阅读说明：本技术 一种制作酒曲的恒温工具 (Constant temperature tool for making distiller's yeast ) 是由 康望才 于 2020-11-30 设计创作，主要内容包括：本申请实施例公开了一种制作酒曲的恒温工具,包括发酵桶、桶盖、夹紧装置、搅拌装置和补料装置；发酵桶具有上部为开口的容纳空间；发酵桶底部外周壁朝外延伸有连接圈边,发酵桶底部设有出料管,出料管处设有控制阀；桶盖盖设于发酵桶上端并与连接圈边相贴；夹紧装置用于夹紧桶盖和连接圈边；搅拌装置设于发酵桶底部用于搅拌原料；补料装置部分伸入容纳空间内,用于将外部原料补入到容纳空间内。本申请通过夹紧装置保证发酵桶的密封性,确保发酵品质；补料装置则可以在不打开桶盖的情况下,将外部原料补入到容纳空间内,简化操作,且避免大量空气进入发酵桶内,影响发酵品质；本申请操作简单,可保证发酵品质。(The embodiment of the application discloses a constant temperature tool for making distiller's yeast, which comprises a fermentation barrel, a barrel cover, a clamping device, a stirring device and a material supplementing device; the fermentation barrel is provided with an accommodating space with an opening at the upper part; the outer peripheral wall of the bottom of the fermentation barrel extends outwards to form a connecting ring edge, the bottom of the fermentation barrel is provided with a discharge pipe, and a control valve is arranged at the discharge pipe; the barrel cover is arranged at the upper end of the fermentation barrel and is attached to the connecting ring edge; the clamping device is used for clamping the barrel cover and the connecting ring edge; the stirring device is arranged at the bottom of the fermentation barrel and is used for stirring raw materials; the feeding device part extends into the containing space and is used for feeding external raw materials into the containing space. The sealing performance of the fermentation barrel is guaranteed through the clamping device, and the fermentation quality is guaranteed; the material supplementing device can supplement external raw materials into the accommodating space under the condition that the barrel cover is not opened, so that the operation is simplified, and the phenomenon that a large amount of air enters the fermentation barrel to influence the fermentation quality is avoided; the method is simple to operate, and the fermentation quality can be guaranteed.)

1. A constant temperature tool for making distiller's yeast is characterized in that: comprises a fermentation barrel (1), a barrel cover (2), a clamping device (3), a stirring device (4) and a material supplementing device (5);

the fermentation barrel (1) is provided with an accommodating space with an opening at the upper part; the outer peripheral wall of the bottom of the fermentation barrel (1) extends outwards to form a connecting ring edge (11), a discharge pipe (14) is arranged at the bottom of the fermentation barrel (1), and a control valve is arranged at the discharge pipe (14);

the barrel cover (2) is arranged at the upper end of the fermentation barrel (1) in a covering manner and is attached to the connecting ring edge (11);

the clamping device (3) is used for clamping the barrel cover (2) and the connecting ring edge (11);

the stirring device (4) is arranged at the bottom of the fermentation barrel (1) and is used for stirring raw materials;

the feeding device (5) partially extends into the containing space and is used for feeding external raw materials into the containing space.

2. A thermostatic tool for making distiller's yeast as defined in claim 1 wherein: a temperature sensor (12) is installed in the accommodating space, and a heating structure (13) is arranged on the peripheral wall of the accommodating space.

3. A thermostatic tool for making distiller's yeast as defined in claim 1 wherein: the clamping device (3) comprises a vertical shaft (31), a radial extension part (32) and a clamping screw rod (33), a connecting part (111) protruding out of the barrel cover (2) extends outwards from the connecting ring edge (11), the vertical shaft (31) is vertically inserted into the connecting part (111) and can rotate along a vertical axis, the top end of the vertical shaft (31) is higher than the barrel cover (2), the radial extension part (32) is connected to the top end of the vertical shaft (31) and can rotate along with the vertical shaft (31), and the clamping screw rod (33) is threaded through one end, far away from the vertical shaft (31), of the radial extension part (32); the clamping screw rod (33) can rotate to the barrel cover (2) along with the vertical shaft (31) and is screwed downwards to tightly push the barrel cover (2).

