CN112569003B

CN112569003B - Sharp instrument receiver with automatic cutout function

Info

Publication number: CN112569003B
Application number: CN202011430723.7A
Authority: CN
Inventors: 翟晨岚; 史敬敬
Original assignee: Individual
Current assignee: Zhai Chenlan
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2022-03-22
Anticipated expiration: 2040-12-09
Also published as: CN112569003A

Abstract

The invention discloses a sharp instrument storage box with an automatic cutting function, which comprises a cup body, a cup cover and an auxiliary cover, wherein the cup cover is arranged above the cup body, the auxiliary cover is arranged above the cup cover through a rotating shaft, the rotating shaft is positioned at the central positions of the cup cover and the auxiliary cover, the auxiliary cover rotates on the cup cover by taking the rotating shaft as the center, one sides of the cup cover and the auxiliary cover are provided with corresponding openings, and the openings are exposed and closed through the relative rotation of the cup cover and the auxiliary cover. The cutting device is arranged in the box cover, so that the problem of falling off after long-term use is avoided, the box cover can be randomly replaced on a box body with the same size, the box body can be replaced for reuse when the box is full, and the cutting device is economical and environment-friendly. Particularly, the electric cutting mode is adopted, manual cutting is not needed, the problem that cutting is difficult due to insufficient strength can be effectively solved, and time and labor are saved when the electric cutting machine is rapidly stored.

Description

Sharp instrument receiver with automatic cutout function

Technical Field

The invention belongs to a tool box for containing in the field of medical care, and particularly relates to a sharp instrument containing box with an automatic cutting function.

Background

According to the clinical medical operating specification, sharp instruments used in clinic, such as infusion needles, blood taking needles and the like, must be placed in a sharp instrument box of a special medical waste sharp instrument box and treated according to medical waste to prevent puncture and cross infection. The tradition is to utilize the scissors to cut the syringe needle down and fall into sharp machine box, and scissors has injury risk as sharp ware under this condition equally, can receive medical contamination equally when using the scissors to cut the syringe needle and have safe risk, and the scissors exists as independent article simultaneously and drops and the problem of losing.

Patent publication No. CN205086054U discloses a sharp instrument storage box with cutting device is through setting up cutting device on sharp instrument storage box lid to set up on this cutting device and press handle, cutting portion and spring part, adopt the mode of manual pressure to come cutting needle etc.. This patent no longer relies on extra cutting means such as scissors when cutting apart the syringe needle, has avoided the problem that traditional mode exists.

However, while solving the above problems, the patent also has the problems that the width between the cutting edge and the knife groove of the cutting device is limited, a large needle can not be cut, and the cutting device is positioned above the main cover and is easy to fall off after long-term use. Especially, women nurses in hospitals are more, and the patent requires great strength for pure manual cutting, so that the use is not convenient enough.

Disclosure of Invention

Aiming at the problems in the existing sharp instrument storage process and the defects of a sharp instrument storage box, the sharp instrument storage box with the automatic cutting function is provided, the cutting-off action can be automatically started only by inserting the needle head part into the corresponding hole, the sharp instrument storage box can be operated by one hand, and the sharp instrument storage box is simple and convenient and has a good using effect.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a sharp ware receiver with automatic cutout function, includes cup, main lid and vice lid, and cup top installation main lid, main lid top are through the vice lid of pivot installation, and the pivot is in the central point that main lid and vice lid put, and vice lid uses the pivot to rotate on main lid as the center, and one side of main lid and vice lid has the opening that corresponds, thereby exposes and closes the two opening through main lid and vice lid relative rotation.

The main cover comprises a motor, a chassis, a pinion, a gearwheel, a gradually-widening arc cutter and a spring clamping seat, the chassis made of hard materials is arranged in the center of the main cover, the chassis is preferably made of aluminum alloy materials, the weight is light, the hardness is high, the chassis is fixed, the gearwheel is arranged in the center of the chassis through a rotating shaft, the motor is arranged beside the gearwheel, the motor is fixedly arranged on the chassis, a track hole is reserved for the motor by the auxiliary cover to facilitate the rotation of the auxiliary cover, the pinion is arranged on the rotating shaft of the motor and is connected with the gearwheel, the torque of the gearwheel is increased by the pinion, the rotating force of the gearwheel is improved, the cutting force is improved, the spring clamping seat is arranged on the outer side wall of an opening of the main cover, the spring clamping seat and the chassis are in a horizontal position, a gap is reserved between the spring clamping seat and the edge of the chassis, a sharp device to be accommodated is inserted through the gap, a trigger switch is arranged at the bottom of the clamping seat, and the motor is triggered to operate when the spring clamping seat is compressed, the edge of the big gear is provided with a gradually-widening arc-shaped cutter, the cutter passes through the upper part of the opening of the main cover along the direction from the narrow end to the wide end when rotating, and the outer edge of the wide end of the cutter can be overlapped with the outer edge of the opening of the main cover. The wide end of the cutter is externally provided with a top seat, and the top seat jacks the spring clamping seat when the wide end passes through the spring clamping seat, so that the sharp device after cutting automatically drops into the storage box.

Further, the main cover also comprises a positive and negative limit sensor, the positive and negative limit position sensor is arranged on a chassis outside the large gear to control the motor to rotate and stop, and when the cutter blocks the positive limit sensor, the motor rotates and resets; when the cutter blocks the inverse limit sensor, the motor stops rotating.

Further, the separation blade that can shelter from positive extreme position sensor is installed at the nearer suitable position apart from gradually wide formula arc cutterbar narrow end to the gear wheel, avoids gradually wide formula arc cutterbar narrow end can't shelter from the sensor for gradually wide formula arc cutterbar is rotatory excessively.

Furthermore, the base plate and the spring clamping seat are provided with grooves at corresponding positions, so that the spring clamping seat can be clamped more stably after the sharp instrument is inserted.

Furthermore, the main upper cover layer is provided with a shielding plate, the whole cutting module is covered inside the main cover, the influence of exposure of gears on use is avoided, and the service life of the cutting device is prolonged.

The invention has the beneficial effects that:

according to the invention, the motor and the spiral cutter are additionally arranged in the sharp instrument storage box, and the press-touch switch component is arranged at the inlet position, so that the function of automatic cutting can be realized. Not only avoided the tradition to use various problems that exist when external cutting tools such as scissors, used gradually wide formula arc cutterbar simultaneously and can effectively cut medical waste such as comparatively wide syringe needle, the practicality is more extensive. The cutting device is arranged in the box cover, so that the problem of falling off after long-term use is avoided, the box cover can be randomly replaced on a box body with the same size, the box body can be replaced for reuse when the box is full, and the cutting device is economical and environment-friendly. Particularly, the invention adopts an electric cutting mode, does not need manual cutting, can effectively avoid the problem of difficult cutting due to insufficient strength, achieves quick storage, saves time and labor, and is particularly suitable for frequent cutting operation.

Drawings

Figure 1 is a side view of the sharps container of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a plan view showing the main lid with the auxiliary lid removed.

Fig. 4 is a rear view of the main cover.

Fig. 5 is one of the schematic views of the mounting of the helical saw blade in the main cover.

Fig. 6 is a block diagram of the helical saw blade of fig. 5.

Fig. 7 is a schematic view of the inside arrangement of the electric appliance cover at the rear side of the main cover.

Fig. 8 is a circuit diagram of fig. 7.

Fig. 9 is a partially enlarged structural view of the elastic pressing member of fig. 5.

Fig. 10 is a schematic view of the cross-sectional structure a-a in fig. 9.

FIG. 11 is a second schematic view of the mounting of the helical saw blade in the main cover.

Fig. 12 is a schematic view of a needle advancing mechanism.

Fig. 13 is a view showing a state of use of the sharps container attached to the holder.

Reference numbers in the figures: the device comprises a box body 1, a main cover 2, an auxiliary cover 3, an auxiliary cover flat hole 4, a main cover flat hole 5, an elastic pressing part 6, a flat groove 7, a pressure spring 8, a spring seat 9, a sliding rail 10, a sliding block 11, a saw disc body 12, a spiral saw 13, a saw disc shaft hole 14, an electric appliance cover 15, a motor 16, a battery 17, a press contact switch 18, a circular ring wall 19, a needle seat joint 20, a handle 21, a motor installation hole 22, a motor shaft through hole 23, a push-pull rod 24, a driving wheel shaft frame 25, a driven wheel shaft frame 26, a V-shaped roller 27, a hoop 28, a rotating shaft 29, a pin shaft 30, a connecting seat 31, a pull rod 32 and a fixed seat 33.

Detailed Description

Aiming at the problems that the existing sharps storage box is inconvenient to use due to the fact that a manual cutting mode is generally adopted and an effective scheme of an electric cutting storage box is lacked, the sharp instrument storage box is further explained with reference to the attached drawings and the embodiment.

Example 1: a sharps container shown in fig. 1 is used, and a screw cutter mounted therein can automatically cut a needle portion according to an operation, and the appearance of the container is shown in fig. 1 and 2. As can be seen from the figure, the main parts of the utility model comprise a cup body 1 for containing the sharps, a main cover 2 fixedly sleeved on the upper part of the cup body 1, and an auxiliary cover 3 which is sleeved on the outer side of the main cover 2 and can rotate but can not be separated, and the utility model has the function equal to the existing storage box. However, in the present embodiment, as can be seen from fig. 2 and 3, the main lid 2 and the sub lid 3 are respectively provided with flattened through holes, i.e., a sub flat-lid hole 4 and a main flat-lid hole 5.

Specifically, when the sub-cover 3 is removed from the main cover 2, as shown in fig. 3, the main cover 2 includes a bottom plate having a motor mounting hole 22 and a motor shaft through hole 23 at the center and an upper circular wall 19. Thus, a closed sandwich cavity is formed between the main cap and the auxiliary cap, in which the screw tool is located, which sandwich cavity is relatively shallow as can be seen from fig. 1. As can be seen from fig. 4, an electrical cover 15 is fixed to the underside of the main cover 2, which can enclose the electric motor 16, so that a further enclosed sandwich chamber is formed in the electrical cover, which is used for mounting electrical components, and which is thicker and taller as can be seen from fig. 1. Meanwhile, a battery can be further installed in the electrical appliance cover 15 as shown in fig. 7, and is used for supplying power to the motor, and when the storage battery is installed, the storage battery in the storage box can be charged in a charging mode. As can be seen from fig. 7, the motor 16 is mounted below the bottom plate, and the rotating shaft of the motor penetrates through the bottom plate of the main cover and is positioned at the center of the circular wall 19.

As can be seen from the figures 5 and 6, the motor shaft is provided with the spiral saw blade, the saw disc shaft hole 14 at the center of the saw blade is internally provided with a convex key, the motor shaft is connected with a section of screw rod which is provided with a key slot, the key in the saw disc shaft hole 14 is clamped in the key slot, and the screw rod is vertically connected with a nut to clamp and fix the spiral saw blade. The upper end of motor shaft can also continue to be in the same place with the axle hole suit that vice lid center set up to improve the stability of pivot, each axle hole region sets up thickness and is greater than the periphery, can suit extra axle sleeve in each axle hole in order to improve the lubricity, after helical saw blade is by corresponding axle hole fixed mounting, helical saw blade is by the clamping in the middle part in intermediate layer chamber, there is the fit clearance between helical saw blade's upper and lower all and corresponding bottom plate promptly, the great part of helical saw blade radius can be followed the transverse trough 7 and passed. As can be seen from fig. 6, the helical saw blade includes a saw body 12 and a helical saw 13, the helical saw 13 is fixed to the peripheral edge of the saw body 12, and the two are combined and fixed to form the helical saw blade. The center of the spiral saw blade is provided with a saw disc shaft hole 14 for fixing the motor rotating shaft.

As can be seen from fig. 5, the through hole at one side of the main cover is a flat hole along the radial direction, the minimum radius of the spiral saw blade is smaller than the radius of the inner end of the flat hole of the main cover, and the maximum radius of the spiral saw blade is larger than the radius of the inner end of the flat hole of the main cover, so that when the needle passes through the inner end of the flat hole, the maximum radius of the spiral saw blade can exceed the outer side of the needle, so as to cut the needle. An elastic pressing part 6 is sleeved in the flat hole 5 of the main cover for compressing the needle head seat towards the inner end of the flat hole, and a press-touch switch 18 is arranged below the main cover at the inner end of the flat hole, wherein the press-touch switch 18 is used as an on-off switch of a motor 16.

As shown in figures 9 and 10, a rear side pressure spring 8 of the elastic pressing part 6 is designed to be connected with a spring seat 9 at the outer end of the main cover flat hole 5, the front side of the elastic pressing part 6 is provided with a concave arc approximately matched with the shape of the needle seat, the middle part of the front side of the concave arc is provided with a flat groove 7, and the spiral saw blade can deeply penetrate into the flat groove 7. Furthermore, slide rails 10 are arranged on two sides of the main flat cover hole 5, slide blocks 11 are arranged on two sides of the elastic pressing part 6, and the slide blocks 11 are clamped in the slide rails 10 and can slide in parallel.

