Fixing device for citrus planting grafting
By designing an adjustable collar and connecting mechanism for fixing citrus grafting, the problem of insufficient adaptability of existing devices is solved. This enables adaptation to and stable fixing of different grafting methods, avoids plant damage, and improves the applicability and lifespan of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-14
- Publication Date
- 2026-04-10
AI Technical Summary
Existing grafting fixing devices for citrus cultivation cannot adapt to different grafting situations, especially they cannot simultaneously accommodate two grafting methods: grooving on the main branch and grooving on the outer wall of the main branch.
A fixing device including a first set of rings and a second set of rings was designed. The rings are connected by a shielding mechanism and a connecting mechanism. The shielding mechanism adopts an inflatable bladder and an adjustable pressure structure. The connecting mechanism is composed of a telescopic connecting rod, which can adjust the relative position and angle of the two sets of rings to adapt to different grafting needs.
It achieves flexible and adaptive clamping of branches with different diameters and surface roughness, preventing damage to plant tissues, and can adjust the clamping force according to the growth dynamics of the branches, meeting the needs of multi-angle grafting and improving the service life and stability of the device.
Smart Images

Figure CN224098289U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to citrus planting technical field, concretely is a citrus planting grafting is with fixing device. BACKGROUND
[0002] Citrus planting is a comprehensive agricultural production technology relying on scientific planning site selection, fine seedling cultivation, fine cultivation system and green pest control, through selecting terrain with sufficient illumination and good drainage, adapting soil improvement and nutrition regulation, cooperating water and fertilizer synergistic management, reasonable tree shape shaping and biological control (natural enemy release, physical barrier) and low intervention pesticide combination, comprehensively improving fruit sugar acid ratio, color uniformity and commodity appearance, synchronously integrating environment adapted rain shelter and cold prevention facilities, postharvest grading preservation technology and ecological circulation mode, finally realizing high quality and high yield, tree vigor steady, environment friendly sustainable development goal.
[0003] In combination with the citrus planting grafting fixing device in prior art, it is found that the existing citrus planting grafting fixing device has low adjustability and cannot adapt to different grafting conditions, in the grafting process, it can be roughly divided into two kinds, the first kind is that a groove is opened on the main branch rod, and the branch to be grafted is inserted into the groove of the main branch rod, the second kind is that a groove is cut on the outer wall of the main branch rod, and the branch to be grafted is inserted into the groove on the side wall of the main branch rod, and the existing fixing device cannot adapt to the above two conditions.
[0004] Based on this, the utility model discloses a citrus planting grafting fixing device to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a citrus planting grafting fixing device to solve the problems in the above background technology.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] A citrus planting grafting fixing device, comprising a first sleeve, a second sleeve coaxially distributed above the first sleeve, a shielding mechanism arranged on the inner wall of the first sleeve and the second sleeve respectively, and a communication mechanism connected between the two sleeves through surrounding distribution, the shielding mechanism comprises an air-filled protection structure and a distance-adjusting pressure-increasing structure, the air-filled protection structure comprises an air-filled bag assembly and a corresponding air injection pipeline installed on the inner side of the sleeve, the distance-adjusting pressure-increasing structure comprises an adjustable push plate assembly, the communication mechanism is composed of a telescopic connecting rod for adjusting the relative position of the two sleeves.
[0008] Optionally, the first inflatable bag of the shielding mechanism is embedded in the inner wall of the first ring, and the second inflatable bag is embedded in the inner wall of the second ring; the inflatable bags are connected to an external air source through a first air injection pipeline and a second air injection pipeline, respectively; the lower end of the first air injection pipeline is threadedly connected with a first sealing screw plug, and the upper end of the second air injection pipeline is threadedly connected with a second sealing screw plug.
[0009] Optionally, the distance-adjusting and pressure-increasing structure comprises four groups of symmetrically arranged screw rod assemblies, wherein a first screw rod body transversely penetrates through the ring wall of the first ring, and the end thereof is fixed with a first limiting push plate and threadedly cooperates with a first nut body; a second screw rod body transversely penetrates through the ring wall of the second ring, and the end thereof is provided with a second limiting push plate and threadedly cooperates with a second nut body.
[0010] Optionally, the first limiting push plate and the first inflatable bag maintain an adjustable distance, and the second limiting push plate and the second inflatable bag maintain an adjustable distance; the pre-tightening pressure applied by the limiting push plate to the inflatable bag can be controlled by rotating the nut body.
