CN215460918U - Spiral hand-operated injection pump - Google Patents
Spiral hand-operated injection pump Download PDFInfo
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- CN215460918U CN215460918U CN202121559575.9U CN202121559575U CN215460918U CN 215460918 U CN215460918 U CN 215460918U CN 202121559575 U CN202121559575 U CN 202121559575U CN 215460918 U CN215460918 U CN 215460918U
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- push
- injector
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Abstract
The utility model discloses a spiral hand-operated injection pump, which relates to the technical field of medical instruments and comprises a base, wherein an injection groove is formed in the middle of the left side of the base, an injector is placed in an inner cavity of the injection groove, a clamping belt is fixedly connected to the side wall of the back of the base, a magic tape is arranged on the front side wall of the base, the clamping belt is in adhesive connection with the magic tape, and a propelling bin is formed in the right side of the upper end face of the base. The screw sleeve is driven to move by the lead screw, the pushing rod end of the injector is fixed by matching the first pushing block, the second pushing block, the rear pushing block and the front pushing block, and the fixing effect of the device is further enhanced by matching the second pushing block, the spring telescopic rod and the extrusion block in the moving process of the screw sleeve, so that the stability of the device during injection is improved, and the threaded sleeve can be limited by sliding the extrusion block in the first sliding groove and the second sliding groove, so that the stability of the device is further improved.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a spiral hand-operated injection pump.
Background
The injection pump is a device for pushing a piston of an injector to inject and transfuse liquid so as to realize high-precision, stable and pulsation-free liquid transmission.
At present, the hand syringe pump that has now on the market is fixed the syringe well through plus fastener, and the structure is complicated, and fixed effect is relatively poor, installs moreover and dismantles the syringe and all is more troublesome to extra work load before having increased the operation for the user.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that in the prior art, the positive injector is fixed through an additional fastener, the structure is complex, and the effect is poor; and the installation and the disassembly of the injector are troublesome, and the problem of extra workload is increased, thereby providing the spiral hand-operated injection pump.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a spiral hand-operated injection pump comprises a base, wherein an injection groove is formed in the middle of the left side of the base, an injector is placed in an inner cavity of the injection groove, a clamping belt is fixedly connected to the side wall of the back of the base, a magic tape is arranged on the front side wall of the base, the clamping belt is in adhesive connection with the magic tape, and a propelling bin is formed in the right side of the upper end face of the base;
the improved push-type rotary compressor is characterized in that a first sliding groove is formed in the upper portion of the two side walls of the inner cavity of the propulsion bin, a second sliding groove is formed in the upper portion of the first sliding groove, a lead screw is connected to the bottom of the inner cavity of the propulsion bin in a rotating mode, the lead screw is located on one end of the outer side of the base and fixedly connected with a rotating wheel, a threaded sleeve is connected to the outer side of the lead screw in a threaded mode, a first push block and a second push block are connected to the upper surface of the threaded sleeve respectively, and the first sliding groove is connected with a propulsion plate in a sliding mode.
Preferably, third chutes are formed in two sides of the upper surface of the pushing plate, and inner cavities of the third chutes are respectively connected with a front pushing plate and a rear pushing plate in a sliding manner.
Preferably, the top end of the syringe tube part is attached to the side wall of the propelling bin, and the end of the propelling rod of the syringe is fixed between the front push plate and the rear push plate.
Preferably, the top of the first push block and the top of the second push block are longer than the lower part of the first push block, the top of the first push block is attached to the rear push plate, and the top of the second push block is attached to the front push plate.
Preferably, the first chute and the inner cavity of the second chute are connected with an extrusion block in a sliding mode at the same side, a spring telescopic rod is fixedly connected to the right side wall of the extrusion block, and the other end of the spring telescopic rod is fixedly connected with the second push block.
Preferably, the screw rod is parallel to the injection groove and the axis of the spring telescopic rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. the screw sleeve is driven to move by the lead screw, the first push block or the second push block can extrude the rear push plate or the front push plate, the end of the pushing rod of the injector is clamped and fixed, the spring telescopic rod is extruded by the second push block in the moving process of the screw sleeve, the extruding block is enabled to press the end of the injector pipe, the fixing effect of the device is further enhanced, the stability of the device during injection is improved, the screw sleeve can be limited by the fact that the extruding block slides in the first sliding groove and the second sliding groove, the screw sleeve is prevented from deviating when rotating along with the lead screw, and therefore the stability of the device is further improved.
2. The third sliding groove is matched with the front push plate and the rear push plate, and the gap between the front push plate and the rear push plate can be compressed by using the propelling force generated by the propelling of the rotary screw rod, so that the propelling end of the injector can be conveniently fixed without a complex fixing mechanism, the fastening work is finished, and the fixing time required by the injector is saved.
Drawings
FIG. 1 is a front view of a screw-type hand-operated syringe pump according to the present invention;
FIG. 2 is a schematic rear view of a screw-type hand-operated syringe pump according to the present invention;
fig. 3 is a schematic diagram of a half-section structure of a propelling bin of a spiral hand-operated injection pump provided by the utility model.
