CN217288469U

CN217288469U - Liquid extraction element for medical analytic chemistry

Info

Publication number: CN217288469U
Application number: CN202221072556.8U
Authority: CN
Inventors: 杨英; 陈大雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-08-26
Anticipated expiration: 2032-05-06

Abstract

The utility model relates to the technical field of liquid extraction devices, and discloses a liquid extraction device for medical analysis chemistry; the liquid extraction device for medical analysis chemistry comprises a shell, wherein an extraction mechanism is arranged in an inner cavity of the shell, an extraction tube is arranged on the left side wall of the extraction mechanism, the left end of the extraction tube penetrates through the left side wall of the shell, and the extraction tube is arranged in a conical shape; the device is convenient for pushing out the extraction needle by arranging the ejection spring, the ejection ring, the sleeve and the like to be matched, the residual liquid is mistakenly touched by the manual extraction needle during replacement, and the replacement operation of the extraction needle is convenient for workers.

Description

Liquid extraction element for medical analytic chemistry

Technical Field

The utility model belongs to the technical field of the liquid extraction element, specifically be a liquid extraction element for medical analysis chemistry.

Background

The liquid extractor is a tool commonly used in laboratories, and generally, liquid is transferred from one container to another container through air pressure difference, so that detection tests on liquid components are convenient, liquid detection of chemicals also needs the tool, and medical medicines are often extracted by using a liquid extraction device when analysis is carried out.

Liquid extractor draws the phenomenon that the needle easily takes place to become flexible and drop usually when using, is unfavorable for the staff to draw the operation to liquid, and need change when drawing the liquid in the different degree of depth containers and draw the needle that draws different length, draws during the change that manual drawing draws the needle and probably touches and draw remaining liquid on the needle, is not convenient for change the operation, for this reason, we propose a liquid extraction element for medical analysis chemistry.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a medical analysis is liquid extraction element for chemistry, effectual when having solved the use draw the needle and easily take place not hard up phenomenon that drops, manual drawing draw during the change draw the needle and possibly touch the problem of drawing remaining liquid on the needle.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a medical treatment analysis is liquid extraction element for chemistry, includes the inner chamber of shell is provided with draws the mechanism, the left side wall that draws the mechanism is provided with the extraction tube, the left end of extraction tube runs through the left side wall of shell, the extraction tube is the toper setting, the sleeve pipe has been cup jointed to the outer wall of extraction tube, the sheathed tube left end is provided with draws the needle, the effect groove has all been seted up to the upper and lower both sides of shell left side wall, the inner chamber in effect groove all is provided with the stopper, the right side wall of stopper is located sheathed tube left side wall, both sides the effect inslot all is connected with the effect spring, effect spring both ends respectively with stopper and effect inslot cavity wall connection, the left side wall of shell is provided with ejection mechanism.

Preferably, the ejection mechanism comprises an ejection spring, the left side wall of the shell is provided with an annular groove, the ejection spring is arranged on the right side wall of the annular groove inner cavity, the left end of the ejection spring is provided with an ejection ring, and the ejection ring is located on the right side wall of the sleeve.

Preferably, the front side wall and the rear side wall of the shell are both provided with sliding grooves, inner cavities of the sliding grooves are both provided with pressing blocks, the front side wall and the rear side wall of the pressing blocks are both provided with connecting rods on the upper side and the lower side of the opposite side walls, and the other ends of the connecting rods on the two sides are rotatably connected with the limiting blocks on the two sides respectively.

Preferably, draw the mechanism and include the piston, the piston set up in the inner wall of extraction tube, the right side wall of shell inner chamber is provided with the motor, the output of motor is provided with the threaded rod, the other end of threaded rod set up in the right side wall of extraction tube, the outer wall of threaded rod is provided with removes the frame, the left end that removes the frame runs through the left side wall of extraction tube and set up in the right side wall of piston.

Preferably, the movable frame is arranged in a shape of a letter 21274, and is screwed to the outer wall of the threaded rod.

Preferably, the outer wall of the shell is provided with a holding sleeve, and the holding sleeve is made of rubber.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the liquid extraction device for medical analysis chemistry, the shell, the extraction tube, the sleeve and the like are arranged to be matched, so that the device is convenient for limiting and fixing the sleeve, the extraction needle is prevented from loosening and falling to influence extraction operation during liquid extraction, and the working efficiency is improved;

2. according to the liquid extraction device for medical analysis chemistry, the device is convenient for pushing out the extraction needle by arranging the ejection spring, the ejection ring, the sleeve and the like to be matched, so that the phenomenon that the residual liquid is mistakenly contacted by manually drawing the extraction needle during replacement is avoided, and a worker can conveniently replace the extraction needle;

