CN110217481B

CN110217481B - Collecting pipe cap

Info

Publication number: CN110217481B
Application number: CN201910384544.5A
Authority: CN
Inventors: 盛磊; 李雪宁
Original assignee: Zhongshan Hospital Fudan University
Current assignee: Zhongshan Hospital Fudan University
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2023-06-13
Anticipated expiration: 2039-05-09
Also published as: CN110217481A

Abstract

The utility model relates to a collecting pipe cover, which comprises a pipe body and a closing plug; the pipe body is of a hollow cylindrical structure; a placing clamping groove for placing the sealing plug is formed between the top and the bottom of the pipe body; the diameter of the inner wall of the top of the placement clamping groove is smaller than that of the inner wall of the bottom; the sealing plug body is of a three-layer structure, the diameter of an upper layer plug body is smaller than that of a lower layer plug body, the diameters of an upper layer plug body and a lower layer plug body are smaller than that of a middle layer plug body, a left-right double-ring structure is formed, and two sides of the middle layer plug body on the sealing plug are of arc structures; the placing clamping groove is matched with the middle layer plug body in size and shape. The advantages are as follows: the sealing performance is good, easy to assemble and pull out the plug, and simple structure, the practicality is strong, operation convenient to use.

Description

Collecting pipe cap

Technical Field

The utility model relates to the technical field of tube cap closing plugs, in particular to a collecting tube cap.

Background

The medical sealing bottle stopper is provided with a sealing elastomer product with a certain shape and size and is used for sealing the mouth of a medical bottle-shaped container such as glass, plastic and the like. The structure of the device can be roughly divided into three types of conical, T-shaped and flanging; according to the application, the bottle stopper can be divided into an antibiotic bottle stopper, a biological medicine bottle stopper, a spray medicine bottle stopper, an infusion bottle stopper and the like. The rubber material of the bottle stopper is required to contain no harmful soluble matters such as lead, mercury, arsenic, barium and the like, does not react with the chargeable agent, and can not have ejectors. Is generally prepared from sizing materials such as NR, IIR, SBR and the like, is produced by a mould pressing method, and is widely applied to pharmaceutical and medical industries.

However, the existing medical sealing plugs have the defects of poor sealing performance, unstable fixation of the rubber plug, difficult unplugging and plugging, and the like, and the medical supplies in the bottle have the problems of volatilization and leakage and are easy to pollute, and meanwhile, the existing sealing plugs cannot be well convenient for medical staff to open and use, so that a lot of inconvenience is brought to people.

Chinese patent literature: 201620803199.6, filing date 2016.07.28, patent name: a novel medical rubber plug. Discloses a novel medical rubber plug, which comprises a rubber plug body. The rubber stopper body includes a crown portion and a neck portion. The crown is connected above the neck; the neck part is a solid; a groove is formed at the joint of the crown and the neck; a semicircular fixing piece is arranged below the groove; a needling part is arranged at the top of the crown part; and a micropore area is arranged below the needling part. The medical rubber plug has the advantages of simple structure, high use strength, good sealing effect, no generation of scraps during the insertion and extraction of the needle, and high safety performance.

Chinese patent literature: 201620803215.1, filing date 2016.07.28, patent name: a medical rubber stopper. The utility model discloses a medical rubber stopper, including the body, its characterized in that: the anti-bacterial protective cover is characterized in that an anti-bacterial film, an opening lug, an isolation convex ring and a puncture needle groove are arranged on the upper surface of the body, the puncture needle groove is arranged in the center of the upper surface of the body and surrounds the isolation convex ring, the anti-bacterial film covers the isolation convex ring, the opening lug is arranged at the edge of the upper surface of the body, a sealing cover is arranged in the middle of the body, a sealing body is arranged at the lower part of the body, a backing plate is arranged at the joint of the sealing cover and the sealing body, a micropore area is arranged in the sealing body, and an anti-jump convex ring and a wear-resisting layer are arranged on the sealing body. The medical rubber plug has the advantages of simple structure, high structural strength, good sealing performance, wear resistance, good safety performance, long service life, small friction resistance when a needle is penetrated, difficult generation of fragments and no pollution to medicines.

