A raw material conveying device for producing a kudzu powder cookie

Abstract

The application discloses a raw material conveying device for producing kudzu powder cakes and relates to the technical field of chain conveyors, which comprises a supporting frame, a conveyor is fixedly connected to the top of the supporting frame, a conveying belt is arranged in the conveyor, a feeding mechanism is arranged on the top of the conveying belt, and automatic quantitative feeding control is achieved through linkage and stirring design of the baffle and the open-close plate. The mechanism innovatively adopts an intermittent feeding mode, which has the following improvements compared with the traditional manual pouring mode: the uneven material accumulation phenomenon caused by manual pouring is eliminated, the rolling of small materials from both sides of the conveying belt is effectively prevented, large-capacity storage bins are supported to continuously feed materials, work efficiency is improved, continuous and stable operation of the conveying line is ensured, and the frequency of manual intervention is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of chain conveyors, in particular to a raw material conveying device for guber puff production. BACKGROUND

[0002] Transportation refers to the logistics activities of safely and on time transporting objects of certain shape, quality and volume from one place to another place with specific equipment and tools, which is the spatial displacement of objects in different geographical areas for the purpose of changing the spatial position of objects;

[0003] The patent application with the publication number CN112978224A discloses an automatic chemical raw material conveying device, which belongs to the field of chemical technology and comprises a conveying belt, a fixed plate, a fixed frame, a rotating shaft A, a chute embedded in the outer side of the conveying belt, a groove fixedly arranged on the inner side of the conveying belt, and a rotating shaft A fixedly connected to the center of the two ends of the inner side of the conveying belt. The device classifies and transports chemical raw materials through solid material transportation boxes and liquid material transportation boxes, avoids mutual pollution between raw materials caused by concentrated transportation, and realizes the rotation of the conveying belt through the rotation of the rotating shaft A driven by an external motor and the rotation of the gear in the groove.

[0004] The raw materials for guber puff production are mainly various powdery materials such as guber powder and flour, which are formed through mutual fusion and fermentation. However, when the raw materials are transported by the conveyor, the particles are small and may roll off the conveying belt when transported to a high place, increasing the difficulty of transportation. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a raw material conveying device for guber puff production, which achieves the purpose of solving the above problems.

[0006] To achieve the above purpose, the present application is implemented by the following technical solution: a raw material conveying device for guber puff production, comprising a support frame, a conveyor fixedly connected to the top of the support frame, a conveying belt arranged inside the conveyor, and a feeding mechanism arranged on the top of the conveying belt.

[0007] The feeding mechanism comprises:

[0008] A baffle in the form of an arc-shaped plate, a fixed box fixedly connected to the top of the conveyor, a containing box fixedly connected to the top of the fixed box, an inlet chute opened in the top of the fixed box, and the baffle for blocking the raw material particles.

[0009] The inlet chute is a circular groove, which is opened in the top of the fixed box, and the fixed box is internally provided with an opening and closing plate and a rotating plate for containing raw material particles.

[0010] Preferably, the inner wall of the fixed box is fixedly connected with a partition plate, the bottom of the partition plate is fixedly connected with an arc-shaped plate, the inner wall of the arc-shaped plate is rotatably connected with a rotating sleeve, the inner wall of the rotating sleeve is rotatably connected with a rotating shaft, the two ends of the rotating shaft are fixedly connected with the inner wall of the fixed box, and the bottom of the rotating sleeve is fixedly connected with the top of the opening and closing plate.

[0011] Preferably, the bottom of the opening and closing plate is fixedly connected with an arc-shaped block, one side of the opening and closing plate is fixedly connected with a first magnetic plate, and the inner wall of the fixed box is fixedly connected with a second magnetic plate.

[0012] Preferably, the second magnetic plate and the first magnetic plate have magnetism, and the magnetism of the side of the second magnetic plate and the first magnetic plate close to each other is that opposite poles attract.

[0013] Preferably, the inner wall of the fixed box is rotatably connected with a hinged rod, one end of the hinged rod is fixedly connected with the inner wall of the fixed box through a torsional spring, and one side of the hinged rod is fixedly connected with one side of the rotating plate.

[0014] Preferably, the bottom of the arc-shaped block is fixedly connected with a pull rope, and the other end of the pull rope is fixedly connected with the bottom of the rotating plate.

