface of the second rotating shaft is sleeved with a second torsional spring, one end of the second torsional spring is fixedly connected with the surface of the clamping strip, the other end of the second torsional spring is fixedly connected with the inner cavity of the fixed frame.

[0013] The utility model discloses the beneficial effect lies in:

[0014] The utility model discloses the cooperation of work table, ration mechanism and adjusting mechanism is used, by the cooperation of work table and ration mechanism, the ration gel is injected into the container, also can be adjusted the injection amount by adjusting mechanism, is applicable to the injection amount of different container gel, avoids the general worker and the filling port contact with the container mouth, then by filling port, the gel is spouted, like this, the worker needs the spirit concentration all the time, if not aiming at the filling port, then will cause the gel to flow out, causes the waste phenomenon problem. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be to the embodiment or prior art description needed to use the drawing briefly introduced, obviously, the following description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the movable column structure schematic diagram of the utility model;

[0018] Figure 3 It is the storage bucket section structure schematic diagram of the utility model;

[0019] Figure 4 It is the first movable plate structure schematic diagram of the utility model;

[0020] Figure 5 It is the filling bin structure schematic diagram of the utility model;

[0021] Figure 6 It is the support frame structure schematic diagram of the utility model;

[0022] Figure 7 It is the ratchet structure schematic diagram of the utility model.

[0023] In the figure: 1, workbench; 2, quantitative mechanism; 201, motor; 202, first gear; 203, second gear; 204, fixed frame; 205, movable column; 206, fixed ring; 207, sealing cover; 208, filling bin; 209, first movable plate; 210, second movable plate; 211, fixed column; 212, guide block; 213, storage bucket; 214, feeding pipe; 215, air cylinder; 216, piston; 217, limiting ring; 218, first connecting pipe; 219, second connecting pipe; 220, fixed plate; 221, movable block; 222, movable rod; 223, first rotating shaft; 224, first torsional spring; 3, adjusting mechanism; 301, rotating block; 302, first support frame; 303, support block; 304, ratchet wheel; 305, toothed column; 306, third gear; 307, rotating column; 308, fixed frame; 309, second rotating shaft; 310, second torsional spring; 311, clamping strip; 312, second support frame. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] The following will be described in detail with reference to the drawings in the embodiments of the present application. Figures 1-7 The present application will be described in further detail,

[0026] The embodiments of the present application disclose a gel production filling device. Referring to Figure 1 and Figure 7 A gel production filling device, comprising a workbench 1, the surface of the workbench 1 is provided with a quantitative mechanism 2, and the top of the workbench 1 is provided with an adjusting mechanism 3.

[0027] The quantitative mechanism 2 comprises a storage barrel 213 located on the top of the workbench 1, the surface of the storage barrel 213 is fixedly connected with a fixed plate 220, the number of the fixed plate 220 is two, the bottom of the fixed plate 220 is fixedly connected with the surface of the workbench 1, the top of the storage barrel 213 is fixedly connected with an inlet pipe 214, the inner cavity of the storage barrel 213 is fixedly connected with an air cylinder 215, the telescopic end of the air cylinder 215 is fixedly connected with a piston 216, the bottom of the storage barrel 213 is fixedly connected with a first connecting pipe 218, the inner cavity of the storage barrel 213 is movably connected with a second movable plate 210, the surface of the workbench 1 is fixedly connected with a motor 201, the output end of the motor 201 penetrates through the inner cavity of the workbench 1 and is fixedly connected with a first gear 202, the surface of the first gear 202 is meshedly connected with a second gear 203, the inner cavity of the second gear 203 is fixedly connected with a movable column 205, the surface of the movable column 205 is fixedly connected with the surface of the workbench 1 through a bearing, and one end of the movable column 205 is fixedly connected with the bottom of the second movable plate 210.

