Cutting device for nursery stock variety improvement

Abstract

The utility model discloses a cutting device for nursery stock variety improvement, which is applied to the field of nursery stock cutting devices and comprises a first cutter body and a second cutter body, the first cutter body and the second cutter body are rotatably connected through a rotating block, handles are arranged at the bottom end of the first cutter body and the bottom end of the second cutter body respectively, and a first extension handle and a second extension handle are sleeved on the surfaces of the two handles respectively. Two clamping grooves are formed in the surface of the second extension handle, a spring is arranged in the handle, a telescopic rod is arranged in the spring in a sleeved mode, and one end of the telescopic rod is in bolted connection with a clamping block connected with the clamping grooves in a clamped mode. The first extension handle and the second extension handle which are provided with the two clamping grooves are arranged on the surfaces of the two handles and matched with the springs, the telescopic rods and the clamping blocks in the first extension handle and the second extension handle for limiting, the length of the first extension handle and the length of the second extension handle can be increased, and therefore the length of the lever principle is increased, and a user can cut off thick nursery stocks more easily and conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to seedling cutting device field, especially in kind seedling improvement cutting device. BACKGROUND

[0002] At present, in order to increase the harvest rate of seedling, the survival rate will be improved to seedling, and the most common method of seedling improvement is to graft two different seedlings, and the cutting device is used to cut the seedling in the grafting process, and then the two seedlings are grafted by splitting.

[0003] At present, the Chinese utility model with the announcement number CN214413556U discloses a kind of seedling cutting shears, its structure includes left knife, right knife, left knife and right knife are movably engaged;Right knife includes handle, slag removal device, handle, blade, pivot, handle is connected by slag removal device with handle, blade and handle are integrally formed, pivot and handle are movably engaged, the utility model in clamping will promote slag removal device to operate, and handle is slotted, it is convenient to clean top block and clean, effectively avoid that plant fiber residue is stuck in connecting place in pruning process, make the process smooth, simultaneously guarantee the smoothness of pruning mouth.

[0004] As above, the above prior art facilitates the cleaning of residue, but there are still the following problems: the handle position of the cutting device in the above prior art is fixed, and for some thicker seedlings that cannot be cut by one hand, it is inconvenient for the user to apply force.

[0005] To solve the above problems, we propose a kind of seedling improvement cutting device. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of seedling improvement cutting device, which has the advantages of facilitating force application.

[0007] The above technical objective of the utility model is realized by the following technical scheme: a kind of seedling improvement cutting device, including cutter body one and cutter body two, the cutter body one and cutter body two are rotatably connected by rotating block, the bottom of the cutter body one and cutter body two is equipped with handle, the surface of two handles is respectively equipped with extension handle one and extension handle two, the surface of extension handle two is provided with two clamping grooves, the inside of handle is equipped with spring, the inside of spring is equipped with telescopic rod, one end of telescopic rod is bolted with the clamping block of clamping groove;The outside of cutter body one and cutter body two is equipped with positioning block, the inside of cutter body one, cutter body two and handle is provided with thread groove, the inside of positioning block is screw-connected with positioning bolt, the inside of cutter body one, cutter body two and handle is provided with two clamping grooves, one side of positioning block is fixedly connected with two clamping rods.

[0008] The handle of the device can be lengthened, thereby increasing the length of the handle and reducing the force exerted by the user, so that the user can easily cut off seedlings that cannot be cut off by one hand.

[0009] The handle is internally provided with a receiving groove, and the spring and the telescopic rod are both located inside the receiving groove.

[0010] The receiving groove is provided to accommodate the clamping block.

[0011] The telescopic rod is connected to the handle at one end away from the clamping block.

[0012] The two ends of the telescopic rod are connected to the clamping block and the handle respectively, so that the spring can be prevented from being twisted.

[0013] The diameter of the clamping block is smaller than the inner diameter of the receiving groove, and the two ends of the spring are in contact with the clamping block and the handle.

[0014] The diameter of the receiving groove is greater than that of the clamping block, so that when the clamping block is pressed, the receiving groove will not affect the normal entry of the clamping block into the receiving groove.

[0015] The handle is provided with a sliding groove on the surface, and the inside of the extension handle one and the extension handle two are both connected with a sliding block, and the inside of the sliding groove is connected with the sliding block.

