CN221038214U

CN221038214U - PEEK advances kind needle

Info

Publication number: CN221038214U
Application number: CN202323136122.7U
Authority: CN
Inventors: 谢静
Original assignee: Beijing Haotianhui Instrument Co ltd
Current assignee: Beijing Haotianhui Instrument Co ltd
Priority date: 2023-11-21
Filing date: 2023-11-21
Publication date: 2024-05-28
Anticipated expiration: 2033-11-21

Abstract

The utility model discloses a PEEK sample injection needle which comprises a needle tube, wherein a first inner wall is embedded in the needle tube, a second inner wall is embedded in the needle tube, a connecting plate is arranged at one end of the first inner wall and one end of the second inner wall, and the first inner wall, the second inner wall and the connecting plate are connected through threads. This PEEK advances a kind of needle, through add first inner wall and second inner wall in the needle tubing is inside, first inner wall and second inner wall pass through threaded connection on the connecting plate, can conveniently take out two inside from the cylinder, and first inner wall and second inner wall pass through the jack inserted bar simultaneously and are connected, only need pull out the inserted bar from the jack when needs wash can enlarge operating space, wash first inner wall and second inner wall, install back the cylinder after wasing can, it is more convenient laborsaving to clean.

Description

PEEK advances kind needle

Technical Field

The utility model belongs to the technical field of sampling needles, and particularly relates to a PEEK sampling needle.

Background

The sample injection needle is classified into a flat head sample injection needle, a cone needle, and an epoxy resin adhesive is used at the connection part of the needle and the syringe, so that the adhesive may flow out due to erosion of the used sample or the cleaning solvent, and a proper sample injection needle needs to be selected according to the used sample.

The sample injection needle on the market has the following problems in application:

1. After the traditional sample injection needle is used, the sample injection needle needs to be cleaned so as to avoid the blockage of the needle head by the liquid of sample injection, and the sample injection needle needs to be used for sucking cleaning liquid for cleaning when the sample injection needle is cleaned, but the impact force of the solution on the inner wall of the needle tube is small when the cleaning solution is sucked, and stains on the inner wall are difficult to clean after the cleaning solution is sucked for several times, so that the sample injection needle is very inconvenient to clean;

2. When the traditional sample injection needle is used for sucking samples, the needle head of the sample injection needle is thinner, the needle cylinder needs to be held by one hand during use, the holding block at the top needs to be held by one hand, the two hands are very inconvenient to operate, and when the substances needing sample injection are not placed on the horizontal plane, the samples are difficult to sample, and the operation is very inconvenient.

Disclosure of utility model

The utility model aims to provide a PEEK sample injection needle so as to solve the technical problems in the background technology.

In order to achieve the above purpose, the specific technical scheme of the utility model is as follows: the PEEK sampling needle comprises a PEEK sampling needle body, wherein a first inner wall is inlaid in a needle tube, a second inner wall is inlaid in the needle tube, a connecting plate is arranged at one end of the first inner wall and one end of the second inner wall, and the first inner wall is connected with the second inner wall through threads.

Preferably, the needle tube is externally provided with a supporting plate, the supporting plate is connected with the needle tube through threads, a pressure rod is arranged in the needle tube, one end of the pressure rod is fixedly connected with an extrusion rod, the side surface of the extrusion rod is fixedly connected with an external thread seat, the external thread seat is externally provided with an internal thread seat, and the surface of the internal thread seat is fixedly connected with a pull ring.

Preferably, the bottom of the connecting plate is fixedly connected with an internal thread ring, and the outer part of the needle tube is fixedly connected with an external thread ring.

Preferably, the first inner wall tangent plane fixed connection inserted bar, the jack is seted up to the second inner wall tangent plane, the inserted bar is inserted inside the jack.

Preferably, a first sealing ring is arranged at the bottom of the connecting plate, and a second sealing ring is arranged at the bottom of the connecting plate.

Preferably, the needle tube bottom is fixedly connected with the connecting block, one end of the connecting block is fixedly connected with the protecting block, and one end of the protecting block is provided with the needle head.

