CN218969200U

CN218969200U - Length-adjustable portable cell scraper

Info

Publication number: CN218969200U
Application number: CN202223573632.6U
Authority: CN
Inventors: 黄冲; 赵路; 田磊; 宗春琳; 景莉; 郭凯; 肖运
Original assignee: NORTHWEST UNIVERSITY; Air Force Medical University of PLA
Current assignee: NORTHWEST UNIVERSITY; Air Force Medical University of PLA
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-05
Anticipated expiration: 2032-12-30

Abstract

The utility model provides a portable cell scraper with adjustable length, which comprises a handle, a telescopic connecting rod and a scraper, wherein the telescopic connecting rod comprises a sleeve rod, a screw rod and a telescopic rod, the sleeve rod is inserted into the handle, a sliding hole is formed in the sleeve rod, the screw rod is rotationally inserted into the sliding hole, the telescopic rod is slidingly inserted into the sliding hole and sleeved on the screw rod through threaded fit, the scraper is connected onto the telescopic rod, and a telescopic driving structure is arranged in the sleeve rod. According to the utility model, the telescopic connecting rod is additionally arranged on the basis of the handle, on one hand, the length of the telescopic connecting rod can be adjusted by connecting the telescopic connecting rod with the handle, and meanwhile, the connecting position between the telescopic connecting rod and the handle can be also adjusted, so that a user can conveniently install and adjust the telescopic connecting rod according to actual demands, and the whole length of the cell scraper is changed, so that the telescopic scraper is more handy to use.

Description

Length-adjustable portable cell scraper

Technical Field

The utility model belongs to the technical field of cytology experimental instruments, and particularly relates to a portable cell scraper with an adjustable length.

Background

The existing cell scrapers in the market are all disposable and cannot be reused, so that the waste of resources is caused to a certain extent. Meanwhile, in the cell culture process, an experiment operator needs to use culture dishes or culture bottles with different specifications according to different cell types and experiment purposes, so that a single type of cell scraper cannot meet the experiment requirements. When scraping cells in the superclean bench, the cell scraper of the fixed tool bit of short handle is more convenient to use to the cell in the culture dish, and when scraping the cell in the blake bottle, the cell scraper of the movable tool bit of long handle is more convenient, so needs a whole length adjustable cell scraper.

Disclosure of Invention

The utility model aims to solve the technical problems of the prior art, and provides the portable cell scraper with adjustable length, and the telescopic connecting rod is additionally arranged on the basis of the handle, so that on one hand, the telescopic connecting rod can realize the length adjustment by connecting the telescopic connecting rod with the handle, and meanwhile, the connecting position between the telescopic connecting rod and the handle can also be adjusted, thereby facilitating the installation and adjustment of a user according to actual demands, changing the whole length of the cell scraper, and being more convenient to use.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a portable cell scraper of adjustable length, includes handle, flexible connecting rod and scraper, flexible connecting rod includes loop bar, screw rod and telescopic link, the loop bar cartridge is in the handle, the slide hole has been seted up in the loop bar, the screw rod rotates the cartridge in the slide hole, telescopic link slip cartridge is in the slide hole and locates on the screw rod through screw-thread fit cover, the scraper is connected on the telescopic link, be equipped with flexible drive structure in the loop bar.

Preferably, the telescopic driving structure comprises a transmission bevel gear, a driving shaft and a knob, wherein the driving shaft is rotatably inserted on the loop bar, the knob is fixedly connected to one end of the driving shaft, which is positioned outside the loop bar, the driving bevel gear is sleeved at the other end of the driving shaft, and the transmission bevel gear is sleeved on the screw and meshed with the driving bevel gear.

Preferably, the outer surface of the telescopic rod is symmetrically provided with guide blocks, the inner wall of the sliding hole in the sleeve rod is symmetrically provided with guide grooves, and the guide blocks are slidably embedded in the guide grooves.

Preferably, a jack matched with the loop bar is formed in the handle, a dovetail groove is formed in the inner wall of the jack, a dovetail block is arranged on the outer surface of the loop bar, and the dovetail block can be slidably embedded in the dovetail groove.

Preferably, a plurality of positioning holes are formed in the loop bar at equal intervals, positioning bolts are rotatably mounted on the handle, and the positioning bolts can be inserted into the positioning holes.

Preferably, the telescopic rod is located the external one end of loop bar and has seted up the screw thread groove, the scraper includes blade and inserted bar, the blade is connected in the one end of inserted bar, the other end of inserted bar passes through screw thread fit cartridge in the screw thread groove.

Compared with the prior art, the utility model has the following advantages:

according to the utility model, the telescopic connecting rod is additionally arranged on the basis of the handle, on one hand, the length of the telescopic connecting rod can be adjusted by connecting the telescopic connecting rod with the handle, and meanwhile, the connecting position between the telescopic connecting rod and the handle can be also adjusted, so that a user can conveniently install and adjust the telescopic connecting rod according to actual demands, and the whole length of the cell scraper is changed, so that the telescopic scraper is more handy to use.

The utility model is described in further detail below with reference to the drawings and examples.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view of the telescopic connecting rod structure of the present utility model.

Figure 3 is a schematic cross-sectional view of the telescopic connection assembly of the present utility model.

FIG. 4 is a schematic cross-sectional view of the handle and loop bar assembly of the present utility model.

Reference numerals illustrate:

1-a handle; 2-a telescopic connecting rod; 3-scraping knife; 4-loop bar; 5-screw; 6-a telescopic rod; 7-sliding holes;

8-a transmission helical gear; 9-driving a bevel gear; 10-driving shaft; 11-a knob; 12-a guide block; 13-a guide groove; 14-jacks; 15-a dovetail groove; 16-dovetail block; 17-positioning holes; 18-positioning bolts; 19-thread groove-; 20-blades; 21-insert rod.

Detailed Description

As shown in fig. 1 to 4, the utility model provides a portable cell scraper with adjustable length, which comprises a handle 1, a telescopic connecting rod 2 and a scraper 3, wherein the telescopic connecting rod 2 comprises a sleeve rod 4, a screw rod 5 and a telescopic rod 6, the sleeve rod 4 is inserted into the handle 1, a sliding hole 7 is formed in the sleeve rod 4, the screw rod 5 is rotationally inserted into the sliding hole 7, the telescopic rod 6 is slidingly inserted into the sliding hole 7 and sleeved on the screw rod 5 through threaded fit, the scraper 3 is connected onto the telescopic rod 6, a telescopic driving structure is arranged in the sleeve rod 4 and is used for driving the screw rod 5 to rotate and drive the telescopic rod 6 to slide in the sliding hole 7 through threaded fit, and then the whole length of the cell scraper is changed.

Specifically, in the utility model, the telescopic driving structure comprises a transmission bevel gear 8, a driving bevel gear 9, a driving shaft 10 and a knob 11, wherein the driving shaft 10 is rotatably inserted on the loop bar 4, the knob 11 is fixedly connected to one end of the driving shaft 10, which is positioned outside the loop bar 4, the driving bevel gear 9 is sleeved on the other end of the driving shaft 10, and the transmission bevel gear 8 is sleeved on the screw 5 and meshed with the driving bevel gear 9.

When the user drives the drive shaft 10 to rotate through the rotation, because the drive helical gear 9 suit is on drive shaft 10, consequently drive helical gear 9 can follow drive shaft 10 and rotate, and drive helical gear 8 meshes with drive helical gear 9 and the suit is on screw rod 5, consequently drive helical gear 9 can drive screw rod 5 in step and rotate, again because telescopic link 6 establishes on screw rod 5 and slide cartridge in slide hole 7 through the screw-thread fit cover, so screw rod 5 can drive telescopic link 6 and slide along its axis when rotating.

Specifically, in the utility model, the outer surface of the telescopic rod 6 is symmetrically provided with the guide blocks 12, the inner wall of the sliding hole 7 in the sleeve rod 4 is symmetrically provided with the guide grooves 13, and the guide blocks 12 are slidably embedded in the guide grooves 13.

The cooperation of guide slot 13 and guide block 12 can restrict the degree of freedom of telescopic link 6 on the one hand for telescopic link 6 can only slide in slide hole 7 and can not rotate, and on the other hand also can guide the slip of telescopic link 6, avoids telescopic link 6 to take place the skew at the slip in-process.

Specifically, in the utility model, a jack 14 matched with a loop bar 4 is arranged in a handle 1, a dovetail groove 15 is arranged on the inner wall of the jack 14, a dovetail block 16 is arranged on the outer surface of the loop bar 4, the dovetail block 16 can be slidably embedded in the dovetail groove 15, a plurality of positioning holes 17 are equidistantly arranged on the loop bar 4, a positioning bolt 18 is rotatably arranged on the handle 1, and the positioning bolt 18 can be inserted into the positioning holes 17.

The cooperation of dovetail piece 16 and dovetail 15 can fix a position loop bar 4 and handle 1 on the one hand, and the installation of conveniently connecting on the other hand can lead loop bar 4. When the loop bar 4 is installed on the handle 1, the dovetail block 16 on the loop bar 4 is aligned with the dovetail groove 15 on the handle 1, then the loop bar 4 is inserted into the insertion hole 14 of the handle 1, after the loop bar is inserted to a proper depth, the positioning bolt 18 on the handle 1 is screwed down, and the positioning bolt 18 is inserted into the positioning hole 17 opposite to the loop bar 4, so that the loop bar 4 can be fixed.

Specifically, in the utility model, a thread groove 19 is formed in one end of the telescopic rod 6, which is positioned outside the loop rod 4, the scraper 3 comprises a blade 20 and an inserting rod 21, the blade 20 is connected to one end of the inserting rod 21, and the other end of the inserting rod 21 is inserted into the thread groove 19 through threaded fit. The user can select the scraper 3 of different specifications of different grade types according to the actual use demand, and during the installation, with the inserted bar 21 of scraper 3 screw into the screw thread groove 19 on the telescopic link 6 through screw-thread fit can.

In summary, the overall installation process of the cell scraper includes that after the dovetail block 16 on the loop bar 4 is aligned with the dovetail groove 16 on the handle 1, the loop bar 4 is inserted into the insertion hole 14 on the handle 1 to a proper depth, the positioning bolt 18 on the handle 1 is screwed, then the insertion bar 21 of the scraper 3 is screwed into the thread groove 19 on the telescopic bar 6, and then the knob 11 on the loop bar 4 can be rotated according to actual use requirements to drive the screw 5 to rotate, so that the telescopic bar 6 slides relative to the loop bar 4, and the overall length of the cell scraper is changed, thereby facilitating the operation of a user.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model. Any simple modification, variation and equivalent variation of the above embodiments according to the technical substance of the utility model still fall within the scope of the technical solution of the utility model.

Claims

1. A portable cell scraper of adjustable length, its characterized in that: including handle, flexible connecting rod and scraper, flexible connecting rod includes loop bar, screw rod and telescopic link, the loop bar cartridge is in the handle, the slide hole has been seted up in the loop bar, the screw rod rotates the cartridge in the slide hole, flexible rod slip cartridge is in the slide hole and locates on the screw rod through screw-thread fit cover, the scraper is connected on the telescopic link, flexible drive structure is equipped with in the loop bar.

2. The portable, adjustable length cell scraper of claim 1, wherein: the telescopic driving structure comprises a transmission bevel gear, a driving shaft and a knob, wherein the driving shaft is rotatably inserted on the loop bar, the knob is fixedly connected to one end of the driving shaft, which is positioned outside the loop bar, the driving bevel gear is sleeved at the other end of the driving shaft, and the transmission bevel gear is sleeved on the screw and meshed with the driving bevel gear.

3. The portable, adjustable length cell scraper of claim 1, wherein: guide blocks are symmetrically arranged on the outer surface of the telescopic rod, guide grooves are symmetrically formed in the inner wall of the sliding hole in the loop rod, and the guide blocks are slidably embedded in the guide grooves.

4. The portable, adjustable length cell scraper of claim 1, wherein: the handle is provided with a jack matched with the loop bar, the inner wall of the jack is provided with a dovetail groove, the outer surface of the loop bar is provided with a dovetail block, and the dovetail block can be slidably embedded in the dovetail groove.

5. The portable, adjustable length cell scraper of claim 4, wherein: a plurality of locating holes are formed in the loop bar at equal intervals, locating bolts are rotatably arranged on the handle, and the locating bolts can be inserted into the locating holes.

6. The portable, adjustable length cell scraper of claim 1, wherein: the telescopic rod is located the external one end of loop bar and has seted up the screw thread groove, the scraper includes blade and inserted bar, the blade is connected in the one end of inserted bar, the other end of inserted bar passes through screw thread cooperation cartridge in the screw thread groove.