[0011] Optionally, the communication mechanism comprises a first connecting seat fixed to the outer wall of the first ring and a second connecting seat fixed to the outer wall of the second ring, and the two are hingedly connected through an extension rod provided with a first rotating rod and a second rotating rod; four groups of communication mechanisms are uniformly distributed along the circumference of the ring to form a spatial truss structure.
[0012] Optionally, the first inflatable bag extends downward to the outside of the first ring through the first air injection pipeline arranged at the right end.
[0013] Optionally, the first screw rod body is uniformly distributed in four groups along the circumference of the first ring, and the second screw rod body is uniformly distributed in four groups along the circumference of the second ring; the axes of the screw rod bodies intersect at the central axis of the ring to form a spatial adjustment structure.
[0014] Optionally, the extension rod is a two-section sleeve structure, and the two ends thereof are hingedly connected to the first connecting seat and the second connecting seat through the first rotating rod and the second rotating rod, respectively; four groups of communication mechanisms are arranged at an interval of 90° to form an adjustable spatial connecting frame.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1. In the utility model, the shielding mechanism is provided, the first ring and the second ring adopt a split design, flexible self-adaptive clamping is realized through the built-in inflatable bag, branches with different diameters and surface roughness can be adapted, and plant tissues are prevented from being damaged by traditional rigid clamps; the distance-adjusting and pressure-increasing structure in the shielding mechanism is cooperatively adjusted by the four groups of screw rod bodies and limiting push plates to form multi-directional uniform pressure application, the inflatable bag is prevented from slipping due to excessive expansion, and the clamping force can be adjusted according to the growth dynamics of the branches, for example, when the grafted branches are thickened due to growth, the limiting push plate pressure can be released by reversely rotating the nut body, and the service life of the device is prolonged.
[0017] 2. The utility model discloses a communication mechanism, and the communication mechanism realizes the three -dimensional space position adjustment of the first sleeve ring and the second sleeve ring through the cooperation of four groups of telescopic link and universal hinge structure (first rotation rod, second rotation rod), satisfies the different angle demand of main branch groove and lateral wall slot grafting, for example, when grafting the lateral wall, through the length of one side telescopic link shortening and the length of opposite side lengthening, can make the second sleeve ring tilt 15 °~30 °, accurate matching grafting branch angle of insertion main branch groove, simultaneously, the telescopic link of two -piece sleeve structure has high bending strength, and is equipped with four groups of connecting seat of uniform distribution, forms stable truss type support structure, effectively disperses the shearing stress of grafting interface, prevents the interface misplacement caused by external force shaking. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the structure schematic diagram of the utility model's perspective view;
[0019] Figure 2 It is the structure schematic diagram of the utility model's plane view;
[0020] Figure 3 It is the structure schematic diagram of the utility model's perspective view;
[0021] Figure 4 It is the structure schematic diagram of the utility model's perspective view;
[0022] Figure 5 It is the structure schematic diagram of the utility model's plane view;
[0023] Figure 6 It is the structure schematic diagram of the utility model's perspective view Figure 1 ;
[0024] Figure 7 It is the structure schematic diagram of the utility model's perspective view Figure 2 ;
[0025] Figure 8 It is the structure schematic diagram of the utility model's perspective view Figure 3 .
[0026] In the drawing: 1, first sleeve ring;2, second sleeve ring;3, shelter mechanism;301, first gas injection pipeline;302, first sealing screw plug;303, first inflatable bag;304, first screw rod body;305, first limit push plate;306, first nut body;307, second inflatable bag;308, second gas injection pipeline;309, second sealing screw plug;310, second screw rod body;311, second limit push plate;312, second nut body;4, communication mechanism;401, first connecting seat;402, first rotation rod;403, telescopic link;404, second connecting seat;405, second rotation rod. DETAILED DESCRIPTION
[0027] In the description of the utility model, it needs to be understood that, the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated.The features limited by "first", "second" and the like can explicitly or implicitly include one or more features.In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.
[0028] In the description of the utility model, it needs to be understood that, the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated.The features limited by "first", "second" and the like can explicitly or implicitly include one or more features.In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.
[0029] 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 scope of protection of the utility model.
[0030] Please refer to Figures 1-8 In the embodiments of the utility model, a fixing device for citrus planting grafting is provided.The fixing device for citrus planting grafting comprises a first sleeve ring 1, a second sleeve ring 2, a shielding mechanism 3 and a communication mechanism 4, and the specific structure is as follows:
[0031] Layout of the first sleeve ring 1 and the second sleeve ring 2:
[0032] The first sleeve ring 1 is a ring-shaped metal frame, the inner diameter of which is adapted to the diameter range of the main branch, and is used for sleeving and buckling at the grafting position of the main branch; the second sleeve ring 2 is symmetrical to the first sleeve ring 1 in structure, but the inner diameter is smaller, and is used for sleeving and buckling on the branch to be grafted.
[0033] The air inflation protection structure of the sheltering mechanism 3:
[0034] The first air inflation bag 303 is fixed on the upper and lower ends of the inner wall of the first collar 1 by epoxy adhesive, and is located in the middle region of the first collar 1 and can be inflated to protect the branch; the second air inflation bag 307 is fixed on the inner wall of the second collar 2 in the same way.
[0035] The first air inflation pipeline 301 is connected to the right end of the first air inflation bag 303, and the terminal end is connected to the first sealing screw plug 302 by screwing; the second air inflation pipeline 308 is connected to the right end of the second air inflation bag 307, and the terminal end is connected to the second sealing screw plug 309 by screwing, and the air inflation pipeline extends outside for the operator to inflate from the side.
[0036] The distance adjusting and pressure increasing structure of the sheltering mechanism 3:
[0037] The first screw rod body 304 is a stainless steel screw rod, which transversely penetrates the threaded hole of the side wall of the first collar 1, and the terminal end is welded with an arc-shaped first limiting push plate 305, and the push plate arc is matched with the outer wall of the first air inflation bag 303; the first nut body 306 is screwed on the exposed end of the screw rod body, and the first limiting push plate 305 can be driven to advance to the side of the air inflation bag by rotating clockwise.
[0038] The installation mode of the second screw rod body 310, the second limiting push plate 311 and the second nut body 312 is symmetrical to the distance adjusting and pressure increasing structure of the first collar 1, and the four screw rod bodies are evenly distributed along the circumference of the collar to form synchronous pressure on the four sides of the air inflation bag.
[0039] The connection and adjustment function of the communication mechanism 4:
[0040] The first connecting seat 401 and the second connecting seat 404 are respectively welded on the outer walls of the first collar 1 and the second collar 2; the telescopic rod 403 is a two-section sleeve structure; four groups of telescopic rods 403 are connected to the four quadrant points of the two collars respectively to form a spatial truss support.
[0041] Working process and operation steps
[0042] Slotting grafting for main branches:
[0043] Insert the to-be-grafted branch into the longitudinal slot of the main branch to form a layer in alignment;
[0044] Put the first collar 1 into the main branch, and put the second collar 2 into the grafted branch, and keep the two collars coaxial;
[0045] Inject compressed air into the first air inflation pipeline 301 and the second air inflation pipeline 308 through the air pump to make the first air inflation bag 303 and the second air inflation bag 307 inflate to tightly fit the surface of the branch;
[0046] Synchronous rotation of four groups of first nut body 306 and second nut body 312, drive limit push plate compression air bag, until the branch no shaking;
[0047] Tighten the first sealing plug 302 and the second sealing plug 309, close the gas injection pipeline.
[0048] For the main branch side wall notch grafting:
[0049] After the completion of the branch grafting, loosen the locking nut of the four groups of telescopic rod 403, adjust the length of the telescopic rod according to the grafting angle, for example, 15° inclination;
[0050] Shorten the telescopic rod 403 close to the notch side to 80mm, lengthen the opposite side to 120mm, so that the second sleeve 2 is offset 10-20mm relative to the first sleeve 1;
[0051] Repeat the air inflation and distance adjustment operation, at this time the first air bag 303 self-adapting filling the main branch notch inner wall gap, the second air bag 307 wrapping the grafting branch outer wall curve;
[0052] Through the swing of the rotating rod, the diameter change of the branch during the growth period is compensated, and the clamping stability is maintained;
[0053] The working principle of the utility model is: the device realizes the stable fixation of the grafting branch through the cooperative action of the first sleeve 1 and the second sleeve 2. For the main branch slot grafting (the first case), the first sleeve 1 is buckled on the main branch grafting position during operation, the second sleeve 2 is buckled on the grafting branch, and the telescopic rod 403 of the communication mechanism 4 keeps the two sleeves coaxial alignment; then the first air bag 303 and the second air bag 307 are inflated through the first gas injection pipeline 301 and the second gas injection pipeline 308, the air bag is tightly attached to the branch surface after inflation, and flexible clamping is formed; at the same time, the first limiting push plate 305 and the second limiting push plate 311 are driven to the air bag side by rotating the first nut body 306 and the second nut body 312, the first screw body 304 and the second screw body 310, further compressing the air bag to increase the contact pressure, and ensuring the anti-displacement ability of the branch at the interface. For the side wall notch grafting (the second case), the length of the telescopic rod 403 of the four communication mechanisms 4 needs to be adjusted, so that the second sleeve 2 is laterally offset relative to the first sleeve 1, and the angle difference between the main branch side wall notch and the grafting branch is adapted; after inflation, the first air bag 303 is attached to the main branch notch inner wall, and the second air bag 307 wraps the grafting branch outer wall, and the multidirectional limiting push plate of the distance adjustment and pressure increasing structure dynamically adjusts the clamping force, realizes the stable fixation under the asymmetric stress. After the operation is completed, the first sealing plug 302 and the second sealing plug 309 are used to close the gas injection pipeline to prevent air bag leakage.
[0054] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A fixing device for grafting citrus plants, comprising a first collar (1), characterized in that: The first ring (1) is provided with a second ring (2) coaxially distributed above it, the inner walls of the first ring (1) and the second ring (2) are respectively provided with shielding mechanisms (3), and the two rings are connected through the circumferentially distributed communication mechanisms (4); the shielding mechanism (3) comprises an inflatable protection structure and a distance-adjusting supercharging structure, the inflatable protection structure comprises an inflatable bag assembly mounted on the inner side of the ring and a corresponding gas injection pipeline, and the distance-adjusting supercharging structure comprises an adjustable push plate assembly; the communication mechanism (4) is composed of a telescopic connecting rod, which is used for adjusting the relative position of the two rings.
2. The device according to claim 1, characterized in that: The first inflatable bag (303) of the shielding mechanism (3) is embedded in the inner wall of the first ring (1), and the second inflatable bag (307) is embedded in the inner wall of the second ring (2); the inflatable bags are connected to an external gas source through a first gas injection pipeline (301) and a second gas injection pipeline (308), respectively, a first sealing screw plug (302) is threadedly connected to the lower end of the first gas injection pipeline (301), and a second sealing screw plug (309) is threadedly connected to the upper end of the second gas injection pipeline (308).
3. The device according to claim 2, characterized in that: The distance-adjusting supercharging structure comprises four groups of symmetrically arranged screw rod assemblies, wherein a first screw rod body (304) transversely penetrates the ring wall of the first ring (1), the end of the first screw rod body (304) is fixed with a first limiting push plate (305) and threadedly cooperates with a first nut body (306), a second screw rod body (310) transversely penetrates the ring wall of the second ring (2), the end of the second screw rod body (310) is provided with a second limiting push plate (311) and threadedly cooperates with a second nut body (312).
4. The device according to claim 3, characterized in that: The first limiting push plate (305) and the first inflatable bag (303) maintain an adjustable distance, and the second limiting push plate (311) and the second inflatable bag (307) maintain an adjustable distance; the pre-tightening pressure of the limiting push plate on the inflatable bag can be controlled by rotating the nut body.
5. The device according to claim 1, wherein: The communication mechanism (4) comprises a first connecting seat (401) fixed to the outer wall of the first ring (1) and a second connecting seat (404) fixed to the outer wall of the second ring (2), the two are hinged through a telescopic rod (403) with a first rotating rod (402) and a second rotating rod (405), and four groups of communication mechanisms (4) are evenly distributed along the circumference of the ring to form a spatial truss structure.
6. The device according to claim 2, wherein: The first inflatable bag (303) extends downward to the outside of the first ring (1) through the first gas injection pipeline (301) arranged at the right end.
7. The device according to claim 3, wherein: The first screw rod body (304) is evenly distributed in four groups along the circumference of the first ring (1), the second screw rod body (310) is evenly distributed in four groups along the circumference of the second ring (2), and the axes of the screw rod bodies intersect at the center axis of the ring to form a spatial adjustment structure.
8. The device according to claim 5, wherein: The telescopic rod (403) is a two-section sleeve structure, the two ends of the telescopic rod (403) are hinged with the first connecting seat (401) and the second connecting seat (404) through the first rotating rod (402) and the second rotating rod (405), respectively, and four groups of communication mechanisms (4) are arranged at an interval of 90° to form an adjustable spatial connecting frame.