[0015] Preferably, one side of the opening and closing plate is provided with a dispersion mechanism, the dispersion mechanism comprises a telescopic rod, one end of the telescopic rod is hinged with one side of the opening and closing plate, the other end of the telescopic rod is hinged with the right side of the inner wall of the fixed box, the inner wall of the telescopic rod is provided with a built-in spring, the outer wall of the telescopic rod is fixedly connected with a connecting sleeve, and the outer wall of the connecting sleeve is fixedly connected with a poking rod.

[0016] Preferably, the outer wall of the telescopic rod is provided with a fine one-way valve and a coarse one-way valve, the fine one-way valve is in communication with the inside of the telescopic rod, and the coarse one-way valve is in communication with the inside of the telescopic rod.

[0017] The application provides a raw material conveying device for gopher powder puff production, and belongs to the technical field of food industrial processing and intelligent manufacturing equipment.

[0018] 1. Automatic quantitative feeding control: through the linkage and poking design of the baffle and the opening and closing plate, the accurate quantitative feeding of the raw material is realized. The mechanism innovatively adopts an intermittent feeding mode, which has the following improvements compared with the traditional manual pouring method: eliminating the uneven accumulation of materials caused by manual pouring, effectively preventing small materials from rolling off from both sides of the conveying belt, supporting continuous feeding of large-capacity storage bins, improving work efficiency, ensuring continuous and stable operation of the conveying line, and reducing the frequency of manual intervention.

[0019] 2. Intelligent adjustment mechanism based on speed feedback: when the speed of the conveying belt increases, the rotating inertia drives the opening and closing plate to increase the opening angle, forming an expanded feeding channel.

[0020] overspeed protection mode: when the speed exceeds the threshold Vmax, the magnetic attraction force of the first magnetic plate and the second magnetic plate will lock the opening and closing plate in the fully open position, ensuring full capacity delivery under high speed working condition;

[0021] 3. Anti-sticking vibration system: through the arc block-pull rope-rotary plate transmission chain, mechanical vibration with adjustable amplitude is realized, the rotary plate inclination is automatically adjusted, and the separation efficiency of adhering raw materials is improved.

[0022] 4. When the opening and closing plate opens the feeding channel, the telescopic rod will change a certain angle, which can lift, press and move the raw materials accumulated in the fixed box, push the raw material particles adhered to each other, make them fall through the gap between each connecting sleeve, and ensure that the materials on the conveying belt are evenly scattered.

[0023] 5. When the telescopic rod retracts, the small one-way valve has a small diameter, and during the retraction process of the telescopic rod, the internal air can only be slowly discharged through the small one-way valve, forming a controllable damping effect, thereby delaying the reset action, giving the raw materials a certain time to fall, avoiding the situation that the opening and closing plate is pushed open and then closed, and ensuring the stability of raw material feeding.

[0024] 6. The rotation of the telescopic rod will drive the connecting sleeve and the stirring rod to rotate synchronously, so that the stirring rod can quickly stir the raw material particles in the fixed box, fully disperse the raw material particles adhered to each other due to moisture and friction, ensure the stability of the feeding speed, and avoid the uneven feeding phenomenon caused by squeezing and jamming. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a structural schematic diagram of the present application;

[0026] Figure 2 is a structural schematic diagram of the present application;

[0027] Figure 3 is a sectional structure schematic diagram of the present application Figure 1 ;

[0028] Figure 4 is an enlarged view of A of the present application Figure 1 ;

[0029] Figure 5 is an enlarged view of B of the present application Figure 3 ;

[0030] Figure 6 is a sectional structure schematic diagram of the present application Figure 2 ;

[0031] Figure 7 is a structural schematic diagram of the present application Figure 1 ;

[0032] Figure 8 Structure diagram of the feeding mechanism of the present application Figure 2 ;

[0033] Figure 9 Structure diagram of the feeding mechanism of the present application Figure 1 ;

[0034] Figure 10 Structure diagram of the feeding mechanism of the present application Figure 2 ;

[0035] Figure 11 Enlarged view of C of the present application Figure 3 ;

[0036] Figure 12 Structure diagram of the dispersing mechanism of the present application