The novel medical rubber plug in the patent document 201620803199.6 has the advantages that the connecting part of the crown part and the neck part is provided with the groove, the semicircular fixing part is arranged below the groove, the top of the crown part is provided with the needling part, and the micropore area is arranged below the needling part, so that the novel medical rubber plug has the advantages of simple structure, high use strength, good sealing effect, no generation of scraps when the contact pin is pulled out, and high safety performance; the novel medical rubber plug in the patent document 201620803199.6 is characterized in that the middle part of the body is provided with the sealing cover, the lower part of the body is provided with the sealing body, the joint of the sealing cover and the sealing body is provided with the backing plate, the inside of the sealing body is provided with the micropore area, and the sealing body is provided with the anti-jump convex ring and the wear-resistant layer, so that the novel medical rubber plug is simple in structure, high in structural strength, good in sealing performance, wear-resistant, good in safety performance, long in service life, small in friction resistance when a needle is penetrated, difficult to generate fragments and free from polluting medicines. But about a kind of leakproofness is good, easy to assemble and pull out the plug, and simple structure, the practicality is strong, and a kind of collecting pipe tube lid that makes things convenient for medical personnel to operate and use does not have relevant report at present.

In summary, there is a need for a collecting tube cap with good sealing performance, easy installation, easy insertion, simple structure, and strong practicality, which is convenient for medical staff to operate and use.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the collecting pipe cap which has the advantages of good sealing performance, convenient installation, convenient drawing and inserting, simple structure, strong practicability and convenient operation and use of medical staff.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a collection tube cap, the collection tube cap comprising a tube body and a closure plug; the pipe body is of a hollow cylindrical structure; a placing clamping groove for placing the sealing plug is formed between the top and the bottom of the pipe body; the diameter of the inner wall of the top of the placement clamping groove is smaller than that of the inner wall of the bottom; the sealing plug body is of a three-layer structure, two sides of the middle layer plug body on the sealing plug are of arc-shaped structures, the diameter of the upper layer plug body is smaller than that of the lower layer plug body, the diameter of the upper layer plug body and the diameter of the lower layer plug body are smaller than that of the middle layer plug body, and the placing clamping groove is matched with the size and the shape of the middle layer plug body of the sealing plug.

As a preferable technical scheme, the liquid collecting pipe comprises a collecting pipe matched with the collecting pipe cover for collecting liquid, and the inner diameter of a pipe orifice of the collecting pipe is matched with the diameter of a lower plug body of the sealing plug; the tube body can be provided with a connecting structure matched with the collecting tube.

As a preferred technical scheme, the tube body and the collecting tube are structurally connected by a specific connection mode, wherein the connection mode comprises but is not limited to a threaded connection mode, a buckle connection mode or a turnbuckle connection mode.

As a preferable technical scheme, the two layers of plug bodies in the plug are tightly combined with the pipe body; the sealing block can form one or two layers of hollow annular structures; the closure plug includes, but is not limited to, a rubber plug.

As a preferable technical scheme, the top of the pipe body is provided with a pipe plug in a matched manner, and the pipe body and the pipe plug are in an integrated or separated type fixed connection mode; the pipe body is provided with an anti-skid structure, the anti-skid structure can be a stripe structure or a dot structure, and the dot structure can form braille.

As a preferable technical scheme, one or more annular grooves can be formed between the top of the pipe body and the placing clamping groove, one or more transverse grooves can be formed on the surface of the top of the pipe body, one or more strip-shaped grooves can be formed from the surface of the inner wall of the top of the pipe body to the surface of the annular grooves, and the annular grooves, the transverse grooves and the strip-shaped grooves are communicated.

As a preferable technical scheme, the pipe body is of a hollow cylindrical structure, a hollow cube structure or a hollow elliptic structure.

The utility model has the advantages that:

1. by utilizing the design of the clamping groove in the pipe body, when the external needling structure passes through the sealing block in the pipe body, the problem that the sealing block falls off or is carried out due to different applied forces is effectively avoided, and the use of operators is facilitated.

2. After the closing plug is placed in place, the extrusion force of the two sides of the closing plug and the upper and lower sides of the clamping groove are balanced with the extrusion force of the clamping groove and the left and right sides of the clamping groove and the upper and lower sides of the clamping groove, so that the closing plug is fixed and does not deviate.

3. The design of the left and right double rings of the sealing plug can ensure that the sealing plug cannot fall off from the fixed pipe body due to external force when the external needling structure is inserted or pulled out, and can also prevent the external needling structure from being inserted too deeply.

4. Besides adopting friction fit fixing mode between the bottom of the tube body and the periphery of the orifice of the collecting tube, a threaded connection mode, a buckle connection mode or a spin-buckle connection mode can be adopted, the tube body and the collecting tube can be fixedly connected only by simple operation during fixing, and the sealing performance can be ensured during the liquid collecting process when the fixing effect is ensured by the above connection mode, so that liquid leakage is avoided.

5. The diameter of the inner wall of the top of the placing clamping groove is smaller than that of the inner wall of the bottom, two sides of the two layers of plug bodies on the sealing plug are of arc structures, and the inner diameter of the pipe orifice of the collecting pipe is larger than that of the inner wall of the top of the placing clamping groove and smaller than that of the inner wall of the bottom of the placing clamping groove, so that the sealing plug connected with the collecting pipe is conveniently placed at a specified position.

6. The surface of the pipe body is provided with a striped or dot-shaped anti-skid structure, and the dot-shaped anti-skid structure can form braille, so that the blind can use the anti-skid structure conveniently.

7. The design of the tube plug is that after the external needling structure is inserted into the sealing plug to enter the collecting tube, the tube cap is covered after the liquid collection is completed, so that the liquid seepage caused by poor sealing effect of the sealing plug can be avoided.

8. The fixing function among the collecting pipe, the pipe body and the sealing plug can be increased by utilizing the connecting structure of the pipe body and the collecting pipe.

Drawings

FIG. 1 is a schematic top and bottom perspective view and a schematic overall plan view of a header cap body of the present utility model, and a schematic plan view and A-A cross-sectional view of a header cap closure, a schematic view of a closure plug and body assembly.

Fig. 2A is a schematic view of the upper and lower perspective structures and a schematic view of the overall plan of a header cap according to embodiment 1 of the present utility model.

FIG. 2B is a schematic plan view and a cross-sectional view of A-A of a header tube cap closure of example 1 of the present utility model.

FIG. 2C is a schematic plan view of a header cap coupled to a header in accordance with embodiment 1 of the present utility model.

Fig. 3A is a schematic view of the upper and lower perspective structures and a schematic view of the overall plan view of a header cap according to embodiment 2 of the present utility model.

FIG. 3B is a schematic plan view and a cross-sectional view of A-A of a header tube cap closure of example 2 of the present utility model.

FIG. 3C is a schematic plan view of a header cap coupled to a header in accordance with embodiment 2 of the present utility model.

Fig. 4A is a schematic view of the upper and lower perspective structures and the overall plan view of the cover body of the collecting pipe according to embodiment 3 of the present utility model.

FIG. 4B is a schematic view of a header tube cap in whole and in part according to embodiment 3 of the utility model.

FIG. 4C is a schematic plan view of a bottom portion of a header cap and a header tube orifice according to embodiment 3 of the present utility model.

FIG. 4D is a schematic illustration of a header cap attached to a header in accordance with embodiment 3 of the present utility model.

Fig. 5A is a schematic view of the upper and lower perspective structures and a schematic view of the overall plan view of a header cap according to embodiment 4 of the present utility model.

FIG. 5B is a schematic view of a header tube cap in whole and in part according to embodiment 4 of the utility model.

FIG. 5C is a schematic plan view of a bottom portion of a header cap and a header tube orifice according to embodiment 4 of the present utility model.

FIG. 5D is a schematic illustration of a header cap attached to a header in accordance with embodiment 4 of the present utility model.

Detailed Description

The following detailed description of the utility model provides specific embodiments with reference to the accompanying drawings.

Reference numerals and components referred to in the drawings are as follows:

1. pipe 11. Placing slot

12. Anti-slip structure 13 pipe plug

14. Screw structure 15. Buckle structure

16. Annular groove 17. Strip groove

18. Transverse groove 19. Turnbuckle structure

2. Closing plug 21. Arc structure

3. Collecting pipe

Example 1

Referring to fig. 1, fig. 1 is a schematic view showing a perspective structure and a schematic view showing an overall plan view of a top and a bottom of a body of a cover of a collecting tube, a schematic view showing a plan view and a cross-sectional view of a closure plug of the cover of the collecting tube, and a schematic view showing an assembly of the closure plug and the body of the collecting tube. A collection tube cap comprising a tube body 1 and a closure plug 2; the pipe body 1 is of a hollow cylindrical structure; a holding clamping groove 11 for holding the closing plug 2 is arranged between the top and the bottom of the pipe body 1; an anti-slip structure 12 is arranged on the pipe body 1; the diameter of the inner wall of the top of the placement clamping groove 11 is smaller than that of the inner wall of the bottom; the main body of the sealing plug 2 is of a three-layer structure, two sides of two layers of plug bodies on the sealing plug 2 are of arc structures 21, the diameter of an upper layer of plug body is smaller than that of a lower layer of plug body, the diameter of the upper layer of plug body and the diameter of the lower layer of plug body are smaller than that of a middle layer of plug body, and the size and the shape of the placing clamping groove 11 are matched with those of the middle layer of plug body of the sealing plug 2; two layers of plug bodies on the sealing plug 2 are tightly combined with the pipe body 1, and the sealing plug 2 forms an upper hollow annular structure and a lower hollow annular structure.

Referring to fig. 2A, 2B, and 2C, fig. 2A is a schematic view of a perspective structure and a schematic view of a whole plan view of an upper and a lower side of a cover body of a collecting pipe according to embodiment 1 of the present utility model; FIG. 2B is a schematic plan view and a schematic sectional view of a portion of a closure of a header tube cap of the present utility model (wherein, (1) is a schematic plan view of the closure, (2) is a schematic sectional view of a broken line A-A of the closure, (3) is a sectional plan view of a broken line A-A of a partial structure of the closure, and (4) is a sectional plan view of a broken line A-A of a partial structure of the closure); FIG. 2C is a schematic plan view of a header cap coupled to a header in accordance with embodiment 1 of the present utility model. The collecting pipe cover in this embodiment needs to be matched with the collecting pipe 3 for collecting liquid, and only the inner diameter of the pipe orifice of the collecting pipe 3 is matched with the diameter of the lower layer plug body of the sealing plug 2, and the two are fixedly connected by friction force. When the sealing plug 2 is placed in the placing clamping groove 11, the lower-layer plug body of the sealing plug 2 and the orifice of the collecting pipe 3 are fixed inside and outside, the collecting pipe 3 is moved gradually to enter the pipe body 1, and the sealing plug 2 is moved into the placing clamping groove 11 by utilizing the friction effect between the arc structures 21 on two sides of the two layers of plug bodies on the sealing plug 2 and the pipe body 1.

It should be noted that: the material of the sealing plug 2 can also be soft materials except rubber plugs, so that the needling structure can conveniently penetrate through the sealing plug 2; the inner diameter of the pipe orifice of the collecting pipe 3 is larger than the diameter of the inner wall of the top of the placing clamping groove 11 and smaller than the diameter of the inner wall of the bottom of the placing clamping groove 11, so that the sealing plug 2 connected with the collecting pipe 3 can be placed at a specified position conveniently; the extrusion force of the two sides and the upper and lower sides of the closing plug 2 to the placing clamping groove 11 is balanced with the extrusion force of the left and right and upper and lower sides of the placing clamping groove 11 to the closing plug 2 by utilizing the elasticity of the self and the structural design of the placing clamping groove 11, so that the closing plug 2 is kept fixed and not offset; the design of the left ring and the right ring of the sealing plug 2 can ensure that the sealing plug 2 cannot fall off from the fixed pipe body 1 due to external force when the external needling structure is inserted or pulled out, and can also prevent the external needling structure from being inserted too deeply; the design of the clamping groove 11 in the pipe body 1 can ensure that when an external needling structure passes through the sealing plug 2 in the pipe body 1, the problem that the sealing plug 2 falls off or is carried out due to different applied forces is effectively avoided, and the use of operators is facilitated; the sealing plug 2 is arranged in the pipe body 1 by utilizing an internal and external friction fit mode between the pipe body 1 and the collecting pipe 3, and the purpose is to ensure the sealing performance in the liquid collecting process while ensuring the fixing function, so that the leakage of liquid is avoided; the anti-skid structure 12 is arranged on the surface of the pipe body 1, the anti-skid structure 12 can be a stripe structure or a dot structure, and the dot structure can form braille, so that the blind can use the blind conveniently.

Example 2

Referring to fig. 3A, 3B, and 3C, fig. 3A is a schematic top and bottom perspective view and an overall plan view of a collecting tube cap body according to embodiment 2 of the present utility model, fig. 3B is an overall plan view of a collecting tube cap body according to embodiment 3 of the present utility model (wherein, (1) is a schematic plan view of a closing plug, (2) is a schematic cross-sectional view of a broken line A-A of the closing plug, (3) is a schematic cross-sectional view of a broken line A-A of a partial structure of the closing plug, (4) is a schematic cross-sectional view of a broken line A-A of a partial structure of the closing plug), and fig. 3C is a schematic plan view of a connecting tube cap and a collecting tube according to embodiment 2 of the present utility model. The difference between this embodiment and embodiment 1 is that the pipe body 1 and the pipe orifice of the collecting pipe 3 in this embodiment are fixed by using a connection manner of a threaded structure 14, that is, the inner wall of the bottom of the pipe body 1 and the pipe body of the collecting pipe 3 are respectively provided with mutually matched threaded structures 14; a pipe plug 13 is further arranged at the top of the pipe body 1, and the pipe plug 13 and the side surface of the top of the pipe body 1 can be integrally fixed by using a lacing or other connection modes; the pipe body 1 and the collecting pipe 3 are connected by screw threads, so that the fixation between the pipe body 1 and the collecting pipe is more stable, and the sealing performance is stronger; the design of the tube plug 13 is that after the external needling structure is inserted into the sealing plug 2 to enter the collecting tube 3, the tube plug 13 is covered after the liquid collection is completed, so that the liquid seepage caused by poor sealing effect of the sealing plug 2 can be avoided.

Example 3

Referring to fig. 4A, 4B, 4C, and 4D, fig. 4A is a schematic view of an upper and a lower perspective and an overall plan view of a cover body of a collecting pipe according to embodiment 3 of the present utility model, and fig. 4B is a schematic view of an overall and a partial schematic view of a cover body of a collecting pipe according to embodiment 3 of the present utility model (wherein, (1) is a schematic view of an overall plan view of a body; the bottom of the collecting tube cap and the mouth of the collecting tube according to embodiment 3 of the present utility model are shown in fig. 4C (1) as a top view of the bottom structure of the tube, (2) as a top view of the connecting structure of the collecting tube), and fig. 4D is a schematic diagram of the connection of the collecting tube cap and the collecting tube according to embodiment 3 of the present utility model (1) as a schematic diagram of the whole structure of the connection of the collecting tube cap and the collecting tube, (2) as a schematic diagram of the broken line AA section of the snap connection of the tube body and the collecting tube in which the collecting tube starts to enter the holding groove, and (3) as a schematic diagram of the broken line AA section of the snap connection of the tube body and the collecting tube in which the collecting tube is fixed in the holding groove after the rotation of the collecting tube is completed). The difference between this embodiment and embodiment 1 is that the pipe body 1 and the pipe orifice of the collecting pipe 3 in this embodiment are fixed by using a connection manner of a fastening structure 15, that is, fastening structures 15 that are mutually matched are respectively arranged on the inner side of a placement clamping groove 11 of the pipe body 1 and the periphery of the outer side of the pipe orifice of the collecting pipe 3; in addition, in this embodiment, an annular groove 16 is disposed between the top inner wall surface of the pipe body 1 and the placement slot 11, two strip-shaped grooves 17 are disposed between the top inner wall surface of the pipe body 1 and the annular groove surface, two transverse grooves 18 are disposed on the top surface of the pipe body 1, and the annular groove 16, the strip-shaped grooves 17 and the transverse grooves 18 are communicated; a pipe plug 13 is arranged at the top of the pipe body 1, and the pipe plug 13 is detachably connected with the pipe body 1; the pipe body 1 and the collecting pipe 3 are fixed by a buckling structure 15, and the pipe body 1 and the collecting pipe 3 can be fixedly connected by simple operation when in use; the fine scraps generated by friction in the fixing process of the threaded connection mode can be avoided by utilizing the connection fixing mode of the buckle structure 15, so that the sanitation and the neatness of the collecting process are ensured, and the fixing is more convenient and easier by utilizing the buckle connection mode; by means of the annular groove 16, the strip-shaped groove 17 and the transverse groove 18 which are communicated with each other are arranged between the top of the pipe body 1 and the placing clamping groove 11, when liquid collection is carried out, gas in the collecting pipe 3 can be in contact with the outside atmosphere through the annular groove 16, the strip-shaped groove 17 and the transverse groove 18 which are communicated with each other, air circulation in the collecting pipe 3 is facilitated, and smooth collection of liquid is facilitated.

