CN220741463U - Portable puncher - Google Patents

Portable puncher Download PDF

Info

Publication number
CN220741463U
CN220741463U CN202322404947.6U CN202322404947U CN220741463U CN 220741463 U CN220741463 U CN 220741463U CN 202322404947 U CN202322404947 U CN 202322404947U CN 220741463 U CN220741463 U CN 220741463U
Authority
CN
China
Prior art keywords
hole
groove
spring
hole groove
main body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202322404947.6U
Other languages
Chinese (zh)
Inventor
高鸿飞
翟杉杉
晋芳
任雪贞
孙全
吴刚
武玉花
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NATIONWIDE AGRICULTURAL TECHNOLOGY PROMOTION SERVICE CENTER
Oil Crops Research Institute of Chinese Academy of Agriculture Sciences
Original Assignee
NATIONWIDE AGRICULTURAL TECHNOLOGY PROMOTION SERVICE CENTER
Oil Crops Research Institute of Chinese Academy of Agriculture Sciences
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NATIONWIDE AGRICULTURAL TECHNOLOGY PROMOTION SERVICE CENTER, Oil Crops Research Institute of Chinese Academy of Agriculture Sciences filed Critical NATIONWIDE AGRICULTURAL TECHNOLOGY PROMOTION SERVICE CENTER
Priority to CN202322404947.6U priority Critical patent/CN220741463U/en
Application granted granted Critical
Publication of CN220741463U publication Critical patent/CN220741463U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The utility model relates to the technical field of punchers, and provides a portable puncher, which comprises: the main body part is constructed into a column body, a first hole groove is formed in the top surface of the main body part, a second hole groove communicated with the first hole groove is formed in the bottom surface of the main body part, a containing groove is formed in the side wall of the main body part, and the second hole groove penetrates through the containing groove; the spring is clamped in the first hole groove; the pressing rod is suitable for moving along the first hole groove and the second hole groove, the top end of the pressing rod is provided with a top cap, the spring is sleeved on the pressing rod, the top of the spring is stopped against the top cap, and when the top cap is pressed to enable the spring to be in a compressed state, the bottom end of the pressing rod moves to the bottom surface of the main body through the second hole groove and penetrates through the accommodating groove. The punching operation to the blade is realized through the main part that sets up, press pole and spring, convenient operation high-efficient, simple structure, easy processing, compared with clamp type hole puncher among the prior art, the cost greatly reduced to the product volume is about to be less than clamp type hole puncher far away, conveniently carries more.

