CN213964656U - Clamping mechanism of needle tube pull rod - Google Patents
Clamping mechanism of needle tube pull rod Download PDFInfo
- Publication number
- CN213964656U CN213964656U CN202021931750.8U CN202021931750U CN213964656U CN 213964656 U CN213964656 U CN 213964656U CN 202021931750 U CN202021931750 U CN 202021931750U CN 213964656 U CN213964656 U CN 213964656U
- Authority
- CN
- China
- Prior art keywords
- arc
- pull rod
- handle
- screw rod
- clamping plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the field of needle tubes, and discloses a clamping mechanism of a needle tube pull rod, which comprises an injector and a rotary connecting piece, wherein the lower end of the injector is provided with a connector, the lower end of the connector is provided with a needle tube, the injector is internally provided with a pull rod, the left part outside the upper part of the pull rod is provided with a left arc-shaped clamping plate, the right side of the left arc-shaped clamping plate is provided with a right arc-shaped clamping plate, the left end of the left arc-shaped clamping plate is provided with a fixed sleeve, the left end of the connecting sleeve is provided with a screw rod, the left end of the screw rod is provided with a handle, the inner end wall of the handle is provided with a mounting hole, the left side wall at the rear part of the right arc-shaped clamping plate is fixedly connected with the connecting sleeve, the screw rod can rotate and move through the handle until a buffer layer contacts with the pull rod, and simultaneously contacts with the pull rod to clamp the buffer layers at the two sides, the handle and the arc-shaped clamping plate are limited and fixed at the current position, when a worker uses, the hand can hold the handle to use the injector, so that the force required by the hand is reduced, and the use comfort is improved.
Description
Technical Field
The utility model relates to a needle tubing field specifically is a fixture of needle tubing pull rod.
Background
The appearance of syringes, which are an epoch-making revolution in the field of medical devices, is that the process of extracting and injecting gas or liquid with a needle is called injection, and the syringes are composed of a needle tube with a small hole at the front end and a matched piston core rod and are used for injecting a small amount of liquid or injecting the liquid into an area which cannot be accessed by other methods or extracting the liquid or the gas from the area, wherein the liquid or the gas is sucked from the small hole at the front end of the needle tube when the core rod is extracted, and the liquid or the gas is extruded when the core rod is pushed in.
Among the prior art, syringe needle tubing pull rod does not have fixture, and because the pull rod is very thin, when the staff used the syringe, need the long-time hand power to pull the pull rod, causes staff's hand fatigue, and stability is not high, leads to its use comfort to reduce to current holder for the syringe can not dismantle, occupies a large amount of spaces when leading to the syringe to deposit, leads to it can not carry in a large number, and reduces its practicality.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a fixture of needle tubing pull rod possesses convenient to use, and convenient to detach and portable advantage such as have solved the problem that the background art provided.
(II) technical scheme
For realizing above-mentioned convenient to use, convenient to detach and portable's purpose, the utility model provides a following technical scheme: a clamping mechanism of a needle tube pull rod comprises an injector and a rotary connecting piece, wherein a connector is installed at the lower end of the injector, a needle tube is installed at the lower end of the connector, the pull rod is installed in the injector, a left arc-shaped clamping plate is installed at the left part of the outer side of the upper part of the pull rod, a right arc-shaped clamping plate is installed at the right side of the left arc-shaped clamping plate, a fixing sleeve is installed at the left end of the left arc-shaped clamping plate, a screw rod is installed at the left end of the connecting sleeve, a handle is installed at the left end of the screw rod, an installation hole is formed in the inner end wall of the handle, a connecting sleeve is fixedly connected to the left side wall of the rear part of the right arc-shaped clamping plate, a fixing sleeve is fixedly connected to the right side wall of the, the right arc clamping plate is characterized in that a wedge-shaped block is arranged on the left side wall of the front group of the right arc clamping plate, a sliding groove is formed in the front side wall of the right arc clamping plate, and a pushing block is arranged in the sliding groove.
Preferably, the rotating connecting piece is arranged at the rear connecting part of the left arc-shaped clamping plate and the right arc-shaped clamping plate, the left arc-shaped clamping plate and the right arc-shaped clamping plate are movably connected through the rotating connecting piece, and when the clamping device is used, the left arc-shaped clamping plate and the right arc-shaped clamping plate can be separated and combined to sleeve the pull rod on the inner side.