The PEEK sample injection needle has the following advantages:

1. According to the PEEK sample injection needle, the first inner wall and the second inner wall are additionally arranged in the needle tube and are connected to the connecting plate through threads, so that the two inner walls can be conveniently taken out of the needle tube, meanwhile, the first inner wall and the second inner wall are connected through the inserting rod of the inserting hole, the operation space can be enlarged only by pulling the inserting rod out of the inserting hole when cleaning is needed, the first inner wall and the second inner wall are cleaned, the needle tube is installed after cleaning, and the PEEK sample injection needle is more convenient and labor-saving to clean;

2. This PEEK advances needle, through add the backup pad in the cylinder outside, when the sample does not have horizontal ground position to place at internal thread seat fixed connection pull ring, only need with index finger and well finger clip needle tubing, insert the pull ring in the middle of with the thumb, when needs absorb the sample, lift the thumb and can carry out the absorption to the sample, threaded connection when backup pad and cylinder simultaneously can carry out length adjustment according to user's finger length, and a hand can operate, and it is very convenient to operate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic view of a pressure bar structure according to the present utility model;

FIG. 3 is a schematic view of the structure of the externally threaded ring of the present utility model;

FIG. 4 is a schematic view of the structure of the external screw seat according to the present utility model;

FIG. 5 is a schematic illustration of a bayonet structure of the present utility model;

The figure indicates: 1. a needle tube; 2. a protection block; 3. a connecting block; 4. a needle; 5. an extrusion rod; 6. a support plate; 7. an internally threaded ring; 8. a pressure rod; 9. a first seal ring; 10. a second seal ring; 11. a pull ring; 12. an external thread seat; 13. a jack; 14. an external threaded ring; 15. an internal thread seat; 16. a first inner wall; 17. a second inner wall; 18. a rod; 19. and (5) connecting a plate.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the embodiments of the present utility model and to simplify the description, rather than to indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the utility model. In order to simplify the disclosure of embodiments of the present utility model, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present utility model. Furthermore, embodiments of the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

In order to better understand the purpose, structure and function of the present utility model, a PEEK sampling needle according to the present utility model will be described in further detail with reference to the accompanying drawings.

As shown in figures 1-5, the PEEK sample injection needle comprises a needle tube 1, a first inner wall 16 is embedded in the needle tube 1, a second inner wall 17 is embedded in the needle tube 1, one ends of the first inner wall 16 and the second inner wall 17 are provided with connecting plates 19, the first inner wall 16 and the second inner wall 17 are connected with the connecting plates 19 through threads, the first inner wall 16 and the second inner wall 17 are additionally arranged in the needle tube 1, the first inner wall 16 and the second inner wall 17 are connected with the connecting plates 19 through threads, the two inner walls can be conveniently taken out of a needle tube, meanwhile, the first inner wall 16 and the second inner wall 17 are connected through inserting rods 18 of inserting holes 13, an operation space can be enlarged by only pulling the inserting rods 18 out of the inserting holes 13 when the needle tube needs to be cleaned, the needle tube is installed after the cleaning is finished, and the needle tube is cleaned more conveniently and more labor-saving.

The needle tube 1 is externally provided with the supporting plate 6, the supporting plate 6 is in threaded connection with the needle tube 1, the pressure rod 8 is arranged in the needle tube 1, one end of the pressure rod 8 is fixedly connected with the extrusion rod 5, the side surface of the extrusion rod 5 is fixedly connected with the external thread seat 12, the external thread seat 12 is externally provided with the internal thread seat 15, the surface of the external thread seat 12 is fixedly connected with the pull ring 11, the supporting plate 6 is additionally arranged outside the needle tube, the surface of the internal thread seat 15 is fixedly connected with the pull ring 11, when a sample is not placed at the horizontal ground position, the needle tube 1 is clamped by an index finger and a middle finger, the thumb is inserted into the middle of the pull ring 11, when the sample is required to be absorbed, the sample can be absorbed by lifting the thumb, meanwhile, the supporting plate 6 is in threaded connection with the needle tube, the length of the finger of a user can be adjusted, one hand can be operated, and the operation is quite convenient.

The bottom of the connecting plate 19 is fixedly connected with the internal thread ring 7, the outer part of the needle tube 1 is fixedly connected with the external thread ring 14, and the connecting plate 19 can be opened more conveniently through the additionally arranged internal thread ring 7 and external thread ring 14 to take out the first inner wall 16 and the second inner wall 17 inside the needle tube.

