CN112826538A

CN112826538A - Sectional type urine sampling device that medical science inspection is suitable for

Info

Publication number: CN112826538A
Application number: CN202011583772.4A
Authority: CN
Inventors: 张伟红
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-05-25
Anticipated expiration: 2040-12-28
Also published as: CN112826538B

Abstract

The invention relates to the technical field of clinical laboratory tools, in particular to a sectional urine sampling device suitable for medical examination, which comprises a box body, a collection funnel, a funnel cover, a collection pipe, a telescopic handle, an adjusting screw rod, a tray, a urine inlet pipe, a sampling cup clamping device and sectional sealing devices, wherein the upper end of the tray is open, the sampling cup clamping device is fixedly connected to two sides of the tray, the sectional sealing devices are fixedly mounted on two sides of the outer wall of the lower end of the urine inlet pipe, and each sectional sealing device comprises a sliding sleeve, a sliding rod, a limiting end cover, a sealing plug, a suspension rod, a buoyancy plate and an elastic bag body. The urine collecting device is reasonable in structural design, the telescopic handle can be held by hand to collect urine far away from the collecting funnel, a plurality of urine collecting cups can be placed on the tray in the box body, the buoyancy plate can be supported when the urine volume reaches a preset volume, so that the urine inlet pipe is blocked by the sealing plug, urine can enter the next urine collecting cup from the liquid distributing pipe, the urine collecting cup at a required section can be selected according to the inspection requirement after the urine is discharged, and the urine collecting device is simple and convenient to use.

Description

Sectional type urine sampling device that medical science inspection is suitable for

Technical Field

The invention relates to the technical field of clinical laboratory appliances, in particular to a sectional type urine sampling device suitable for medical examination.

Background

The urine routine is one of three routine projects in medical inspection, and proteinuria or visible components in urinary sediments can appear in early stage of kidney diseases. It also has important reference value for diagnosing some systemic diseases and diseases affecting urine change by other organs of the body, such as diabetes, hematopathy, liver and gallbladder diseases, epidemic hemorrhagic fever, etc. Meanwhile, the urine test can reflect the treatment effect and prognosis of some diseases. The corresponding disease symptoms can be judged through the examination.

The primary matters of the routine examination and attention of urine are that the urine specimen is kept and taken as fresh morning urine as much as possible, because drinking water at night is less, various components in the urine discharged by the kidney are stored in the bladder and concentrated, the urine is easy to find, the positive detection rate is improved, and other urine which is randomly kept and taken can be kept and the midstream urine is better. The existing urine taking container is mostly an open urine taking cup, urine is easy to be urinated on hand when urine is taken by hand, the capacity of the urine taking cup is limited, the urine usually stretches into the sample in the process of sampling, the urine easily urinates on the outer wall of the cup and splashes everywhere, so that the urine taking cup is very inconvenient, and middle-section urine is not easy to control.

In summary, the present technical solution provides a sectional urine sampling device suitable for medical examination to solve the above technical problems.

Disclosure of Invention

The present invention is directed to overcoming the above-mentioned disadvantages and providing a segmented urine sampling device suitable for medical testing. The collection funnel can be kept away from to handheld flexible handle and urine is got, urine is to hand when can avoiding the sample, can put into the tray in the box body with a plurality of urine cups of getting on, can adjust the height of getting the urine cup according to the sample needs, can hold up the buoyancy board when the urine volume reachs the predetermined amount, thereby make the sealing plug up the urine pipe of will advancing, the urine can get into next urine cup of getting from dividing the liquid pipe, incessant segmentation sample in the time of can urinating, can select the urine cup of getting of required section according to the inspection needs after urinating, high durability and convenient use, the urine splashes to hand when can avoiding the sample.

The technical scheme adopted by the invention for solving the technical problems is as follows: a sectional urine sampling device suitable for medical examination comprises a box body, a collecting funnel, a funnel cover, a collecting pipe, a telescopic handle, an adjusting screw rod, a tray, a urine inlet pipe, a sampling cup clamping device and a sectional sealing device, wherein the collecting funnel is an oval spherical shell, the lower side of the collecting funnel is fixedly communicated with the collecting pipe, the lower end of the collecting pipe is fixedly connected with a catheter in a screwed mode, the upper right side of the collecting funnel is provided with a quarter-volume opening, the edge of the upper side of the opening is hinged and fixed with the funnel cover through a damping hinge, the middle part of the right side of the funnel cover is fixedly connected with a lifting ring, the right side of the collecting pipe is fixedly connected with a hinge column perpendicular to the collecting pipe, the end part of the hinge column is hinged and fixed with the telescopic handle through a hinge shaft, a locking bolt is fixed in the screwed mode at the telescopic part of the telescopic handle, a locking cylinder is slidably connected to an inner rod of, the outer wall of the hinge column is provided with external threads, the locking cylinder is fixed on the hinge column in a screwed manner, the outer wall of the lower end of the collecting pipe at the lower side of the hinge column is fixedly connected with a clamping ring matched with the inner rod of the telescopic handle, the front side opening of the box body and the left end of the opening part of the box body are fixedly hinged with a box cover through a torsional spring hinge, the right side of the outer wall of the box cover is fixedly connected with a handle, the upper end of the outer wall at the left side of the box body is fixedly connected with a placing cylinder, the box body is internally provided with a plurality of clapboards which uniformly divide the interior of the box body into a plurality of inner cavities, the inner wall at the rear side of each inner cavity is provided with a lifting groove, the upper outer wall and the lower outer wall of the box body are respectively embedded and fixedly provided, a rectangular sliding plate is fixedly screwed on the adjusting screw rod, the front end of the sliding plate is fixedly connected with a tray, a urine taking cup is placed on the tray, the upper end opening of the tray is fixedly connected with a sampling cup clamping device on two sides, the sampling cup clamping device comprises a telescopic stay bar, a clamping cylinder, a clamping screw rod, a clamping sheet, a compression spring and a limiting nut, a urine inlet pipe is fixedly connected on the outer wall of the upper side of the box body at the front side of the adjusting screw rod, a pipe cover is fixedly screwed on the upper end of the urine inlet pipe, a connecting rope is fixedly connected between the outer wall of the lower end of the urine inlet pipe and the outer wall of the pipe cover, an internal thread is arranged on the inner wall of the lower end of the urine inlet pipe and matched with an external thread at the upper end of the urine inlet pipe, liquid distributing pipes are fixedly communicated on the outer wall of one side opposite to two adjacent urine inlet pipes in the, two ends of the liquid guide pipe are fixed on the two opposite liquid distribution pipes in a threaded manner, sectional sealing devices are fixedly mounted on two sides of the outer wall of the lower end of the urine inlet pipe, and each sectional sealing device comprises a sliding sleeve, a sliding rod, a limiting end cover, a sealing plug, a suspension rod, a buoyancy plate and an elastic bag body.

Furthermore, the number of the partition plates is three, the interior of the box body is divided into four inner cavities, and the lifting handle is fixedly connected to the rear end of the top surface of the box body.

Further, the upper end both sides dish limit department fixedly connected with telescopic stay bar of tray, telescopic stay bar's flexible department spiro union is fixed with fixing bolt, the equal fixedly connected with in upper end of telescopic stay bar has a clamping cylinder rather than the vertically, and it has the clamping screw to slide in the clamping cylinder to peg graft, the curved holding piece of right-hand member fixedly connected with of clamping screw, fixed cover has compression spring on the clamping screw between clamping cylinder and the holding piece, the spiro union is fixed with stop nut on the clamping screw in the clamping cylinder outside.

Further, the lower extreme outer wall both sides fixedly connected with sliding sleeve of urine intaking pipe, the slip is interior to slide to peg graft and is had the slide bar, the upper end spiro union of slide bar is fixed with spacing end cover, fixedly connected with sealing plug between the lower extreme of two slide bars, the bottom surface middle part fixedly connected with of sealing plug hangs the pole, the elastic utricule of fixedly connected with hemisphere shape on the top surface of buoyancy board, the upper end middle part fixed connection of elastic utricule hangs the lower extreme of pole, and the buoyancy board activity is placed in getting the urine cup.

Furthermore, the box body, the box cover, the collecting funnel, the funnel cover and the urine taking cup are all made of transparent PVC materials.

Furthermore, a layer of rubber pad is fixedly connected to the bottom surface of the inner cavity of the tray, rubber anti-slip lines are fixedly connected to the inner walls of the clamping pieces, and rubber anti-slip blocks are fixedly connected to four corners of the bottom surface of the box body.

The invention has the beneficial effects that: the urine collecting device is reasonable in structural design, the telescopic handle can be held by hand to collect urine far away from the collecting funnel, the urine can be prevented from being collected on the hand during sampling, the urine collecting cups can be placed on the tray in the box body, the height of the urine collecting cups can be adjusted according to sampling requirements, the buoyancy plate can be lifted when the urine amount reaches a preset amount, so that the urine inlet pipe is blocked by the sealing plug, urine can enter the next urine collecting cup from the liquid distributing pipe, the urine can be continuously sampled in a segmented mode during urination, the urine collecting cup in a required segment can be selected according to inspection requirements after the urine is urinated, the urine collecting device is simple and convenient to use, and the urine can be prevented from splashing on the hand during sampling.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of a connection structure among a collection funnel, a funnel cover, a collection pipe and a telescopic handle.

FIG. 3 is a schematic view of the connection structure among the box body, the adjusting screw, the sliding plate and the tray.

FIG. 4 is a schematic view of a connection structure of an adjusting screw and a box body of the invention.

FIG. 5 is a schematic structural view of a sampling cup holding device of the present invention.

FIG. 6 is a schematic view of a connection structure of a clamping piece and a clamping screw according to the present invention.

FIG. 7 is a schematic view of the connection structure of the box body, the urine inlet tube and the sectional sealing device of the present invention.

FIG. 8 is a schematic view of the connection structure of the urine inlet tube and the sectional sealing device of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in detail below with reference to fig. 1 to 8.