Preferably, the handle passes through the screw rod and installs the left side wall at left arc grip block, and the screw rod runs through left arc grip block left side wall right-hand member and installs the roof, and during the use, manual handle rotates, can make the roof contact the pull rod, with pull rod left side wall top tight.
Preferably, the buffer layer diameter is less than the roof diameter, and buffer layer and roof fixed connection, and during the use, the roof is close the pull rod, by the buffer layer at first contact the pull rod, and moves to the inboard simultaneously through the roof of the left and right sides, carries out the centre gripping with the pull rod, can be with controlling two fixed spacing current positions of arc grip block.
Preferably, the screw rod passes through in the mounting hole installation gets into the handle, and screw rod and handle threaded connection, during the use, splices handle and screw rod, and then manual handle rotates, can make the screw rod rotate while forward movement, with the pull rod centre gripping, the staff can hold the handle at this moment and use the syringe, improves use comfort.
Preferably, the right side arc grip block is anterior to be connected through the draw-in groove chucking on wedge and the left side arc grip block right side wall, and the ejector pad runs through spout and wedge rear end fixed connection, and during the use, manual ejector pad can follow the draw-in groove internal contraction with the wedge, can take off left side arc grip block and right side arc grip block split this moment, reduces the syringe occupation space from the pull rod.
(III) advantageous effects
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. this kind of fixture of needle tubing pull rod can contact the pull rod until the buffer layer with screw rod rotary motion through the handle, and both sides buffer layer contacts the pull rod simultaneously and with its centre gripping, and handle and arc grip block are spacing to be fixed at the current position this moment, and when the staff used, can hold the handle and use the syringe, reduces the required dynamics of hand, improves use comfort.
2. This kind of fixture of needle tubing pull rod through the relation of connection between handle and the screw rod, can reduce syringe occupation space with handle and screw rod split to can dismantle it from the syringe through ejector pad about with two arc splits, reduce its occupation space, be convenient for deposit the syringe, and portable.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a right-middle arc-shaped holding plate of the present invention;
fig. 3 is a schematic structural view of the middle grip of the present invention.
In the figure: 1. an injector; 2. a connector; 3. a needle tube; 4. a pull rod; 5. a left arc-shaped clamping plate; 6. a right arc-shaped clamping plate; 61. connecting a sleeve; 62. fixing a sleeve; 63. a chute; 7. rotating the connecting piece; 8. a grip; 81. mounting holes; 9. a wedge block; 91. a push block; 11. a screw; 111. a top plate; 112. a buffer layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, a clamping mechanism for a needle tube pull rod comprises an injector 1 and a rotary connecting piece 7, wherein a connector 2 is installed at the lower end of the injector 1, a needle tube 3 is installed at the lower end of the connector 2, a pull rod 4 is installed in the injector 1, a left arc-shaped clamping plate 5 is installed at the left part of the outer side of the upper part of the pull rod 4, a right arc-shaped clamping plate 6 is installed on the right side of the left arc-shaped clamping plate 5, a fixing sleeve 62 is installed at the left end of the left arc-shaped clamping plate 5, a screw rod 11 is installed at the left end of a connecting sleeve 61, a handle 8 is installed at the left end of the screw rod.
Rotate connecting piece 7 and install in left arc grip block 5 and the 6 rear portion junctions of right arc grip block, and left arc grip block 5 and right arc grip block 6 are through rotating connecting piece 7 swing joint, and during the use, left arc grip block 5 and right arc grip block 6 can divide and shut, cover pull rod 4 inboard.
Example 2
Based on embodiment 1, as shown in fig. 1-3, fixedly connected with adapter sleeve 61 on the 6 rear portion left side walls of right side arc splint, the fixed cover 62 of fixedly connected with on the 6 right side walls of right side arc splint, install screw rod 11 in the fixed cover 62, handle 8 is installed to the 11 right-hand members of screw rod, the 11 left end fixedly connected with roof 111 of screw rod, install buffer layer 112 on the roof 111 inside wall, the anterior left side wall mounting of group of right side arc splint 6 has wedge 9, be equipped with spout 63 on the wall before the right side arc splint 6, install ejector pad 91 in the spout 63.