The inserted link 18 is fixedly connected to the tangent plane of the first inner wall 16, the jack 13 is formed in the tangent plane of the second inner wall 17, the inserted link 18 is inserted into the jack 13, the fixed connection between the first inner wall 16 and the second inner wall 17 is tighter by additionally arranging the inserted link 18 on the first inner wall 16 and forming the jack 13 in the second inner wall.

The connecting plate 19 bottom is equipped with first sealing washer 9, and connecting plate 19 bottom is equipped with second sealing washer 10, through two sealing washer that add, after connecting plate 19 passes through threaded connection on the cylinder, the sealing washer can prevent effectively that the liquid of sample from spilling.

Needle tubing 1 bottom fixed connection connecting block 3, connecting block 3 one end fixed connection protection piece 2, protection piece 2 one end are equipped with syringe needle 4, and syringe needle 4 can sample the material that needs the sample, and protection piece 2 can prevent that syringe needle 4 from crooked.

The working principle of the PEEK sample injection needle is as follows: when the sample injection needle is used, the needle head 4 is firstly inserted into a substance to be sampled, when the sample injection needle can be operated by two hands, the needle cylinder is held by one hand, the substance to be sampled can be extracted into the sample injection needle by pulling the pull ring 11 by one hand, when the sample injection needle can be operated by only one hand, the needle tube 1 is clamped by the index finger and the middle finger, the thumb is inserted into the middle of the pull ring 11, when the sample is required to be sucked, the sample can be sucked by lifting the thumb, meanwhile, the support plate 6 is in threaded connection with the needle cylinder, the length of the support plate can be adjusted according to the length of the finger of a user, when the sample injection needle is used, the sample injection needle is required to be cleaned after the sample injection needle is used, the connecting plate 19 is required to be unscrewed by the threads, the first inner wall 16 and the second inner wall 17 are taken out, the first inner wall 16 and the second inner wall 17 are screwed off the connecting plate 19, the plug rod 18 on the first inner wall 16 is pulled out of the jack 13 on the second inner wall 17, the first inner wall 16 and the second inner wall 17 can be separated, the plug rod 18 is cleaned, the plug rod 13 is inserted into the jack 13 after the cleaning, the plug rod is screwed into the jack 13, the second inner wall 19 is screwed, and the liquid sealing ring is prevented from flowing out of the needle cylinder, and the sealing ring 10 is prevented.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a PEEK advances needle, includes needle tubing (1), its characterized in that: the novel needle tube is characterized in that a first inner wall (16) is embedded in the needle tube (1), a second inner wall (17) is embedded in the needle tube (1), a connecting plate (19) is arranged at one end of the first inner wall (16) and one end of the second inner wall (17), and the first inner wall (16) and the second inner wall (17) are connected with the connecting plate (19) through threads.

2. The PEEK sampling needle of claim 1, wherein: the novel needle tube is characterized in that a supporting plate (6) is arranged outside the needle tube (1), the supporting plate (6) is connected with the needle tube (1) through threads, a pressure rod (8) is arranged inside the needle tube (1), one end of the pressure rod (8) is fixedly connected with an extrusion rod (5), the side face of the extrusion rod (5) is fixedly connected with an external thread seat (12), an internal thread seat (15) is arranged outside the external thread seat (12), and a pull ring (11) is fixedly connected with the surface of the internal thread seat (15).

3. The PEEK sampling needle of claim 1, wherein: the bottom of the connecting plate (19) is fixedly connected with an internal thread ring (7), and the outer part of the needle tube (1) is fixedly connected with an external thread ring (14).

4. The PEEK sampling needle of claim 1, wherein: the cutting face of the first inner wall (16) is fixedly connected with the inserting rod (18), the cutting face of the second inner wall (17) is provided with the inserting hole (13), and the inserting rod (18) is inserted into the inserting hole (13).

5. The PEEK sampling needle of claim 1, wherein: the bottom of the connecting plate (19) is provided with a first sealing ring (9), and the bottom of the connecting plate (19) is provided with a second sealing ring (10).

6. The PEEK sampling needle of claim 1, wherein: the needle tube is characterized in that the bottom of the needle tube (1) is fixedly connected with the connecting block (3), one end of the connecting block (3) is fixedly connected with the protecting block (2), and one end of the protecting block (2) is provided with the needle head (4).