In the figure: the injection machine comprises a base 1, an injection groove 2, an injector 3, a clamping belt 4, a magic tape 41, a propelling bin 42, a first chute 43, a second chute 44, a screw rod 5, a rotating wheel 51, a thread bushing 6, a first pushing block 61, a second pushing block 62, a propelling plate 7, a third chute 71, a front pushing plate 72, a rear pushing plate 73, an extrusion block 8 and a telescopic spring rod 81.
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 a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 and 2, the spiral hand-operated injection pump comprises a base 1, wherein an injection groove 2 is formed in the middle of the left side of the base 1, an injector 3 is placed in an inner cavity of the injection groove 2, a clamping belt 4 is fixedly connected to the side wall of the back side of the base 1, a magic tape 41 is arranged on the front side wall of the base 1, the clamping belt 4 is in adhesive connection with the magic tape 41, and a propelling bin 42 is formed in the right side of the upper end face of the base 1;
referring to fig. 3, the first sliding grooves 43 are formed in the upper portions of the two side walls of the inner cavity of the propulsion bin 42, the second sliding grooves 44 are formed in the two side walls of the inner cavity of the propulsion bin 42 and located above the first sliding grooves 43, the bottom of the inner cavity of the propulsion bin 42 is rotatably connected with the screw rod 5, the screw rod 5 is fixedly connected with a rotating wheel 51 located at one end of the outer side of the base 1, the outer side of the screw rod 5 is in threaded connection with the threaded sleeve 6, the upper surface of the threaded sleeve 6 is respectively connected with the first pushing block 61 and the second pushing block 62, and the inner cavities of the first sliding grooves 43 on the two sides are slidably connected with the propulsion plate 7.
Through the setting of above-mentioned structure, not only improved the device's stability, it is all more swift to install and dismantle the syringe through the device moreover, and it is also simpler when the user carries out the injection operation again.
Referring to fig. 3, both sides of the upper surface of the pushing plate 7 are provided with third sliding grooves 71, and the inner cavity of the third sliding grooves 71 is slidably connected with a front pushing plate 72 and a rear pushing plate 73 respectively;
through the arrangement of the third sliding groove 71, the front push plate 72 and the rear push plate 73, the gap between the front push plate 72 and the rear push plate 73 can be expanded, so that the pushing end of the injector can be conveniently placed between the front push plate 72 and the rear push plate 73, and the installation time is saved.
Referring to fig. 1 and 2, the top end of the tube of the injector 3 is attached to the side wall of the pushing chamber 42, and the pushing rod end of the injector 3 is fixed between the front push plate 72 and the rear push plate 73;
the top end of the tube part of the injector 3 is attached to the side wall of the pushing bin 42, and the pushing rod end of the injector 3 is fixed between the front push plate 72 and the rear push plate 73, so that the stability of the injector 3 during injection can be ensured.
Referring to fig. 3, the tops of the first pushing block 61 and the second pushing block 62 are longer than the lower portions, the top of the first pushing block 61 is attached to the rear pushing plate 73, and the top of the second pushing block 62 is attached to the front pushing plate 72;
by attaching the top of the first push block 61 to the rear push plate 73 and attaching the top of the second push block 62 to the front push plate 72, then driving the threaded sleeve 6 to move horizontally through the screw 5, when the device is in a pushing state, the threaded sleeve 6 drives the first push block 61 to extrude the rear push plate 73, so that the distance between the front push plate 72 and the rear push plate 73 is reduced, and the pushing rod end of the injector 3 between the front push plate 72 and the rear push plate 73 is clamped and fixed; similarly, when the device is in a drawing state, the threaded sleeve 6 carries the second push block 62 to press the front push plate 72, so that the push rod end of the injector 3 is clamped and fixed again, and the stability of the push rod end of the injector 3 during injection of the device is improved.
Referring to fig. 1 and 2, the inner cavities of the first sliding chute 43 and the second sliding chute 44 on the same side are slidably connected with an extrusion block 8, the right side wall of the extrusion block 8 is fixedly connected with a spring telescopic rod 81, and the other end of the spring telescopic rod 81 is fixedly connected with the second push block 62;
through the arrangement of the squeezing block 8 and the telescopic spring rod 81, when the device is in a pushing state, the threaded sleeve 6 carries the second pushing block 62 to move towards the tube part of the injector 3, so that the second pushing block 62 can squeeze the telescopic spring rod 81, and the pressing force is transmitted to the extrusion block 8 by the telescopic spring rod 81, so that the extrusion block 8 slides to the tube part of the injector 3 through the first chute 43 and the second chute 44, when the second pushing block 62 continues to push, a larger pressing force is transmitted to the squeezing block 8 through the telescopic spring rod 81, thereby improving the fixing effect of the device on the tube part of the injector 3, improving the stability of the device when in injection, fixing the device without a complex fixing mechanism and only applying propelling force, the fastening effect can be finished, the fixing time required by the injector 3 is saved, and the working efficiency is improved; because the extrusion block 8 slides in the first sliding chute 43 and the second sliding chute 44, the threaded sleeve 6 can be limited, and the threaded sleeve 6 is prevented from deviating when rotating along with the screw rod 5, so that the injector 3 is damaged due to unbalanced stress when being pushed, and the stability of the device is improved.
