CN213131091U - Negative pressure locking device for syringe - Google Patents
Negative pressure locking device for syringe Download PDFInfo
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- CN213131091U CN213131091U CN202020734134.7U CN202020734134U CN213131091U CN 213131091 U CN213131091 U CN 213131091U CN 202020734134 U CN202020734134 U CN 202020734134U CN 213131091 U CN213131091 U CN 213131091U
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- syringe
- groove
- locking device
- negative pressure
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Abstract
The utility model belongs to the syringe field, especially, syringe negative pressure locking device needs extra cutting ferrule to current syringe to lock, and supporting cutting ferrule is lost easily, and is not convenient for lock the syringe of different positions, the relatively poor problem of commonality, now proposes following scheme, and it includes the syringe, slidable mounting has the connecting rod in the syringe, and the one end fixed mounting of connecting rod has the push pedal, is equipped with the fixing base on the syringe, and the through-hole has been seted up to one side of fixing base, and the syringe is installed in the through-hole, two mounting holes have been seted up to one side of fixing base, and equal slidable mounting has the movable plate in two mounting holes, and one side in the push pedal is all installed to one side of two movable plates, and the locking groove has all been seted up. The utility model discloses rational in infrastructure, convenient operation, the locking device of this syringe conveniently locks the push pedal, and is convenient for lock the push pedal of different positions, and the commonality is better.
Description
Technical Field
The utility model relates to a syringe technical field especially relates to a syringe negative pressure locking device.
Background
The injector is a common medical appliance, mainly uses a needle to extract or inject gas or liquid, and can also be used for medical equipment and containers, for example, some scientific instruments in chromatography inject through a rubber diaphragm, the gas is injected into a blood vessel to cause air embolism, the method of removing air from the injector to avoid embolism is to invert and lightly beat the injector, and then extrude a little liquid before injecting into blood stream, as is known, when clinically extracting liquid in a negative pressure cavity such as serosa cavity effusion and drainage liquid, the liquid extraction is difficult due to the existence of negative pressure, and the position of the injector needs to be locked;
however, the existing syringe needs an additional ferrule for locking, the matched ferrule is easy to lose, the syringe at different positions is not convenient to lock, and the universality is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the injector needs to be locked by an additional sleeve in the prior art, the sleeve matched with the injector is easy to lose, the injector at different positions is not convenient to lock, and the injector has the defect of poor universality and provides a negative pressure locking device for the injector.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a negative pressure locking device of an injector comprises an injection tube, wherein a connecting rod is slidably mounted in the injection tube, a push plate is fixedly mounted at one end of the connecting rod, a fixed seat is arranged on the injection tube, a through hole is formed in one side of the fixed seat, the injection tube is mounted in the through hole, two mounting holes are formed in one side of the fixed seat, moving plates are slidably mounted in the two mounting holes, one sides of the two moving plates are mounted on one side of the push plate, locking grooves are formed in the sides, away from each other, of the two moving plates, grooves are formed in the inner walls of one sides of the two mounting holes, locking blocks are slidably mounted in the two grooves, the locking blocks are movably mounted in the corresponding locking grooves, sliding holes are formed in the inner walls of one sides of the two grooves, screw rods are slidably mounted in the two sliding holes, one end, the regulating wheel rotates and installs the one side at the fixing base.
Preferably, the sliding grooves are formed in the inner walls of the two sides of the groove, the sliding blocks are welded to the two sides of the locking block, the sliding blocks are mounted in the corresponding sliding grooves in a sliding mode, the locking block drives the sliding blocks to slide in the sliding grooves when sliding, and the position of the locking block when moving can be stabilized.
Preferably, the annular groove is formed in one side of the fixing seat, the fixing block is fixedly connected to one side of the adjusting wheel, the fixing block is connected with the side wall of the annular groove in a sliding mode, the adjusting wheel is driven to slide in the annular groove when rotating, and the position of the adjusting wheel when rotating can be stabilized.
Preferably, a thread groove is formed in one side of the moving plate, two rotating holes are formed in one side of the pushing plate, bolts are rotatably mounted in the two rotating holes, and the bolts are mounted in the corresponding thread grooves in a threaded mode.