[0037] Figure 13 Structure diagram of the dispersing mechanism of the present application

[0038] In the figure: 1 conveyor, 2 support frame, 3 feeding mechanism, 301 baffle, 302 holding box, 303 fixed box, 304 feeding slot, 305 isolation plate, 306 arc plate, 307 rotating sleeve, 308 rotating shaft, 309 opening and closing plate, 310 arc block, 311 first magnetic plate, 312 pull rope, 313 rotating plate, 314 hinged rod, 315 second magnetic plate, 4 dispersing mechanism, 401 telescopic rod, 402 fine check valve, 403 coarse check valve, 404 connecting sleeve, 405 push rod, 5 conveyor belt. DETAILED DESCRIPTION

[0039] Example One: Please refer to Figures 1-4 , the present application provides a technical solution: a raw material conveying device for lotus root powder biscuit production, comprising a support frame 2, the top of the support frame 2 is fixedly connected with a conveyor 1, the inside of the conveyor 1 is provided with a conveyor belt 5, and the top of the conveyor belt 5 is provided with a feeding mechanism 3;

[0040] The feeding mechanism 3 comprises:

[0041] A baffle 301, the baffle 301 is an arc plate structure, the top of the conveyor 1 is fixedly connected with a fixed box 303, the top of the fixed box 303 is fixedly connected with a holding box 302, and the top of the fixed box 303 is provided with a feeding slot 304, and the baffle 301 is used to block the raw material particles;

[0042] The feeding slot 304 is a circular slot, the feeding slot 304 is arranged at the top of the fixed box 303, the inside of the fixed box 303 is provided with an opening and closing plate 309, and the inside of the fixed box 303 is provided with a rotating plate 313, and the rotating plate 313 is used to hold the raw material particles;

[0043] In use, the raw material particles are concentrated into the holding box 302, and then the conveyor 1 is started to control the transmission belt 5 to drive upward transportation, the raw material particles in the holding box 302 fall on the transmission belt 5, and then are transported upward along with the transmission belt 5 to the high place, and are poured down from one end of the high transmission belt 5, completing the transportation of the raw material particles from the low place to the high place;

[0044] Example two: please refer to Figures 1-10 On the basis of example one, the application provides a technical solution: in the field of raw material processing and production, uniform feeding of raw materials is a key link to ensure stable operation of the production line and product quality, and the traditional feeding method is usually that workers pour a large amount of raw materials into the conveyor belt at one time, however, this method has many drawbacks:

[0045] On the one hand, due to the difficulty in accurately controlling the amount of raw materials poured at one time, the raw materials are not evenly distributed on the conveyor belt, and the situation of excessive accumulation of raw materials in some areas and lack of raw materials in some areas is easy to occur, which not only affects the normal transmission of raw materials on the conveyor belt, but also easily causes the raw materials to roll off from both sides of the conveyor belt, causing waste of raw materials and pollution of the production environment;

[0046] On the other hand, pouring a large amount of raw materials at one time, for small raw material particles, when transported on the inclined conveyor belt, it is easy to slide and roll down, which cannot guarantee the uniform and stable transportation of small raw material particles on the inclined conveyor belt, and further affects the smooth progress of the subsequent production process.

[0047] In addition, the raw materials may absorb moisture during storage, causing some raw materials to become more sticky, which is difficult to feed smoothly in the traditional feeding process, and is easy to block the feeding port, affecting the feeding efficiency;

[0048] Moreover, the existing feeding device cannot automatically adjust the feeding amount according to the transmission speed of the conveyor belt, when the transmission speed of the conveyor belt is fast, the feeding is insufficient, which causes the raw material supply of the production line to be interrupted; when the transmission speed of the conveyor belt is slow, the feeding is excessive, which causes the raw materials to accumulate and waste. This not only increases the workload of workers, but also reduces the production efficiency and product quality, therefore, the inner wall top of the fixed box 303 is fixedly connected with the isolation plate 305, the bottom of the isolation plate 305 is fixedly connected with the arc-shaped plate 306, the inner wall of the arc-shaped plate 306 is rotatably connected with the rotating sleeve 307, the inner wall of the rotating sleeve 307 is rotatably connected with the rotating shaft 308, the both ends of the rotating shaft 308 are fixedly connected with the inner wall of the fixed box 303, and the bottom of the rotating sleeve 307 is fixedly connected with the top of the opening and closing plate 309.

[0049] The bottom of the opening and closing plate 309 is fixedly connected with an arc block 310, one side of the opening and closing plate 309 is fixedly connected with a first magnetic plate 311, and the inner wall of the fixed box 303 is fixedly connected with a second magnetic plate 315.

[0050] The second magnetic plate 315 has magnetism with the first magnetic plate 311, and the magnetism of the side of the second magnetic plate 315 and the first magnetic plate 311 close to each other is opposite-pole attraction.

[0051] The inner wall of the fixed box 303 is rotatably connected with a hinged rod 314, one end of the hinged rod 314 is fixedly connected with the inner wall of the fixed box 303 through a torsion spring, and one side of the hinged rod 314 is fixedly connected with one side of a rotating plate 313.

[0052] The bottom of the arc block 310 is fixedly connected with a pull rope 312, and the other end of the pull rope 312 is fixedly connected with the bottom of the rotating plate 313.

[0053] When the conveying belt 5 is conveying, the baffle 301 on the outer wall of the conveying belt 5 will move synchronously, the baffle 301 will then push the opening and closing plate 309 in the fixed box 303, the opening and closing plate 309 is pushed to rotate through the rotation of the rotating sleeve 307, and the gap between the opening and closing plate 309 and the first magnetic plate 311 is opened, and the particles falling into the fixed box 303 through the feeding slot 304 are separated by the isolation plate 305, so that the raw material particles can only fall to the right side of the isolation plate 305 and be contained by the opening and closing plate 309 and the rotating plate 313. Therefore, when the opening and closing plate 309 is pushed away by the movement of the conveying belt 5 and the baffle 301, the gap between the opening and closing plate 309 and the rotating plate 313 allows a large amount of raw material particles accumulated in the fixed box 303 to fall into the conveying belt 5 through the gap, and the raw material particles are blocked by the baffle 301 on the right side, thereby being stacked between the two baffles 301. At the same time, the opening and closing plate 309 is closed again and closed with the rotating plate 313, so that a certain amount of raw material is automatically fed onto the conveying belt 5 when each baffle 301 and the opening and closing plate 309 are pushed, thereby achieving uniform feeding of the raw material, avoiding the problem that the raw material is not evenly distributed when the worker pours the raw material onto the conveying belt 5 at one time, and preventing the raw material from rolling down from both sides of the conveying belt 5. In addition, a large amount of raw material can be poured at one time, and stable and uniform uninterrupted feeding work can be achieved through the feeding mechanism 3, thereby saving a lot of time for the worker and improving the transmission efficiency.

[0054] The smaller raw material particles will fall between the two baffles 301 on the conveying belt 5 and be contained by the baffle 301 on the right side, and as the conveying belt 5 is transported upward, the problem of sliding downward of a large amount of raw material particles under the transmission work of the inclined conveying belt 5 can be avoided, thereby ensuring that the small raw material particles can be uniformly and stably transported on the inclined conveying belt 5.

[0055] When the opening and closing plate 309 is pushed open by the baffle 301, the arc-shaped block 310 will pull the pull rope 312, the pull rope 312 will pull the rotating plate 313, and the rotating plate 313 will drive the hinged rod 314 to rotate downward, changing the rotating plate 313 from a raised state to a ramp state to improve the efficiency of lifting the raw materials. When the opening and closing plate 309 is pushed, the vibration of the rotating plate 313 when pulled by the pull rope 312 allows the raw material particles accumulated on the rotating plate 313 to be shaken, thereby dispersing the raw materials that are squeezed and stuck together due to friction, avoiding the problem of raw materials being more difficult to load due to moisture content during the loading process.

[0056] If the speed of the transmission belt 5 moving the transmission is fast, the speed of the baffle 301 pushing the opening and closing plate 309 also increases synchronously, thereby increasing the impact force of the baffle 301 on the opening and closing plate 309. When the opening and closing plate 309 is pushed by the baffle 301, it will only be in contact with the baffle 301 after rotating a certain angle, and then fall back to its original position. However, when the baffle 301 pushes the opening and closing plate 309 at a high speed and with a large impact force, the opening and closing plate 309 will increase the opening and closing angle due to the rotational inertia of the fast impact, allowing a larger gap between the opening and closing plate 309 and the rotating plate 313 to be opened when the raw materials are transported quickly, thereby automatically opening a larger loading channel to ensure that each baffle 301 can transport enough raw materials, automatically adjusting the loading amount according to the transportation speed, ensuring the stability and efficiency of the transportation work, and reducing the workload of manual control.

