Adjusting valve mechanism for seed drying

Abstract

The utility model relates to the technical field of seed drying equipment, in particular to an adjusting valve mechanism for seed drying, which comprises a frame body, an adjusting plate and a manual driving mechanism, the top of the frame body is provided with an opening, and the bottom of the frame body is provided with a plurality of uniformly distributed first vent holes; the adjusting plate is provided with a plurality of second ventilation holes matched with the first ventilation holes, the adjusting plate is arranged in the frame body, the manual driving mechanism is arranged on the side wall of the frame body, and the manual driving mechanism is in transmission connection with the adjusting plate. When a ventilation pipeline is too short or the ventilation pipeline is directly connected with a drying device, the adjusting plate is driven by the manual driving mechanism to move, so that the first ventilation hole and the second ventilation hole in the adjusting plate are staggered, the ventilation opening formed between the first ventilation hole and the second ventilation hole is gradually shrunk or enlarged, and the sections of all the ventilation openings are consistent; therefore, the drying uniformity of the seeds is ensured, and the drying efficiency and the drying quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a seed drying equipment technical field, concretely is a kind of adjusting valve mechanism for seed drying. BACKGROUND

[0002] The moisture uniformity of seed drying is the main basis for measuring the quality of seed drying. Seed drying is to continuously pass through the material layer of hot air of a certain temperature to take away the moisture in the seed. In the heating and ventilation system, the commonly used air volume regulating valve mechanism is mostly butterfly valve. This valve is also called flap valve. The valve plate is rotated by the rotation of valve shaft to control the ventilation section, so as to control the hot air flow. However, this valve mechanism also has the following shortcomings: when the ventilation pipeline is too short or directly connected with the drying device, the hot air passes through the two sides of the valve plate, and it cannot diffuse before entering the drying device, so it cannot achieve uniform ventilation effect, resulting in uneven seed drying, low drying efficiency, and even over-drying of the seed, completely losing the germination ability, causing economic loss. SUMMARY

[0003] In order to make up for the above shortcomings, the utility model provides an adjusting valve mechanism for seed drying to solve the problem of how to make the seed dry evenly when the ventilation pipeline is too short or directly connected with the drying device in the background technology.

[0004] The technical scheme of the utility model is as follows:

[0005] An adjusting valve mechanism for seed drying, comprising a frame, an adjusting plate and a manual driving mechanism for driving the adjusting plate to move, the top of the frame is provided with an open top, the bottom of the frame is provided with a plurality of uniformly distributed first ventilation holes, the adjusting plate is provided with a plurality of second ventilation holes matched with the first ventilation holes, the adjusting plate is arranged in the frame, the manual driving mechanism is arranged on the side wall of the frame, and the manual driving mechanism is in transmission connection with the adjusting plate.

[0006] Preferably, the frame and the adjusting plate are both rectangular, the bottom of the adjusting plate is provided with two symmetrically arranged sliding blocks, and two sliding grooves matched with the sliding blocks are formed in the inner bottom wall of the frame.

[0007] Preferably, the manual driving mechanism comprises a linkage rack, a rotating seat, a rotating shaft, a linkage gear, a force receiving wheel, a driving handle matched with the force receiving wheel and a self-locking assembly for self-locking the force receiving wheel, the linkage rack is arranged on the top of the adjusting plate, the rotating seat is arranged on the side wall of the frame, the rotating shaft is rotatably arranged on the rotating seat, the linkage gear is arranged on the rotating shaft and engaged with the linkage rack, the force receiving wheel is arranged on one end of the rotating shaft, and the self-locking assembly is arranged on the side wall of the frame.

[0008] Preferably, two linkage racks, two linkage gears and two rotating seats are arranged, the two rotating seats are symmetrically arranged on the two side walls of the frame body, the rotating shaft is rotatably arranged on the two rotating seats, the two linkage racks are symmetrically arranged on the top of the adjusting plate, the two linkage gears are symmetrically arranged on the rotating shaft, and the two linkage gears are engaged with the two linkage racks respectively.

[0009] Preferably, the outer wall of the force bearing wheel is provided with a plurality of embedded grooves arranged at equal angles along the circumference thereof, the side wall of the driving handle is provided with a plurality of insertion blocks inserted into the embedded grooves in a matching mode, the self-locking assembly comprises a telescopic frame, the telescopic frame is slidably provided with a telescopic block inserted into the embedded grooves in a matching mode, the back of the telescopic block is provided with a spring, and the telescopic frame is arranged on the side wall of the frame body.

[0010] Preferably, the frame body and the adjusting plate are circular, the bottom of the adjusting plate is provided with a synchronous shaft, and the bottom of the frame body is provided with a rotating groove rotatably matched with the synchronous shaft.