The storage box is very convenient to use, and the needle head can be cut off by automatically starting the spiral saw blade only by inserting the needle head into the auxiliary flat cover hole 4 and the main flat cover hole 5 by holding the needle tube with one hand. Specifically, after the needle head part is inserted into two flat holes, the press-touch switch 18 is triggered simultaneously, so that the motor starts to work, the simplest circuit diagram is shown in fig. 8, the motor rotating shaft drives the spiral saw blade to rotate clockwise, the short-diameter part of the spiral saw blade firstly enters into the cutting, the cutting depth of the spiral saw blade is gradually increased along with continuous rotation, the needle head part is cut off after the spiral cutter rotates for a circle, the needle head part drops in the box body after the cutting, the press-touch switch is not triggered any more, the motor stops rotating at the moment, and the spiral saw blade becomes an initial state. Because this embodiment has adopted elasticity to compress tightly part 6 simultaneously for when utilizing helical saw blade cutting needle position, have certain cushioning nature, prevent to cause helical saw blade pressure too big and warp or rotate the card and die, and prevent that the needle part from causing the flat hole inner wall impaired because of thrust is too big. The presence of the elastic pressing means 6 also allows the helical saw blade to rotate several turns until the needle portion is finally cut (when the helical saw blade is damaged or worn out by long-term use, it may cause a problem that the needle portion cannot be completely cut by one turn).

Compare this embodiment and another patent application of inventor "electronic sharp weapon receiver", can see that this scheme structure is simplified and is optimized, and it is more simple and convenient to operate, and the fault rate is low, cuts off the reliability height, and the result of use is better.

Example 2: on the basis of embodiment 1, the main flat-covering hole 5 can be distributed along the tangential direction or the approximate tangential direction of the spiral saw blade besides being distributed along the radial direction, and after the spiral baffle rotates, the needle head seat and the elastic pressing component can be pressed to properly slide in the main flat-covering hole 5.

Example 3: in the embodiment 1, the elastic pressing member 6 is configured as shown in fig. 11, a push-pull rod 24 is connected to the rear side of the elastic pressing member 6, the push-pull rod 24 penetrates the outer side of the circular wall 19 of the main lid and is connected with a handle 21, and the position of the elastic pressing member 6 in the side groove can be changed by pulling the handle 21 outward, so that the gap of the insertion hole can be changed. This scheme is fit for artifical control needle insertion depth, for example with the complete back of inserting receiver of whole needle seat, release handle 21, make elastic compaction part 6 centre gripping needle connecting tube part, and then trigger the pressure and touch switch 18 and rotate with the starter motor.

Example 4: the needle is further supplemented based on the embodiment 1, a pair of V-shaped rollers 27 is arranged on the upper side or the lower side of the secondary cover flat hole 4 through a bracket, namely a V-shaped ring groove is arranged in the middle of each roller, the needle head part is inserted into a V-shaped ring groove combination channel between the two rollers, and as shown in figure 12, the needle head part is continuously pressed to move downwards, so that the needle head part can be kept to move vertically downwards. If the driving mechanism is arranged on the V-shaped roller, the driving clamping needle head part can be promoted to move downwards and rotate reversely after being cut off, and the V-shaped roller clamping mechanism can be started to work through infrared induction. When the V-shaped rollers are designed to be a driving roller and a driven roller, the shaft bracket 25 of the driving roller is fixed on the auxiliary cover, the shaft bracket 26 of the driven roller is hinged with the auxiliary cover through a pin shaft, and a torsional spring is arranged at the hinged part so that the two V-shaped rollers are close to each other.

Example 5: further supplement on

embodiment

1 or 4 basis, design a mount and be used for fixed receiver, this mount is fixed in the desktop position of being convenient for through clamping part, clamping part includes the joint position by two fixed plates, has fit clearance between two fixed plates, and a fly leaf is installed to fit clearance in, and a screw rod is connected through rotary part to the fly leaf rear side, and screw thread connection is in the screw at corresponding fixed plate center simultaneously to this screw rod, rotates the screw rod and can control the fly leaf and press from both sides tight degree to be fixed in the desktop edge with this mount. Still include a clamp 28 that is used for fixed suit receiver, as shown in fig. 13, the both sides of clamp articulate the mount upside through pivot 29, and the rear side middle part connecting seat 31 of clamp articulates through round pin axle 30 has a length pull rod 32 that can stretch out and draw back and adjust, and the lower extreme of this pull rod passes through round pin hub connection in fixing base 33, and the fixing base is installed on the mount, after adjusting this pull rod length, can change the swing angle of receiver, expects to reach best operation angular position.

In the embodiment, the spiral cutter is a spiral blade, or the spiral blade and the spiral saw blade are alternately distributed.

Furthermore, it should be understood that although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is merely for clarity, and those skilled in the art should take the description as a whole, and the embodiments may be combined as appropriate to form other embodiments that those skilled in the art can understand, for example, the helical saw blade used may not only be a one-piece structure, i.e., the edge of the whole saw blade has helical teeth or helical blades, but also no composite structure; the spiral saw blade may also be a combination of a plurality of spiral saw blades, for example, a plurality of spiral saw blades are fixed to the circumferential edge of the same saw blade body 12, or a composite structure of alternately fixing the spiral saw blades and the spiral saw blades; furthermore, the periphery of the saw disc body is provided with an annular groove for clamping the spiral cutter, or the spiral cutter is clamped at a convenient position between the box bodies after the two saw disc bodies are combined. Or a gear box is arranged in the electrical appliance box, after the rotating shaft of the motor is decelerated by the gear box, the output shaft extends into the upper side of the main cover and is provided with a spiral cutter. And arranging a mark on the spiral cutter, installing a position sensor and the like for detecting the mark on the inner side of the main cover to determine the starting and stopping positions and the number of rotation turns of the spiral cutter, replacing the press contact switch by a pressure sensor or a proximity switch to provide a starting signal, transmitting the starting signal to the signal input end of the controller, driving the motor to rotate by the control end of the controller, and controlling the motor to stop according to the signal of the position sensor to ensure that the spiral cutter stops at a proper angular position. A time delay function can also be inserted, namely the motor is started to rotate one second after the starting signal is triggered so as to ensure that the needle head part is inserted in place. In order to facilitate the alignment of the jacks and the convenient insertion, a conical guide cover part can be additionally arranged on the upper side of the inlet of the auxiliary flat cover hole so as to increase the convenience of operation.

Claims

1. A sharp instrument storage box with an automatic cutting function comprises a box body (1) for containing sharp instruments, a main cover (2) fixedly sleeved on the upper part of the box body (1), and an auxiliary cover (3) sleeved on the outer side of the main cover (2) and capable of rotating but not separating, wherein the main cover (2) and the auxiliary cover (3) are respectively provided with a through hole,

the main cover (2) comprises a bottom plate and a circular wall (19) on the upper side, a motor (16) is arranged below the bottom plate, a motor rotating shaft penetrates through the bottom plate of the main cover and then is positioned in the center of the circular wall (19), and a spiral cutting blade is arranged on the motor rotating shaft; the through hole at one side of the main cover is a flat hole, and the minimum radius of the spiral cutting blade is smaller than the radius of the inner end of the flat hole of the main cover; the maximum radius of the spiral cutting piece is larger than the radius of the inner end of the flat hole of the main cover, so that when the needle head penetrates through the inner end of the flat hole on one side of the main cover, the maximum radius of the spiral cutting piece can exceed the outer side of the needle head;

an elastic pressing part (6) is sleeved in the flat hole (5) of the main cover and used for pressing the needle head seat or the needle head connecting pipe to the inner end of the flat hole, meanwhile, a press-touch switch (18) is arranged below the main cover positioned at the inner end of the flat hole or above the spiral cutting piece, and the press-touch switch (18) is used as an on-off switch of the motor (16);

the motor shaft drives the spiral cutting piece to rotate clockwise, the short-diameter part of the spiral cutting piece firstly enters into cutting, the cutting depth of the spiral cutting piece is gradually increased along with continuous rotation, the needle head part is cut off after the spiral cutting piece rotates for a circle, the needle head part drops in the box body after the cutting is finished and is separated from the pressure contact switch, the motor stops rotating at the moment, and the spiral cutting piece becomes an initial state.

2. A sharps container as claimed in claim 1 wherein said spiral cutting blade comprises a body (12) and a spiral saw (13), said spiral saw (13) being fixed to the peripheral edge of said body (12), said spiral cutting blade having a central body bore (14) for attachment to the motor shaft.

3. A sharps container as claimed in claim 1, wherein the rear side pressure spring (8) of the elastic pressing part (6) is connected in a spring seat (9) at the outer end of the main flat cover hole (5), the front side of the elastic pressing part (6) is provided with a concave arc approximately matched with the shape of the needle seat, the middle part of the front side of the concave arc is provided with a flat groove (7) which is transversely concave, and the spiral cutting blade can deeply penetrate into the flat groove (7) when rotating.

4. A sharps container as claimed in claim 3, wherein slide rails (10) are arranged on both sides of the main flat cover hole (5), slide blocks (11) are arranged on both sides of the elastic pressing part (6), and the slide blocks (11) are clamped in the slide rails (10) to be capable of sliding in parallel.

5. A sharps container according to claim 1 wherein an electric motor cover (15) is secured to the rear side of the main cover (2) to enclose the electric motor (16), and a battery is mounted in the electric motor cover (15) for supplying power to the electric motor, whereby when the battery is installed, the battery is recharged in the container.