A closed type marinating processing device for marinated meat

Abstract

The application discloses a closed marinating processing device for marinated meat, and relates to the marinating processing field.The device comprises a base, the upper end surface of the base is fixedly connected with a bottom plate through four supporting legs, the upper end surface center of the bottom plate is fixedly connected with a cylinder, the center of the cylinder is rotationally connected with a support column through a sealing bearing, the upper end surface of the support column is fixedly connected with a cross-shaped clamping block, the lower end surface of a stirring shaft is provided with a clamping groove matched with the clamping block, the upper end surface center of the cylinder is fixedly connected with a horizontal plate, the horizontal plate center is slidingly connected with the stirring shaft, and the rear side of the horizontal plate is hingedly connected with a cover plate matched with the cylinder.The device can realize the synchronous heating of cold water to generate water vapor during the heating of marinating liquid, the water vapor drives the rotation of a turbine, the rotation of the turbine drives the rotation of the stirring shaft, the stirring shaft agitates the marinated meat, the marinated meat is fully contacted with the marinating liquid, and the marinating quality is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of stewing processing, more particularly to a closed stewing processing device for stewing meat. BACKGROUND

[0002] Stewed meat is a kind of stewed dish, which is cooked by placing the preliminarily processed and blanched raw materials in the prepared stewing liquid. Some stewed meat devices currently used have a relatively fixed structure, and a heating device is usually added below the tank body. The stewed meat is deposited at the bottom of the tank body, especially when the tank body is large, the stewed meat is stacked together and is not convenient to stir, which affects the contact effect of the stewed meat and the stewing liquid, thereby affecting the stewing quality of the stewed meat.

[0003] A stewed meat machine for food processing is disclosed in Chinese Patent No. CN217609343U, which provides a technical solution. The stewed meat and the stewing liquid are slowly stirred by the stirring motor, the stirring shaft and the fan plate, so that the stewed meat in the stewed meat processing tank does not always accumulate at the bottom of the stewed meat processing tank, and the stewed meat and the stewing liquid can fully react, thereby making the stewed meat better.

[0004] Although the above-mentioned patent can realize the stirring of the stewed meat, in the actual stewing process, the tank body is filled with stewed meat as much as possible, which causes the stirring shaft and the fan plate to be blocked by the stewed meat during insertion into the tank body. It is not convenient to insert the stirring shaft and the fan plate into the tank body. If the stirring shaft and the fan plate are forcibly inserted, the stewed meat will be squeezed, causing the stewed meat to be damaged, thereby affecting the quality of the stewed meat.

[0005] Therefore, a closed stewing processing device for stewing meat is proposed. SUMMARY

[0006] The purpose of the present application is to provide a closed stewing processing device for stewing meat to solve the problems raised in the background.

[0007] To solve the above problems, the present application adopts the following technical solution.

[0008] A closed stewing processing device for stewing meat, comprising a base, a bottom plate is fixedly connected to the upper end face of the base through four supporting legs, a cylinder is fixedly connected to the upper end face of the bottom plate at the center position, a support column is rotatably connected to the center position of the cylinder through a sealing bearing, a cross-shaped clamping block is fixedly connected to the upper end face of the support column, a stirring shaft is connected to the top end of the clamping block, a clamping groove matched with the clamping block is formed in the lower end face of the stirring shaft, a horizontal plate is fixedly connected to the center position of the upper end face of the cylinder, the stirring shaft is slidingly inserted into the center position of the horizontal plate, and a cover plate matched with the cylinder is hingedly connected to the rear side of the horizontal plate.

[0009] The lower end of the support pillar penetrates to below the bottom plate and is fixedly connected with a turbine, the outer side cover of the turbine is provided with a volute, the volute is rotationally connected with the support pillar through a sealing bearing, the annular outer side of the barrel is fixedly connected with a cover shell, and the upper end surface of the cover shell is communicated with the outer side surface of the volute through a flow guide pipe.

[0010] Further, the inside of the barrel is provided with a filter cartridge which is attached to the inner wall thereof, the bottom of the filter cartridge is rotationally connected with a fixing ring through a bearing, the bottom of the fixing ring is hingedly connected with four quarter-circular structure sealing plates at equal intervals in a ring shape, the upper end surface of each of the sealing plates is hingedly connected with a hinged plate, and the upper ends of the four hinged plates are hingedly connected with the annular outer side surface of the stirring shaft near the lower end.