[0028] With reference to Figure 3 , Figure 4 and Figure 5 , the inner cavity of the second movable plate 210 is fixedly connected with a second connecting pipe 219, the number of the second connecting pipe 219 is two, the inner cavities of the two second connecting pipes 219 are communicated with the inner cavity of the first connecting pipe 218, the surfaces of the two second connecting pipes 219 are movably connected with a first movable plate 209, the inner cavity of the first movable plate 209 is movably connected with the surface of the movable column 205, the bottom of the first movable plate 209 is fixedly connected with a filling bin 208, the number of the filling bin 208 is two, the inner cavities of the filling bins 208 are communicated with the inner cavities of the second connecting pipes 219, the surface of the filling bin 208 is fixedly connected with a fixed frame 204, the inner cavity of the fixed frame 204 is fixedly connected with a first rotating shaft 223, the surface of the first rotating shaft 223 is movably connected with a movable block 221, the surface of the movable block 221 is fixedly connected with a sealing cover 207 and a movable rod 222, the surface of the sealing cover 207 is movably connected with the surface of the filling bin 208, the surface of the first rotating shaft 223 is sleeved with a first torsional spring 224, the number of the first torsional spring 224 is two, one end of the first torsional spring 224 is fixedly connected with the surface of the movable block 221, the other end of the first torsional spring 224 is fixedly connected with the surface of the fixed frame 204, through cooperation of the fixed frame 204, the sealing cover 207, the filling bin 208, the first movable plate 209, the first connecting pipe 218, the second connecting pipe 219, the first torsional spring 224, the movable rod 222, the first rotating shaft 223 and the movable block 221, the gel inside the storage barrel 213 can be guided into the inner cavities of the second connecting pipe 219 and the filling bin 208 through the first connecting pipe 218, and finally injected into a container by the filling bin 208;

[0029] With reference to Figure 3The inner cavity of the storage bucket 213 is fixedly connected with a limiting ring 217, and the surface of the limiting ring 217 is movably connected with the inner cavity of the second movable plate 210. The limiting ring 217 is arranged to push the gel in the filling bin 208 when the cylinder 215 works, so that the gel is prevented from adhering to the inner wall of the filling bin 208 due to its own viscosity during filling;

[0030] With reference to Figure 4 and Figure 6 The bottom of the first movable plate 209 is fixedly connected with a guide block 212, the surface of the guide block 212 is arranged in a high-low manner, the surface of the guide block 212 is movably connected with the surface of the movable rod 222, the inner cavity of the guide block 212 is fixedly connected with a fixed column 211, the surface of the fixed column 211 is fixedly connected with a fixed ring 206, the inner cavity of the fixed column 211 is movably connected with the surface of the movable column 205, and the fixed ring 206, the fixed column 211 and the guide block 212 are used in cooperation. When the movable rod 222 is tightly slid on the surface of the guide block 212, the sealing cover 207 is tightly contacted with or separated from the filling bin 208 due to the high-low arrangement of the guide block 212.

[0031] With reference to Figure 2 , Figure 6 and Figure 7 The adjusting mechanism 3 comprises a first support frame 302, the bottom of the first support frame 302 is fixedly connected with the surface of the workbench 1, the inner cavity of the first support frame 302 is movably connected with the surface of the movable column 205, the surface of the first support frame 302 is fixedly connected with a support block 303, the inner cavity of the support block 303 is movably connected with a rotating column 307, one end of the rotating column 307 is fixedly connected with a rotating block 301, the other end of the rotating column 307 is fixedly connected with a third gear 306, the surface of the third gear 306 is meshingly connected with a toothed column 305, the surface of the toothed column 305 is fixedly connected with a second support frame 312, the surface of the second support frame 312 is movably connected with the inner cavity of the fixed ring 206, the top of the second support frame 312 is fixedly connected with the bottom of the guide block 212, and the rotating block 301, the first support frame 302, the support block 303, the toothed column 305, the third gear 306, the rotating column 307 and the second support frame 312 are used in cooperation. When the rotating block 301 is rotated, the third gear 306 is driven to rotate, the toothed column 305 is driven to move, and the first movable plate 209 is indirectly driven to move, so that the contact area of the second connecting pipe 219 and the inner cavity of the first movable plate 209 is adjusted, and the effect of adjusting the filling amount of the gel is achieved.

[0032] With reference to Figure 7The surface of the rotating column 307 is fixedly connected with a ratchet wheel 304, the surface of the supporting block 303 is fixedly connected with a fixed frame 308, the inner cavity of the fixed frame 308 is fixedly connected with a second rotating shaft 309, the surface of the second rotating shaft 309 is movably connected with a clamping strip 311, the surface of the clamping strip 311 is movably connected with the surface of the ratchet wheel 304, through cooperation of the ratchet wheel 304, the fixed frame 308, the second rotating shaft 309 and the clamping strip 311, when the clamping strip 311 is clamped with the surface of the ratchet wheel 304, the third gear 306 is indirectly avoided from rotating, so that the first movable plate 209 is avoided from falling due to gravity after being adjusted to a good position;

[0033] With reference to Figure 7 The surface of the second rotating shaft 309 is sleeved with a second torsion spring 310, one end of the second torsion spring 310 is fixedly connected with the surface of the clamping strip 311, the other end of the second torsion spring 310 is fixedly connected with the inner cavity of the fixed frame 308, through the second torsion spring 310, due to the elastic effect of the second torsion spring 310, the clamping strip 311 is always clamped with the surface of the ratchet wheel 304.