Referring to fig. 2, the screw rod 5 is parallel to the injection groove 2 and the axis of the spring telescopic rod 81;
the axis of the screw rod 5 is parallel to the axis of the injection groove 2 and the axis of the spring telescopic rod 81, so that the injector 3 can be uniformly stressed when being pushed, and the stability of the device when being pushed for injection is ensured.
In the utility model, when in use, the pushing plate 7 is moved to the lower part of the pushing rod end of the injector 3 in advance, then the injector 3 is placed in the injection groove 2, the pipe part of the injector 3 is fixed through the adhesive connection of the clamping belt 4 and the magic tape 41, then the rotating wheel 51 is rotated to drive the screw rod 5 to rotate, when the device is in a pushing state, the threaded sleeve 6 firstly extrudes the rear pushing plate 73 with the first pushing block 61, so that the distance between the front pushing plate 72 and the rear pushing plate 73 is reduced, the pushing rod end of the injector 3 between the front pushing plate 72 and the rear pushing plate 73 is clamped and fixed, and simultaneously, the threaded sleeve 6 drives the second pushing block 62 to move towards the pipe part of the injector 3, so that the second pushing block 62 can extrude the telescopic spring rod 81, the extruding force is transmitted to the extruding block 8 through the telescopic spring rod 81, and the extruding block 8 can slide to the pipe part of the injector 3 through the first sliding groove 43 and the second sliding groove 44, when the second push block 62 continues to be pushed forward, a larger extrusion force is transmitted to the extrusion block 8 through the spring telescopic rod 81, so that the fixing effect of the device on the pipe part of the injector 3 is improved, the stability of the device during injection is improved, the device is not fixed by a complex fixing mechanism, only a pushing force is applied, the fastening effect can be completed, the fixing time required by the injector 3 is saved, and the working efficiency is improved;
and because the extrusion block 8 slides in the first chute 43 and the second chute 44, the threaded sleeve 6 can be limited, and the threaded sleeve 6 is prevented from deviating when rotating along with the screw rod 5, so that the injector 3 is damaged due to unbalanced stress when being pushed, and the stability of the device is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A spiral hand-operated injection pump comprises a base (1) and is characterized in that an injection groove (2) is formed in the middle of the left side of the base (1), an injector (3) is placed in an inner cavity of the injection groove (2), a clamping belt (4) is fixedly connected to the side wall of the back side of the base (1), a magic tape (41) is arranged on the front side wall of the base (1), the clamping belt (4) is in adhesive connection with the magic tape (41), and a propelling bin (42) is formed in the right side of the upper end face of the base (1);
first spout (43) in propulsion storehouse (42) inner chamber both sides wall upper portion, propulsion storehouse (42) inner chamber both sides wall is located second spout (44) have been seted up to first spout (43) top, propulsion storehouse (42) inner chamber bottom is rotated and is connected with lead screw (5), lead screw (5) are located one end fixedly connected with runner (51) in base (1) outside, lead screw (5) outside threaded connection has thread bush (6), thread bush (6) upper surface is connected with first ejector pad (61) and second ejector pad (62) respectively, both sides first spout (43) inner chamber sliding connection has propulsion board (7).
2. A spiral hand-operated injection pump according to claim 1, wherein both sides of the upper surface of the propulsion plate (7) are provided with third sliding grooves (71), and the inner cavity of the third sliding grooves (71) is slidably connected with a front push plate (72) and a rear push plate (73) respectively.
3. A hand-operated screw syringe pump according to claim 2, characterized in that the top end of the tube portion of the syringe (3) is attached to the side wall of the push chamber (42), and the end of the push rod of the syringe (3) is fixed between the front push plate (72) and the rear push plate (73).
4. A screw type hand cranking injection pump as claimed in claim 3, wherein the top of said first push block (61) and the top of said second push block (62) are longer than the lower part, and the top of said first push block (61) is attached to said rear push plate (73), and the top of said second push block (62) is attached to said front push plate (72).
5. A spiral hand-operated injection pump according to claim 1, wherein the inner cavities of the first sliding chute (43) and the second sliding chute (44) on the same side are slidably connected with an extrusion block (8), the right side wall of the extrusion block (8) is fixedly connected with a spring telescopic rod (81), and the other end of the spring telescopic rod (81) is fixedly connected with the second push block (62).
6. A hand-operated screw syringe pump according to claim 5, characterized in that the lead screw (5) is parallel to the injection groove (2) and the axis of the telescopic spring rod (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121559575.9U CN215460918U (en) | 2021-07-09 | 2021-07-09 | Spiral hand-operated injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121559575.9U CN215460918U (en) | 2021-07-09 | 2021-07-09 | Spiral hand-operated injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215460918U true CN215460918U (en) | 2022-01-11 |
Family
ID=79725613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121559575.9U Active CN215460918U (en) | 2021-07-09 | 2021-07-09 | Spiral hand-operated injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215460918U (en) |
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2021
- 2021-07-09 CN CN202121559575.9U patent/CN215460918U/en active Active
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