[0016] The extension handle one and the extension handle two are both provided with a sliding groove and a sliding block, and the sliding groove and the sliding block guide the movement direction of the extension handle one and the extension handle two, so that the two clamping grooves provided on the extension handle one or the extension handle two can be accurately matched with the clamping block, thereby facilitating the clamping of the clamping groove and the clamping block.

[0017] In summary, the present application has the following advantages:

[0018] 1. The extension handle one and the extension handle two provided with two clamping grooves are arranged on the surface of the two handles, and are limited by the respective springs, telescopic rods and clamping blocks inside them, so that the length of the extension handle one and the extension handle two can be lengthened, thereby increasing the length, and the user can easily cut off thicker seedlings by using the principle of leverage.

[0019] 2. The utility model discloses a positioning block connecting card rod is set through, two card rods of one side of a positioning block are respectively clamped into the card slot of handle inside and the card slot of handle inside of tool body two and another positioning block one side two card rods are respectively clamped into, through with one positioning bolt respectively thread connection positioning block, tool body two and handle and with another card slot respectively thread connection another positioning block, tool body one and another handle, can realize the fixed tool body two and handle to, and can replace tool body one and tool body two when tool body one and tool body two damage. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the utility model structure perspective drawing;

[0021] Figure 2 It is the utility model structure opening schematic drawing;

[0022] Figure 3 It is the utility model handle sectional view;

[0023] Figure 4 It is the utility model positioning block, handle and tool body two cooperation with positioning block, handle and tool body one cooperation schematic drawing.

[0024] Reference signs: 1, tool body one;2, tool body two;3, handle;4, extension handle one;5, extension handle two;6, card slot;7, spring;8, telescopic rod;9, card block;10, positioning block;11, thread groove;12, positioning bolt;13, card slot;14, card rod;15, sliding block;16, storage groove;17, sliding slot. DETAILED DESCRIPTION

[0025] The utility model will be further explained in detail in connection with the drawings.

[0026] Example 1:

[0027] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4The utility model provides a kind of cutting device for seedling variety improvement, including cutter body one 1 and cutter body two 2, cutter body one 1 and cutter body two 2 are connected by rotating block rotation, the bottom of cutter body one 1 and cutter body two 2 is equipped with handle 3, the surface of two handle 3 is respectively equipped with extension handle one 4 and extension handle two 5, two clamping grooves 6 are set in the surface of extension handle two 5, the inside of handle 3 is equipped with spring 7, spring 7 is equipped with telescopic link 8 in the inside, one end of telescopic link 8 is bolted with the clamping block 9 of clamping groove 6 clamping;The outside of cutter body one 1 and cutter body two 2 is equipped with locating block 10, the inside of cutter body one 1, cutter body two 2 and handle 3 is set with thread groove 11, the inside of locating block 10 is screw-connected with locating bolt 12, the inside of cutter body one 1, cutter body two 2 and handle 3 is set with two clamping grooves 13, one side of locating block 10 is fixedly connected with two clamping rods 14;By setting extension handle one 4 and extension handle two 5 with two clamping grooves 6 on the surface of two handle 3, cooperate their respective spring 7, telescopic link 8 and clamping block 9 inside, limit, the length of extension handle one 4 and extension handle two 5 can be extended, to increase the length of lever, it is convenient for user to cut thicker seedling more easily;By setting locating block 10 connecting clamping rod 14, two clamping rods 14 on one side of one locating block 10 are respectively clamped into the clamping groove 13 in cutter body two 2 and handle 3 and two clamping rods 14 on one side of another locating block 10 are respectively clamped into the clamping groove 13 in cutter body one 1 and another handle 3, by respectively screwing one locating bolt 12 locating block 10, cutter body two 2 and handle 3 and another clamping groove 13 respectively screwing another locating block 10, cutter body one 1 and another handle 3, the fixation of cutter body two 2 and handle 3 can be realized, and cutter body one 1 and cutter body two 2 can be replaced when cutter body one 1 and cutter body two 2 are damaged.

[0028] Reference Figure 3 The inside of handle 3 is set with receiving groove 16, spring 7 and telescopic link 8 are located in the inside of receiving groove 16, by the setting of receiving groove 16, clamping block 9 is received.