The diameter of the buffer layer 112 is smaller than that of the top plate 111, the buffer layer 112 is fixedly connected with the top plate 111, when the clamping device is used, the top plate 111 approaches the pull rod 4, the buffer layer 112 firstly contacts the pull rod 4, the pull rod 4 is simultaneously moved inwards through the top plates 111 on the left side and the right side, the pull rod 4 is clamped, and the left arc-shaped clamping plate and the right arc-shaped clamping plate can be fixed and limited at the current positions.
The screw rod 11 is installed through the mounting hole 81 and enters the handle 8, the screw rod 11 is in threaded connection with the handle 8, the handle 8 is spliced with the screw rod 11 during use, then the manual handle 8 rotates, the screw rod 11 can be rotated and moved forwards simultaneously, the pull rod 4 is clamped, and at the moment, a worker can hold the handle 8 with hands to use the injector 1, so that the use comfort is improved.
The right side arc splint 6 is anterior to be connected through the draw-in groove chucking on wedge 9 and the 5 right side walls of left arc splint, and ejector pad 91 runs through spout 63 and the 9 rear end fixed connection of wedge, and during the use, manual ejector pad 91 can follow the draw-in groove internal contraction with wedge 9, can take off from pull rod 4, reduces syringe 1 occupation space with left arc splint 5 and the 6 splits of right arc splint this moment.
The working principle is as follows: the rotating connecting piece 7 is arranged at the rear connecting part of the left arc-shaped clamping plate 5 and the right arc-shaped clamping plate 6, and the left arc-shaped clamping plate 5 and the right arc-shaped clamping plate 6 are movably connected through the rotating connecting piece 7, when in use, the left arc-shaped clamping plate 5 and the right arc-shaped clamping plate 6 can be separated and combined, the pull rod 4 is sleeved on the inner side, the handle 8 is arranged on the left side wall of the left arc-shaped clamping plate 5 through the screw rod 11, and the screw rod 11 penetrates through the right end of the left side wall of the left arc-shaped clamping plate 5 to be provided with the top plate 111, when in use, the handle 8 is manually rotated, so that the top plate 111 can be contacted with the pull rod 4, the left side wall of the pull rod 4 is tightly pressed, the diameter of the buffer layer 112 is smaller than that of the top plate 111, and the buffer layer 112 is fixedly connected with the top plate 111, when in use, the top plate 111 is close to the pull rod 4, the buffer layer 112 is firstly contacted with the pull rod 4, and simultaneously moves inwards through the top plates 111 on the left side and the right side, so as to clamp the pull rod 4, can be with controlling two fixed spacing in the current position of arc grip block, screw rod 11 passes through mounting hole 81 installation and gets into in the handle 8, and screw rod 11 and 8 threaded connection of handle, during the use, splice handle 8 and screw rod 11, then manual handle 8 rotates, can make screw rod 11 rotate and move forward simultaneously, with the 4 centre grippings of pull rod, the staff can hold handle 8 this moment and use syringe 1, and use comfort is improved, right side arc grip block 6 is anterior to be connected through the draw-in groove chucking on wedge 9 and the 5 right side walls of left arc grip block, and ejector pad 91 runs through spout 63 and 9 rear end fixed connection of wedge, during the use, manual ejector pad 91 can be with wedge 9 from the draw-in groove internal contraction, can be with left arc grip block 5 and the 6 splits of right arc grip block this moment, take off from pull rod 4, reduce syringe 1 shared space.
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 (6)
1. The utility model provides a fixture of needle tubing pull rod, includes syringe (1) and rotation connecting piece (7), its characterized in that: connector (2) is installed to syringe (1) lower extreme, needle tubing (3) is installed to connector (2) lower extreme, install pull rod (4) in syringe (1), left arc grip block (5) is installed to pull rod (4) upper portion outside left part, right arc grip block (6) is installed on left side arc grip block (5) right side, fixed cover (62) is installed to left side arc grip block (5) left end, screw rod (11) is installed to connecting sleeve (61) left end, handle (8) is installed to screw rod (11) left end, be equipped with mounting hole (81) on the inner endwall of handle (8), fixedly connected with connecting sleeve (61) on the left sidewall of right arc grip block (6) rear portion, fixedly connected with fixed cover (62) on right sidewall of right arc grip block (6), install screw rod (11) in fixed cover (62), handle (8) are installed to screw rod (11) right-hand member, screw rod (11) left end fixedly connected with roof (111), install buffer layer (112) on roof (111) inside wall, the anterior group of right side arc holding plate (6) left side wall mounting has wedge (9), be equipped with spout (63) before right side arc holding plate (6) on the lateral wall, install ejector pad (91) in spout (63).