[0034] Working principle: when the gel needs to be filled, first through the inlet pipe 214 into the storage bucket 213 inside the gel, then the gel in the storage bucket 213 through the first connecting pipe 218 and the second connecting pipe 219 finally into the filling bin 208, then the motor 201 starts to work, through the output end of the motor 201 drives the first gear 202 rotation, through the first gear 202 and the second gear 203 meshing drive the second gear 203 rotation, through the second gear 203 drive the movable column 205 rotation, through the movable column 205 drive the second movable plate 210 rotation, through the second movable plate 210 drive the second connecting pipe 219 rotation, because the second connecting pipe 219 is located in the inner cavity of the first movable plate 209, so when the second connecting pipe 219 rotates, it can drive the first movable plate 209 to rotate, which is driven by the first movable plate 209 to rotate the filling bin 208, at this time one of the second connecting pipe 219 and the filling bin 208 inside has been filled with the gel needs to be filled, then the filling bin 208 drive the fixed frame 204 rotation, through the fixed frame 204 drive the sealing cover 207, movable rod 222 and movable block 221 movement, when the movable rod 222 on the filling bin 208 slides to the recess of the guide block 212, because the first torsional spring 224 drives the movable block 221 to rotate due to the elastic effect, through the movable block 221 drive the movable rod 222 and the surface of the guide block 212 closely, at this time the motor 201 stops working, at the same time the movable block 221 drives the sealing cover 207 away from the surface of the filling bin 208, at the same time the piston 216 will be driven by the telescopic end of the cylinder 215 to move in the inner cavity of the second connecting pipe 219 and the filling bin 208, and the gel in the inner cavity of the second connecting pipe 219 and the filling bin 208 is extruded into the filling tank, when one of the filling bin 208 is filling the filling tank, the other filling bin 208 is located in the first connecting pipe 218 position, the gel in the storage bucket 213 will flow into the inner cavity of the filling bin 208 through the first connecting pipe 218, so on and so forth, when the motor 201 works intermittently, the quantitative mechanism 2 can continue to fill the work, when the quantitative gel filling needs to be adjusted, first rotate the rotating block 301, through the rotating block 301 drive the rotating column 307 rotation, through the rotating column 307 drive the third gear 306 rotation, through the third gear 306 and the surface of the tooth column 305 gear mesh drive the tooth column 305 movement, through the tooth column 305 drive the second support frame 312 movement, through the second support frame 312 drive the fixed ring 206 movement, through the fixed ring 206 drive the fixed column 211 movement, then through the fixed column 211 drive the guide block 212 and the first movable plate 209 movement, through the first movable plate 209 movement in the surface of the second connecting pipe 219, through the second connecting pipe 219 and the first movable plate 209 inner cavity contact area to adjust the second connecting pipe 219, the first movable plate 209 and the filling bin 208 inner cavity total filling gel amount, so as to adjust the amount of gel filling,When the rotating column 307 rotates, the ratchet wheel 304 is also rotated, the elastic action of the second torsion spring 310 drives the clamping strip 311 to be always clamped with the surface of the ratchet wheel 304, and the rotating column 307 is prevented from rotating reversely.

[0035] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A gel production filling device comprising a worktable (1), characterized in that: The surface of the workbench (1) is provided with a quantitative mechanism (2), and the top of the workbench (1) is provided with an adjusting mechanism (3); The quantitative mechanism (2) comprises a storage barrel (213), the top of the workbench (1) is provided with the storage barrel (213), the surface of the storage barrel (213) is fixedly connected with a fixed plate (220), the number of the fixed plate (220) is two, the bottom of the fixed plate (220) is fixedly connected with the surface of the workbench (1), the top of the storage barrel (213) is fixedly communicated with a feeding pipe (214), the inner cavity of the storage barrel (213) is fixedly connected with a gas cylinder (215), the telescopic end of the gas cylinder (215) is fixedly connected with a piston (216), the bottom of the storage barrel (213) is fixedly communicated with a first connecting pipe (218), the inner cavity of the storage barrel (213) is movably connected with a second movable plate (210), the surface of the workbench (1) is fixedly connected with a motor (201), the output end of the motor (201) penetrates through the inner cavity of the workbench (1) and is fixedly connected with a first gear (202), the surface of the first gear (202) is meshedly connected with a second gear (203), the inner cavity of the second gear (203) is fixedly connected with a movable column (205), the surface of the movable column (205) is fixedly connected with the surface of the workbench (1) through a bearing, and one end of the movable column (205) is fixedly connected with the bottom of the second movable plate (210).