Example 4

Referring to fig. 5A, 5B, 5C, and 5D, fig. 5A is a schematic view of the top and bottom of a tube cap body and a schematic view of the whole and partial plan of a tube cap body of a collecting tube according to embodiment 4 of the present utility model, fig. 5B is a schematic view of the whole and partial plan of a tube cap body of a collecting tube according to embodiment 4 of the present utility model (1) is a schematic view of the whole plan of a tube cap body, (2) is a schematic view of a broken line AA section of a tube body partial structure, (3) is a schematic view of a broken line AA section of a tube body partial structure, (4) is a schematic view of a broken line AA section of a bottom of a tube body partial structure, (2) is a schematic view of a broken line AA section of a tube body partial structure, (3) is a schematic view of a broken line AA section of a bottom of a tube body partial structure, (2) is a schematic view of a broken line AA section of a broken line AA card connection of a tube body and a card), fig. 5D is a schematic view of a connecting a tube cap and a collection tube in a broken line AA section of a card, and fig. 5D is a schematic view of a card connection of a tube AA section of a broken line AA section of a card, and a card is fixed in a card section AA section after rotation. The difference between this embodiment and embodiment 1 is that the pipe body 1 and the pipe orifice of the collecting pipe 3 in this embodiment are fixed by using a connection manner of a turnbuckle structure 19, that is, the bottom of the pipe body 1 and the surface or side edge of the pipe orifice of the collecting pipe 3 are respectively provided with a turnbuckle structure 19 which is mutually matched; in the embodiment, the pipe body 1 is also provided with an annular groove 16, a strip-shaped groove 17 and a transverse groove 18 which are communicated with each other; the pipe body 1 and the collecting pipe 3 are connected and fixed by the rotary buckle structure 19, and the connection and fixation can be completed only by simple rotary action when in use, so that the use is more convenient, and the device is suitable for users of different ages; in this embodiment, the tube body 1 has a hollow structure similar to an ellipse, and two sides of the short diameter of the tube body 1 have a planar structure; by setting the two sides of the pipe body 1 to be the plane structure, a round point-shaped anti-skid structure 12 is convenient to set; in addition, in this embodiment, the pipe body 1 may also have a hollow cube structure, and the planar structures on both sides of the pipe body 1 are used to facilitate the installation of the round point-shaped anti-slip structure 12, and the round points form braille, so that the blind person can recognize and use the blind person conveniently.