2. The needle cannula pull rod clamping mechanism of claim 1, wherein: the rotary connecting piece (7) is arranged at the rear connecting part of the left arc-shaped clamping plate (5) and the right arc-shaped clamping plate (6), and the left arc-shaped clamping plate (5) is movably connected with the right arc-shaped clamping plate (6) through the rotary connecting piece (7).
3. The needle cannula pull rod clamping mechanism of claim 1, wherein: handle (8) are installed at the left side wall of left arc grip block (5) through screw rod (11), and screw rod (11) run through left arc grip block (5) left side wall right end and install roof (111).
4. The needle cannula pull rod clamping mechanism of claim 1, wherein: the diameter of the buffer layer (112) is smaller than that of the top plate (111), and the buffer layer (112) is fixedly connected with the top plate (111).
5. The needle cannula pull rod clamping mechanism of claim 1, wherein: the screw rod (11) is installed into the handle (8) through the installation hole (81), and the screw rod (11) is in threaded connection with the handle (8).
6. The needle cannula pull rod clamping mechanism of claim 1, wherein: the front part of the right arc-shaped clamping plate (6) is connected with a clamping groove on the right side wall of the left arc-shaped clamping plate (5) in a clamping manner through a wedge-shaped block (9), and a pushing block (91) penetrates through a sliding groove (63) and is fixedly connected with the rear end of the wedge-shaped block (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021931750.8U CN213964656U (en) | 2020-09-07 | 2020-09-07 | Clamping mechanism of needle tube pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021931750.8U CN213964656U (en) | 2020-09-07 | 2020-09-07 | Clamping mechanism of needle tube pull rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213964656U true CN213964656U (en) | 2021-08-17 |
Family
ID=77254306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021931750.8U Active CN213964656U (en) | 2020-09-07 | 2020-09-07 | Clamping mechanism of needle tube pull rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213964656U (en) |
-
2020
- 2020-09-07 CN CN202021931750.8U patent/CN213964656U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213964656U (en) | Clamping mechanism of needle tube pull rod | |
| CN210401807U (en) | Optical lens assembling equipment capable of fixing materials | |
| CN209004879U (en) | Syringe pump | |
| CN106041447B (en) | Feeding device for medical pump connecting pipe | |
| CN214969911U (en) | Hemodialysis combined hemoperfusion treatment device | |
| CN213491066U (en) | Clamping mechanism of needle tube | |
| CN210963387U (en) | Needle cap and syringe capable of preventing back sleeve puncture | |
| CN108340151A (en) | Feeding device | |
| CN213611468U (en) | Catheter fixing device for liquid chromatograph | |
| CN215586548U (en) | Clamping mechanism convenient for concentric fixation of test tubes | |
| CN217925857U (en) | Sampling tool for oil field | |
| CN220261035U (en) | Clamping assembly of manipulator | |
| CN215840938U (en) | Hand-held electronic dispensing injector for beauty | |
| CN214970369U (en) | Syringe suction assist device | |
| CN108421155B (en) | Oral cavity medicine feeding device | |
| CN219127973U (en) | Portable medicine applicator | |
| CN214706879U (en) | Wire combing device | |
| CN219763628U (en) | Rabbit ear edge intravenous injection auxiliary fixing device | |
| CN219578966U (en) | Cannula forceps | |
| CN216876722U (en) | Follow-on veterinary drencher | |
| CN215728484U (en) | Three-coaxial-method device for testing shielding effectiveness of high-voltage cable of new energy automobile | |
| CN218397301U (en) | Centering assistor for processing agricultural combined multi-path main control pump body | |
| CN218515974U (en) | Injection negative pressure suction equipment with seal structure | |
| CN218378222U (en) | Face guard connects seal assembly | |
| CN213636186U (en) | Battery assembly of anesthetic sprayer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |