CN210774772U

CN210774772U - Anti-collision sampling needle device

Info

Publication number: CN210774772U
Application number: CN201921725745.9U
Authority: CN
Inventors: 王维金
Original assignee: Anhui Jiulu Biotechnology Co ltd
Current assignee: Anhui Jiulu Biotechnology Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-06-16
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses an anticollision sampling needle device, including sample needle sleeve and sample needle tubing, the fixed slot has been seted up to sample needle sleeve's inside, the spring housing has been cup jointed to sample needle tubing's outside, and sample needle tubing's outside leans on the bottom of spring housing to cup joint the connecting seat, spring housing and connecting seat all set up the inboard at the fixed slot, sample needle sleeve's top is provided with the upper cover, sample needle tubing's one end is connected with the syringe needle, and the one end of syringe needle imbeds sample needle sleeve's bottom inboard, the one end of syringe needle all is provided with the slide with sample needle sleeve's bottom linking department both sides, the top central point of upper cover puts and has seted up the draw-in groove, and the both sides inner wall of draw-in groove all bonds there is the cushion, and the; the utility model discloses can effectually carry out collision avoidance to the syringe needle, avoid the syringe needle to touch hard thing and can not contract and lead to deformation to damage, and can protect sample needle tubing, avoid the folding distortion of sample needle tubing.

Description

Anti-collision sampling needle device

Technical Field

The utility model belongs to the sampling device field relates to the sampling needle device, specifically is an anticollision sampling needle device.

Background

The sampling needle is a device applied to the field of biological research and used for sampling, the sampling needle can sample solid or liquid biomass through a needle head, the sampling needle is used for sampling, the structure and the components of the biomass are convenient to research, and the sampling needle is particularly important to protect due to the problem of specification and size.

The existing sampling needle device has certain disadvantages when in use, the existing sampling needle device lacks measures for protecting the needle head when in use, the needle head can not retract when encountering hard objects during sampling, the needle head is easy to break and bend, the service life of the needle head is short, the needle head can not be well protected, and certain influence is brought to actual use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve current sampling needle device and lack the measure of carrying out the protection to the syringe needle when using, can not return when the syringe needle meets hard thing during the sampling and contracts, lead to the condition of syringe needle rupture and bending easily, lead to the life of syringe needle shorter, can not be better carry out the problem of protection to the syringe needle, and provide an anticollision sampling needle device.

The purpose of the utility model can be realized by the following technical scheme:

an anti-collision sampling needle device comprises a sample needle sleeve and a sampling needle tube, wherein a fixing groove is formed in the sample needle sleeve, a spring sleeve is sleeved outside the sampling needle tube, a connecting seat is sleeved outside the sampling needle tube by means of the bottom of the spring sleeve, the spring sleeve and the connecting seat are arranged on the inner side of the fixing groove, an upper cover is arranged at the top of the sample needle sleeve, one end of the sampling needle tube is connected with a needle head, one end of the needle head is embedded into the inner side of the bottom of the sample needle sleeve, and sliding seats are arranged on two sides of the joint of the one end of the needle head and the bottom of the sample needle sleeve;

a clamping groove is formed in the center of the top of the upper cover, cushion blocks are bonded to the inner walls of the two sides of the clamping groove, and clamping plates are connected to the two ends of the upper cover;

and a guide roller is embedded into the inner wall of one side of the sliding seat, and a fixed shaft is connected between the sliding seat and the guide roller.

Furthermore, the bottom of the connecting seat is contacted with the bottom end of the fixing groove, and the top of the connecting seat is contacted with the bottom of the spring sleeve.

Furthermore, one end of the sampling needle tube penetrates through the inner side of the clamping groove, and the cushion blocks on the inner walls of the two sides of the clamping groove are in contact with the outer wall of the sampling needle tube.

Furthermore, the clamping plate is arranged in an L shape, and a groove matched with the clamping plate is formed in the top of the sample needle sleeve.

Further, every group the quantity of the guide roller of one side embedding installation of slide is three groups, three groups the guide roller is from the top down and is a word equidistance range setting, and the outer wall contact of the outer wall of syringe needle and guide roller.

The utility model has the advantages that: the utility model discloses a cup joint spring housing and connecting seat in the outside of sample needle tubing, the tip of sample needle tubing is connected with the syringe needle, when the syringe needle contacts with hard thing, the syringe needle drives the connecting seat and pushes up the spring housing, the syringe needle retracts under the guide of guide roller, the syringe needle retracts, and then protects the syringe needle, avoids the syringe needle to meet when hard thing can not retract and lead to the condition that deformation appears;

when the needle retracts, the needle is contacted with a guide roller arranged on one side of the sliding seat, the guide roller rotates during the retraction of the needle, so that the friction force between the needle and the surface of the needle is effectively reduced, the needle is prevented from being directly contacted with the sample needle sleeve, the abrasion of the outer wall of the needle is reduced, and the guide roller is arranged for guiding, so that the needle can be quickly reset when the spring sleeve resets after retracting;

set up the cushion in the draw-in groove and contact with the sample needle tubing, made things convenient for the fixed of sample needle tubing on the one hand, on the other hand has avoided the sample needle tubing along with the condition that drops appears with restoring to the throne of syringe needle, has avoided the condition of sample needle tubing and distortion simultaneously, effectually protects the sample needle tubing.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

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

Fig. 2 is a sectional view of the upper cover of the present invention.

Fig. 3 is a cross-sectional view of the slide carriage of the present invention.

In the figure: 1. a sample needle sleeve; 2. fixing grooves; 3. a sampling needle tube; 4. a spring housing; 5. an upper cover; 6. a needle head; 7. a slide base; 8. a card slot; 9. cushion blocks; 10. clamping a plate; 11. a guide roller; 12. a fixed shaft; 13. a connecting seat.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-3, an anti-collision sampling needle device comprises a sample needle sleeve 1 and a sampling needle tube 3, wherein a fixing groove 2 is formed in the sample needle sleeve 1, a spring sleeve 4 is sleeved outside the sampling needle tube 3, a connecting seat 13 is sleeved outside the sampling needle tube 3 by the bottom of the spring sleeve 4, the spring sleeve 4 and the connecting seat 13 are both arranged on the inner side of the fixing groove 2, an upper cover 5 is arranged at the top of the sample needle sleeve 1, a needle 6 is connected to one end of the sampling needle tube 3, one end of the needle 6 is embedded into the inner side of the bottom of the sample needle sleeve 1, sliding seats 7 are arranged on both sides of the joint of one end of the needle 6 and the bottom of the sample needle sleeve 1, when the needle 6 is jacked up, the sliding seats 7 guide the needle 6, and reduce friction between the needle 6 and the sample;

a clamping groove 8 is formed in the center of the top of the upper cover 5, cushion blocks 9 are bonded on the inner walls of the two sides of the clamping groove 8, clamping plates 10 are connected to the two ends of the upper cover 5, the clamping plates 10 are arranged to facilitate clamping and fixing of the upper cover 5, and the upper cover 5 is prevented from falling off;

a guide roller 11 is embedded in one side inner wall of the sliding seat 7, a fixed shaft 12 is connected between the sliding seat 7 and the guide roller 11, and the fixed shaft 12 is arranged to fix the guide roller 11.

The bottom of the connection holder 13 is in contact with the bottom end of the fixing groove 2, and the top of the connection holder 13 is in contact with the bottom of the spring housing 4.

One end of the sampling needle tube 3 penetrates through the inner side of the clamping groove 8, and the cushion blocks 9 on the inner walls of the two sides of the clamping groove 8 are in contact with the outer wall of the sampling needle tube 3.

Cardboard 10 is the setting of L type, and the groove that agrees with mutually with cardboard 10 is seted up at the top of sample needle sleeve 1, and the inslot is gone into to cardboard 10 card, and then fixes upper cover 5.

The number of the guide rollers 11 embedded and installed at one side of each group of sliding seats 7 is three, the three groups of guide rollers 11 are arranged in a straight line at equal intervals from top to bottom, and the outer wall of the needle 6 is in contact with the outer wall of the guide rollers 11.