[0057] If the transmission speed of the baffle 301 increases to exceed the threshold value, the opening and closing plate 309 will be impacted and rotated by the impact force and its own inertia to approach the second magnetic plate 315, and the opening and closing plate 309 will be firmly fixed on the second magnetic plate 315 by the magnetic attraction between the first magnetic plate 311 and the second magnetic plate 315, allowing the opening and closing plate 309 to be continuously opened when the transmission speed of the transmission belt 5 is greater than the threshold value, allowing the raw materials to continuously fall to ensure that the raw materials can fully fill each baffle 301 at a fast transmission speed, ensuring that the raw materials can increase the loading amount synchronously with the increase in the transportation speed.

[0058] Example Three: Please refer to Figures 1-13On the basis of embodiment one and embodiment two, the application provides a technical solution: when the traditional feeding device feeds, the baffle that blocks the material often resets rapidly after being opened, which causes the raw material to be blocked when falling and cannot guarantee the uniformity of the stable feeding of the raw material. Moreover, due to the lack of a uniform stirring device for the raw material, the raw material is unevenly distributed on the conveying belt, which brings difficulties to the subsequent material collection work and reduces the production efficiency.

[0059] In addition, the existing feeding device is unstable in feeding speed when facing raw materials with different humidity and friction, and the feeding speed is fast at times and slow at times. This not only affects the overall rhythm of the production line, but also may cause equipment failure and increase production cost. Therefore, the dispersion mechanism 4 is arranged on one side of the flap 309, the dispersion mechanism 4 includes a telescopic rod 401, one end of the telescopic rod 401 is hinged to one side of the flap 309, the other end of the telescopic rod 401 is hinged to the right side of the inner wall of the fixed box 303, the inner wall of the telescopic rod 401 is provided with a built-in spring, the outer wall of the telescopic rod 401 is fixedly connected with a connecting sleeve 404, and the outer wall of the connecting sleeve 404 is fixedly connected with a stirring rod 405.

[0060] The outer wall of the telescopic rod 401 is provided with a fine one-way valve 402 and a coarse one-way valve 403, the fine one-way valve 402 communicates with the inside of the telescopic rod 401, and the coarse one-way valve 403 communicates with the inside of the telescopic rod 401.

[0061] When the flap 309 is rotated and lifted by the baffle 301, the hinged telescopic rod 401 is stretched, and the telescopic rod 401 is provided with a built-in spring, so that when the telescopic rod 401 is stretched, the built-in spring is deformed, and then a resetting force is given to the flap 309, so that the flap 309 can reset in time after being stirred by the baffle 301 each time;

[0062] When the flap 309 opens the feeding channel, the telescopic rod 401 is pulled synchronously, and the telescopic rod 401 changes a certain angle, so as to lift, press and stir the raw materials accumulated in the fixed box 303, push the raw material particles adhered to each other, make them fall, and fall uniformly on the conveying belt 5 through the gaps between each connecting sleeve 404, so as to ensure that the materials fall uniformly on the conveying belt 5, and facilitate the uniform and stable collection of the materials on the conveying belt 5;

[0063] When the flap 309 is pushed away by the baffle 301, the flap 309 will not reset rapidly due to the built-in spring in the telescopic rod 401, and when the telescopic rod 401 retracts, the air in the inside can only be discharged outward through the fine one-way valve 402, and the fine one-way valve 402 has a small caliber, so the exhaust is slow, the retracting speed of the telescopic rod 401 is limited, a certain time is given to the raw material to fall, the situation that the flap 309 is closed immediately after being pushed open is avoided, and the stable feeding of the raw material is guaranteed.