Description

Portable puncher
Technical Field
The utility model relates to the technical field of punchers, in particular to a portable puncher.
Background
In the development of plant biology research, plant leaves are usually required to be sampled, randomness and freshness are ensured, and when corresponding data indexes of the leaves are required to be measured, the leaves with a certain area are usually selected from the whole leaves, and then weighing and other operations are performed by a balance. The leaf puncher is a tool frequently adopted for analyzing plant physiological properties, and leaf materials with consistent leaf surface areas can be obtained by using the leaf puncher, so that the leaf puncher has important effects on measuring chlorophyll content in unit area of the leaf and leaf specific leaf weight.
At present, a clamp type blade puncher is generally adopted for collecting plant blades, but the clamp type blade puncher in the prior art is generally complex in structure, high in manufacturing cost and high in size, is inconvenient to carry, and needs a puncher which can be used for collecting plant blades and is more economical and practical and convenient to carry.
Accordingly, there is a need for improvement and development in the art.
Disclosure of Invention
The utility model aims to provide a portable puncher so as to solve the technical problems that the puncher in the prior art is complex in structure and inconvenient to carry.
In order to achieve the above purpose, the utility model adopts the following technical scheme: there is provided a portable hole punch comprising:
the main body part is configured into a column body, a first hole groove is formed in the top surface of the main body part, a second hole groove communicated with the first hole groove is formed in the bottom surface of the main body part, a containing groove is formed in the side wall of the main body part, and the second hole groove penetrates through the containing groove;
the spring is clamped in the first hole groove;
the pressing rod is suitable for moving along the first hole groove and the second hole groove, a top cap is arranged at the top end of the pressing rod, the spring is sleeved on the pressing rod, the top of the spring is stopped against the top cap, and when the top cap is pressed to enable the spring to be in a compressed state, the bottom end of the pressing rod moves to the bottom surface of the main body through the second hole groove and penetrates through the accommodating groove.
Further, the groove diameter of the first hole groove is larger than that of the second hole groove, an annular table top is formed at the communication position of the first hole groove and the second hole groove, and the bottom of the spring is stopped on the annular table top.
Further, the outer diameter of the top cap is larger than the groove diameter of the first hole groove, and the top cap is suitable for being abutted against the top surface of the main body part when the pressing rod moves towards the bottom surface of the main body part.
In some embodiments, the length of the pressing bar is not less than the sum of the lengths of the first and second aperture slots.
Further, the groove diameter of the second hole groove is not smaller than 2mm.
In some embodiments, the first bore groove has a groove diameter equal to an outer diameter of the spring, and the second bore groove has a groove diameter equal to an outer diameter of the pressing rod.
Further, the main body part is a plastic cylinder.
In some embodiments, the body portion has a height of 15mm to 30mm and an outer diameter of 10mm to 20mm.
Further, the distance between the bottom of the accommodating groove and the second hole groove is not less than 1mm.
In some embodiments, the top of the spring is attached to the top cap and/or the bottom of the spring is attached to the annular table top.
The portable puncher provided by the utility model has the beneficial effects that: this portable puncher realizes the operation of punching to the blade through main part, the pressure pole that sets up and spring, convenient operation high-efficient, simple structure, easy processing, compare clamp formula puncher among the prior art, cost greatly reduced to the product volume is about to be far less than clamp formula puncher, conveniently carries more.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an exploded view of a portable hole punch according to an embodiment of the present utility model in a top view;
fig. 2 is an exploded view of the portable hole puncher according to the embodiment of the present utility model in a bottom view;
FIG. 3 is a schematic cross-sectional view of the portable hole punch of FIG. 1 in the direction A-A according to an embodiment of the present utility model;
FIG. 4 is a schematic view showing the relative positions of the pressing rod and the main body when the spring is in a free state according to the embodiment of the present utility model;
fig. 5 is a schematic diagram showing the relative positions of the pressing rod and the main body when the spring is in a compressed state according to the embodiment of the present utility model.
Wherein, each reference sign in the figure:
1. a main body portion; 11. a first hole groove; 12. a second hole groove; 13. a receiving groove; 14. an annular table top; 15. a top surface; 16. a bottom surface;
2. a spring;
3. pressing a pressing rod; 31. and (5) a top cap.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The directions or positions indicated by the terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are directions or positions based on the drawings, and are merely for convenience of description and are not to be construed as limiting the present technical solution. The terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.
Hereinafter, a portable hole punch according to an embodiment of the present utility model will be described with reference to the accompanying drawings.
