Mushroom planting greenhouse

Abstract

The utility model discloses a mushroom planting greenhouse which comprises a waterproof base, a greenhouse body is arranged at the top of the waterproof base, a support is arranged on the inner top wall of the greenhouse body, a plurality of concentric-square-shaped frames are arranged at the top of the waterproof base at equal intervals, and a plurality of transverse plates are vertically arranged on the inner side walls of the concentric-square-shaped frames at equal intervals. The mushroom planting greenhouse comprises a support, a plurality of hollow square frames are arranged on the support, an upper vertical pipe and a lower vertical pipe are sequentially arranged below the support from top to bottom, a pipe sleeve is rotationally connected between the lower end of the upper vertical pipe and the upper end of the lower vertical pipe, and the lower end of the lower vertical pipe extends to the position between every two adjacent hollow square frames. The nozzles on each branch pipe correspond to the mushroom sticks on each layer of transverse plate, and meanwhile, the positions of the branch pipes and the nozzles are adjusted through the position adjusting mechanism in the length direction of the transverse plate, so that uniform water replenishing is conducted on the mushroom sticks on different layers, the yield of mushrooms and the utilization rate of water resources are increased, and the planting cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mushroom planting greenhouse. BACKGROUND

[0002] Mushroom is a kind of edible fungi, and it is delicious with thick meat, and it contains various nutrients, such as protein and vitamin.

[0003] And the mushroom planting needs to use the greenhouse, mainly based on the following reasons, temperature, mushroom growth is strict to temperature, greenhouse can keep warm in cold winter and low temperature season, and shade and cool in summer, to ensure that the temperature is suitable, humidity, mushroom growth cannot be separated from high humidity, greenhouse can effectively lock water and keep moist, to avoid excessive loss of water, light level, greenhouse can flexibly control light intensity, to shield strong light for mushroom, provide suitable diffuse light environment, and meet the growth demand in all directions.

[0004] And the mushroom needs to be watered during the mushroom planting process, and the existing mushroom planting greenhouse is only installed with water pipe and spray head at the top to water the mushroom, but this kind of way, when the water is less, the water is absorbed by the top layer of stick and just meets the demand, the bottom layer of stick cannot be watered, and when the water is more, the top layer of stick absorbs water and is too wet, the bottom layer of stick absorbs less water, which will lead to uneven water supply of stick in different positions, is not conducive to the growth of mushroom, thereby affecting the yield of mushroom, and when the water is more, a large amount of water is absorbed or lost by the top layer of stick, and is not effectively used by the bottom layer of stick, causing the waste of water resources, and increasing the planting cost.

[0005] Therefore, a mushroom planting greenhouse is proposed to solve the above problems. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a mushroom planting greenhouse to solve the above problems.

[0007] To achieve this purpose, the utility model adopts the following technical scheme:

[0008] A mushroom cultivation greenhouse includes a waterproof base, a greenhouse body on top of the waterproof base, a support frame on the inner top wall of the greenhouse body, multiple U-shaped frames equidistantly arranged on the top of the waterproof base, multiple horizontal plates equidistantly arranged vertically on the inner sidewalls of the U-shaped frames, an upper vertical pipe and a lower vertical pipe arranged sequentially from top to bottom below the support frame, a sleeve rotatably connecting the lower end of the upper vertical pipe and the upper end of the lower vertical pipe, the lower end of the lower vertical pipe extending between two adjacent U-shaped frames, and both sides of the lower vertical pipe being vertically equidistant. The bracket has multiple branch pipes extending into the inner side of the U-shaped frame. Each branch pipe corresponds to a horizontal plate on the same side. The bottom of each branch pipe has a nozzle. The upper end of the upper vertical pipe has an angle adjustment mechanism. An adjustment mechanism is provided between the bracket and the angle adjustment mechanism to adjust the front-back and lateral positions of the upper vertical pipe. A drive mechanism for rotating the lower vertical pipe is provided between the upper vertical pipe and the lower vertical pipe. The upper end of the upper vertical pipe has a connection mechanism for connecting to a pipe.

[0009] Preferably, the number of nozzles is multiple and all are located at the end of the branch pipe away from the lower vertical pipe, and the nozzles are located inside the loop frame.

[0010] Preferably, the angle adjustment mechanism includes a concave frame, a connecting rod, and a motor. The concave frame is provided below the support. Both sides of the upper vertical tube are provided with connecting rods that are rotatably connected to the inner sidewall of the concave frame and extend to its outer side. The concave frame is provided with a motor whose output shaft is coaxially connected to one end of one of the connecting rods.

[0011] Preferably, the adjustment mechanism includes a linear module one, a connecting block, a sliding shaft, a slider, and a linear module two. The linear module one is horizontally arranged below the bracket, and the movable end of the linear module one is connected to the top of the concave frame. Two sliding shafts are spaced apart below the bracket, and the upper ends of the sliding shafts are fixedly fitted with connecting blocks that are connected to the bottom of the bracket. A slider that is connected to the top of the linear module one is slidably fitted on the sliding shaft. The bottom of the bracket has a linear module two whose movable end is connected to the top of the linear module one.

[0012] Preferably, the drive mechanism includes a second motor, a main synchronous pulley, a driven synchronous pulley, a synchronous belt, and a frame. The frame is fixedly sleeved on the upper vertical tube, the second motor is mounted on the frame, the output shaft of the second motor is provided with a main synchronous pulley, the upper end of the lower vertical tube is provided with a driven synchronous pulley, and a synchronous belt drives between the main synchronous pulley and the driven synchronous pulley.

[0013] Preferably, the connecting mechanism includes a corrugated pipe, an interface, and a connecting sleeve. The upper end of the upper vertical pipe is provided with a corrugated pipe, and the other end of the corrugated pipe is provided with an interface. A connecting sleeve with one end connected to the inner side wall of the concave frame is fixedly sleeved on the interface.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: the water tap and the upper vertical pipe are connected together by a connecting mechanism through a hose, so that clean water is introduced into the upper vertical pipe. The water will pass through the hose, the connecting mechanism, the upper vertical pipe, the pipe sleeve, the lower vertical pipe and multiple branch pipes in sequence, and finally spray from the nozzles on the branch pipes onto the mushroom logs on the horizontal plate. Each nozzle on the branch pipe corresponds to each layer of mushroom logs on the horizontal plate. At the same time, the position of the branch pipes and nozzles is adjusted along the length of the horizontal plate by the adjusting mechanism to achieve uniform watering of mushroom logs at different levels, which is conducive to the growth of shiitake mushrooms, increases the yield of shiitake mushrooms, improves the utilization rate of water resources, and reduces the planting cost. Attached Figure Description

[0015] The accompanying drawings further illustrate the present invention, but the content of the drawings does not constitute any limitation on the present invention.

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a three-dimensional structural cross-sectional view of the present invention;

[0018] Figure 3 This is a partial structural diagram of the present invention. Figure 1 ;

[0019] Figure 4 This is a partial structural diagram of the present invention. Figure 2 ;

[0020] Figure 5 This is a three-dimensional structural diagram of the upper vertical tube, angle adjustment mechanism, and connecting mechanism of this utility model.

[0021] In the attached diagram: 1. Waterproof base; 21. Greenhouse body; 22. Support frame; 23. U-shaped frame; 24. Horizontal plate; 3. Adjustment mechanism; 31. Linear module one; 32. Connecting block; 33. Sliding shaft; 34. Sliding block; 35. Linear module two; 4. Angle adjustment mechanism; 41. Concave frame; 42. Connecting rod; 43. Motor one; 51. Upper vertical pipe; 52. Pipe sleeve; 53. Lower vertical pipe; 54. Branch pipe; 55. Nozzle; 6. Drive mechanism; 61. Motor two; 62. Main synchronous pulley; 63. Slave synchronous pulley; 64. Synchronous belt; 65. Frame; 7. Connecting mechanism; 71. Corrugated pipe; 72. Interface; 73. Connecting sleeve. Detailed Implementation

[0022] The embodiments of this utility model are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model. In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "multiple" means two or more, and "several" means one or more, unless otherwise explicitly specified.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows for mutual communication; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0025] The following disclosure provides many different embodiments or examples for implementing various structures of this invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this invention, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0026] In this embodiment, by Figures 1-5 Provided is a mushroom cultivation greenhouse. This utility model includes a waterproof base 1, a greenhouse body 21 on top of the waterproof base 1, a support 22 on the inner top wall of the greenhouse body 21, multiple equidistant loop frames 23 on the top of the waterproof base 1, multiple equidistant horizontal plates 24 vertically arranged on the inner sidewalls of the loop frames 23, an upper vertical pipe 51 and a lower vertical pipe 53 arranged sequentially from top to bottom below the support 22, a sleeve 52 rotatably connecting the lower end of the upper vertical pipe 51 and the upper end of the lower vertical pipe 53, and the lower end of the lower vertical pipe 53 extending between two adjacent loop frames 23. Multiple branch pipes 54 are vertically and equidistantly arranged on both sides and extend into the interior of the same side loop frame 23. Each branch pipe 54 corresponds to a horizontal plate 24 on the same side. A nozzle 55 is provided at the bottom of the branch pipe 54. An angle adjustment mechanism 4 is provided at the upper end of the upper vertical pipe 51. An adjustment mechanism 3 is provided between the bracket 22 and the angle adjustment mechanism 4 to adjust the front-back position and lateral position of the upper vertical pipe 51. A drive mechanism 6 for rotating the lower vertical pipe 53 is provided between the upper vertical pipe 51 and the lower vertical pipe 53. A connection mechanism 7 for connecting with the pipeline is provided at the upper end of the upper vertical pipe 51.

[0027] In this embodiment, multiple horizontal plates 24 are arranged in layers to hold mushroom logs. A connecting mechanism 7 connects a water tap and an upper vertical pipe 51 via a flexible hose. Turning on the water tap allows water to be supplied to the upper vertical pipe 51. The water flows sequentially through the hose, connecting mechanism 7, upper vertical pipe 51, pipe sleeve 52, lower vertical pipe 53, and multiple branch pipes 54, finally being sprayed from nozzles 55 on the branch pipes 54 onto the mushroom logs on the horizontal plates 24. Each nozzle 55 on each branch pipe 54 corresponds to a mushroom log on each layer of horizontal plates 24. Simultaneously, an adjusting mechanism 3 adjusts the positions of the branch pipes 54 and nozzles 55 along the length of the horizontal plates 24 to achieve uniform watering of the mushroom logs at different layers, thus promoting mushroom growth and increasing mushroom yield. This improves water resource utilization and reduces planting costs. The position of the branch pipe 54 is adjusted by the drive mechanism 6, causing it to move out of the loop frame 23. Then, the tilt state of the upper vertical pipe 51, pipe sleeve 52, lower vertical pipe 53 and multiple branch pipes 54 is adjusted by the angle adjustment mechanism 4, that is, raised upward and adjusted from a vertical state to a horizontal state. Then, the horizontal position of the upper vertical pipe 51, pipe sleeve 52, lower vertical pipe 53 and multiple branch pipes 54 is adjusted by the positioning mechanism 3, and placed between the other two adjacent loop frames 23. Then, it is adjusted back to a vertical state and rotated back to the original state, so that the branch pipe 54 and nozzle 55 enter the interior of the loop frames 23 on both sides and correspond to the horizontal plate 24, so as to realize water replenishment for the mushroom sticks in different positions.

[0028] Preferably, in another embodiment of the present invention, there are multiple nozzles 55, all of which are located at the end of the branch pipe 54 away from the lower vertical pipe 53, and the nozzles 55 are located inside the loop frame 23.

[0029] In this embodiment, the water sprayed from the nozzle 55 can be directly sprayed onto the mushroom sticks on the horizontal plate 24 to achieve targeted water replenishment and improve the efficiency of water replenishment. There are multiple nozzles 55, which can spray out a sufficient amount of clean water.

[0030] Preferably, as another embodiment of the present invention, the angle adjustment mechanism 4 includes a concave frame 41, a connecting rod 42 and a motor 43. The concave frame 41 is provided below the bracket 22. The upper vertical tube 51 is provided on both sides with connecting rods 42 that are rotatably connected to the inner sidewall of the concave frame 41 and pass through to its outer side. The concave frame 41 is provided with a motor 43 whose output shaft is coaxially connected to one end of one of the connecting rods 42.

[0031] In this embodiment, the motor 43 on the concave frame 41 is started, and its output shaft can drive one of the connecting rods 42 to rotate. One end of the connecting rod 42 is connected to the upper vertical pipe 51. Therefore, it can rotate around the upper vertical pipe 51 with the output shaft as the center, and then rotate around the pipe sleeve 52, the lower vertical pipe 53 and multiple branch pipes 54, that is, adjust between the vertical state and the horizontal state.

[0032] Preferably, in another embodiment of the present invention, the adjusting mechanism 3 includes a linear module 31, a connecting block 32, a sliding shaft 33, a slider 34, and a linear module 35. The linear module 31 is horizontally arranged below the support 22. The movable end of the linear module 31 is connected to the top of the concave frame 41. Two sliding shafts 33 are spaced apart below the support 22. The two ends of the sliding shafts 33 are fixedly fitted with connecting blocks 32 whose upper ends are connected to the bottom of the support 22. The sliders 34 whose lower ends are connected to the top of the linear module 31 are slidably fitted on the sliding shafts 33. The bottom of the support 22 is provided with a linear module 35 whose movable end is connected to the top of the linear module 31.

[0033] In this embodiment, the second linear module 35 can adjust the position of the first linear module 31 along the front-back direction, while the first linear module 31 can adjust the position of the angle adjustment mechanism 4 in the lateral direction. Therefore, the lateral and front-back positions of the upper vertical pipe 51, the sleeve 52, the lower vertical pipe 53 and the multiple branch pipes 54 are indirectly adjusted. The combination of the connecting block 32, the sliding shaft 33 and the slider 34 can provide directional guidance and support for the movement of the first linear module 31.

[0034] Preferably, in another embodiment of the present invention, the drive mechanism 6 includes a second motor 61, a main synchronous pulley 62, a driven synchronous pulley 63, a synchronous belt 64, and a frame 65. The frame 65 is fixedly sleeved on the upper vertical tube 51, and the second motor 61 is mounted on the frame 65. The output shaft of the second motor 61 is provided with the main synchronous pulley 62, and the upper end of the lower vertical tube 53 is provided with the driven synchronous pulley 63. The main synchronous pulley 62 and the driven synchronous pulley 63 are connected by a synchronous belt 64.

[0035] In this embodiment, the motor 61 on the frame 65 can drive the main synchronous pulley 62 to rotate, and the main synchronous pulley 62 can drive the synchronous belt 64 to rotate. The rotating synchronous belt 64 drives the slave synchronous pulley 63 on the lower vertical pipe 53 to rotate, thereby driving the lower vertical pipe 53, and thus rotating the position of the branch pipe 54.

[0036] Preferably, as another embodiment of the present invention, the connecting mechanism 7 includes a corrugated pipe 71, an interface 72 and a connecting sleeve 73. The upper end of the upper vertical pipe 51 is provided with a corrugated pipe 71, and the other end of the corrugated pipe 71 is provided with an interface 72. A connecting sleeve 73, one end of which is connected to the inner side wall of the concave frame 41, is fixedly sleeved on the interface 72.

[0037] In this embodiment, the interface 72 can be connected to a hose, and the hose can be connected to a faucet. When the faucet is turned on, clean water will pass through the hose, the interface 72 and the corrugated pipe 71 in sequence, and finally enter the upper vertical pipe 51 to provide water for the subsequent replenishment of water for the shiitake mushrooms.

[0038] Working principle: Mushroom sticks can be placed on the horizontal plates 24 of each layer. Interface 72 connects the faucet and the upper vertical pipe 51 via a flexible hose. Turning on the faucet allows clean water to be supplied to the upper vertical pipe 51. The water flows sequentially through the flexible hose, interface 72, corrugated pipe 71, upper vertical pipe 51, pipe sleeve 52, lower vertical pipe 53, and multiple branch pipes 54. Finally, it is sprayed from the nozzles 55 on the branch pipes 54 onto the mushroom sticks on the horizontal plates 24. Each nozzle 55 on each branch pipe 54 corresponds to a mushroom stick on each layer of the horizontal plates 24. Simultaneously, the linear module 35 adjusts the positions of the branch pipes 54 and nozzles 55 along the length of the horizontal plates 24 to achieve uniform watering of the mushroom sticks on different layers, which is beneficial for the growth of shiitake mushrooms, increases the yield, improves water resource utilization, and reduces planting costs. The starting motor 61... In conjunction with the transmission action of the main synchronous pulley 62, the driven synchronous pulley 63, and the synchronous belt 64, the lower vertical pipe 53 is driven to rotate to adjust the position of the branch pipe 54, so that it moves out of the loop frame 23. Then, the motor 43 is started, and through the connecting rod 42, the tilt state of the upper vertical pipe 51, the pipe sleeve 52, the lower vertical pipe 53, and multiple branch pipes 54 is adjusted, that is, raised upward, from the vertical state to the horizontal state. Then, the horizontal position of the upper vertical pipe 51, the pipe sleeve 52, the lower vertical pipe 53, and multiple branch pipes 54 is adjusted by the linear module 31, and placed between the other two adjacent loop frames 23. Then, it is adjusted back to the vertical state and rotated back to the original state, so that the branch pipe 54 and the nozzle 55 enter the interior of the loop frames 23 on both sides and correspond to the horizontal plate 24, so as to realize the watering of the mushroom sticks in different positions.

[0039] In the description of this specification, the references to terms such as "embodiment," "one implementation," "some implementations," "illustrative implementation," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with the described implementation or example is included in at least one implementation or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same implementation or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more implementations or examples.

[0040] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this utility model without inventive effort, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.

Claims

1. A mushroom cultivation greenhouse, characterized in that: The system includes a waterproof base (1), a greenhouse body (21) on top of the waterproof base (1), a support (22) on the inner top wall of the greenhouse body (21), a plurality of loop frames (23) equidistantly arranged on the top of the waterproof base (1), a plurality of horizontal plates (24) equidistantly arranged vertically on the inner side wall of the loop frames (23), an upper vertical pipe (51) and a lower vertical pipe (53) arranged sequentially from top to bottom below the support (22), a sleeve (52) rotatably connecting the lower end of the upper vertical pipe (51) and the upper end of the lower vertical pipe (53), the lower end of the lower vertical pipe (53) extending to the space between two adjacent loop frames (23), and vertically equidistantly arranged on both sides of the lower vertical pipe (53). Multiple branch pipes (54) extending into the inside of the same side of the loop frame (23) are provided. Each of the multiple branch pipes (54) on the same side corresponds to one of the multiple horizontal plates (24) on the same side. The bottom of the branch pipe (54) is provided with a nozzle (55). The upper end of the upper vertical pipe (51) is provided with an angle adjustment mechanism (4). The bracket (22) and the angle adjustment mechanism (4) are provided with a positioning mechanism (3) for adjusting the front-back position and lateral position of the upper vertical pipe (51). The upper vertical pipe (51) and the lower vertical pipe (53) are provided with a drive mechanism (6) for rotating the lower vertical pipe (53). The upper end of the upper vertical pipe (51) is provided with a connection mechanism (7) for connecting with the pipeline.

2. The mushroom cultivation greenhouse according to claim 1, characterized in that, The number of nozzles (55) is multiple and they are all located at one end of the branch pipe (54) away from the lower vertical pipe (53). The nozzles (55) are located inside the loop frame (23).

3. The mushroom cultivation greenhouse according to claim 1, characterized in that, The angle adjustment mechanism (4) includes a concave frame (41), a connecting rod (42) and a motor (43). The concave frame (41) is provided below the bracket (22). The upper vertical tube (51) is provided with connecting rods (42) on both sides that are rotatably connected to the inner wall of the concave frame (41) and pass through to its outer side. The concave frame (41) is provided with a motor (43) whose output shaft is coaxially connected to one end of one of the connecting rods (42).

4. A mushroom cultivation greenhouse according to claim 3, characterized in that, The adjustment mechanism (3) includes a linear module one (31), a connecting block (32), a sliding shaft (33), a slider (34), and a linear module two (35). The linear module one (31) is horizontally arranged below the bracket (22). The moving end of the linear module one (31) is connected to the top of the concave frame (41). Two sliding shafts (33) are spaced apart below the bracket (22). Both ends of the sliding shaft (33) are fixedly fitted with a connecting block (32) whose upper end is connected to the bottom of the bracket (22). A slider (34) whose lower end is connected to the top of the linear module one (31) is slidably fitted on the sliding shaft (33). The bottom of the bracket (22) is provided with a linear module two (35) whose moving end is connected to the top of the linear module one (31).

5. A mushroom cultivation greenhouse according to claim 1, characterized in that, The drive mechanism (6) includes a second motor (61), a main synchronous pulley (62), a secondary synchronous pulley (63), a synchronous belt (64), and a frame (65). The frame (65) is fixedly sleeved on the upper vertical tube (51), and the second motor (61) is mounted on the frame (65). The output shaft of the second motor (61) is equipped with the main synchronous pulley (62). The upper end of the lower vertical tube (53) is equipped with the secondary synchronous pulley (63). The main synchronous pulley (62) and the secondary synchronous pulley (63) are connected by a synchronous belt (64).

6. A mushroom cultivation greenhouse according to claim 3, characterized in that, The connecting mechanism (7) includes a corrugated pipe (71), an interface (72) and a connecting sleeve (73). The upper end of the upper vertical pipe (51) is provided with a corrugated pipe (71), and the other end of the corrugated pipe (71) is provided with an interface (72). A connecting sleeve (73) with one end connected to the inner wall of the concave frame (41) is fixedly sleeved on the interface (72).

Images