3. this medical analysis is liquid extraction element for chemistry cooperatees through setting up devices such as pressing briquetting, connecting rod and stopper, can make the device be convenient for promote the stopper and remove and make it relieve the sheathed tube spacing, is favorable to the follow-up change that draws the needle, improves the operating efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the extraction tube of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;

in the figure: 100. a housing; 101. an extraction mechanism; 102. an extraction tube; 103. a sleeve; 104. extracting needles; 105. a limiting block; 106. a grip sleeve; 107. an acting spring; 108. an ejection mechanism; 109. ejecting a spring; 110. an ejection ring; 111. pressing the block; 112. a connecting rod; 114. a piston; 115. a motor; 116. a threaded rod; 117. and a movable frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

By figure 1, figure 2 and figure 3, the utility model relates to a medical analysis is liquid extraction element for chemistry, the inner chamber of shell 100 is provided with draws mechanism 101, draw mechanism 101's left side wall fixedly connected with extraction tube 102, the left end of extraction tube 102 runs through the left side wall of shell 100, extraction tube 102 is the toper setting, sleeve 103 has been cup jointed to the outer wall of extraction tube 102, sleeve 103's left end has been cup jointed and has been drawn needle 104, the upper and lower both sides of shell 100 left side wall have all been seted up and have been acted on the groove, the inner chamber in action groove all sliding connection has stopper 105, the right side wall of stopper 105 is located the left side wall of sleeve 103, both sides all fixedly connected with in the action groove acts on spring 107, act on spring 107 both ends respectively with stopper 105 and act on groove inner chamber wall connection, the left side wall fixedly connected with ejection mechanism 108 of shell 100; the outer wall of the shell 100 is fixedly connected with a holding sleeve 106, a user can conveniently hold the shell by arranging the holding sleeve 106, the device is prevented from slipping and falling to be damaged, and the holding sleeve 106 is made of rubber; the sleeve 103 at the right end of the extraction needle 104 is sleeved to the outer wall of the extraction tube 102, the limit block 105 is pushed to move by the elasticity of the action spring 107, and the limit block 105 moves to the left side wall of the sleeve 103, so that the device can conveniently limit and fix the sleeve 103, and the phenomenon that the extraction needle 104 is loosened and falls off to influence extraction operation when liquid is extracted is avoided, wherein the ejection mechanism 108 comprises an ejection spring 109, the left side wall of the shell 100 is provided with a ring groove, the ejection spring 109 is arranged on the right side wall of the inner cavity of the ring groove, the left end of the ejection spring 109 is fixedly connected with an ejection ring 110, and the ejection ring 110 is positioned on the right side wall of the sleeve 103; the ejection ring 110 is convenient to push to move through the elasticity of the ejection spring 109, the sleeve 103 is ejected through the ejection ring 110, the device is convenient to push the extraction needle 104 out, the situation that the extraction needle 104 is mistakenly touched by pulling manually during replacement is avoided, a worker can conveniently replace the extraction needle 104, sliding grooves are formed in the front side wall and the rear side wall of the shell 100, the inner cavity of each sliding groove is connected with a pressing block 111 in a sliding mode, the upper side and the lower side of the front pressing block 111 and the lower side of the rear pressing block 111 are connected with a connecting rod 112 in a rotating mode, and the other end of the connecting rod 112 on two sides is respectively connected with the limiting blocks 105 on two sides in a rotating mode; the pressing block 111 is pressed to drive the connecting rod 112 to move, the connecting rod 112 drives the limiting block 105 to move, the limiting block 105 is moved to be separated from the left side wall of the sleeve 103, the limiting block 105 is pushed to move to relieve the limiting on the sleeve 103, and the subsequent replacement of the extraction needle 104 is facilitated, the extraction mechanism 101 comprises a piston (114), the piston (114) is connected to the inner wall of the extraction tube (102) in a sliding mode, a motor 115 is fixedly connected to the right side wall of the inner cavity of the shell 100, a threaded rod 116 is fixedly connected to the output end of the motor 115, the other end of the threaded rod (116) is rotatably connected to the right side wall of the extraction tube (102), a moving frame (117) is connected to the outer wall of the threaded rod (116) in a threaded mode, and the left end of the moving frame (117) penetrates through the left side wall of the extraction tube (102) and is fixedly connected to the right side wall of the piston (114); the movable frame 117 is arranged in a shape of a letter-21274, the movable frame 117 is screwed on the outer wall of the threaded rod 116, the letter-21274is arranged to prevent the movable frame 117 from deflecting when the threaded rod 116 rotates to drive the movable frame 117 to move, the motor 115 drives the threaded rod 116 to rotate, the threaded rod 116 drives the movable frame 117 to move, the movable frame 117 moves to drive the piston 114 to move, the piston 114 enables the inner cavity of the extraction tube 102 to form vacuum, liquid flows to the sleeve 103 through the inner cavity of the extraction needle 104, the inner cavity with the sleeve 103 flows to the extraction tube 102, and the extracted liquid is extracted through the inner cavity of the extraction tube 102 for caching.