As shown in fig. 1 to 8, the urine sampling device comprises a box body 1, a collecting funnel 17, a funnel cover 18, a collecting pipe 13, a telescopic handle 15, an adjusting screw 5, a tray 26, a urine inlet pipe 8, a sampling cup clamping device and a segmented sealing device, wherein the collecting funnel 17 is an oval spherical shell, the lower side of the collecting funnel is fixedly communicated with the collecting pipe 13, the lower end of the collecting pipe 13 is fixedly connected with a catheter 12 in a threaded manner, the upper end of the catheter 12 can also be connected with a discharge pipe end of a patient who inserts the urine pipe for facilitating collection and sampling of the patient who inserts the urine pipe, the upper right side of the collecting funnel 17 is provided with a quarter-volume opening, the upper side edge of the opening is fixedly hinged with the funnel cover 18 through a damping hinge 21, the middle part of the right side of the funnel cover 18 is fixedly connected with a lifting ring 20, the funnel cover 18 can be used for urine taking operation after being opened, the right side of the collecting pipe 13 is fixedly connected, the flexible department spiro union of flexible handle 15 is fixed with locking bolt 16, sliding connection has a locking section of thick bamboo 14 on the interior pole of flexible handle 15, and the inner chamber of locking section of thick bamboo 14 is T shape and is equipped with the internal thread on its left side cavity inner wall, be equipped with the external screw thread on the outer wall of hinge post 22, locking section of thick bamboo 14 spiro union is fixed on hinge post 22, fixedly connected with on the lower extreme outer wall of collecting pipe 13 of hinge post 22 downside and the interior pole assorted joint ring 19 of flexible handle 15, during the use, set up flexible handle 15 rotation, can through locking section of thick bamboo 14 and hinge post 22 spiro union with flexible handle 15 and collecting pipe 13 vertical fixation, the handheld sample of being convenient for, when not the use, can loosen locking section of thick bamboo 14 with flexible handle 15 rotation downwards block in the joint ring 19, then can insert the lower extreme of flexible handle 15 and place a section of thick bamboo 11, be convenient for store and place collecting funnel 17, the front side opening of box body 1 and its opening part left end are articulated through torsional spring, the right side of the outer wall of the box cover 2 is fixedly connected with a handle 4, the upper end of the outer wall of the left side of the box body 1 is fixedly connected with a placing cylinder 11, the inner part of the box body 1 is provided with a plurality of partition plates 27, the inner part of the box body 1 is uniformly divided into a plurality of inner cavities by the partition plates 27, the inner wall of the rear side of each inner cavity is provided with a lifting groove 25, the upper outer wall and the lower outer wall of the box body 1 are respectively embedded and fixed with an adjusting bearing 23 penetrating through the upper groove wall and the lower groove wall of the lifting groove 25, an adjusting screw rod 5 is fixedly connected between the inner rings of the adjusting bearings 23, the upper end of the adjusting screw rod 5 penetrates through the adjusting bearing 23 on the upper side and then is fixedly connected with an adjusting knob 6, the adjusting screw rod 5 is fixedly connected with a rectangular sliding plate 24 in a screwing way, the front end of the sliding plate 24, the height can be adjusted according to the size of the urine taking cup 37 and the sampling preset amount of each urine taking cup 37, the upper end opening of the tray 26 is fixedly connected with sampling cup clamping devices at two sides, each sampling cup clamping device comprises a telescopic stay bar 29, a clamping cylinder 31, a clamping screw 32, a clamping sheet 34, a compression spring 35 and a limiting nut 33, the urine inlet pipe 8 is fixedly connected on the outer wall of the upper side of the box body 1 at the front side of the adjusting screw 5, the upper end of the urine inlet pipe 8 is fixedly connected with a pipe cover 7 in a screwed mode, a connecting rope 9 is fixedly connected between the outer wall of the lower end of the urine inlet pipe 8 and the outer wall of the pipe cover 7, the inner wall of the lower end of the urine guide 12 is provided with internal threads and matched with the external threads at the upper end of the urine inlet pipe 8, the outer wall of one side, opposite to two adjacent urine inlet pipes 8, in the box body 1 is fixedly communicated, a liquid guide pipe 39 is inserted in the through hole 38, two ends of the liquid guide pipe 39 are screwed and fixed on two opposite liquid distribution pipes 44, and sectional sealing devices are fixedly installed on two sides of the outer wall of the lower end of the urine inlet pipe 8 and comprise a sliding sleeve 46, a sliding rod 45, a limiting end cover 48, a sealing plug 40, a suspension rod 41, a buoyancy plate 43 and an elastic bag body 42.

The number of the partition boards 27 is three, the interior of the box body 1 is divided into four inner cavities, and the lifting handle 10 is fixedly connected to the rear end of the top surface of the box body 1. The handle 10 can be used for hanging the device on a hook during sampling and can also be used for carrying the box body 1.

The tray comprises a tray 26, and is characterized in that telescopic support rods 29 are fixedly connected to the two sides of the upper end of the tray 26, fixing bolts 30 are fixed to the telescopic positions of the telescopic support rods 29 in a threaded mode, the upper end of each telescopic support rod 29 is fixedly connected with a clamping cylinder 31 perpendicular to the telescopic support rods, clamping screws 32 are inserted into the clamping cylinders 31 in a sliding mode, arc-shaped clamping pieces 34 are fixedly connected to the right ends of the clamping screws 32, compression springs 35 are fixedly sleeved on the clamping screws 32 between the clamping cylinders 31 and the clamping pieces 34, and limit nuts 33 are fixedly connected to the clamping screws 32 on the outer sides of the clamping cylinders 31 in a threaded mode. When the limiting nut 33 is rotated and loosened, the clamping piece 34 can clamp the urine taking cup 37 inwards under the action of the compression spring 35, and the clamping tightness of the urine taking cup 37 can be adjusted by rotating the limiting nut 33 to enable the clamping screw rods 32 on the two sides to be far away.