[0029] Reference Figure 3 One end of telescopic link 8 away from clamping block 9 is bolted with handle 3, by the connection of two ends of telescopic link 8 and clamping block 9 and handle 3 respectively, the phenomenon that spring 7 can be twisted can be avoided.

[0030] Reference Figure 3 The diameter of clamping block 9 is less than the inside diameter of receiving groove 16, the two ends of spring 7 are respectively in contact with clamping block 9 and handle 3, by the setting that the diameter of receiving groove 16 is greater than clamping block 9, when clamping block 9 is pressed, receiving groove 16 will not affect clamping block 9 normally into the inside of receiving groove 16.

[0031] Reference Figure 3The surface of the handle 3 is provided with a sliding groove 17, the inside of the extension handle one 4 and the extension handle two 5 are respectively provided with a sliding block 15, the inside of the sliding groove 17 and the sliding block 15 are in sliding connection, through the setting of the sliding groove 17 and the sliding block 15, the inside of the extension handle one 4 and the extension handle two 5 are respectively provided with the sliding groove 17 and the sliding block 15, the sliding groove 17 and the sliding block 15 can guide the moving direction of the extension handle one 4 and the extension handle two 5, so that the two clamping grooves 6 provided on the extension handle one 4 or the extension handle two 5 can be accurately matched with the clamping block 9, thereby facilitating the clamping of the clamping groove 6 and the clamping block 9.

[0032] Brief description of the use process: when the user is difficult to cut off the seedling with one hand, the clamping block 9 in the inside of the extension handle one 4 is pressed, the clamping block 9 is pressed to compress the spring 7 and make the output end of the telescopic rod 8 retract, then the extension handle one 4 is pulled to extend the length of the extension handle one 4, so that the other clamping groove 6 on the surface of the extension handle one 4 is clamped with the clamping block 9;

[0033] Then the clamping block 9 in the inside of the extension handle two 5 is operated according to the above method, and the length of the extension handle two 5 is extended.

[0034] The extended extension handle one 4 and the extension handle two 5 are pushed together at the end far away from the handle 3 when cutting, so that the seedling that cannot be cut off with one hand can be cut off more easily.

[0035] When the cutter body one 1 or the cutter body two 2 is damaged, the cutter body one 1 or the cutter body two 2 can be replaced, for example, when the cutter body one 1 is damaged: the positioning bolt 12, the cutter body one 1, the handle 3 and the threaded groove 11 in the inside of the corresponding positioning block 10 are separated, then the positioning block 10 and the cutter body one 1 are separated, at this time, the cutter body one 1 and the handle 3 are separated from the clamping rod 14 and the positioning bolt 12, the cutter body one 1 can be directly separated from the handle 3, after the damaged cutter body one 1 is taken off, the new cutter body one 1 is attached to the handle 3, the clamping rod 14 at the bottom of the positioning block 10 is clamped into the clamping groove 13 in the inside of the cutter body one 1 and the handle 3 respectively, then the positioning bolt 12 is screwed and locked with the positioning block 10, the handle 3 and the cutter body one 1 in sequence, so that the replacement of the cutter body one 1 is completed.

[0036] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and the person skilled in the art can make a modification without creative contribution according to the need after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A cutting apparatus for improving the variety of seedlings, comprising a first knife body (1) and a second knife body (2), characterized in that: The handle (3) is internally provided with a receiving groove (16), and the spring (7) and the telescopic rod (8) are located in the receiving groove (16).

2. The cutting apparatus for improving a seedling variety according to claim 1, wherein: The telescopic rod (8) is connected to the handle (3) at an end away from the clamping block (9).

3. The cutting apparatus for improving a seedling variety according to claim 1, wherein: The diameter of the clamping block (9) is smaller than the inner diameter of the receiving groove (16), and the two ends of the spring (7) are in contact with the clamping block (9) and the handle (3) respectively.

4. The cutting apparatus for improving a seedling variety according to claim 1, wherein: The surface of the handle (3) is provided with a sliding groove (17), the inner part of the extension handle (4) and the extension handle (5) is connected with a sliding block (15), and the inner part of the sliding groove (17) is connected with the sliding block (15).

5. The cutting apparatus for improving a seedling variety according to claim 1, wherein: The surface of the handle (3) is provided with a sliding groove (17), the inner part of the extension handle (4) and the extension handle (5) is connected with a sliding block (15), and the inner part of the sliding groove (17) is connected with the sliding block (15).

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