The working principle is as follows: the sleeve 103 at the right end of the extraction needle 104 is sleeved on the outer wall of the extraction tube 102, the limit block 105 is pushed to move by the elasticity of the action spring 107, the limit block 105 moves to the left side wall of the sleeve 103, so that the device is convenient to limit and fix the sleeve 103, the phenomenon that the extraction needle 104 loosens and falls off to influence the extraction operation when liquid is extracted is avoided, the work efficiency is improved, the pressing block 111 is pressed to drive the connecting rod 112 to move, the limit block 105 is driven to move by the connecting rod 112, the limit block 105 is separated from the left side wall of the sleeve 103 by the movement of the limit block 105, the limit block 105 is pushed to move to release the limit on the sleeve 103, the subsequent extraction needle 104 replacement is facilitated, the ejection ring 110 is pushed to move by the elasticity of the ejection spring 109, the ejection operation is carried out on the sleeve 103 by the ejection ring 110, the device is convenient to push out the extraction needle 104, and the phenomenon that the manual extraction needle 104 mistakenly touches residual liquid when the replacement is carried out is avoided, the staff of being convenient for changes the operation to drawing needle 104, it is rotatory to drive threaded rod 116 through motor 115, drives through threaded rod 116 and removes frame 117 and remove, removes through removing frame 117 and drives piston 114 and remove, makes through piston 114 and draws the formation of tube 102 inner chamber vacuum, and liquid flows to sleeve pipe 103 through the inner chamber that draws needle 104, and the inner chamber that has sleeve pipe 103 flows to drawing tube 102, caches the liquid of drawing through drawing tube 102.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A liquid extraction device for medical analytical chemistry comprising a housing (100), characterized in that: an extracting mechanism (101) is arranged in the inner cavity of the shell (100), an extracting pipe (102) is arranged on the left side wall of the extracting mechanism (101), the left end of the extraction pipe (102) penetrates through the left side wall of the shell (100), the extraction pipe (102) is arranged in a conical shape, a sleeve (103) is sleeved on the outer wall of the extraction pipe (102), an extraction needle (104) is arranged at the left end of the sleeve (103), the upper side and the lower side of the left side wall of the shell (100) are both provided with action grooves, the inner cavities of the action grooves are both provided with limit blocks (105), the right side wall of the limiting block (105) is positioned on the left side wall of the sleeve (103), action springs (107) are connected in the action grooves on the two sides, two ends of the acting spring (107) are respectively connected with the limiting block (105) and the inner cavity wall of the acting groove, and the left side wall of the shell (100) is provided with an ejection mechanism (108).

2. The liquid extraction device for medical analytical chemistry according to claim 1, wherein: the ejection mechanism (108) comprises an ejection spring (109), a ring groove is formed in the left side wall of the shell (100), the ejection spring (109) is arranged on the right side wall of the ring groove inner cavity, an ejection ring (110) is arranged at the left end of the ejection spring (109), and the ejection ring (110) is located on the right side wall of the sleeve (103).

3. The liquid extraction device for medical analytical chemistry according to claim 2, wherein: the front side and the rear side of the left side wall of the shell (100) are both provided with sliding grooves, inner cavities of the sliding grooves are both provided with pressing blocks (111), the front side and the rear side are both provided with connecting rods (112) on the upper side and the lower side of opposite side walls of the pressing blocks (111), and the other ends of the connecting rods (112) on the two sides are respectively rotatably connected with the limiting blocks (105) on the two sides.

4. The liquid extraction device for medical analytical chemistry according to claim 3, wherein: draw mechanism (101) including piston (114), piston (114) set up in the inner wall of drawing pipe (102), the right side wall of shell (100) inner chamber is provided with motor (115), the output of motor (115) is provided with threaded rod (116), the other end of threaded rod (116) set up in the right side wall of drawing pipe (102), the outer wall of threaded rod (116) is provided with removes frame (117), the left end of removing frame (117) runs through the left side wall of drawing pipe (102) and set up in the right side wall of piston (114).

5. The liquid extraction device for medical analysis chemistry according to claim 4, wherein: the movable frame (117) is arranged in a shape of a letter 21274, and the movable frame (117) is screwed on the outer wall of the threaded rod (116).

6. The liquid extraction device for medical analysis chemistry according to claim 1, wherein: the outer wall of the shell (100) is provided with a holding sleeve (106), and the holding sleeve (106) is made of rubber.