[0011] Further, the annular outer side surface of the stirring shaft is rotationally connected with a sleeve ring above the horizontal plate through a bearing, the lower end surface of the sleeve ring is fixedly connected with a spring, and the lower end of the spring is fixedly connected with the upper end surface of the horizontal plate.

[0012] Further, the center position of the upper end surface of the base is provided with a water tank, the center position of the lower end surface of the volute is communicated with a branch pipe, and the branch pipe extends to the bottom of the water tank.

[0013] Further, the upper surfaces of the left and right side plates of the base are fixedly connected with a bracket, two lead screws are rotationally connected between the lower end surface of the upper side plate of the bracket and the upper end surface of the base and correspond to the two ends of the horizontal plate, the upper end surface of the bracket is fixedly connected with two motors which correspond to the two lead screws, and the output shafts of the two motors are fixedly connected with the upper ends of the corresponding lead screws.

[0014] Further, the lower end surface of the horizontal plate is fixedly connected with two sleeve shells which are left-right symmetrical, the front side surface of each sleeve shell is provided with a plate groove, and the inner top surface of the plate groove is elastically connected with a toothed plate through a spring.

[0015] Further, the left and right sides of the cover shell are fixedly connected with two bracket plates which are symmetrical, the side away from each other of the two bracket plates is rotationally connected with two meshed main gears and auxiliary gears through a rotating shaft, and the front side upper end of the toothed plate is meshedly connected with the corresponding main gear.

[0016] Further, the front side of the cover shell is provided with a flow guide groove, the left and right side surfaces of the flow guide groove are fixedly connected with support plates which are symmetrical, and the lower side surface of each support plate is uniformly provided with toothed gears which are meshed with the corresponding auxiliary gears.

[0017] Further, the front side surface of each bracket plate is fixedly connected with a fixed plate, the lower side surface of each support plate is fixedly connected with a sliding plate which has a T-shaped structure and corresponds to the fixed plate, and the upper side surface of the fixed plate is provided with a sliding groove which matches the sliding plate.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] 1. The present application is used for containing marinated meat by setting the combination structure of stirring shaft, filter cartridge and sealing plate inside the barrel, avoiding the extrusion of stirring shaft on marinated meat, containing cold water in the shell, in the process of heating marinade, cold water is also heated synchronously to produce water vapor, which drives the turbine to rotate, thereby driving the stirring shaft to rotate, and then agitating the marinated meat, so that the marinated meat and marinade are in full contact, improving the marinating quality.

[0020] 2. The present application is used for containing marinated meat by setting the combination structure of stirring shaft, filter cartridge and sealing plate inside the barrel, avoiding the extrusion of stirring shaft on marinated meat, containing cold water in the shell, in the process of heating marinade, cold water is also heated synchronously to produce water vapor, which drives the turbine to rotate, thereby driving the stirring shaft to rotate, and then agitating the marinated meat, so that the marinated meat and marinade are in full contact, improving the marinating quality.

[0021] 3. The present application is used for containing marinated meat by setting the combination structure of stirring shaft, filter cartridge and sealing plate inside the barrel, avoiding the extrusion of stirring shaft on marinated meat, containing cold water in the shell, in the process of heating marinade, cold water is also heated synchronously to produce water vapor, which drives the turbine to rotate, thereby driving the stirring shaft to rotate, and then agitating the marinated meat, so that the marinated meat and marinade are in full contact, improving the marinating quality. DETAILED DESCRIPTION

[0022] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present application Figure 1 ;

[0023] Figure 2 It is a three-dimensional schematic diagram of the overall structure of the present application Figure 2 ;

[0024] Figure 3 It is a sectional view of the present application Figure 1 ;

[0025] Figure 4 It is a sectional view of the present application Figure 2 ;

[0026] Figure 5 It is an exploded schematic diagram of the connection relationship between the sliding block and the sliding plate

[0027] Figure 6 It is an exploded schematic diagram of the connection relationship between the filter cartridge, the sealing plate and the stirring shaft

[0028] Figure 7 It is an exploded schematic diagram of the connection relationship between the tooth plate and the sleeve

[0029] Figure 8 It is an enlarged schematic diagram of A in Figure 4 ;

[0030] Mark explanation in the figure:

[0031] 1, base; 11, bottom plate; 12, support; 13, screw rod; 14, motor; 2, cylinder; 21, cross plate; 22, cover; 23, cover plate; 24, flow guide pipe; 3, filter cartridge; 31, stirring shaft; 32, hinged plate; 33, sealing plate; 34, fixing ring; 35, sleeve ring; 4, support; 41, clamping block; 42, turbine; 43, volute; 44, branch pipe; 45, water tank; 5, sleeve; 51, plate groove; 52, tooth plate; 53, main gear; 54, pinion; 55, shelf plate; 6, flow guide groove; 61, support plate; 62, sliding plate; 63, sliding groove; 64, fixed plate; 65, tooth. DETAILED DESCRIPTION

[0032] 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 some of the embodiments of the present application, not all the embodiments. 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.

[0033] Please refer to Figures 1 to 8 A closed marinating processing device for marinated meat, comprising a base 1, the upper end face of the base 1 is fixedly connected with a bottom plate 11 through four supporting legs, the upper end face of the bottom plate 11 is fixedly connected with a cylinder 2 at the center position, the cylinder 2 is rotatably connected with a support 4 at the center position through a sealing bearing, the upper end face of the support 4 is fixedly connected with a clamping block 41 of cross structure, the clamping block 41 is clamped with a stirring shaft 31 at the top end, the lower end face of the stirring shaft 31 is provided with a clamping groove matched with the clamping block 41, the upper end face of the cylinder 2 is fixedly connected with a cross plate 21 at the center position, the stirring shaft 31 is slidingly inserted at the center position of the cross plate 21, the rear side of the cross plate 21 is hingedly connected with a cover plate 23 matched with the cylinder 2;

[0034] The lower end of the support 4 penetrates to the lower side of the bottom plate 11 and is fixedly connected with a turbine 42, the outer side of the turbine 42 is covered with a volute 43, the volute 43 is rotatably connected with the support 4 through a sealing bearing, the annular outer side of the cylinder 2 is fixedly connected with a cover 22, the upper end face of the cover 22 is in communication with the outer side of the volute 43 through a flow guide pipe 24;

[0035] The inside of the cylinder 2 is provided with a filter cartridge 3 matched with the inner wall thereof, the bottom of the filter cartridge 3 is rotatably connected with a fixing ring 34 through a bearing, the bottom of the fixing ring 34 is hingedly connected with four sealing plates 33 of quarter circular structure at equal intervals, the upper end face of each sealing plate 33 is hingedly connected with one hinged plate 32, and the upper ends of the four hinged plates 32 are hingedly connected with the annular outer side of the stirring shaft 31 near the lower side;

[0036] The annular outer side of the stirring shaft 31 is rotatably connected to the collar 35 above the horizontal plate 21 through a bearing, the lower end surface of the collar 35 is fixedly connected to a spring, and the lower end of the spring is fixedly connected to the upper end surface of the horizontal plate 21.

[0037] By adopting the above technical scheme, the sealing cover of the semicircular structure matched with the upper end barrel of the barrel 2 is fixedly connected to the front side of the horizontal plate 21, and the design of the sealing cover and the cover plate 23 can keep the barrel 2 isolated from the external environment when stewing meat, so as to avoid the pollution of the external environment to the stewed meat in the barrel 2 and ensure the quality of the stewed meat. When stewing meat is needed, the cover plate 23 is lifted, the stewing juice is input into the barrel 2 through the opening at the position of the cover plate 23, and the meat is placed in the structure formed by the filter cylinder 3 and the sealing plate 33, so as to avoid the meat from being stacked at the bottom of the barrel 2, and the stirring shaft 31 is always inside the filter cylinder 3, so as to avoid the stewed meat from being squeezed. The water inlet pipe is communicated with the upper end surface of the cover shell 22, cold water is injected into the cover shell 22 through the water inlet pipe, the barrel 2 is heated by the heating plate embedded in the wall of the barrel 2, so that the stewing juice and the cold water are heated synchronously, water vapor is generated when the cold water in the cover shell 22 is heated and boiled, the water vapor is continuously transported into the volute 43 through the flow guide pipe 24, the turbine 42 in the volute 43 is rotated by the water vapor, so as to drive the support 4 to rotate and further drive the stirring shaft 31 to rotate. Since the stirring shaft 31 is hingedly connected to the sealing plate 33 through the hinge plate 32, and the fixed ring 34 is rotatably connected to the filter cylinder 3 through a bearing, the sealing plate 33 and the hinge plate 32 can be driven to rotate, so as to stir the stewed meat in the filter cylinder 3, so that the stewed meat is fully contacted with the stewing juice, the stewing quality of the stewed meat is improved, and the stewed meat is not damaged. Under the action of the spring, the stirring shaft 31 can be prevented from sliding upward and being separated from the clamping block 41 when rotating, so as to ensure the stable rotation of the stirring shaft 31. The water tank 45 is arranged at the center position of the upper end surface of the base 1, the branch pipe 44 is communicated with the center position of the lower end surface of the volute 43, the branch pipe 44 extends to the bottom of the water tank 45, cold water is injected into the water tank 45, and the cold water covers the gas outlet of the branch pipe 44, so that the water vapor passing through the turbine 42 is directly contacted with the cold water and cooled, so as to be condensed into water, and the water vapor is prevented from floating everywhere.

[0038] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 7 , the two side plates of the base 1 are fixedly connected to the bracket 12, two lead screws 13 are rotatably connected between the lower end surface of the upper side plate of the bracket 12 and the upper end surface of the base 1 and correspond to the two ends of the horizontal plate 21, the two ends of the horizontal plate 21 are screw transmission connected to the corresponding lead screws 13, two motors 14 are fixedly connected to the upper end surface of the bracket 12 and correspond to the two lead screws 13, and the output shafts of the two motors 14 are fixedly connected to the upper ends of the corresponding lead screws 13.

[0039] Two sleeve shells 5 are symmetrically and fixedly connected to the lower end surface of the transverse plate 21, a plate groove 51 is formed in the front surface of the sleeve shell 5, and a toothed plate 52 is elastically connected to the inner top surface of the plate groove 51 through a spring;

[0040] Two frame plates 55 are symmetrically and fixedly connected to the left and right sides of the cover shell 22, two meshed main gears 53 and auxiliary gears 54 are rotatably connected to the sides away from each other of the two frame plates 55 through rotating shafts, the front upper end surface of the toothed plate 52 is meshed and connected with the corresponding main gear 53, a flow guide groove 6 is arranged on the front side of the cover shell 22, and support plates 61 are symmetrically and fixedly connected to the left and right side surfaces of the flow guide groove 6; the lower side surface of each support plate 61 is uniformly provided with toothed gears 65 meshed with the corresponding auxiliary gears 54;

[0041] The front surface of each frame plate 55 is fixedly connected with a fixed plate 64, and the lower side surface of each support plate 61 is fixedly connected with a sliding plate 62 with a T-shaped cross section corresponding to the fixed plate 64; and a sliding groove 63 matched with the sliding plate 62 is formed in the upper surface of the fixed plate 64.

[0042] When the marinating is completed, the two motors 14 are started to drive the two lead screws 13 to rotate synchronously, thereby driving the horizontal plate 21 to ascend along the lead screws 13. The horizontal plate 21 is fixedly connected with the filter cylinder 3, thereby driving the filter cylinder 3 to ascend synchronously. The spring supports the collar 35 on the stirring shaft 31, thereby preventing the stirring shaft 31 and the sealing plate 33 from sliding downward under the gravity of the marinated meat. Since the filter cylinder 3 and the sealing plate 33 are both provided with the leakage holes, when the filter cylinder 3 is separated from the cylinder body 2, the marinade flows back into the cylinder body 2, thereby facilitating the separation of the marinated meat and the marinade. Since the toothed plate 52 is elastically connected to the inner top surface of the sleeve shell 5 by the spring, when the sleeve shell 5 ascends with the horizontal plate 21, the toothed plate 52 remains stationary under the action of the spring. When the bottom of the sleeve shell 5 reaches the position of the main gear 53, the upper end of the toothed plate 52 moves to the bottom of the plate groove 51. Since the width of the upper end of the toothed plate 52 is greater than the opening at the lower end of the plate groove 51, the toothed plate 52 is subjected to the upward pulling force of the sleeve shell 5, thereby moving upward, driving the main gear 53 to rotate counterclockwise, and further driving the auxiliary gear 54 to rotate clockwise. The support plate 61 is pushed by the auxiliary gear 54 to move upward along the sliding groove 63, thereby moving the rear end of the flow guide groove 6 to be directly below the filter cylinder 3. As the horizontal plate 21 continues to ascend, the upper end of the stirring shaft 31 contacts the upper side plate of the support frame 12, and the spring on the collar 35 is compressed. The filter cylinder 3 ascends with the horizontal plate 21, thereby continuously pushing the hinged plate 32 downward, further causing the four sealing plates 33 to flip downward, and making the marinated meat carried on the sealing plates 33 fall onto the flow guide groove 6. An receiving groove can be placed at the front end of the flow guide groove 6, so that the marinated meat slides along the flow guide groove 6 and falls into the receiving groove, thereby facilitating the taking out of the marinated meat. When the marinated meat falls off from the sealing plates 33, the two motors 14 are started to drive the two lead screws 13 to rotate reversely, thereby driving the horizontal plate 21 to move downward. The spring on the collar 35 resets, thereby driving the stirring shaft 31 to slide upward, thereby causing the four sealing plates 33 to close, thereby covering the bottom of the filter cylinder 3, facilitating the loading of the marinated meat. As the horizontal plate 21 continues to descend, the toothed plate 52 contacts the main gear 53, thereby driving the main gear 53 to rotate clockwise, further driving the auxiliary gear 54 to rotate counterclockwise, and causing the flow guide groove 6 to slide downward along the sliding groove 63, until the upper end of the front side of the toothed plate 52 moves to be engaged with the main gear 53. At this time, the rear end of the flow guide groove 6 is completely separated from above the cylinder body 2, and the bottom of the filter cylinder 3 reaches the position of the upper end of the cylinder body 2. Then, the horizontal plate 21 continues to descend, the bottom of the toothed plate 52 contacts the upper end surface of the base 1, thereby causing the sleeve shell 5 to compress the spring inside the sleeve shell 5, until the horizontal plate 21 contacts the upper end surface of the cylinder body 2, thereby completing the resetting of the filter cylinder 3, and facilitating the marinating of the marinated meat.

[0043] The use method is as follows: when the marinated meat is needed, the marinating liquid is input into the barrel 2 through the opening at the position of the cover plate 23, the barrel 2 is heated by the heating plate embedded in the barrel 2 wall, so that the marinating liquid and the cold water are heated synchronously, when the cold water in the cover shell 22 is heated to boiling, water vapor is generated and continuously transported into the volute 43 through the flow guide pipe 24, the turbine 42 in the volute 43 is rotated by the water vapor, so as to drive the support column 4 to rotate, and then drive the stirring shaft 31 to rotate, since the stirring shaft 31 and the sealing plate 33 are hinged through the hinge plate 32, the fixed ring 34 and the filter cartridge 3 are rotatably connected through the bearing, so as to drive the sealing plate 33 and the hinge plate 32 to rotate, so as to stir the marinated meat in the filter cartridge 3, so that the marinated meat and the marinating liquid are fully contacted, the marinating quality of the marinated meat is improved, and the marinated meat is not damaged; when the marinating is completed, the two motors 14 are started to drive the two lead screws 13 to rotate synchronously, so as to drive the horizontal plate 21 to ascend along the lead screw 13, the horizontal plate 21 is fixedly connected with the filter cartridge 3, so as to drive the filter cartridge 3 to ascend synchronously, the marinating liquid flows back to the barrel 2, so as to facilitate the separation of the marinated meat and the marinating liquid, when the sleeve shell 5 bottom reaches the position of the main gear 53, the upper end of the toothed plate 52 moves to the bottom of the plate groove 51, since the width of the upper end of the toothed plate 52 is greater than the opening of the lower end of the plate groove 51, the toothed plate 52 is pulled upward by the sleeve shell 5, so that the toothed plate 52 moves upward, so as to drive the main gear 53 to rotate counterclockwise, and then drive the secondary gear 54 to rotate clockwise, so that the support plate 61 is pushed by the secondary gear 54 to move upward along the sliding groove 63, so as to drive the rear end of the flow guide groove 6 to move to the position directly below the filter cartridge 3, with the continuous ascending of the horizontal plate 21, the upper end of the stirring shaft 31 contacts the upper side plate of the support column 12, the spring on the sleeve ring 35 is pressed, the filter cartridge 3 ascends with the horizontal plate 21, so that the hinge plate 32 is continuously pushed downward, and then the four sealing plates 33 are turned downward, so that the marinated meat on the sealing plate 33 falls onto the flow guide groove 6, an receiving groove can be placed at the front end of the flow guide groove 6, so that the marinated meat slides into the receiving groove along the flow guide groove 6, and the marinated meat is conveniently taken out.

[0044] The above merely shows the preferred embodiments of the present application; however, the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes to the technical scheme of the present application and the improvement concept thereof within the technical range disclosed by the present application, which should be covered by the protection scope of the present application.

Claims

1. A closed brining processing device for brining meat products, characterized in that: The utility model provides a stirring device, including base (1), the upper end surface of base (1) is fixedly connected with bottom plate (11) through four legs, the upper end surface center position of bottom plate (11) is fixedly connected with cylinder (2), the center position of cylinder (2) is rotatably connected with support column (4) through sealing bearing, the upper end surface of support column (4) is fixedly connected with cross type structure's clamping block (41), and clamping block (41) top end is clamped with stirring shaft (31), and the lower end surface of stirring shaft (31) is provided with the clamping groove that is matched with clamping block (41), the upper end surface center position of cylinder (2) is fixedly connected with crosspiece (21), and stirring shaft (31) slidingly inserts in the center position of crosspiece (21), and the rear side of crosspiece (21) is hinged with the cover plate (23) that is matched with cylinder (2), The lower end of support column (4) penetrates to the lower side of bottom plate (11) and is fixedly connected with turbine (42), the outer side surface cover of turbine (42) is equipped with volute (43), and volute (43) is rotatably connected with support column (4) through sealing bearing, the annular outer side of cylinder (2) is fixedly connected with cover shell (22), and the upper end surface of cover shell (22) is communicated with the outer side surface of volute (43) through draft tube (24), The inside of cylinder (2) is equipped with filter cartridge (3) with its inner wall, the bottom of filter cartridge (3) is rotatably connected with fixing ring (34) through bearing, the bottom of fixing ring (34) is hingedly connected with four quarter circle structure's sealing plate (33) equidistantly, the upper end surface of each sealing plate (33) is hingedly connected with one hinged plate (32), and the upper end of four hinged plates (32) is hingedly connected with the annular outer side of stirring shaft (31) near the lower side, and crosspiece (21) is fixedly connected with filter cartridge (3), The annular outer side of stirring shaft (31) is rotatably connected with sleeve ring (35) above crosspiece (21) through bearing, the lower end of sleeve ring (35) is fixedly connected with spring, and the lower end of spring is fixedly connected with the upper end surface of crosspiece (21).

2. A closed brining device for brining meat products according to claim 1, characterized in that: The upper end surface center position of base (1) is equipped with water tank (45), the lower end surface center position of volute (43) is communicated with branch pipe (44), and branch pipe (44) extends to the bottom of water tank (45).

3. The closed brine processing device for brining meat products according to claim 1, characterized in that: The upper surface of the left and right two side plates of base (1) is fixedly connected with bracket (12), and the lower end surface of the upper side plate of bracket (12) is rotatably connected with two lead screws (13) between the upper end surface of base (1), and the two ends of crosspiece (21) are screw transmission connected with the corresponding position lead screw (13) respectively, the upper end surface of bracket (12) is fixedly connected with two motors (14) corresponding to two lead screws (13), and the output shafts of two motors (14) are fixedly connected with the upper ends of the corresponding position lead screws (13) respectively.

4. The closed brine processing device for brining meat products according to claim 1, characterized in that: The lower end surface of crosspiece (21) is fixedly connected with two sleeve shells (5) left and right symmetrical, the front surface of sleeve shell (5) is provided with plate groove (51), and the inner top surface of plate groove (51) is elastically connected with toothed plate (52) through spring.

5. A closed brining apparatus for brining meat products as defined in claim 4, wherein: The cover (22) is symmetrically connected with two frame plates (55) on the left and right sides, two main gears (53) and two auxiliary gears (54) are rotatably connected to the sides away from each other of the two frame plates (55) through pivots, and the front side upper end of the tooth plate (52) is in meshing connection with the corresponding main gear (53).

6. A closed brining apparatus for brining meat products as defined in claim 5, wherein: The cover (22) is provided with a flow guide groove (6) on the front side, the flow guide groove (6) is symmetrically connected with a support plate (61) on the left and right sides, and the lower side of each support plate (61) is uniformly provided with toothed gears (65) in meshing connection with the corresponding auxiliary gears (54).

7. A closed brining apparatus for brining meat products as defined in claim 6, wherein: The front side of each frame plate (55) is fixedly connected with a fixed plate (64), the lower side of each support plate (61) is fixedly connected with a sliding plate (62) with a T-shaped structure in cross section corresponding to the fixed plate (64), and the upper side of the fixed plate (64) is provided with a sliding groove (63) matched with the sliding plate (62).

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