Referring to fig. 1 and 2, fig. 1 and 2 show a structural explosion diagram of a portable hole puncher of the present application, which includes a main body 1, a spring 2 and a pressing rod 3, wherein the main body 1 is configured as a column, a first hole groove 11 is formed in a top surface 15 of the main body 1, a second hole groove 12 communicated with the first hole groove 11 is formed in a bottom surface 16 of the main body 1, a containing groove 13 is formed in a side wall of the main body 1, the second hole groove 12 penetrates through the containing groove 13, and the containing groove 13 is used for placing a blade.
With continued reference to fig. 1, 2 and 3, the pressing rod 3 is adapted to move along the first hole groove 11 and the second hole groove 12, the spring 2 is clamped in the first hole groove 11 and sleeved on the pressing rod 3, a top cap 31 is arranged at the top end of the pressing rod 3, the top of the spring 2 is stopped against the top cap 31, and when the top cap 31 is pressed to enable the spring 2 to be in a compressed state, the bottom end of the pressing rod 3 moves towards the bottom surface 16 of the main body 1 through the second hole groove 12 and penetrates through the accommodating groove 13.
When punching the blade, the blade is placed in the accommodating groove 13, and the edge of the blade is stopped on the inner wall of the accommodating groove 13, namely, the blade is kept to cover the through position of the accommodating groove 13 and the second hole groove 12, then the top cap 31 is pressed, the spring 2 is compressed, the pressing rod 3 at the moment moves towards the bottom surface 16 of the main body part 1 in the first hole groove 11 and the second hole groove 12, in the moving process, the bottom end of the pressing rod 3 cuts off the blade at the through position of the accommodating groove 13 and the second hole groove 12 under the action of pressure, so as to obtain a blade sample, and the blade sample plate is pushed to the outside of the main body part 1 along the second hole groove 12, so that a person obtains the blade sample.
After the punching is completed, the top cap 31 is loosened, the spring 2 expands, and the pressing rod 3 is driven to move towards the top surface 15 of the main body 1 and restore to the original position, it can be understood that when the top cap 31 is pressed to enable the spring 2 to be in a compressed state, the bottom end of the pressing rod 3 moves towards the bottom surface 16 of the main body 1 through the second hole groove 12 and penetrates the accommodating groove 13, which means that when the top cap 31 is not pressed, namely, when the spring 2 is in a free state, the bottom end of the pressing rod 3 is positioned between the top surface 15 of the main body 1 and the accommodating groove 13, and can penetrate the accommodating groove 13 after the top cap 31 is pressed.
This portable puncher realizes the operation of punching to the blade through the main part 1 that sets up, presses pole 3 and spring 2, convenient operation high-efficient, simple structure, easy processing, compare clamp formula puncher among the prior art, cost greatly reduced to the product volume is about to be less than clamp formula puncher far away, conveniently carries more.
Further, referring to fig. 3, the height a of the main body 1 may be set to 15mm-30mm, the outer diameter b of the main body 1 may be set to 10mm-20mm, the volume of the whole main body 1 may not exceed 10 square centimeters, and the main body may be placed in any pocket of a garment or a backpack, and the whole weight is lighter and very suitable for carrying out.
Illustratively, the main body 1 is a cylinder, the height a of the main body 1 is 18mm, the outer diameter b of the main body 1 is 15mm, and the whole main body 1 has a volume of about 3 square centimeters and is compact and lightweight.
Further, the main body 1 is provided as a column, and may be a cylinder, or may be a prismatic structure, such as a cuboid, a cube, a triangular prism, or the like, as an integral frame of the hole puncher, so as to provide a stable supporting space for the blade and the movement of the spring 2 and the pressing rod 3, and for this purpose, the structural shape of the main body 1 is not specifically limited.
In some embodiments, the main body 1 is a plastic cylinder, specifically, may be a cylinder structure formed by processing a hard organic synthetic polymer material such as polyethylene, polypropylene, polycarbonate, high-impact polystyrene, polymethacrylate, and the like, and has light weight, good impact resistance effect and greatly reduced processing cost compared with a traditional metal puncher.
Further, can set up pressing rod 3 into the plastic pole, perhaps set up to the joining rod of plastic pole and metal pole, for example, pressing rod 3 is including setting up the metal part in the bottom, and the bottom terminal surface of pressing rod 3 is pressed to the metal part cladding, and wherein, the metal part can be the sheetmetal of setting on pressing rod 3 bottom terminal surface, can be the metal piece, and the hardness of metal is higher than plastics, and it is better to the cutting effect of blade, has further improved portable hole puncher's portability to the punching effect has been ensured.
In some embodiments, referring to fig. 3-5, the groove diameter of the first hole groove 11 is larger than the groove diameter of the second hole groove 12, an annular table 14 is formed at the communication position of the first hole groove 11 and the second hole groove 12, and the bottom of the spring 2 is stopped on the annular table 14, that is, the outer diameter of the spring 2 is smaller than or equal to the groove diameter of the first hole groove 11 and larger than or equal to the groove diameter of the second hole groove 12.