4. A thermostatic tool for making distiller's yeast as defined in claim 1 wherein: the material supplementing device (5) comprises a material supplementing pipe (51), a push block (54) and a pushing mechanism;

a material supplementing port (511) is arranged at the bottom of one end, extending into the accommodating space, of the material supplementing pipe (51);

the push block (54) is arranged in the material supplementing pipe (51), and the push block (54) is provided with a first position and a second position; when the pushing block (54) is located at the first position, a distance is reserved between the pushing block and the material supplementing opening (511) to accommodate materials, when the pushing block (54) is located at the second position, the end portion of the pushing block extends out of the material supplementing opening (511) or is flush with the material supplementing opening (511) to push the materials out of the material supplementing pipe (51), and the pushing block (54) is connected with a sliding driving mechanism (541) for driving the pushing block to slide so as to realize switching between the first position and the second position;

the pushing mechanism is used for pushing the material to a position between the pushing block (54) and the material supplementing opening (511) which are located at the first position.

5. A thermostatic tool for making distiller's yeast as claimed in claim 4, wherein: the material supplementing device (5) further comprises a movable baffle (52), the movable baffle (52) is hinged in the material supplementing pipe (51), and the bottom of the push block (54) is hermetically attached to the bottom of the inner wall of the material supplementing pipe (51) and slides along the inner wall of the material supplementing pipe (51) under the driving of the sliding driving mechanism (541);

when the push block (54) is located at the first position, the push block (54) and the movable baffle (52) are arranged at intervals, and the bottom of the movable baffle (52) is in sealing abutment with the bottom of the material supplementing pipe (51);

when the push block (54) is at the second position, the push block (54) is abutted against the movable baffle plate (52) and pushes the movable baffle plate (52) open.

6. A thermostatic tool for making distiller's yeast as claimed in claim 5, wherein: the material supplementing device (5) further comprises an elastic rod (57), the elastic rod (57) is inserted into the pipe wall of the material supplementing pipe (51), a protruding plate (572) is arranged on a part, extending into the material supplementing pipe (51), of the elastic rod (57), a pressure spring (571) is sleeved on the elastic rod (57), the pressure spring (571) is located between the protruding plate (572) and the pipe wall of the material supplementing pipe (51), and the pressure spring (571) pushes the elastic rod (57) to abut against the movable baffle (52) so as to push the bottom of the movable baffle (52) to abut against the bottom wall of the material supplementing pipe (51).

7. A thermostatic tool for making distiller's yeast as claimed in claim 5, wherein: the middle part of the interior direction of height of material supplementing pipe (51) is equipped with a division board (53), adjustable fender (52) are located between division board (53) and feed supplement mouth (511), ejector pad (54) are located division board (53) below, push mechanism is located division board (53) top, and feed supplementing pipe (51) stretch out the upper end of accommodation space part and are equipped with a pan feeding mouth (512).

8. A thermostatic tool for making distiller's yeast as claimed in claim 7, wherein: the pushing mechanism comprises a feeding plate (55) and a pushing driving mechanism (551) for pushing the feeding plate (55) to move towards the movable baffle (52).

9. A thermostatic tool for making distiller's yeast as claimed in claim 7, wherein: one end of the partition plate (53) facing the movable baffle (52) is provided with a slide carriage (531) which inclines downwards, the slide carriage (531) is used for guiding materials to a position between the push block (54) and the movable baffle (52) when the materials are located at the first position, and the upper end of the push block (54) is attached to the bottom end of the slide carriage (531).

10. A thermostatic tool for making distiller's yeast as claimed in claim 7, wherein: the feeding port (512) is connected with a material supplementing hopper (56).

Technical Field

The embodiment of the application relates to distiller's yeast preparation equipment, in particular to a constant temperature tool for preparing distiller's yeast.