[0064] And the inner wall of the telescopic rod 401 between the multiple sections is connected by threads, and the thread angle of the inner wall of the telescopic rod 401 is relatively large, so when the telescopic rod 401 is pulled to stretch, it can rotate for a certain number of turns. Because the thread angle of the internal thread of the telescopic rod 401 is relatively large, the pulling friction is small, and the stretching speed is not affected. At this time, the rotation of the telescopic rod 401 will drive the connecting sleeve 404 and the driving rod 405 to rotate synchronously, so that the driving rod 405 can quickly drive the raw material particles in the fixed box 303. The raw material particles attached to each other due to moisture and friction are fully dispersed, the feeding speed is stable, and the uneven feeding phenomenon caused by squeezing and jamming is avoided.

[0065] When the telescopic rod 401 is stretched, the air in the telescopic rod 401 will only be sucked outwards through the one-way air valve 403. Because the one-way air valve 403 has a large diameter, the air suction is not hindered, so the telescopic rod 401 is not hindered when stretched and is limited when retracted.

[0066] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacements or changes within the technical scope disclosed in the present application according to the technical solution and inventive concept of the present application, which should be covered within the protection scope of the present application.

Claims

1. A raw material feeding device for producing arrowroot cookies, comprising a support frame (2), a top of the support frame (2) is fixedly connected with a conveyor (1), and the conveyor (1) is internally provided with a conveyor belt (5), characterized in that: The top of the conveying belt (5) is provided with a feeding mechanism (3); The feeding mechanism (3) comprises: A baffle (301) is in an arc-shaped plate structure, a fixed box (303) is fixedly connected to the top of the conveyor (1), a containing box (302) is fixedly connected to the top of the fixed box (303), an inlet chute (304) is formed in the top of the fixed box (303), and the baffle (301) is used for blocking raw material particles; The inlet chute (304) is a circular groove, the inlet chute (304) is formed in the top of the fixed box (303), the fixed box (303) is provided with a hinged plate (309) and a rotating plate (313) inside, and the rotating plate (313) is used for containing raw material particles; A partition plate (305) is fixedly connected to the top of the inner wall of the fixed box (303), an arc-shaped plate (306) is fixedly connected to the bottom of the partition plate (305), a rotating sleeve (307) is rotatably connected to the inner wall of the arc-shaped plate (306), a rotating shaft (308) is rotatably connected to the inner wall of the rotating sleeve (307), the two ends of the rotating shaft (308) are fixedly connected to the inner wall of the fixed box (303), and the bottom of the rotating sleeve (307) is fixedly connected to the top of the hinged plate (309); The bottom of the hinged plate (309) is fixedly connected with an arc-shaped block (310), one side of the hinged plate (309) is fixedly connected with a first magnetic plate (311), and the inner wall of the fixed box (303) is fixedly connected with a second magnetic plate (315); The second magnetic plate (315) and the first magnetic plate (311) have magnetism, and the magnetism of the mutually close sides of the second magnetic plate (315) and the first magnetic plate (311) is that opposite poles attract each other; The inner wall of the fixed box (303) is rotatably connected with a hinged rod (314), one end of the hinged rod (314) is fixedly connected to the inner wall of the fixed box (303) through a torsional spring, and one side of the hinged rod (314) is fixedly connected to one side of the rotating plate (313); The bottom of the arc-shaped block (310) is fixedly connected with a pull rope (312), and the other end of the pull rope (312) is fixedly connected to the bottom of the rotating plate (313).

2. The raw material feeding device for producing geng-powder cookies according to claim 1, characterized in that: One side of the hinged plate (309) is provided with a dispersing mechanism (4), the dispersing mechanism (4) comprises a telescopic rod (401), one end of the telescopic rod (401) is hinged to one side of the hinged plate (309), the other end of the telescopic rod (401) is hinged to the right side of the inner wall of the fixed box (303), the inner wall of the telescopic rod (401) is provided with a built-in spring, the outer wall of the telescopic rod (401) is fixedly connected with a connecting sleeve (404), and the outer wall of the connecting sleeve (404) is fixedly connected with a pushing rod (405).

3. The raw material feeding device for producing geng-powder cookies according to claim 2, characterized in that: The outer wall of the telescopic rod (401) is provided with a fine one-way valve (402) and a coarse one-way valve (403), the fine one-way valve (402) is in communication with the inside of the telescopic rod (401), and the coarse one-way valve (403) is in communication with the inside of the telescopic rod (401).

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