When the novel spring is used, the top surface 15 of the main body part 1 is upwards placed, the spring 2 is placed in the first hole groove 11, the bottom of the spring 2 is stopped on the annular table top 14 under the action of gravity, the top surface 15 of the main body part 1 is kept upwards when the novel spring is used, the spring 2 can be prevented from falling off, then the pressing rod 3 is inserted into a hollow area in the middle of the spring 2, the top cap 31 is stopped against the top end of the spring 2, after the top cap 31 is pressed, the spring 2 can be compressed, so that the pressing rod 3 moves towards the bottom surface 16 of the main body part 1, and blades are punched.
From this has realized the disconnect-type setting of main part 1, spring 2 and pressing rod 3, carries out the position limitation through the mode of mutual joint between main part 1, spring 2 and the pressing rod 3, and main part 1 is spacing to spring 2 through annular mesa 14, carries out spacing through top cap 31 between spring 2 and the pressing rod 3, does not need to connect fixedly through specific connecting element, is convenient for maintain and change, has also reduced processing cost.
Of course, the groove diameter of the first hole groove 11 may be equal to the groove diameter of the second hole groove 12, that is, the first hole groove 11 and the second hole groove 12 are provided as an integral through groove, the upper portion of the through groove is the first hole groove 11, the lower portion of the through groove is the second hole groove 12, the spring 2 is fixed in the area of the first hole groove 11 by means of clamping or inserting, for example, a plurality of protrusions are provided along the circumferential direction at the communication position of the first hole groove 11 and the second hole groove 12, after the spring 2 is placed in the first hole groove 11, the bottom of the spring 2 is lapped on the protrusions under the action of gravity, and the spring 2 can be limited in the first hole groove 11.
In addition, can also set up the buckle in the bottom of spring 2, set up the draw-in groove in the intercommunication position of first hole groove 11 and second hole groove 12, spring 2 is placing first hole groove 11 mouthful, through the cooperation of buckle and draw-in groove, spacing in first hole groove 11 with the mode of joint.
Further, referring to fig. 1-5, the outer diameter of the top cap 31 is larger than the groove diameter of the first hole groove 11, when the pressing rod 3 moves towards the bottom surface 16 of the main body 1, the top cap 31 is suitable for abutting against the top surface 15 of the main body 1, and in the punching process, after the top of the pressing rod 3 completely enters the first hole groove 11, the top cap 31 can abut against the top surface 15 of the main body 1 to prevent the pressing rod 3 from sliding down continuously, so that the pressing rod 3 is prevented from sliding down to the ground directly along the first hole groove 11 and the second hole groove 12.
It will be appreciated that the top cap 31 may be configured as a cylindrical shape as shown in fig. 1-5, or may be configured as other shapes, and the shape of the top cap 31 is not specifically limited in this application, so as to be capable of stopping against the top surface 15 of the main body 1, and may be configured as a triangle, a rectangle, a truncated cone, a hemisphere, or the like, which are all within the scope of the present application.
Further, the length of the pressing rod 3 is not smaller than the sum of the lengths of the first hole groove 11 and the second hole groove 12, when the pressing rod 3 completely enters the first hole groove 11 and the second hole groove 12 in the punching process, namely, when the top cap 31 is stopped against the top surface 15 of the main body part 1, the bottom end of the pressing rod 3 can be ensured to move to a position flush with the bottom surface 16 of the main body part 1 in the second hole groove 12, or the bottom end of the pressing rod 3 can move to the outside of the main body part 1 from the second hole groove 12, so that the cut blade sample is pushed to the bottom surface 16 or the outside of the main body part 1, the blade sample is prevented from being stagnated in the second hole groove 12, and the blade sample is convenient to take by a person.
Illustratively, referring to fig. 3, the length c of the first hole groove 11 may be set to 7mm, the length d of the second hole groove 12 to 7mm, the length of the pressing lever 3 to 18mm, and when the top cap 31 is stopped against the top surface 15 of the main body part 1, the bottom end of the pressing lever 3 moves to the outside of the second hole groove 12, pushing out the blade sample from the second hole groove 12.
Of course, the length c of the first hole groove 11 is set to 7mm, the length d of the second hole groove 12 is set to 7mm, the length of the pressing rod 3 may be set to 14mm, and when the top cap 31 is stopped against the top surface 15 of the main body 1, the bottom end of the pressing rod 3 is moved to the notch of the second hole groove 12, and the bottom end of the pressing rod 3 at this time is flush with the bottom surface 16 of the main body 1, so that the blade sample may be pushed out from the second hole groove 12.
And, the length of the spring 2 is greater than that of the first hole groove 11, and the length of the spring 2 in a free state is set to 15mm, for example, when the spring 2 is placed in the first hole groove 11, the tip of the spring 2 is located outside the body part 1 to drive the pressing rod 3 to reciprocate by pressing.
In some embodiments, the groove diameter of the second hole groove 12 is not less than 2mm, specifically, to meet different sampling requirements, the groove diameter of the second hole groove 12 may be 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm or 10mm, or the like, or the groove diameter of the second hole groove 12 may be any length value between any two of the foregoing lengths, which is not limited in this disclosure.
Further, the groove diameter of the first hole groove 11 is equal to the outer diameter of the spring 2, and the groove diameter of the second hole groove 12 is equal to the outer diameter of the pressing rod 3.
Illustratively, the groove diameter of the second hole groove 12 is set to 2mm, the groove diameter of the first hole groove 11 is set to 4mm, the mesa width of the annular mesa 14 formed by the groove diameter setting method is 1mm, the difference between the inner diameter and the outer diameter of the spring 2 is set to 1mm, the spring 2 just can be stopped on the annular mesa 14 after being placed in the first hole groove 11, the outer ring region of the spring 2 can be attached to the groove wall of the first hole groove 11, the pressing rod 3 can be attached to the inner ring region of the spring 2 when moving in the spring 2, the pressing rod 3 can be attached to the groove wall of the second hole groove 12 when moving in the second hole groove 12, the stability in the moving process of the pressing rod 3 is guaranteed, and the punching effect is better.
In some embodiments, the blade is to be placed in the accommodating groove 13 when punching, and the edge of the blade is stopped against the inner wall of the accommodating groove 13, so that the periphery of the blade can be lapped and covered on the second hole groove 12, and in order to ensure the lapping stability of the blade, referring to fig. 3, the distance L between the bottom of the accommodating groove 13 and the second hole groove 12 is not less than 1mm, that is, when the blade is lapped on the second hole groove 12, the distance between the edge of the blade and the second hole groove 12 is not less than 1mm, so that the blade can be lapped on the second hole groove 12 stably, and the condition that the blade is deformed or moved to cause ineffective cutting when the pressing rod 3 performs cutting is avoided.
Illustratively, the distance L between the bottom of the receiving groove 13 and the second hole groove 12 is 1mm, 2mm, 3mm, etc., or the distance L may be any length value between any two of the foregoing lengths, which is not limited by the embodiment of the present disclosure,
in some embodiments, the top of the spring 2 is connected to the top cap 31, or the bottom of the spring 2 is connected to the annular table top 14, that is, the spring 2 and the pressing rod 3 are connected into a whole, or the spring 2 and the main body 1 are connected into a whole, when in use, the main body 1, the pressing rod 3 and the spring 2 can be aligned and installed only by one step, the steps are more concise, and the maintenance and the replacement are convenient.
Of course, the top of the spring 2 can be connected to the top cap 31, and the bottom of the spring 2 can be connected to the annular table top 14 at the same time, so that the spring is directly connected into an integral structure, the use is more convenient, and parts are not easy to lose.
The spring 2 and the top cap 31 and the annular table top 14 may be fixedly connected by welding or gluing, or may be detachably connected by clamping.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A portable hole punch, comprising:
the main body part is configured into a column body, a first hole groove is formed in the top surface of the main body part, a second hole groove communicated with the first hole groove is formed in the bottom surface of the main body part, a containing groove is formed in the side wall of the main body part, and the second hole groove penetrates through the containing groove;
the spring is clamped in the first hole groove;
the pressing rod is suitable for moving along the first hole groove and the second hole groove, a top cap is arranged at the top end of the pressing rod, the spring is sleeved on the pressing rod, the top of the spring is stopped against the top cap, and when the top cap is pressed to enable the spring to be in a compressed state, the bottom end of the pressing rod moves to the bottom surface of the main body through the second hole groove and penetrates through the accommodating groove.
2. The portable hole puncher of claim 1 wherein the first hole slot has a larger slot diameter than the second hole slot, an annular table surface is formed at the connection of the first hole slot and the second hole slot, and the bottom of the spring is stopped against the annular table surface.
3. The portable hole punch according to claim 1, wherein the top cap has an outer diameter larger than a groove diameter of the first hole groove, and is adapted to abut against a top surface of the main body portion when the pressing lever moves toward the bottom surface of the main body portion.
4. The portable hole punch of claim 1, wherein the length of the pressing bar is not less than the sum of the lengths of the first and second hole slots.
5. The portable hole punch of claim 1, wherein the second hole slot has a slot diameter of not less than 2mm.
6. The portable hole punch of claim 1, wherein the first hole slot has a slot diameter equal to an outer diameter of the spring and the second hole slot has a slot diameter equal to an outer diameter of the pressing bar.
7. The portable hole punch of claim 1, wherein the body portion is a plastic cylinder.
8. The portable hole punch according to claim 1, wherein the height of the body portion is 15mm-30mm and the outer diameter of the body portion is 10mm-20mm.
9. The portable hole puncher of claim 1 wherein a distance between a bottom of the receiving groove and the second hole groove is not less than 1mm.
10. The portable hole punch according to claim 2, wherein the top of the spring is connected to the top cap and/or the bottom of the spring is connected to the annular table top.
CN202322404947.6U 2023-09-04 2023-09-04 Portable puncher Active CN220741463U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322404947.6U CN220741463U (en) 2023-09-04 2023-09-04 Portable puncher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322404947.6U CN220741463U (en) 2023-09-04 2023-09-04 Portable puncher

Publications (1)

Publication Number Publication Date
CN220741463U true CN220741463U (en) 2024-04-09

Family

ID=90557802

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322404947.6U Active CN220741463U (en) 2023-09-04 2023-09-04 Portable puncher

Country Status (1)

Country Link
CN (1) CN220741463U (en)

Similar Documents

Publication Publication Date Title
CN220741463U (en) Portable puncher
CN210834222U (en) Multifunctional rapid sampling device for food detection
CN215004400U (en) Portable multi-disc plant leaf sampling device that punches
CN210162889U (en) Adhesive tape box convenient for cutting adhesive tape
CN210025550U (en) Puncher for accounting
CN211220899U (en) Sealing washer raw materials cutting device of equidistant cutting of continuity
CN216578208U (en) Automatic material returning and punching device with replaceable punching tool
CN219878704U (en) Slitting device for tablets
CN211576593U (en) Gene detection blood piece sampling device that punches
CN208867318U (en) A kind of Multifunction cutting diaphragm
CN201881426U (en) Handheld paper puncher
CN220166513U (en) Cloth measuring scale
CN210090052U (en) Formaldehyde test leather sample extraction element
CN212764325U (en) Soup ladle slitter edge resection device of soup ladle packing usefulness
CN212945167U (en) High-precision cutting device for machining return spring
CN211250313U (en) Wire cutting machine
CN213956821U (en) Coating surface density detection sampling device
CN210560440U (en) Hand-held type plant leaf sampler
CN220638009U (en) Pipe cutting tool with fixed length function
CN217256442U (en) Scissors convenient to cut
CN213383261U (en) Bag body cutting device of paper bag forming machine
CN202498570U (en) Paper cutter for filter paper
EP3013539A1 (en) Bead snipper
US11833794B2 (en) Multi-functional laminator
CN217728844U (en) Agarose gel cutter

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant