Special scissors for fruit tree tissue culture
Through the design of the meshing structure and elastic connection components, the problem of finger scratches for special shears for fruit tree tissue culture is solved, and the flexible adjustment and stable fixation of the tool shank is achieved, which improves the convenience and safety of use.
Patent Information
- Application Number
- CN202421692678.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-07-17
AI Technical Summary
The existing special shears for fruit tree tissue culture have the problem of scratching the user's fingers after adjusting the handle position.
The meshing structure of fixed tooth block and movable tooth block is adopted, combined with the elastic connection assembly and adjustment device, and the movement of the adjustment block and adjustment rod can achieve flexible adjustment of the handle position, and enhance grip stability through an anti-slip sleeve to avoid finger injury.
It realizes simple adjustment and stable fixation of the tool handle position, avoids scratches on fingers during use, and improves the convenience and safety of use.
Smart Images
Figure CN223168884U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fruit tree tissue culture, in particular to a pair of special shears for fruit tree tissue culture. Background Art
[0002] The propagation method of growing whole plants from isolated tissue cells in artificial culture media is a type of micropropagation. Because the culture vessels initially used were mostly test tubes, it is also called in vitro propagation or in vitro seedling cultivation. Tissue culture materials for fruit trees are isolated plant material, called explants.
[0003] Existing patent CN 214853432 U is a special shear for fruit tree tissue culture. By setting a slide groove, a slider, a handle, a fixing hole, a threaded sleeve and a threaded rod, the position of the handle is adjusted by the mutual cooperation between the threaded sleeve and the threaded rod to adapt to different tissue culture bottles, thereby improving applicability.
[0004] However, when using a special shear for fruit tree tissue culture according to an existing patent, after the device adjusts the position of the knife handle, the position of the knife handle is fixed by a threaded rod. However, when the user holds the handle on the knife handle, the presence of the threaded rod may cause scratches on the user's fingers. Utility Model Content
[0005] The purpose of the utility model is to provide a special shear for fruit tree tissue culture, which solves the problem that after the aforementioned device adjusts the position of the knife handle, the position of the knife handle is fixed by a threaded rod, but when the user holds the handle on the knife handle, the presence of the threaded rod may cause scratches to the user's fingers.
[0006] To achieve the above-mentioned purpose, the utility model provides a special shear for fruit tree tissue culture, comprising scissor blades, a positioning pin and a handle, the number of the scissor blades being two groups, the two groups of scissor blades being hinged by the positioning pin, the handle being fixedly mounted on the scissor blades, and also comprising an adjusting device, the adjusting device comprising a fixed tooth block, a movable tooth block, an adjusting block, an adjusting rod, a knife handle and an elastic connecting component, the knife handle being provided with a slide groove, the slide groove passing through the knife handle, the fixed tooth block being fixedly mounted in the knife handle, the movable tooth block being fixedly connected to the adjusting rod, the movable tooth block being meshed with the fixed tooth block, the adjusting rod passing through the slide groove, the adjusting block being fixedly mounted on the adjusting rod and being located on the outside of the knife handle, the elastic connecting component being mounted on the movable tooth block, and the knife handle being fixedly mounted on the adjusting block.
[0007] The elastic connection assembly includes a movable plate and a connecting spring, one end of the connecting spring is fixedly connected to the movable tooth block; the movable plate is fixedly connected to the other end of the connecting spring, and the adjusting rod passes through the movable plate.
[0008] Among them, the elastic connection component further includes a ball, and the ball is movably embedded in the movable plate.
[0009] Among them, through holes are further provided on the scissor blades, and the through holes penetrate through the scissor blades.
[0010] Among them, the adjusting device further includes an anti-slip sleeve, and the anti-slip sleeve is sleeved on the knife handle.
[0011] For a special scissors for fruit tree tissue culture of the present utility model, when in use, the user can pass the fingers through the knife handles on both sides, and make the scissor blades enter the tissue culture bottle. By driving the two groups of scissor blades to approach each other, the fruit tree tissue in the tissue culture bottle can be trimmed. When it is necessary to adjust the position of the knife handle, pull up the adjusting block, so that under the connection action of the adjusting rod, the movable tooth block is driven to move upward and disengages from the fixed tooth block. At this time, the connecting spring is compressed and in a compressed state. Then drive the adjusting block and the adjusting rod to move along the sliding groove. When the knife handle on the adjusting block moves to a suitable position, no longer apply force to the adjusting block. At this time, the movable tooth block is reset under the action of the connecting spring, so that the movable tooth block meshes with the fixed tooth block again, and the position of the knife handle is fixed, thus realizing the adjustment of the position of the knife handle. The adjustment process is simple and convenient, and it is ensured that during the use process, the user's fingers will not be injured by other components. Description of the Drawings
[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.
[0013] Figure 1 It is a schematic diagram of the overall structure of a special scissors for fruit tree tissue culture according to the first embodiment of the present utility model.