[0011] Preferably, the manual driving mechanism comprises an arc-shaped rack, a rotating seat, a rotating shaft, a linkage gear, a force bearing wheel, a driving handle matched with the force bearing wheel and a self-locking assembly for self-locking the force bearing wheel, the arc-shaped rack is arranged on the top of the adjusting plate, the rotating seat is arranged on the side wall of the frame body, the rotating shaft is rotatably arranged on the rotating seat, the linkage gear is arranged on the rotating shaft and engaged with the arc-shaped rack, the force bearing wheel is arranged on one end of the rotating shaft, and the self-locking assembly is arranged on the side wall of the frame body.

[0012] Preferably, the outer wall of the force bearing wheel is provided with a plurality of embedded grooves arranged at equal angles along the circumference thereof, the side wall of the driving handle is provided with a plurality of insertion blocks inserted into the embedded grooves in a matching mode, the self-locking assembly comprises a telescopic frame, the telescopic frame is slidably provided with a telescopic block inserted into the embedded grooves in a matching mode, the back of the telescopic block is provided with a spring, and the telescopic frame is arranged on the side wall of the frame body.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] When the ventilation pipeline is too short or directly connected with the drying device, the manual driving mechanism drives the adjusting plate to move, so that the first ventilation hole and the second ventilation hole on the adjusting plate are staggered, the ventilation opening formed between the first ventilation hole and the second ventilation hole is gradually reduced or gradually expanded, and all the ventilation openings are consistent in cross section, so that the uniformity of seed drying is ensured, and the drying efficiency and drying quality are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the first embodiment of the adjusting valve mechanism of the utility model;

[0016] Figure 2 It is the first embodiment partial structure schematic view of adjusting valve mechanism of the utility model,

[0017] Figure 3 It is the structure schematic view of self locking assembly of the utility model,

[0018] Figure 4 It is the second embodiment three-dimensional structure schematic view of adjusting valve mechanism of the utility model Figure 1 ;

[0019] Figure 5 It is the second embodiment three-dimensional structure schematic view of adjusting valve mechanism of the utility model Figure 2 .

[0020] In the figure,

[0021] 1, frame; 11, first vent; 12, sliding groove; 13, rotating groove; 2, adjusting plate; 21, second vent; 22, sliding block; 23, synchronous shaft; 3, manual drive mechanism; 31, linkage rack; 32, rotating seat; 33, rotating shaft; 34, linkage gear; 35, force wheel; 351, embedded groove; 36, drive handle; 361, insertion block; 37, arc-shaped rack; 38, self locking assembly; 381, telescopic frame; 382, telescopic block; 383, spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-5 , the above technical solutions are described in detail by the following embodiments:

[0024] An adjusting valve mechanism for seed drying, comprising a frame 1, an adjusting plate 2 and a manual drive mechanism 3 for driving the adjusting plate 2 to move, the top of the frame 1 is provided with an open top, the bottom of the frame 1 is provided with a plurality of uniformly distributed first vents 11, the adjusting plate 2 is provided with a plurality of second vents 21 matched with the first vents 11, the adjusting plate 2 is arranged in the frame 1, the manual drive mechanism 3 is arranged on the side wall of the frame 1, and the manual drive mechanism 3 is in transmission connection with the adjusting plate 2.

[0025] The utility model discloses when the ventilation pipeline is too short or directly connected with the drying device, the first ventilation hole 11 and the second ventilation hole 21 on the adjusting plate 2 are staggered by the manual drive mechanism 3 drive adjusting plate 2 moves, the ventilation opening formed between the first ventilation hole 11 and the second ventilation hole 21 also gradually reduces or gradually expands, all ventilation opening sections are consistent, thereby ensuring the uniformity of seed drying, improve drying efficiency and drying quality.

[0026] The utility model discloses according to different connection situation also set up two embodiments.

[0027] The first embodiment, frame body 1 and adjusting plate 2 are all rectangular, the bottom of adjusting plate 2 is equipped with two symmetrical slide blocks 22, and two slide grooves 12 matched with the slide blocks 22 are formed in the inner bottom wall of frame body 1.

[0028] The rectangular frame body 1 can be connected with the rectangular connecting port of the drying device.

[0029] The manual drive mechanism 3 includes a linkage rack 31, a rotating seat 32, a rotating shaft 33, a linkage gear 34, a force wheel 35, a driving handle 36 matched with the force wheel 35 and a self-locking assembly 38 for self-locking the force wheel 35, the linkage rack 31 is arranged on the top of the adjusting plate 2, the rotating seat 32 is arranged on the side wall of the frame body 1, the rotating shaft 33 is rotatably arranged on the rotating seat 32, the linkage gear 34 is arranged on the rotating shaft 33, and the linkage gear 34 is engaged with the linkage rack 31, the force wheel 35 is arranged on one end of the rotating shaft 33, and the self-locking assembly 38 is arranged on the side wall of the frame body 1.