An anti-collision sampling needle device is provided, when in use, firstly a sampling needle tube 3 passes through a clamping groove 8 at the center of an upper cover 5, a cushion block 9 is contacted with the outer wall of the sampling needle tube 3, then a spring sleeve 4 is sleeved outside the sampling needle tube 3, then a connecting seat 13 is sleeved outside the sampling needle tube 3, the connecting seat 13 is positioned at the bottom of the spring sleeve 4, then a needle 6 is connected to one end of the sampling needle tube 3, the spring sleeve 4 and the connecting seat 13 are put into a fixing groove 2 inside a sample needle sleeve 1, the upper cover 5 is clamped into a groove at the top of the sample needle sleeve 1 through a clamping plate 10, the needle 6 penetrates out from the bottom of the sample needle sleeve 1, the needle 6 is contacted with a guide roller 11 at one side of a sliding seat 7, the needle 6 is inserted into an article to be sampled, when the needle 6 is contacted with a hard object, the needle 6 drives the connecting seat 13 to push the spring sleeve 4 upwards, the needle 6 retracts under the guide of the guide roller 11, the needle 6 retracts, the needle 6 is protected, the situation that the needle 6 cannot retract to cause deformation is avoided, the guide roller 11 is connected with the sliding seat 7 through the fixed shaft 12, and the guide roller 11 rotates when the needle 6 retracts to play a role in guiding.

The utility model discloses a cup joint spring housing 4 and connecting seat 13 in the outside of sample needle tubing 3, the tip of sample needle tubing 3 is connected with syringe needle 6, when syringe needle 6 contacts with hard thing, syringe needle 6 drives connecting seat 13 and pushes up spring housing 4, syringe needle 6 retracts under the guide of guide roller 11, syringe needle 6 retracts, and then protects syringe needle 6, can not retract when avoiding syringe needle 6 to meet hard thing and lead to the situation that deformation appears; when the needle head 6 retracts, the needle head 6 is in contact with a guide roller 11 arranged on one side of the sliding seat 7, the guide roller 11 rotates during the retraction of the needle head 6, so that the friction force between the needle head 6 and the surface of the needle head is effectively reduced, the needle head 6 is prevented from being directly contacted with the sample needle sleeve 1, the abrasion of the outer wall of the needle head 6 is reduced, and the guide roller 11 is arranged for guiding, so that the needle head 6 can be quickly reset when the spring sleeve 4 resets after retracting; set up cushion 9 and sample needle tube 3 in draw-in groove 8 and contact, made things convenient for sample needle tube 3's fixed on the one hand, on the other hand has avoided sample needle tube 3 along with syringe needle 6 return the top with reset the condition that drops appear, avoided the condition of sample needle tube 3 and distortion simultaneously, effectually protect sample needle tube 3.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The anti-collision sampling needle device is characterized by comprising a sample needle sleeve (1) and a sampling needle tube (3), wherein a fixing groove (2) is formed in the sample needle sleeve (1), a spring sleeve (4) is sleeved outside the sampling needle tube (3), a connecting seat (13) is sleeved outside the sampling needle tube (3) by the bottom of the spring sleeve (4), the spring sleeve (4) and the connecting seat (13) are both arranged on the inner side of the fixing groove (2), an upper cover (5) is arranged at the top of the sample needle sleeve (1), one end of the sampling needle tube (3) is connected with a needle head (6), one end of the needle head (6) is embedded into the inner side of the bottom of the sample needle sleeve (1), and sliding seats (7) are arranged on two sides of the joint of one end of the needle head (6) and the bottom of the sample needle sleeve (1);

a clamping groove (8) is formed in the center of the top of the upper cover (5), cushion blocks (9) are bonded to the inner walls of the two sides of the clamping groove (8), and clamping plates (10) are connected to the two ends of the upper cover (5);

and a guide roller (11) is embedded in the inner wall of one side of the sliding seat (7), and a fixed shaft (12) is connected between the sliding seat (7) and the guide roller (11).

2. An anti-collision sampling needle device according to claim 1, characterized in that the bottom of the connecting seat (13) is in contact with the bottom end of the fixing groove (2), and the top of the connecting seat (13) is in contact with the bottom of the spring sleeve (4).

3. An anti-collision sampling needle device according to claim 1, characterized in that one end of the sampling needle tube (3) penetrates through the inner side of the clamping groove (8), and the cushion blocks (9) on the inner walls of the two sides of the clamping groove (8) are in contact with the outer wall of the sampling needle tube (3).

4. An anti-collision sampling needle device according to claim 1, characterized in that the clamping plate (10) is arranged in an L shape, and the top of the sample needle sleeve (1) is provided with a groove matched with the clamping plate (10).

5. An anti-collision sampling needle device according to claim 1, characterized in that the number of the guide rollers (11) embedded and installed on one side of each slide seat (7) is three, the three guide rollers (11) are arranged in a straight line at equal intervals from top to bottom, and the outer wall of the needle head (6) is in contact with the outer wall of the guide rollers (11).