Advance the lower extreme outer wall both sides fixedly connected with sliding sleeve 46 of ureter 8, sliding sleeve 46 slides in and pegs graft and have the slide bar 45, the upper end spiro union of slide bar 45 is fixed with spacing end cover 48, fixedly connected with sealing plug 40 between the lower extreme of two slide bars 45, the bottom surface middle part fixedly connected with suspension rod 41 of sealing plug 40, fixedly connected with hemisphere shape's elasticity utricule 42 on the top surface of buoyancy board 43, the upper end middle part fixed connection of elasticity utricule 42 is at the lower extreme of suspension rod 41, and buoyancy board 43 activity is placed in getting urine cup 37. When urine in the urine taking cup 37 is collected to contact with the buoyancy plate 43, the buoyancy plate 43 can float upwards, the elastic bag body 42 can enable the urine to drip from the arc-shaped bag surface without gathering, buoyancy can also be increased when the urine is higher than the buoyancy plate 43, the upper sealing plug 40 floats upwards to lift the upper sealing plug, the urine inlet pipe 8 is blocked by the sealing plug 40, the urine flows into the next urine taking cup 37 through the liquid distribution pipe 44, the sliding sleeve 46, the sliding rod 45 and the limiting guide sealing plug 40 can only move upwards and downwards, and when the buoyancy plate 43 floats upwards, the lower end of the urine inlet pipe 8 can be blocked by the sealing plug 40.

The box body 1, the box cover 2, the collecting funnel 17, the funnel cover 18 and the urine taking cup 37 are all made of transparent PVC materials. The transparent material can be used to observe the urine sampling state and the sampling state in the urine cup 37 in the box body 1.

A layer of rubber pad 28 is fixedly connected to the bottom surface of the inner cavity of the tray 26, rubber anti-slip patterns 36 are fixedly connected to the inner walls of the clamping pieces 34, and rubber anti-slip blocks 47 are fixedly connected to the four corners of the bottom surface of the box body 1. The rubber pad 28 can make the urine taking cup 37 stably placed, the rubber anti-slip lines 36 can make the clamping sheets 34 firmly clamped, and the rubber anti-slip blocks 47 can make the box body 1 more stably placed.