[0014] Figure 2 It is a schematic diagram of the structure of the adjusting device according to the first embodiment of the present utility model.
[0015] Figure 3 It is a schematic diagram of the connection between the movable tooth block and the connecting spring according to the first embodiment of the present utility model.
[0016] Figure 4 It is a schematic diagram of the connection between the movable plate and the ball according to the first embodiment of the present utility model.
[0017] Figure 5 It is a schematic diagram of the overall structure of a special scissors for fruit tree tissue culture according to the second embodiment of the present utility model.
[0018] In the figure: 101 - Scissor blade, 102 - Positioning pin, 103 - Knife handle, 104 - Fixed tooth block, 105 - Movable tooth block, 106 - Adjusting block, 107 - Adjusting rod, 108 - Knife handle, 109 - Slide groove, 110 - Movable plate, 111 - Connecting spring, 112 - Ball, 113 - Through hole, 201 - Anti-slip sleeve. Specific embodiments
[0019] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation to the present utility model.
[0020] The first embodiment of this application is as follows:
[0021] Please refer to Figures 1-4 , Figure 1 which is a schematic diagram of the overall structure of a special scissors for fruit tree tissue culture according to the first embodiment of the present utility model, Figure 2 which is a schematic diagram of the structure of the adjusting device according to the first embodiment of the present utility model, Figure 3 which is a connection diagram of the movable tooth block and the connecting spring according to the first embodiment of the present utility model, Figure 4 which is a connection diagram of the movable plate and the ball according to the first embodiment of the present utility model.
[0022] The present utility model provides a special scissors for fruit tree tissue culture, including a scissor blade 101, a positioning pin 102 and a knife handle 103, and further includes an adjusting device. The adjusting device includes a fixed tooth block 104, a movable tooth block 105, an adjusting block 106, an adjusting rod 107, a knife handle 108 and an elastic connection component. The elastic connection component includes a movable plate 110 and a connecting spring 111. The elastic connection component further includes a ball 112. A through hole 113 is further provided on the scissor blade 101. Through the foregoing solution, after the position of the knife handle is adjusted by the previous device and fixed by the threaded rod, when the user holds the handle on the knife handle, the presence of the threaded rod will cause scratches to the user's fingers. It can be understood that this solution can also be used to solve the problem of anti-slip when holding the knife handle.
[0023] In this embodiment, by the disengagement and engagement of the fixed tooth block 104 and the movable tooth block 105, the positions of the adjusting block 106 and the knife handle 108 can be moved and fixed, thereby realizing the adjustment of the position of the knife handle 108. The adjustment process is simple and convenient, and it is ensured that during the use process, the user's fingers will not be injured by other components.
[0024] Among them, a chute 109 is provided on the knife handle 103, the chute 109 penetrates through the knife handle 103, the fixed tooth block 104 is fixedly installed inside the knife handle 103, the movable tooth block 105 is fixedly connected to the adjusting rod 107, the movable tooth block 105 meshes with the fixed tooth block 104, the adjusting rod 107 penetrates through the chute 109, the adjusting block 106 is fixedly installed on the adjusting rod 107 and is located outside the knife handle 103, the elastic connection assembly is installed on the movable tooth block 105, the knife handle 108 is fixedly installed on the adjusting block 106, the inside of the knife handle 103 is a hollow structure, the number of the knife handles 103 is two groups and they are respectively welded to the ends of the two groups of scissor blades 101, a group of the adjusting devices is provided on each of the knife handles 103, the length of the fixed tooth block 104 is much greater than the length of the movable tooth block 105, the adjusting block 106 is square-shaped, the knife handle 108 is in a circular ring structure, the knife handle 108 is welded to the side of the adjusting block 106, the adjusting rod 107 is welded to the bottom of the adjusting block 106, the diameter of the adjusting rod 107 is equal to the width of the chute 109. When the position of the knife handle 108 needs to be adjusted, the adjusting block 106 is pulled upward, so that the adjusting block 106 drives the movable tooth block 105 to disengage from the fixed tooth block 104 through the adjusting rod 107, and then drives the adjusting block 106 and the adjusting rod 107 to move along the chute 109. When the knife handle 108 on the adjusting block 106 moves to a suitable position, no force is applied to the adjusting block 106. At this time, the movable tooth block 105 is reset under the action of the elastic connection assembly, so that the movable tooth block 105 meshes with the fixed tooth block 104 again, and the position of the knife handle 108 is fixed, thus realizing the adjustment of the position of the knife handle 108. The adjustment process is simple and convenient, and it is ensured that during the use process, the user's fingers will not be injured by other components.