Preferably, a moving groove is formed in one side of the moving plate, a moving block is welded on the inner wall of one side of the mounting hole and is slidably mounted in the moving groove, and the moving block passively slides in the moving groove when the moving plate moves, so that the position of the moving plate during moving can be stabilized.
Compared with the prior art, the beneficial effects of the utility model reside in that:
according to the scheme, the two adjusting wheels are rotated, the screw drives the corresponding locking block to move, the locking block slides out of the corresponding locking groove, so that the fixing limit of the movable plate can be cancelled, the push plate is moved, the connecting rod is pushed to pull the piston in the injection tube, the two adjusting wheels are rotated reversely, the locking block slides into the other locking groove, so that the position of the push plate can be fixed, at the moment, the device starts to bear negative pressure, the bolt is rotated, the bolt rotates in the threaded groove, the fixing of the movable plate on the push plate can be cancelled, and the locking device can be conveniently disassembled;
the utility model discloses rational in infrastructure, convenient operation, the locking device of this syringe conveniently locks the push pedal, and is convenient for lock the push pedal of different positions, and the commonality is better.
Drawings
Fig. 1 is a schematic view of a front view structure provided by the present invention;
fig. 2 is a schematic structural view of part a of the present invention;
fig. 3 is a schematic structural diagram of the injection tube, the fixing seat, the locking block and the adjusting wheel of the present invention.
In the figure: 1. an injection tube; 2. a connecting rod; 3. pushing the plate; 4. a fixed seat; 5. mounting holes; 6. moving the plate; 7. a locking groove; 8. a groove; 9. a locking block; 10. a screw; 11. an adjustment wheel; 12. a slider; 13. a bolt; 14. a thread groove.
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.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.
Referring to fig. 1-3, a syringe negative pressure locking device comprises a syringe 1, a connecting rod 2 is slidably mounted in the syringe 1, a push plate 3 is fixedly mounted at one end of the connecting rod 2, a fixed seat 4 is arranged on the syringe 1, a through hole is formed at one side of the fixed seat 4, the syringe 1 is mounted in the through hole, two mounting holes are formed at one side of the fixed seat 4, moving plates 6 are slidably mounted in the two mounting holes, one sides of the two moving plates 6 are mounted at one side of the push plate 3, locking grooves 7 are formed at the sides of the two moving plates 6 away from each other, grooves 8 are formed on the inner walls of one sides of the two mounting holes 5, locking blocks 9 are slidably mounted in the two grooves 8, the locking blocks 9 are movably mounted in the corresponding locking grooves 7, sliding holes are formed on the inner walls of one sides of the two, one end fixed connection of screw rod 10 is on the locking piece 9 that corresponds, and equal threaded mounting has regulating wheel 11 on two screw rods 10, and regulating wheel 11 rotates and installs the one side at fixing base 4.
In this embodiment, all seted up the spout on the both sides inner wall of recess 8, slider 12 has all been welded to the both sides of locking block 9, and slider 12 slidable mounting drives slider 12 and slides in the spout when locking block 9 slides in the spout that corresponds, can stabilize the position when locking block 9 removes.
In this embodiment, an annular groove is provided on one side of the fixing base 4, a fixing block is fixedly connected to one side of the adjusting wheel 11, the fixing block is slidably connected to a side wall of the annular groove, and the adjusting wheel 11 drives the fixing block to slide in the annular groove when rotating, so that the position of the adjusting wheel 11 when rotating can be stabilized.
In this embodiment, a thread groove is formed in one side of the moving plate 6, two rotating holes are formed in one side of the pushing plate 3, a bolt 13 is rotatably mounted in each of the two rotating holes, and the bolt 13 is threadedly mounted in the corresponding thread groove.
In this embodiment, a moving groove is formed in one side of the moving plate 6, a moving block is welded to the inner wall of one side of the mounting hole 5, the moving block is slidably mounted in the moving groove, and the moving block passively slides in the moving groove when the moving plate 6 moves, so that the position of the moving plate 6 during moving can be stabilized.