During the use, the flexible handle 15 handle of rotatable level is fixed through the spiro union of locking section of thick bamboo 14 with hinge post 22, open lid 2, will get urine cup 37 and place on tray 26, and will get urine cup 37 through sampling cup clamping device and carry out the centre gripping fixed, then rotate adjust knob 6 and adjust the height of tray 26, make buoyancy plate 43 arrange in and get suitable high department in the urine cup 37, then handheld flexible handle 15, open funnel cover 18, the sample is collected in urine from collecting funnel 17 upper end breach department.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a sectional type urine sampling device that medical science inspection is suitable for, includes the box body, collects funnel, funnel cover, collecting pipe, flexible handle, adjusting screw, tray, advances urine pipe, sampling cup clamping device, segmentation sealing device, its characterized in that: the collecting funnel is an oval spherical shell, the lower side of the collecting funnel is fixedly communicated with a collecting pipe, the lower end of the collecting pipe is fixed with a catheter in a screwed mode, the upper right side of the collecting funnel is provided with a quarter-volume opening, the edge of the upper side of the opening is hinged and fixed with a funnel cover through a damping hinge, the middle of the right side of the funnel cover is fixedly connected with a lifting ring, the right side of the collecting pipe is fixedly connected with a hinge column perpendicular to the collecting pipe, the end part of the hinge column is hinged and fixed with a telescopic handle through a hinge shaft, a telescopic part of the telescopic handle is fixedly connected with a locking bolt in a screwed mode, an inner rod of the telescopic handle is connected with a locking barrel in a sliding mode, the inner cavity of the locking barrel is T-shaped, the inner wall of the left side of the locking barrel is provided with an internal thread, the outer wall of the hinge column is provided with an, the urine collecting box is characterized in that the front side of the box body is open, the left end of the opening of the box body is hinged and fixed with a box cover through a torsional spring hinge, the right side of the outer wall of the box cover is fixedly connected with a handle, the upper end of the outer wall of the left side of the box body is fixedly connected with a placing cylinder, a plurality of partition plates are arranged in the box body and divide the interior of the box body into a plurality of inner cavities uniformly, a lifting groove is arranged on the inner wall of the rear side of each inner cavity, adjusting bearings penetrating through the upper and lower groove walls of the lifting groove are embedded and fixed on the upper and lower outer walls of the box body, an adjusting screw rod is fixedly connected between the inner rings of the adjusting bearings, the upper end of the adjusting screw rod penetrates through the upper adjusting bearing and then is fixedly connected with an adjusting knob at the end part, a rectangular sliding plate is fixedly screwed and, sampling cup clamping device includes telescopic stay bar, a centre gripping section of thick bamboo, clamping screw, holding piece, compression spring, stop nut, equal fixedly connected with advances the ureter on the box body upside outer wall of adjusting screw front side, and the upper end spiro union of advancing the ureter is fixed with the tube cap, and fixedly connected with is connected the rope between the lower extreme outer wall of advancing the ureter and the outer wall of tube cap, be equipped with the internal thread on the lower extreme inner wall of catheter and with advance the external screw thread phase-match of the upper end of ureter, all fixed intercommunication has the liquid distribution pipe on two adjacent relative one side outer walls of advancing the ureter in the box body, all be equipped with the through-hole on the baffle upside outer wall, the intussuseption of through-hole is pegged graft and is connected with the catheter, and the both ends spiro union of catheter is fixed on two relative liquid distribution pipes, advance the lower extreme outer wall both sides, Sealing plug, suspension rod, buoyancy board, elasticity utricule.

2. A segmented urine sampling device according to claim 1 adapted for medical testing, wherein: the quantity of baffle be three and divide into four inner chambers with the inside of box body, the top surface rear end fixed connection of box body carries the handle.

3. A segmented urine sampling device according to claim 1 adapted for medical testing, wherein: the tray is characterized in that telescopic support rods are fixedly connected to the plate edges of the two sides of the upper end of the tray, fixing bolts are fixedly connected to the telescopic portions of the telescopic support rods in a screwed mode, the upper end of each telescopic support rod is fixedly connected with a clamping cylinder perpendicular to the telescopic support rods, clamping screws are slidably inserted into the clamping cylinders, arc-shaped clamping pieces are fixedly connected to the right ends of the clamping screws, compression springs are fixedly sleeved on the clamping screws between the clamping cylinders and the clamping pieces, and limiting nuts are fixedly connected to the clamping screws on the outer sides of the clamping cylinders in a screwed mode.

4. A segmented urine sampling device according to claim 1 adapted for medical testing, wherein: advance the lower extreme outer wall both sides fixedly connected with sliding sleeve of ureter, it has the slide bar to slide to peg graft in the sliding sleeve, the upper end spiro union of slide bar is fixed with spacing end cover, fixedly connected with sealing plug between the lower extreme of two slide bars, the bottom surface middle part fixedly connected with of sealing plug hangs the pole, fixedly connected with hemisphere shape's elasticity utricule on the top surface of buoyancy board, the upper end middle part fixed connection of elasticity utricule hangs the lower extreme of pole, and the buoyancy board activity is placed in getting the urine cup.

5. A segmented urine sampling device according to claim 1 adapted for medical testing, wherein: the box body, the box cover, the collecting funnel, the funnel cover and the urine taking cup are all made of transparent PVC materials.

6. A segmented urine sampling device according to claim 1 adapted for medical testing, wherein: the tray is characterized in that a layer of rubber pad is fixedly connected to the bottom surface of the inner cavity of the tray, rubber anti-slip lines are fixedly connected to the inner walls of the clamping pieces, and rubber anti-slip blocks are fixedly connected to four corners of the bottom surface of the box body.