Background

With the continuous improvement of living standard of people, the sales volume and the yield of the wine serving as an important drink in life gradually increase. The fermentation of the distiller's yeast is an important step in the process of making the wine, and the quality of the wine directly influences the quality of the wine. In the fermentation process of the distiller's yeast, some materials need to be supplemented, the traditional fermentation device needs to open the fermentation barrel to supplement the materials, the operation is troublesome, and in a large amount of outside air enters the fermentation barrel, the fermentation quality is influenced.

Disclosure of Invention

The technical problem that this application embodiment will solve provides the constant temperature instrument of preparation distiller's yeast, can solve reinforced problem.

The embodiment of the application is realized by the following technical scheme: a constant temperature tool for making distiller's yeast comprises a fermentation barrel, a barrel cover, a clamping device, a stirring device and a material supplementing device; the fermentation barrel is provided with an accommodating space with an opening at the upper part; the outer peripheral wall of the bottom of the fermentation barrel extends outwards to form a connecting ring edge, the bottom of the fermentation barrel is provided with a discharge pipe, and a control valve is arranged at the discharge pipe; the barrel cover is arranged at the upper end of the fermentation barrel and is attached to the connecting ring edge; the clamping device is used for clamping the barrel cover and the connecting ring edge; the stirring device is arranged at the bottom of the fermentation barrel and is used for stirring raw materials; the feeding device partially extends into the containing space and is used for feeding external raw materials into the containing space.

Further, a temperature sensor is installed in the accommodating space, and a heating structure is arranged on the peripheral wall of the accommodating space.

Furthermore, the clamping device comprises a vertical shaft, a radial extension part and a clamping screw, a connecting part protruding out of the barrel cover extends outwards from the edge of the connecting ring, the vertical shaft is vertically inserted into the connecting part and can rotate along the vertical axis, the top end of the vertical shaft is higher than the barrel cover, the radial extension part is connected to the top end of the vertical shaft and can rotate along with the vertical shaft, and the clamping screw is threaded through one end of the radial extension part, which is far away from the vertical shaft; the clamping screw can rotate to the barrel cover along with the vertical shaft and is screwed downwards to tightly prop the barrel cover.

Further, the material supplementing device comprises a material supplementing pipe, a push block and a pushing mechanism; a material supplementing port is arranged at the bottom of one end of the material supplementing pipe extending into the accommodating space; the push block is arranged in the feed supplementing pipe and is provided with a first position and a second position; when the pushing block is located at the first position, the pushing block is spaced from the material supplementing opening to contain materials, when the pushing block is located at the second position, the end part of the pushing block extends out of the material supplementing opening or is flush with the material supplementing opening to push the materials out of the material supplementing opening, and the pushing block is connected with a sliding driving mechanism for driving the pushing block to slide so as to realize switching between the first position and the second position; the pushing mechanism is used for pushing the material to a position between the pushing block and the material supplementing opening, wherein the position is located at the first position.

Furthermore, the feeding device also comprises a movable baffle plate, the movable baffle plate is hinged in the feeding pipe, and the bottom of the push block is hermetically attached to the bottom of the inner wall of the feeding pipe and slides along the inner wall of the feeding pipe under the driving of the sliding driving mechanism; when the push block is at the first position, the push block and the movable baffle are arranged at intervals, and the bottom of the movable baffle is in sealing abutment with the bottom of the feeding pipe;

when the push block is located at the second position, the push block is abutted against the movable baffle and pushes the movable baffle open.

Furthermore, the material supplementing device further comprises an elastic rod, the elastic rod is inserted into the pipe wall of the material supplementing pipe, a protruding plate is arranged on the part, extending into the material supplementing pipe, of the elastic rod, a pressure spring is sleeved on the elastic rod and located between the protruding plate and the pipe wall of the material supplementing pipe, and the pressure spring pushes the elastic rod to abut against the movable baffle plate so as to push the bottom of the movable baffle plate to be tightly attached to the bottom wall of the material supplementing pipe.

Furthermore, the middle part of the material supplementing pipe in the height direction is provided with a separating plate, the movable baffle is positioned between the separating plate and the material supplementing opening, the push block is positioned below the separating plate, the push mechanism is positioned above the separating plate, and the upper end of the material supplementing pipe extending out of the accommodating space part is provided with a material feeding opening.

Further, the pushing mechanism is a feeding plate and a pushing driving mechanism for pushing the feeding plate to move towards the movable baffle.

Furthermore, one end of the separation plate, facing the movable baffle, is provided with a slide carriage which inclines downwards, the slide carriage is used for guiding materials to a position between the push block and the movable baffle when the materials are located at the first position, and the upper end of the push block is attached to the bottom end of the slide carriage.

Furthermore, a material supplementing hopper is connected to the material inlet.

The beneficial effects are that:

compared with the prior art, the constant temperature tool for making the distiller's yeast ensures the sealing performance of the fermentation barrel through the clamping device, and ensures the fermentation quality; the material supplementing device can supplement external raw materials into the accommodating space under the condition that the barrel cover is not opened, so that the operation is simplified, and the phenomenon that a large amount of air enters the fermentation barrel to influence the fermentation quality is avoided; the method is simple to operate, and the fermentation quality can be guaranteed.

Drawings

The following detailed description of embodiments of the present application is provided in conjunction with the appended drawings, wherein:

FIG. 1 is a schematic structural view of a thermostatic tool for making distiller's yeast according to an embodiment of the present application;

FIG. 2 is a schematic view of the feeding device in the first position;

FIG. 3 is a schematic view of the feeding apparatus in the second position;

fig. 4 is an enlarged schematic view of a portion a of fig. 1.

Detailed Description

In order to make those skilled in the art better understand the technical solutions of the embodiments of the present application, the embodiments of the present application are described in detail below with reference to the drawings, and the description in this section is only exemplary and explanatory, and should not have any limiting effect on the scope of the embodiments of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that a product of the embodiments of the present application is usually placed in when used, and are only used for convenience of describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the device or element to be referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4, a constant temperature tool for making distiller's yeast comprises a fermentation vat 1, a vat cover 2, a clamping device 3, a stirring device 4 and a feeding device 5.

The fermentation barrel 1 is provided with an accommodating space with an opening at the upper part; the outer peripheral wall of the bottom of the fermentation barrel 1 extends outwards to form a connecting ring edge 11, a discharge pipe 14 is arranged at the bottom of the fermentation barrel 1, a control valve is arranged at the discharge pipe 14, and the control valve can be a manual valve to control the opening and closing of the discharge pipe 14.

The barrel cover 2 is arranged at the upper end of the fermentation barrel 1 in a covering mode and attached to the connecting ring edge 11, and a sealing ring can be arranged at the position where the barrel cover 2 is attached to the connecting ring edge 11 to improve the sealing effect.

The clamping device 3 is used for clamping the barrel cover 2 and the connecting ring edge 11 so as to ensure the sealing performance of the fermentation barrel 1 and the fermentation quality; the stirring device 4 is arranged at the bottom of the fermentation barrel 1 and is used for stirring raw materials, and after the raw materials are supplemented, the raw materials can be uniformly stirred by the stirring device 4, so that the raw materials are uniformly fermented. 5 parts of feed supplement device stretch into accommodation space for in the accommodation space is mended with outside raw materials, feed supplement device 5 can be under the condition of not opening the bung, in the accommodation space is mended with outside raw materials, the simplification operation, and avoid in a large amount of air admission fermenter, influence the fermentation quality.

In a possible embodiment, the barrel cover 2 is provided with an air outlet pipe 21, and the air outlet pipe 21 is provided with a one-way valve 22 so as to exhaust excessive internal air and prevent external air from entering the fermentation barrel 1.

In a possible embodiment, the stirring device is a stirring shaft 41 and a motor 42 for rotating the stirring shaft, the stirring shaft is provided with radially extending stirring parts 411, and the stirring parts 411 are arranged in a row along the length direction of the stirring shaft.

In a possible embodiment, a temperature sensor 12 is installed in the accommodating space, a heating structure 13 is arranged on the circumferential wall of the accommodating space, the temperature sensor 12 monitors the temperature to ensure that the temperature of the fermentation barrel 1 is stable, the heating structure 13 can heat and supplement heat when the temperature is low to ensure the fermentation temperature, and the heating structure 13 can be a heating resistance wire or a heating plate for heating by electricity.

