Greenhouse sunshade device

Abstract

The utility model provides a greenhouse sun-shading device, the sun-shading device is arranged in a greenhouse, the sun-shading assembly comprises a sun-shading net roll, a placing seat and a winding and unwinding mechanism, the winding and unwinding mechanism comprises a rotating shaft, a motor, a first synchronous belt wheel set and an unfolding mechanism, the placing seat is fixedly installed on the greenhouse, and the rotating shaft is fixedly installed on the placing seat. The rotating shaft is fixedly inserted into a roll core of the sunshade net roll, the rotating shaft is rotatably mounted on the placement seat, the motor is fixedly mounted on the placement seat, the motor is connected with one end of the rotating shaft through the first synchronous pulley set, the unfolding mechanism is connected with one end of the rotating shaft, and the unfolding mechanism is connected with the other end of the rotating shaft through the second synchronous pulley set. And the outer side part of the sunshade net roll is connected with the unfolding mechanism. When sun shading is needed, the shading net can be quickly unfolded, the labor amount of workers is reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the agricultural planting equipment technical field, especially, relate to a sunshade device of big -arch shelter. BACKGROUND

[0002] Plastic greenhouse is generally made of light steel pipe or pipe material as the framework, and is made into column, pull rod, arch rod and pressure bar, and is covered with plastic film to become an arched shed. The greenhouse covering plastic film planting method can regulate the temperature, humidity and light intensity of the growth of crops such as vegetables to a certain extent, thereby reducing diseases and pests, and is helpful to promote high-quality and high-yield crops, and is one of the effective means to increase farmers' income.

[0003] However, in the midsummer, the light intensity is large, the temperature in the shed is high, and sunshade is needed to reduce the light intensity and the temperature to a certain extent. At present, when the sunshade net is collected and released manually or by a roller shutter, the sunshade net is collected and released from one side of the greenhouse to the other side as a whole, and the operation of the sunshade net is complicated, the sunshade net is not smooth to collect and release, the time for collecting and releasing the sunshade net is long, the efficiency is low, and the labor intensity is large.

[0004] Therefore, the above problems need to be solved. CONTENT OF THE UTILITY MODEL

[0005] In view of the above-mentioned defects of the prior art, the utility model aims to provide a sunshade device for a greenhouse, which solves the technical problems of complicated operation, poor smoothness, long time, low efficiency, time-consuming and labor-consuming and large labor intensity in the process of collecting and releasing the sunshade net in the prior art.

[0006] To achieve the above-mentioned purposes and other related purposes, the utility model provides a sunshade device for a greenhouse, which is arranged in a shed, and comprises:

[0007] A sunshade assembly comprises a sunshade net roll, a placing seat and a collecting and releasing roll mechanism, the collecting and releasing roll mechanism comprises a rotating shaft, a motor, a first synchronous pulley set and an unfolding mechanism, the placing seat is fixedly installed on the shed, the rotating shaft is fixedly inserted into the roll core of the sunshade net roll, the rotating shaft is rotatably installed on the placing seat, the motor is fixedly installed on the placing seat, the motor is connected with one end of the rotating shaft through the first synchronous pulley set, the unfolding mechanism is connected with one end of the rotating shaft, and the outer side of the sunshade net roll is connected with the unfolding mechanism.

[0008] In this way, the rotating shaft is driven to rotate by the motor, the sunshade net roll is driven to rotate by the rotating shaft, and the unfolding mechanism is pulled, so that the sunshade net is unwound from the sunshade net roll and unfolded in the shed, thereby playing a sunshade role.

[0009] Preferably, the unfolding mechanism comprises a pull rope and a pull rope mechanism, the pull rope mechanism comprises a moving end and a fixed end, two ends of the pull rope are fixed on the moving end and the fixed end respectively, the moving end comprises a sunshade net fixing rod, a roller frame and a roller seat, the roller frame is fixedly installed in the shed along the length direction of the shed, the roller frame has a limiting groove, the roller of the roller seat rolls in the limiting groove, the sunshade net fixing rod is fixedly installed above the roller seat and is arranged horizontally along the width direction of the shed, and the outer side of the sunshade net roll is fixedly connected to the sunshade net fixing rod. Through the pull rope mechanism, only one motor is needed to realize automatic unfolding and rolling of the sunshade net, and the cost is reduced.

[0010] Preferably, the fixed end comprises a second synchronous pulley set, a fixed pulley set and a rolling disc, the rolling disc is vertically rotatably installed on the outer side of the placing seat and is connected through the second synchronous pulley set and the rotating shaft, the fixed pulley set is fixedly installed on the roller frame and in the shed, and the pull rope is fixedly connected to the roller seat and the rolling disc at two ends after passing through the fixed pulley set. Through the fixed end, the pull rope can be rolled and unrolled, the sunshade net roll is unfolded when rolled, and the sunshade net is better rolled when unrolled.

[0011] Preferably, the fixed pulley set comprises a first fixed pulley arranged at one end of the roller frame away from the sunshade net roll and a second fixed pulley arranged on the shed, the first fixed pulley is located outside the limiting groove, and the second fixed pulley is linearly arranged on one side of the shed along the length direction of the shed. Through the fixed pulley set, the direction of the pull rope can be changed, and the sunshade net roll is pulled by the pull rope and the pull rope is rolled.

[0012] Preferably, the limiting groove is provided with a limiting plate at one end away from the sunshade net roll, the limiting plate is provided with a through hole, and the pull rope passes through the through hole and is sequentially matched with the first fixed pulley and the second fixed pulley. Through the limiting plate, the roller seat can be limited, and the pull rope can always be in the limiting groove.

[0013] Preferably, the roller seat comprises a roller and a connecting seat, the roller is rotatably installed below the connecting seat, the sunshade net fixing rod is fixedly installed above the connecting seat, the connecting seat is further provided with a connecting hole, and one end of the pull rope is fixedly connected to the connecting seat through the connecting hole.

[0014] Preferably, the roller is provided with two or more rollers arranged side by side or in parallel. Through the rollers arranged side by side or in parallel, the offset of the connecting seat during movement is reduced, and the movement of the sunshade net is more stable.

[0015] Preferably, the support roller is arranged in the shed through a support frame rotation, the support roller is linearly arranged on both sides of the roller frame, and the upper surface of the support roller is lower than the lower surface of the sunshade net fixing rod.

[0016] The utility model discloses the beneficial effect lies in: when using the utility model, the rotation of the sunshade net roll is driven through the rotation of the shaft, and the sunshade net is unreeled and expanded in the shed, thereby playing the role of sunshade, and the sunshade net can be unreeled and expanded quickly when sunshade is needed, thereby reducing the labor of workers and improving work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The overall structure schematic diagram of the utility model is shown.

[0018] Figure 2 The overall structure schematic diagram of the utility model is shown.

[0019] Figure 3 The enlarged schematic diagram of the utility model is shown. Figure 1 The enlarged schematic diagram of the utility model is shown.

[0020] Figure 4 The enlarged schematic diagram of the utility model is shown. Figure 2 The enlarged schematic diagram of the utility model is shown.

[0021] Figure 5 The structure schematic diagram of the roller seat is shown. DETAILED DESCRIPTION

[0022] The following specific embodiment explains the embodiment of the utility model, and the person skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification.

[0023] Please refer to Figures 1 to 5It is to be understood that the structure, proportion, size and the like shown in the drawings of the present application are only used to cooperate with the disclosed content, to be understood and read by those skilled in the art, and are not used to limit the implementation of the present application, so they do not have technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effect and purpose of the present application, should still fall within the scope of the disclosed technology.

[0024] As shown in Figures 1-5 A greenhouse sunshade device, comprising: a shed 1 and a sunshade net roll 6, the sunshade net is in a rolled state in the initial state, and is unrolled along the length direction of the shed 1 when shading is needed, thereby playing a shading role on the plants below, a placing seat 2 is installed in the shed 1, the sunshade net roll 6 is horizontally rotatably arranged on the placing seat 2 through a rotating shaft 3, a motor 4 is installed on the placing seat 2, a first synchronous pulley set 5 is arranged between the output end of the motor 4 and the rotating shaft 3, through the first synchronous pulley set 5, the motor 4 can drive the rotating shaft 3 to rotate, a winding disc 7 is also rotatably arranged on the placing seat 2, and the winding disc 7 and the rotating shaft 3 are connected through a second synchronous pulley set 8.

[0025] A roller frame 9 is fixedly arranged in the length direction of the shed 1, the roller frame 9 is arranged with a limiting groove 10 in a concave shape, a roller seat 11 is arranged in the limiting groove 10, the roller seat 11 comprises a connecting seat 18 and a roller 12, the roller seat 11 moves in the limiting groove 10 through the roller 12, a sunshade net fixing rod 13 for fixing the sunshade net is fixedly installed above the roller seat 11, the sunshade net fixing rod 13 is horizontally arranged along the width direction of the shed 1, the unrolling end of the sunshade net roll 6 is fixedly sleeved on the sunshade net fixing rod 13, a first fixed pulley 14 is arranged on the outer side of the end of the roller frame 9 away from the motor 4, a plurality of second fixed pulleys 15 are linearly arranged in the length direction of the shed 1, these fixed pulleys form a fixed pulley set, a limiting plate 16 is fixedly arranged in the limiting groove 10, the limiting plate 16 is arranged at the end away from the sunshade net roll, the limiting plate 16 has a through hole 17, one end of a pull rope (not shown in the figure) is fixedly connected to a connecting hole 19 of the connecting seat 18, the other end is matched on the first fixed pulley 14 after passing through the through hole 17 of the limiting plate 16 in the limiting groove 10, then the other end is fixedly connected to the winding disc 7, and the pull rope is in a tension state.

[0026] Specifically, the support roller 21 is rotatably arranged in the shed 1 by a support, the support roller 21 is linearly arranged at two sides of the roller frame 9, the upper surface of the support roller 21 is lower than the lower surface of the sunshade net fixing rod 13, and the axis of the support roller 21 is parallel to the axis of the sunshade net fixing rod 13.

[0027] Working principle:

[0028] When sunshade is needed, the motor is started to drive the sunshade net roll on the rotating shaft to rotate, and meanwhile drive the winding disc to rotate, the rotation of the winding disc can wind the pull rope, the pulley block is pulled after the winding disc to drive the roller seat to move in the limiting groove, so that the sunshade net fixing rod drives the sunshade net to move to the limiting plate along the length direction of the shed, and the rotationally arranged sunshade net roll facilitates the unwinding of the sunshade net; similarly, when sunshade is not needed, the third motor drives the rotating shaft to reverse, the sunshade net is wound through the reverse rotation of the rotating shaft, the roller seat is moved to the initial position, and the pull rope on the winding disc is unwound.

[0029] The above embodiments only exemplarily illustrate the principle and effect of the utility model, and are not used to limit the utility model. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A sunshade device for a greenhouse, the sunshade device being arranged in a house, characterized in that The utility model relates to a sunshade assembly, which comprises a sunshade net roll, a placing seat and a winding and unwinding mechanism, the winding and unwinding mechanism comprises a rotating shaft, a motor, a first synchronous pulley set and an unfolding mechanism, the placing seat is fixedly installed on the shed, the rotating shaft is fixedly inserted into the roll core of the sunshade net roll, the rotating shaft is rotatably installed on the placing seat, the motor is fixedly installed on the placing seat, the motor is connected with one end of the rotating shaft through the first synchronous pulley set, the unfolding mechanism is connected with one end of the rotating shaft, and the outer side of the sunshade net roll is connected with the unfolding mechanism. The unfolding mechanism comprises a pull rope and a pull rope mechanism, the pull rope mechanism comprises a moving end and a fixed end, and the two ends of the pull rope are fixedly connected with the moving end and the fixed end respectively, the moving end comprises a sunshade net fixing rod, a roller frame and a roller seat, the roller frame is fixedly installed in the shed along the length direction of the shed, the roller frame is provided with a limiting groove, the roller of the roller seat rolls in the limiting groove, the sunshade net fixing rod is fixedly installed above the roller seat and is arranged horizontally along the width direction of the shed, and the outer side of the sunshade net roll is fixedly connected with the sunshade net fixing rod.

2. The sunshade device for a greenhouse according to claim 1, characterized in that: The fixed end comprises a second synchronous pulley set, a fixed pulley set and a winding disc, the winding disc is rotatably installed on the outer side of the placing seat and is connected with the rotating shaft through the second synchronous pulley set, the fixed pulley set is fixedly installed on the roller frame and in the shed, and the pull rope is fixedly connected with the roller seat and the winding disc at the two ends after passing through the fixed pulley set.

3. The sunshade device for a greenhouse according to claim 2, characterized in that: The fixed pulley set comprises a first fixed pulley arranged at the end of the roller frame away from the sunshade net roll and a second fixed pulley arranged on the shed, the first fixed pulley is located outside the limiting groove, and the second fixed pulley is linearly arranged on one side of the shed along the length direction of the shed.

4. The sunshade device for a greenhouse according to claim 3, characterized in that: The limiting groove is provided with a limiting plate at the end away from the sunshade net roll, the limiting plate is provided with a through hole, the pull rope is sequentially matched with the first fixed pulley and the second fixed pulley after passing through the through hole, and the pull rope is in a tension state.

5. The sunshade device for a greenhouse according to any one of claims 2 to 4, characterized in that: The roller seat comprises a roller and a connecting seat, the roller is rotatably installed below the connecting seat, the sunshade net fixing rod is fixedly installed above the connecting seat, the connecting seat is further provided with a connecting hole, and one end of the pull rope is fixedly connected with the connecting seat through the connecting hole.

6. The sunshade device for a greenhouse according to any one of claims 2 to 4, characterized in that: The roller is provided with two or more rollers arranged side by side or in parallel.

7. The sunshade device for a greenhouse according to claim 6, characterized in that: The shed is provided with a supporting roller rotatably arranged through a support, the supporting roller is linearly arranged on the two sides of the roller frame, the axis of the supporting roller is parallel to the axis of the sunshade net fixing rod, and the height of the upper surface of the supporting roller is lower than the height of the lower surface of the sunshade net fixing rod.

8. The sunshade device for a greenhouse according to any one of claims 2 to 4, characterized in that: ​

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