In the embodiment, by rotating the two adjusting wheels 11, the adjusting wheels 11 drive the corresponding screw rods 10 to move, the screw rods 10 drive the corresponding locking blocks 9 to move, the locking blocks 9 slide in the corresponding grooves 8, the locking blocks 9 slide out of the corresponding locking grooves 7, so that the fixing limit of the moving plate 6 can be cancelled, the push plate 3 is moved, the push plate 3 drives the connecting rod 2 to move, the connecting rod 2 starts to pull and pull the piston in the injection tube 1, the two adjusting wheels 11 are rotated reversely, the adjusting wheels 11 drive the corresponding locking blocks 9 to reset and move, the locking blocks 9 slide into the other locking grooves 7, so that the position of the push plate 3 can be fixed, at the moment, the device starts to bear negative pressure, the bolt 13 is rotated, the bolt 13 rotates in the thread groove 14, so that the bolt 13 slides out of the thread groove 14, the fixing of the moving plate 6; the utility model discloses rational in infrastructure, convenient operation, the locking device of this syringe conveniently locks push pedal 3, and is convenient for lock the push pedal 3 of different positions, and the commonality is better.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
Claims (5)
1. The negative pressure locking device for the injector comprises an injection tube (1) and is characterized in that a connecting rod (2) is arranged in the injection tube (1) in a sliding manner, a push plate (3) is fixedly arranged at one end of the connecting rod (2), a fixed seat (4) is arranged on the injection tube (1), a through hole is formed in one side of the fixed seat (4), the injection tube (1) is arranged in the through hole, two mounting holes are formed in one side of the fixed seat (4), a movable plate (6) is arranged in the two mounting holes in a sliding manner, one side of each movable plate (6) is arranged at one side of the push plate (3), a locking groove (7) is formed in one side, away from each other, of the two movable plates (6), a groove (8) is formed in the inner wall of one side of each mounting hole (5), a locking block (9) is arranged in each groove (8) in a sliding, all seted up the slide opening on the one side inner wall of two recesses (8), equal slidable mounting has screw rod (10) in two slide openings, and the one end fixed connection of screw rod (10) is on locking block (9) that correspond, and equal threaded mounting has regulating wheel (11) on two screw rods (10), and regulating wheel (11) rotate and install the one side at fixing base (4).
2. The negative pressure locking device for the syringe as claimed in claim 1, wherein sliding grooves are formed on the inner walls of the two sides of the groove (8), sliding blocks (12) are welded on the two sides of the locking block (9), and the sliding blocks (12) are slidably mounted in the corresponding sliding grooves.
3. The negative pressure locking device for the syringe as claimed in claim 1, wherein an annular groove is formed in one side of the fixed seat (4), a fixed block is fixedly connected to one side of the adjusting wheel (11), and the fixed block is slidably connected with a side wall of the annular groove.
4. The negative pressure locking device for the syringe as claimed in claim 1, wherein one side of the moving plate (6) is provided with a threaded groove, one side of the pushing plate (3) is provided with two rotating holes, each rotating hole is rotatably provided with a bolt (13), and the bolts (13) are threadedly arranged in the corresponding threaded grooves.
5. The negative pressure locking device for the syringe as claimed in claim 1, wherein a moving groove is formed on one side of the moving plate (6), a moving block is welded on the inner wall of one side of the mounting hole (5), and the moving block is slidably mounted in the moving groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020734134.7U CN213131091U (en) | 2020-05-07 | 2020-05-07 | Negative pressure locking device for syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020734134.7U CN213131091U (en) | 2020-05-07 | 2020-05-07 | Negative pressure locking device for syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213131091U true CN213131091U (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020734134.7U Active CN213131091U (en) | 2020-05-07 | 2020-05-07 | Negative pressure locking device for syringe |
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| Country | Link |
|---|---|
| CN (1) | CN213131091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883289A (en) * | 2021-09-13 | 2022-01-04 | 盐城欧润石化设备制造有限公司 | Petroleum machinery valve with limiting function |
-
2020
- 2020-05-07 CN CN202020734134.7U patent/CN213131091U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883289A (en) * | 2021-09-13 | 2022-01-04 | 盐城欧润石化设备制造有限公司 | Petroleum machinery valve with limiting function |
| CN113883289B (en) * | 2021-09-13 | 2022-07-15 | 盐城欧润石化设备制造有限公司 | Petroleum machinery valve with limiting function |
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