Referring to fig. 4, in a possible embodiment, the clamping device 3 includes a vertical shaft 31, a radial extension portion 32 and a clamping screw 33, the connection ring 11 extends outward to form a connection portion 111 protruding out of the tub cover 2, the vertical shaft 31 is vertically inserted into the connection portion 111 and can rotate along a vertical axis, a rotating shaft with a reduced diameter is disposed at the bottom of the vertical shaft 31, the rotating shaft passes through the connection portion 111 and is connected to a limit nut, so as to prevent the vertical shaft 31 from being pulled out of the connection portion upward, and the connection portion 111 is provided with a circular hole corresponding to the rotating shaft for the rotating shaft to rotate. The top end of the vertical shaft 31 is higher than the barrel cover 2, the radial extension part 32 is connected to the top end of the vertical shaft 31 and can rotate along with the vertical shaft 31, and the clamping screw 33 is threaded through one end of the radial extension part 32, which is far away from the vertical shaft 31; the clamping screw 33 can rotate to the barrel cover 2 along with the vertical shaft 31 and can be screwed to tightly prop the barrel cover 2 downwards, when the barrel cover 2 needs to be opened, the clamping screw 33 only needs to be unscrewed, then the vertical shaft is rotated, the clamping screw 33 avoids the upper part of the barrel cover 2 so as to conveniently take out the barrel cover, interference caused by the fact that the barrel cover is detached by the clamping device 3 is avoided, and loosening and detaching of the barrel cover can be completed without detaching any fastener. In order to facilitate the screwing of the clamping screw 33, a screw rod is radially arranged on the top of the clamping screw 33.

In a possible embodiment, the feeding device 5 comprises a feeding pipe 51, a pushing block 54 and a pushing mechanism; a material supplementing port 511 is arranged at the bottom of one end of the material supplementing pipe 51 extending into the accommodating space; the push block 54 is arranged in the material supplementing pipe 51, and the push block 54 has a first position and a second position; referring to fig. 2, when the pushing block 54 is located at the first position, the pushing block 54 is spaced from the material supplement port 511 to accommodate the material; referring to fig. 3, when the pushing block 54 is located at the second position, the end of the pushing block extends out of the feeding hole 511 or is flush with the feeding hole 511 to push the material out of the feeding pipe 51, and the pushing block 54 is connected with a sliding driving mechanism 541 for driving the pushing block to slide so as to realize switching between the first position and the second position; the slide driving mechanism 541 may be a telescopic motor, a cylinder, or other driving mechanism having a telescopic function. The pushing mechanism is used for pushing the material to a position between the pushing block 54 and the material supplementing opening 511, which is located at the first position.

In a possible embodiment, the feeding device 5 further comprises a movable baffle 52, the movable baffle 52 is hinged in the feeding pipe 51, and specifically, the upper end of the movable baffle 52 is hinged on the top wall of the feeding pipe 51. The bottom of the push block 54 is hermetically attached to the bottom of the inner wall of the material supplementing pipe 51 and slides along the inner wall of the material supplementing pipe 51 under the driving of the sliding driving mechanism 541, so that the bottom of the push block 54 is always sealed with the bottom wall of the inner wall of the material supplementing pipe 51, and when the push block 54 is in contact with air in the fermentation barrel 1, external air can be reduced from entering the interior, and the fermentation quality is influenced. Specifically, the feeding tube 51 is a rectangular square tube, and the width of the push block 54 is matched with the feeding tube 51 and the bottom surface of the push block is a plane so as to be attached to the bottom wall of the feeding tube 51. Referring to fig. 2, when the pushing block 54 is in the first position, the pushing block 54 and the movable baffle 52 are spaced, and the material can be filled between the pushing block 54 and the movable baffle 52 to be pushed into the fermentation vat 1. The bottom of the movable baffle plate 52 is sealed and abutted against the bottom of the feeding pipe 51 so as to ensure the sealing property and reduce the external air entering the fermentation barrel 1. The width of the movable baffle plate 52 is matched with that of the material supplementing pipe 51 so as to ensure the sealing property of two sides of the movable baffle plate 52 in the width direction and two side walls of the material supplementing pipe 51, and a rubber layer is arranged at the bottom of the movable baffle plate 52 so as to improve the sealing property. Referring to fig. 3, when the push block 54 is in the second position, the push block 54 abuts against the movable baffle plate 52 and pushes the movable baffle plate 52 open, so that when the push block 54 moves, the push block 54 is in sealing contact with the movable baffle plate 52 even if the bottom of the movable baffle plate 52 is away from the bottom wall of the material supplementing pipe 51, and the sealing effect during the movement is ensured.

In a possible embodiment, the feeding device 5 further comprises an elastic rod 57, the elastic rod 57 is inserted on the tube wall of the feeding tube 51, and in particular, the elastic rod 57 is inserted on the end wall of the feeding tube 51 extending into the fermentation barrel 1. A convex plate 572 is arranged on the part of the elastic rod 57 extending into the material supplementing pipe 51, a pressure spring 571 is sleeved on the elastic rod 57, the pressure spring 571 is located between the convex plate 572 and the pipe wall of the material supplementing pipe 51, the pressure spring 571 pushes the elastic rod 57 to abut against the movable baffle plate 52 to push the bottom of the movable baffle plate 52 to be tightly attached to the bottom wall of the material supplementing pipe 51, and therefore the movable baffle plate 52 is ensured to be tightly attached to the bottom wall of the material supplementing pipe 51 or the movable baffle plate 52 is tightly attached to the push block 54 to improve the sealing effect.

In a possible embodiment, a separating plate 53 is arranged in the middle of the material supplementing pipe 51 in the height direction, the movable baffle plate 52 is located between the separating plate 53 and the material supplementing opening 511, the pushing block 54 is located below the separating plate 53, the pushing mechanism is located above the separating plate 53, a material inlet 512 is arranged at the upper end of the material supplementing pipe 51 extending out of the accommodating space, and the material is supplemented onto the separating plate 53 through the material inlet 512 and pushed to the pushing direction of the pushing block 54 by the pushing mechanism.

In a possible embodiment, the pushing mechanism is a feeding plate 55 and a pushing driving mechanism 551 which pushes the feeding plate 55 to move toward the movable baffle 52, the feeding plate 55 is located above the partition plate 53 and the bottom of the feeding plate 55 is attached to the partition plate 53, so that the material entering the partition plate 53 is pushed to the position between the pushing block 54 and the movable baffle 52 in the first position by the driving of the pushing driving mechanism 551. The pushing driving mechanism 551 may be a telescopic motor, a cylinder, or other driving mechanism with telescopic function.

In a possible embodiment, one end of the partition plate 53 facing the movable baffle 52 is provided with a downward inclined slide plate 531, the slide plate 531 is used for guiding materials between the push block 54 and the movable baffle 52 when the partition plate 53 is in the first position, and the upper end of the push block 54 is attached to the bottom end of the slide plate 531, the slide plate 531 which is inclined first can guide the materials, the inclined slide plate 531 makes the area of the upper end surface of the push block 54 attached to the bottom end of the slide plate 531 smaller, so as to reduce the frictional resistance when the push block 54 moves, the attachment of the push block 54 to the bottom end of the slide plate can prevent the materials from entering the gap between the push block 54 and the slide plate 531, and when the materials remain on the upper end surface of the push block 54, and when the push block 54 moves back, the slide plate 531 can remove the materials remaining on the upper end surface of the push block 54, thereby ensuring the utilization rate of the materials and also preventing the materials from affecting the movement of the push block 54.

In a possible embodiment, a material supplement hopper 56 is connected to the material inlet 512 to facilitate the material feeding.

The above embodiments are only used for illustrating the technical solutions of the present application and not for limiting the same, and any modification or equivalent replacement without departing from the spirit and scope of the embodiments of the present application should be covered within the technical solutions of the present application.