2. A gel production filling apparatus according to claim 1, wherein: The inner cavity of the second movable plate (210) is fixedly connected with a second connecting pipe (219), the number of the second connecting pipe (219) is two, the inner cavities of the second connecting pipes (219) are communicated with the inner cavity of the first connecting pipe (218), the surfaces of the two second connecting pipes (219) are movably connected with a first movable plate (209), the inner cavity of the first movable plate (209) is movably connected with the surface of the movable column (205), the bottom of the first movable plate (209) is fixedly communicated with a filling bin (208), the number of the filling bin (208) is two, the inner cavities of the filling bins (208) are communicated with the inner cavities of the second connecting pipes (219), the surface of the filling bin (208) is fixedly connected with a fixed frame (204), the inner cavity of the fixed frame (204) is fixedly connected with a first rotating shaft (223), the surface of the first rotating shaft (223) is movably connected with a movable block (221), the surface of the movable block (221) is fixedly connected with a sealing cover (207) and a movable rod (222), the surface of the sealing cover (207) is movably connected with the surface of the filling bin (208), the surface of the first rotating shaft (223) is sleeved with a first torsional spring (224), the number of the first torsional spring (224) is two, one end of the first torsional spring (224) is fixedly connected with the surface of the movable block (221), and the other end of the first torsional spring (224) is fixedly connected with the surface of the fixed frame (204).

3. A gel production and filling apparatus as claimed in claim 1, wherein: The inner cavity of the storage bucket (213) is fixedly connected with a limiting ring (217), and the surface of the limiting ring (217) is movably connected with the inner cavity of the second movable plate (210).

4. A gel production and filling apparatus as claimed in claim 2, wherein: The bottom of the first movable plate (209) is fixedly connected with a guide block (212), the surface of the guide block (212) is arranged in a high-low mode, the surface of the guide block (212) is movably connected with the surface of the movable rod (222), the inner cavity of the guide block (212) is fixedly connected with a fixed column (211), the surface of the fixed column (211) is fixedly connected with a fixed ring (206), and the inner cavity of the fixed column (211) is movably connected with the surface of the movable column (205).

5. A gel production and filling apparatus as defined in claim 1, wherein: The adjusting mechanism (3) comprises a first support frame (302), the bottom of the first support frame (302) is fixedly connected with the surface of the workbench (1), the inner cavity of the first support frame (302) is movably connected with the inner cavity of the movable column (205), the surface of the first support frame (302) is fixedly connected with a support block (303), the inner cavity of the support block (303) is movably connected with a rotating column (307), one end of the rotating column (307) is fixedly connected with a rotating block (301), the other end of the rotating column (307) is fixedly connected with a third gear (306), the surface of the third gear (306) is meshingly connected with a toothed column (305), the surface of the toothed column (305) is fixedly connected with a second support frame (312), the surface of the second support frame (312) is movably connected with the inner cavity of the fixed ring (206), and the top of the second support frame (312) is fixedly connected with the bottom of the guide block (212).

6. A gel production and filling apparatus as claimed in claim 5, wherein: The surface of the rotating column (307) is fixedly connected with a ratchet wheel (304), the surface of the support block (303) is fixedly connected with a fixed frame (308), the inner cavity of the fixed frame (308) is fixedly connected with a second rotating shaft (309), the surface of the second rotating shaft (309) is movably connected with a clamping strip (311), and the surface of the clamping strip (311) is movably connected with the surface of the ratchet wheel (304).

7. A gel production and filling apparatus as claimed in claim 6, characterised in that: The surface of the second rotating shaft (309) is sleeved with a second torsional spring (310), one end of the second torsional spring (310) is fixedly connected with the surface of the clamping strip (311), and the other end of the second torsional spring (310) is fixedly connected with the inner cavity of the fixed frame (308).