CN207669164U - A kind of plant tissue slice auxiliary tweezers - Google Patents

Abstract

The utility model discloses a kind of plant tissue slice auxiliary tweezers, including first handle, second handle and articulated shaft, the lower end of the first handle and second handle is installed with connector, it is rotatablely connected between the articulated shaft and connector, the lower end of the first handle and second handle is respectively connected with straight slot, rotating handle is installed on the outer wall of the straight slot, the side of the rotating handle is fixedly connected with connecting shaft, the side of the connecting shaft is fixedly connected with gear, the gear is located in the inner cavity of straight slot, the bottom of the first handle is equipped with the first gripping head, the bottom of the second handle is equipped with the second gripping head, the first gripping head and the second gripping head are respectively positioned in straight slot.The plant tissue slice is reasonable with auxiliary forceps constructions, easy to use, more convenient to carry out histotomy to plant, and operation also more simple has very high practical value and promotion prospect.

Description

A kind of plant tissue slice auxiliary tweezers

Technical field

The utility model is related to biological study technical field, specially a kind of plant tissue slice auxiliary tweezers.

Background technology

In botany teaching, scientific research, plant tissue need to be cut into the thin slice of 4-20 μ m-thicks, so that light microscope is in glass On piece microscopy.Slicing mode includes free-hand section and microtome.The cutter that free-hand section uses is typically two-edged knife or list Face knife.When slice, not only cutter is difficult to hold, but also often thickness differs the thin slice being cut into, and wastes a large amount of time.

Utility model content

The purpose of this utility model is to provide a kind of plant tissue slice auxiliary tweezers, to solve above-mentioned background technology The problem of middle proposition.

To achieve the above object, the utility model provides the following technical solutions：A kind of plant tissue slice auxiliary tweezers, Including first handle, second handle and articulated shaft, the lower end of the first handle and second handle is installed with connector, It is rotatablely connected between the articulated shaft and connector, the lower end of the first handle and second handle is respectively connected with straight slot, described Rotating handle is installed on the outer wall of straight slot, the side of the rotating handle is fixedly connected with connecting shaft, and the one of the connecting shaft Side is fixedly connected with gear, and the gear is located in the inner cavity of straight slot, and the bottom of the first handle is equipped with the first gripping head, The bottom of the second handle is equipped with the second gripping head, and the first gripping head and the second gripping head are respectively positioned in straight slot, institute The outside for stating the first gripping head and the second gripping head is installed with rack, the rack and pinion engagement connection, and described the The bottom of one gripping head is fixedly connected with wedge angle, and the bottom of affiliated second gripping head is rotatably connected to blade by shaft.

Preferably, the first handle and second handle are that rubber material is made, the first gripping head and the second folder It is that metal material is made to take head.

Preferably, the top of the first gripping head and the second gripping head is installed with limited block.

Preferably, the both sides up and down of the shaft be fixedly connected with the first locating shaft and the second locating shaft, affiliated It is fixedly connected with resetting spring between two locating shafts and blade.

Preferably, it is installed with locating button above the connecting shaft.

Compared with prior art, the utility model has the beneficial effects that：The plant tissue slice is closed with auxiliary forceps constructions Reason, easy to use, relative to traditional tweezers tool, it is more flexible, and two gripping heads can freely control length, simultaneously The bottom of a gripping head is also equipped with blade wherein, and blade has certain elasticity in an installation, pair that can be more convenient Plant carries out histotomy, and function is more powerful, and operation also more simple has very high practical value and promotion prospect.

Description of the drawings

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the mounting structure schematic diagram that the utility model grips head；

Fig. 3 is the mounting structure schematic diagram of the utility model blade.

In figure：1 first handle, 2 second handles, 3 articulated shafts, 4 connectors, 5 locating buttons, 6 connecting shafts, 7 first gripping heads, 8 wedge angles, 9 blades, 10 second gripping heads, 11 rotating handles, 12 straight slots, 13 racks, 14 limited blocks, 15 gears, 16 shaft axis, 17 First locating shaft, 18 second locating shafts, 19 resetting springs.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

In the description of this practicality, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal" or Person's position relationship is orientation based on ... shown in the drawings or position relationship, is merely for convenience of describing this practicality and simplify to describe, Rather than instruction either implies that signified device or element must have a particular orientation, with specific azimuth configuration and behaviour Make, therefore should not be understood as the limitation to this practicality.In addition, " first ", " second ", " third ", " the 4th " are only used for description mesh , and should not be understood as indicating or implying relative importance.

In the description of this practicality, it is also necessary to explanation, unless otherwise specific regulation and limitation, term " setting ", " peace Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection can be mechanical connection, can also be electrical connection, can be directly connected to, and can also be to be connected by intermediary, can To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned Concrete meaning of the term in this practicality.

- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of plant tissue slice auxiliary tweezers, packet First handle 1, second handle 2 and articulated shaft 3 are included, the first handle 1 and second handle 2 are that rubber material is made, and are convenient for It uses, it is that metal material is made that the first gripping head 7 and second, which grips head 10, the first handle 1 and second handle 2 Lower end is installed with connector 4, is rotatablely connected between the articulated shaft 3 and connector 4, the first handle 1 and second The lower end of handle 2 is respectively connected with straight slot 12, and rotating handle 11 is equipped on the outer wall of the straight slot 12, the rotating handle 11 Side is fixedly connected with connecting shaft 6, and the side of the connecting shaft 6 is fixedly connected with gear 15, and the top of the connecting shaft 6 is fixed Locating button 5 is installed, for positioning, a component is made to keep stablizing, the gear 15 is located in the inner cavity of straight slot 12, and described first The bottom of handle 1 is equipped with the first gripping head 7, and the bottom of the second handle 2 is equipped with the second gripping head 10, first folder Take first 7 and second the top of gripping head 10 be installed with limited block 14, it is equal that the first gripping head 7 and second grips head 10 In straight slot 12, the outside that the first gripping head 7 and second grips head 10 is installed with rack 13, the rack 13 Connection is engaged with gear 15, the bottom of the first gripping head 7 is fixedly connected with wedge angle 8, the bottom of affiliated second gripping head 10 It is rotatably connected to blade 9 by shaft 16, the both sides up and down of the shaft 16 have been fixedly connected with the first locating shaft 16 and second Locating shaft 18 is fixedly connected with resetting spring 19, for resetting for limiting between affiliated second locating shaft 18 and blade 9.

Operation principle：In use, can first handle 1 directly be held and second handle 2 is used, and rotation can be passed through Handle 11 adjusts the length that the first gripping head 7 and second grips head 10, is rotated with moving gear 15 by rotating handle 11, is matched simultaneously Co-clip takes the rack 13 on head to be adjusted, when being sliced to plant tissue, can slightly firmly by second gripping head 10 to Lower pressing, blade 9, which is tilted to certain angle, to be sliced.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of plant tissue slice auxiliary tweezers, including first handle（1）, second handle（2）And articulated shaft（3）, special Sign is：The first handle（1）And second handle（2）Lower end be installed with connector（4）, the articulated shaft（3） With connector（4）Between be rotatablely connected, the first handle（1）And second handle（2）Lower end be respectively connected with straight slot（12）, institute State straight slot（12）Outer wall on rotating handle is installed（11）, the rotating handle（11）Side be fixedly connected with connecting shaft （6）, the connecting shaft（6）Side be fixedly connected with gear（15）, the gear（15）Positioned at straight slot（12）Inner cavity in, institute State first handle（1）Bottom the first gripping head is installed（7）, the second handle（2）Bottom the second gripping head is installed （10）, the first gripping head（7）With the second gripping head（10）It is respectively positioned on straight slot（12）It is interior, the first gripping head（7）With Two gripping heads（10）Outside be installed with rack（13）, the rack（13）With gear（15）Engagement connection, described the One gripping head（7）Bottom be fixedly connected with wedge angle（8）, affiliated second gripping head（10）Bottom pass through shaft（16）Rotation connects It is connected to blade（9）.

2. a kind of plant tissue slice according to claim 1 auxiliary tweezers, it is characterised in that：The first handle （1）And second handle（2）It is that rubber material is made, the first gripping head（7）With the second gripping head（10）It is metal material Material is made.

3. a kind of plant tissue slice according to claim 1 auxiliary tweezers, it is characterised in that：The first gripping head （7）With the second gripping head（10）Top be installed with limited block（14）.

4. a kind of plant tissue slice according to claim 1 auxiliary tweezers, it is characterised in that：The shaft（16）'s Upper and lower both sides have been fixedly connected with the first locating shaft（17）With the second locating shaft（18）, second locating shaft（18）With blade （9）Between be fixedly connected with resetting spring（19）.

5. a kind of plant tissue slice according to claim 1 auxiliary tweezers, it is characterised in that：The connecting shaft（6） Top be installed with locating button（5）.