[0030] The driving handle 36 and the force wheel 35 can be manually driven to rotate the rotating shaft 33, the rotating shaft 33 can drive the linkage gear 34 to rotate, the linkage gear 34 can drive the linkage rack 31 to move, the linkage rack 31 drives the adjusting plate 2 to move, and the movement of the adjusting plate 2 can be guided through the cooperation of the slide groove 12 and the slide block 22, so that the size of the ventilation opening can be changed.

[0031] The linkage rack 31, the linkage gear 34 and the rotating seat 32 are all provided with two, the two rotating seats 32 are symmetrically arranged on the two side walls of the frame body 1, the rotating shaft 33 is rotatably arranged on the two rotating seats 32, the two linkage racks 31 are symmetrically arranged on the top of the adjusting plate 2, the two linkage gears 34 are symmetrically arranged on the rotating shaft 33, and the two linkage gears 34 are engaged with the two linkage racks 31 respectively.

[0032] The two linkage racks 31, the two linkage gears 34 and the two rotating seats 32 can make the rotating shaft 33 rotate more stably, compared with the combination mode of a single linkage rack 31, a single linkage gear 34 and a single rotating seat 32, the rotating shaft 33 has the disadvantage of blocking part of the ventilation opening.

[0033] The outer wall of the force wheel 35 is provided with a plurality of embedded grooves 351 arranged at equal angles along the circumference thereof, the side wall of the driving handle 36 is provided with a plurality of insertion blocks 361 inserted and matched with the embedded grooves 351, the self-locking assembly 38 comprises a telescopic frame 381, the telescopic frame 381 is internally provided with a telescopic block 382 inserted and matched with the embedded grooves 351, the back of the telescopic block 382 is provided with a spring 383, and the telescopic frame 381 is arranged on the side wall of the frame body 1.

[0034] The elastic force of the spring 383 can drive the telescopic block 382 to extend outwardly from the telescopic frame 381, the telescopic block 382 can be inserted into one of the embedded grooves 351, and then the force wheel 35 is automatically locked to avoid the shift of the rotating shaft 33.

[0035] In the second embodiment, the frame body 1 and the adjusting plate 2 are both circular, the bottom of the adjusting plate 2 is provided with a synchronous shaft 23, and the bottom of the frame body 1 is provided with a rotating groove 13 rotationally matched with the synchronous shaft 23.

[0036] The circular frame body 1 can be connected with a circular connecting port of the drying device.

[0037] The manual driving mechanism 3 comprises an arc-shaped rack 37, a rotating seat 32, a rotating shaft 33, a linkage gear 34, a force wheel 35, a driving handle 36 matched with the force wheel 35, and a self-locking assembly 38 for automatically locking the force wheel 35, the arc-shaped rack 37 is arranged on the top of the adjusting plate 2, the rotating seat 32 is arranged on the side wall of the frame body 1, the rotating shaft 33 is rotationally arranged on the rotating seat 32, the linkage gear 34 is arranged on the rotating shaft 33 and is engaged with the arc-shaped rack 37, the force wheel 35 is arranged on one end of the rotating shaft 33, and the self-locking assembly 38 is arranged on the side wall of the frame body 1.

[0038] The rotating shaft 33 can be manually driven to rotate by the cooperation of the driving handle 36 and the force wheel 35, the linkage gear 34 can be driven to rotate by the rotating shaft 33, the arc-shaped rack 37 can be driven to rotate around the axis of the synchronous shaft 23 by the linkage gear 34, the adjusting plate 2 is driven to rotate synchronously by the arc-shaped rack 37, so that the size of the ventilation port can be changed.

[0039] The outer wall of the force wheel 35 is provided with a plurality of embedded grooves 351 arranged at equal angles along the circumference thereof, the side wall of the driving handle 36 is provided with a plurality of insertion blocks 361 inserted and matched with the embedded grooves 351, the self-locking assembly 38 comprises a telescopic frame 381, the telescopic frame 381 is internally provided with a telescopic block 382 inserted and matched with the embedded grooves 351, the back of the telescopic block 382 is provided with a spring 383, and the telescopic frame 381 is arranged on the side wall of the frame body 1.

[0040] The driving modes of the two embodiments are same, and the working principle of the driving is as follows: firstly, the insertion block 361 of the driving handle 36 is aligned with the embedding groove 351 on the force receiving wheel 35, then the insertion block 361 is inserted into the embedding groove 351, one insertion block 361 can abut against the telescopic block 382, the telescopic block 382 can be retracted into the telescopic frame 381 after being abutted, then the telescopic block 382 is separated from the force receiving wheel 35, the force receiving wheel 35 loses the locking force, then the driving handle 36 is rotated, the driving handle 36 drives the force receiving wheel 35 to rotate, then the rotating shaft 33 can rotate, the driving handle 36 is removed, the elastic force of the spring 383 drives the telescopic block 382 to be inserted into another embedding groove 351, so that the quick self-locking is realized.

Claims

1. A regulating valve mechanism for seed drying, characterized by: The utility model provides a kind of air conditioner, including frame (1), adjusting plate (2) and for driving adjusting plate (2) movement manual drive mechanism (3), the top of the frame (1) is equipped with open, the bottom of the frame (1) is equipped with several first ventilation holes (11) evenly distributed, the adjusting plate (2) is equipped with several second ventilation holes (21) matching first ventilation hole (11), the adjusting plate (2) is arranged in frame (1), the manual drive mechanism (3) is arranged on the side wall of frame (1), and manual drive mechanism (3) is transmission connection with adjusting plate (2).

2. The regulating valve mechanism for seed drying according to claim 1, characterized by: The frame (1) and adjusting plate (2) are both rectangular, the bottom of the adjusting plate (2) is equipped with two symmetrically arranged sliders (22), and the inner bottom wall of the frame (1) is provided with two sliding grooves (12) matched with the sliders (22).

3. The regulating valve mechanism for seed drying according to claim 2, characterized by: The manual drive mechanism (3) includes a linkage rack (31), a rotating seat (32), a rotating shaft (33), a linkage gear (34), a force wheel (35), a driving handle (36) matched with the force wheel (35), and a self-locking assembly (38) for self-locking the force wheel (35). The linkage rack (31) is arranged on the top of the adjusting plate (2), the rotating seat (32) is arranged on the side wall of the frame (1), the rotating shaft (33) is rotatably arranged on the rotating seat (32), the linkage gear (34) is arranged on the rotating shaft (33), and the linkage gear (34) is engaged with the linkage rack (31). The force wheel (35) is arranged on one end of the rotating shaft (33), and the self-locking assembly (38) is arranged on the side wall of the frame (1).

4. The regulating valve mechanism for seed drying according to claim 3, characterized in that: The linkage rack (31), the linkage gear (34), and the rotating seat (32) are all provided with two, the two rotating seats (32) are symmetrically arranged on the two side walls of the frame (1), the rotating shaft (33) is rotatably arranged on the two rotating seats (32), the two linkage racks (31) are symmetrically arranged on the top of the adjusting plate (2), the two linkage gears (34) are symmetrically arranged on the rotating shaft (33), and the two linkage gears (34) are respectively engaged with the two linkage racks (31).

5. A regulating valve mechanism for seed drying according to claim 3 or 4, characterized in that: The outer wall of the force wheel (35) is provided with a plurality of embedded grooves (351) arranged at equal angles along the circumference, the side wall of the driving handle (36) is provided with a plurality of insertion blocks (361) inserted and matched with the embedded grooves (351), and the self-locking assembly (38) includes a telescopic frame (381). The telescopic frame (381) is slidably provided with a telescopic block (382) inserted and matched with the embedded grooves (351) inside, the back of the telescopic block (382) is provided with a spring (383), and the telescopic frame (381) is arranged on the side wall of the frame (1).

6. The regulating valve mechanism for seed drying of claim 1, wherein: The frame (1) and the adjusting plate (2) are both circular, the bottom of the adjusting plate (2) is provided with a synchronous shaft (23), and the bottom of the frame (1) is provided with a rotating groove (13) rotationally matched with the synchronous shaft (23).

7. The regulating valve mechanism for seed drying according to claim 6, characterized by: The manual driving mechanism (3) comprises an arc-shaped rack (37), a rotating seat (32), a rotating shaft (33), a linkage gear (34), a force receiving wheel (35), a driving handle (36) matched with the force receiving wheel (35), and a self-locking assembly (38) for self-locking the force receiving wheel (35), the arc-shaped rack (37) is arranged on the top of the adjusting plate (2), the rotating seat (32) is arranged on the side wall of the frame body (1), the rotating shaft (33) is rotatably arranged on the rotating seat (32), the linkage gear (34) is arranged on the rotating shaft (33) and is engaged with the arc-shaped rack (37), the force receiving wheel (35) is arranged on one end of the rotating shaft (33), and the self-locking assembly (38) is arranged on the side wall of the frame body (1).

8. The regulating valve mechanism for seed drying according to claim 7, characterized by: A plurality of embedded grooves (351) are arranged on the outer wall of the force receiving wheel (35) at equal angles along the circumference, a plurality of insertion blocks (361) are arranged on the side wall of the driving handle (36) and are inserted into the embedded grooves (351) in a matched mode, the self-locking assembly (38) comprises a telescopic frame (381), a telescopic block (382) is slidably arranged in the telescopic frame (381) and is inserted into the embedded grooves (351) in a matched mode, a spring (383) is arranged on the back of the telescopic block (382), and the telescopic frame (381) is arranged on the side wall of the frame body (1).

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