According to the collecting pipe cap, due to the design of the clamping groove in the pipe body, when the external needling structure passes through the sealing block in the pipe body, the problem that the sealing block falls off or is carried out due to different applied forces is effectively avoided, and the use of an operator is facilitated; after the sealing plug is placed in place, the extrusion force of the two sides of the sealing plug and the upper and lower sides of the clamping groove are balanced with the extrusion force of the clamping groove and the left and right sides of the clamping groove and the upper and lower sides of the clamping groove by utilizing the elasticity of the sealing plug and the structural design of the clamping groove, so that the sealing plug is kept fixed and not deflected; the design of the left and right double rings of the sealing plug can ensure that the sealing plug cannot fall off from the fixed pipe body due to external force when the external needling structure is inserted or pulled out, and can also prevent the external needling structure from being inserted too deeply; besides the friction fit fixing mode, the pipe bottom and the periphery of the orifice of the collecting pipe can also adopt a threaded connection mode, a buckle connection mode or a spin-buckle connection mode, the pipe body and the collecting pipe can be fixedly connected only by simple operation during fixing, and the sealing performance can be ensured during the liquid collecting process while the fixing effect is ensured by utilizing the connection modes, so that liquid leakage is avoided; the diameter of the inner wall of the top of the placing clamping groove is smaller than that of the inner wall of the bottom, two sides of the two layers of plug bodies in the sealing plug are of arc structures, and the inner diameter of the pipe orifice of the collecting pipe is larger than that of the inner wall of the top of the placing clamping groove and smaller than that of the inner wall of the bottom of the placing clamping groove, so that the sealing plug connected with the collecting pipe can be conveniently placed at a specified position; the surface of the tube body is provided with a striped or dot-shaped anti-skid structure, and the dot-shaped anti-skid structure can form braille so as to be convenient for the blind; the design of the tube plug is that after the external needling structure is inserted into the sealing plug to enter the collecting tube, the tube cap is covered after the liquid collection is completed, so that the liquid seepage caused by poor sealing effect of the sealing plug can be avoided; the connecting structure of the tube body and the collecting tube can be used for increasing the fixing effect of the collecting tube, the tube body and the sealing plug.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and additions may be made to those skilled in the art without departing from the method of the present utility model, which modifications and additions are also to be considered as within the scope of the present utility model.

Claims

1. A collection tube cap, the collection tube cap comprising a tube body and a closure plug; a placing clamping groove for placing the sealing plug is formed between the top and the bottom of the pipe body; the diameter of the inner wall of the top of the placement clamping groove is smaller than that of the inner wall of the bottom; the sealing plug body is of a three-layer structure, two sides of two layers of plug bodies in the sealing plug are of arc structures, the diameter of an upper layer of plug body is smaller than that of a lower layer of plug body, the diameter of the upper layer of plug body and the diameter of the lower layer of plug body are smaller than that of a middle layer of plug body, and the size and the shape of the placing clamping groove are matched with those of the middle layer of plug body in the sealing plug; two layers of plugs in the sealing plug are tightly combined with the pipe body, one or more annular grooves can be formed between the top of the pipe body and the placing clamping groove, one or more transverse grooves can be formed in the surface of the top of the pipe body, one or more strip-shaped grooves can be formed from the surface of the inner wall of the top of the pipe body to the surface of the annular grooves, and the annular grooves, the transverse grooves and the strip-shaped grooves are communicated.

2. The collection tube cap of claim 1, comprising a collection tube for collecting liquid for use with the collection tube cap, and an inside diameter of a tube orifice of the collection tube matching a diameter of a lower plug of the closure plug; the tube body can be provided with a connecting structure matched with the collecting tube.

3. The collection tube cap of claim 2, wherein a specific connection is required between the tube body and the collection tube for structural connection, the connection comprising a threaded connection, a snap-fit connection, or a twist-fit connection.

4. The collection tube cap of claim 1, wherein the closure plug can form one or two layers of hollow annular structure.

5. The collection tube cap of claim 1, wherein a tube plug is provided on the top of the tube body in a mating manner, and wherein the tube body and the tube plug are fixedly connected in an integral or separate manner.

6. The collection tube cap of claim 1, wherein the tube body is provided with an anti-slip structure, the anti-slip structure can be a stripe structure or a dot structure, and the dot structure can form braille.

7. The collection tube cap of claim 1, wherein the tube body is a hollow cylindrical structure, a hollow cube structure, or a hollow oval structure.