[0025] Secondly, one end of the connecting spring 111 is fixedly connected to the movable tooth block 105; the movable plate 110 is fixedly connected to the other end of the connecting spring 111, and at the same time the adjusting rod 107 penetrates through the movable plate 110. Each group of the elastic connection assemblies includes two groups of the connecting springs 111, and the two groups of the connecting springs 111 are symmetrically distributed along the axis of the adjusting rod 107. A circular through hole 113 is provided in the middle of the movable plate 110 to facilitate the sliding fit with the adjusting rod 107. Through the self-elastic effect of the connecting spring 111, when the movable tooth block 105 moves upward, the connecting spring 111 can drive the movable tooth block 105 to move downward and reset.
[0026] Again, the ball 112 is movably embedded in the movable plate 110. Four groups of the balls 112 are provided on each group of the movable plates 110, with two balls in each group and symmetrically distributed along the midline of the movable plate 110. Through the arrangement of the balls 112, the friction between the movable plate 110 and the inner wall of the knife handle 103 can be reduced, making the movable plate 110 move more smoothly inside the knife handle 103.
[0027] Finally, the through hole 113 penetrates through the scissor blade 101. Two groups of the through holes 113 are provided through each group of the scissor blades 101. Through the arrangement of the through holes 113, the weight of the scissor blade 101 can be reduced, making the overall scissors lighter.
[0028] In this embodiment, during use, the user can insert fingers through the handles 108 on both sides and make the scissor blades 101 enter the tissue culture bottle. By driving the two scissor blades 101 to approach each other, the fruit tree tissue in the tissue culture bottle can be trimmed. When the position of the handle 108 needs to be adjusted, the adjusting block 106 is pulled upward, so that under the connection action of the adjusting rod 107, the movable tooth block 105 is driven to move upward and disengaged from the fixed tooth block 104. At this time, the connecting spring 111 is compressed and in a compressed state. Then, the adjusting block 106 and the adjusting rod 107 are driven to move along the sliding groove 109. When the handle 108 on the adjusting block 106 moves to a suitable position, no force is applied to the adjusting block 106 anymore. At this time, the movable tooth block 105 is reset under the action of the connecting spring 111, so that the movable tooth block 105 meshes with the fixed tooth block 104 again, and the position of the handle 108 is fixed, thus realizing the adjustment of the position of the handle 108. The adjustment process is simple and convenient, and it is ensured that during use, the user's fingers will not be injured by other components.
[0029] The second embodiment of this application is as follows:
[0030] Please refer to Figure 5 where Figure 5 is the overall structural schematic diagram of a special scissors for fruit tree tissue culture in the second embodiment of the present invention. On the basis of the first embodiment, the special scissors for fruit tree tissue culture in this embodiment further includes an anti-slip sleeve 201.
[0031] In this embodiment, through the arrangement of the anti-slip sleeve 201, the friction between the finger and the handle 108 is increased.
[0032] Among them, the anti-slip sleeve 201 is sleeved on the knife handle 108. The number of the anti-slip sleeves 201 is two groups. One group of the anti-slip sleeves 201 is sleeved on each knife handle 108. The anti-slip sleeve 201 is made of rubber material. When in use, the user passes the finger through the knife handle 108, and the finger will contact with the anti-slip sleeve 201, so that the friction between the finger and the knife handle 108 is increased.
[0033] In this embodiment, when in use, the user passes the finger through the knife handle 108, and the finger will contact with the anti-slip sleeve 201, so that the friction between the finger and the knife handle 108 is increased.
[0034] The above-disclosed are only one or more preferred embodiments of the present application, and the scope of rights of the present application cannot be limited thereby. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.
Claims
1. A special scissors for fruit tree tissue culture, comprising scissor blades, positioning pins and handles. The number of the scissor blades is two groups, and the two groups of scissor blades are hinged by the positioning pins. The handles are fixedly installed on the scissor blades, and it is characterized in that, an adjusting device is further included; The adjusting device includes a fixed tooth block, a movable tooth block, an adjusting block, an adjusting rod, a handle and an elastic connection assembly. A chute is provided on the handle, and the chute penetrates through the handle. The fixed tooth block is fixedly installed in the handle. The movable tooth block is fixedly connected with the adjusting rod, and the movable tooth block meshes with the fixed tooth block. The adjusting rod penetrates through the chute. The adjusting block is fixedly installed on the adjusting rod and is located outside the handle. The elastic connection assembly is installed on the movable tooth block, and the handle is fixedly installed on the adjusting block; The elastic connection assembly includes a movable plate and a connecting spring. One end of the connecting spring is fixedly connected with the movable tooth block; the movable plate is fixedly connected with the other end of the connecting spring, and at the same time the adjusting rod penetrates through the movable plate; The elastic connection assembly further includes a ball, and the ball is movably embedded in the movable plate.
2. The special scissors for fruit tree tissue culture according to claim 1, wherein through holes are further provided on the scissor blades, and the through holes penetrate through the scissor blades.
3. The special scissors for fruit tree tissue culture according to claim 1, wherein the adjusting device further includes an anti-slip sleeve, and the anti-slip sleeve is sleeved on the handle.