CN219001465U - Driving reset insulin pump - Google Patents

Abstract

The utility model discloses a drive reset insulin pump, after the injection of liquid medicine is finished, a push-against screw rod is separated from an injection component, an energy component is connected with a charging piece in a drive reset mechanism to store enough electric energy, and an execution component is connected with a reset piece in the drive reset mechanism to enable the push-against screw rod to extend, push and then shrink for reset, so that the energy component, a control component and the execution component can be assembled with a new injection component in an initial state; the recovery and utilization to energy component, control assembly and execution subassembly are realized through drive canceling release mechanical system to make the patient only need change injection assembly in the use, can use the drive insulin pump that resets repeatedly, greatly reduced patient's use cost that uses for a long time, when satisfying type 1 diabetes mellitus patient demand, be convenient for popularize to type 2 diabetes mellitus patient and gestational diabetes mellitus patient, the practicality is strong, is suitable for extensive popularization and application.

Description

Driving reset insulin pump

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a driving reset insulin pump.

Background

The insulin pump can simulate the physiological insulin secretion mode so as to regulate the patient according to the characteristics of physiological insulin secretion at different times, so that the insulin pump is more humanized and more accords with the treatment of the physiological insulin secretion mode.

The existing insulin pump is generally provided with a control part, an execution part and an injection part, the execution part is controlled by the control part to work so as to control the injection part to inject insulin into a patient, and the injection part needs to be disposed in a proper treatment mode according to the relevant regulations of medical equipment after the injection part completes injection operation, however, in order to ensure that the operation in the using process is stable and reliable, the insulin pump adopts an integral structure to design, so that the insulin pump is troublesome to assemble and disassemble, and the execution part adopts a screw rod capable of rotating in a stepping way to push the piston to move so as to realize the injection of the liquid medicine, the screw rod stretches out in the process of injecting the liquid medicine, but the shrinkage and the reset are troublesome after the injection of the liquid medicine is completed, and due to the above reasons, the existing insulin pump is equivalent to disposable products, can only be disposed after being used, the use cost of the patient is greatly increased, and the long-term use of the insulin pump is expensive, and is not accepted by type 2 diabetics and gestational diabetes patients.

Disclosure of Invention

The utility model provides a driving reset insulin pump, which solves the technical problems that the existing insulin pump can only be discarded after being used by a patient and has high price after long-time use.

According to one aspect of the utility model, there is provided a drive reset insulin pump comprising an injection assembly for performing an injection operation on a patient, an execution assembly for controlling the injection assembly to perform an injection on the patient, a control assembly for controlling the operation of the execution assembly, an energy assembly for providing electrical energy to the control assembly, and a drive reset mechanism detachably connected to the energy assembly and the execution assembly, respectively, the energy assembly, the control assembly and the execution assembly being of unitary construction, the execution assembly comprising an push screw detachably connected to the injection assembly for extending the push injection assembly for performing an injection operation on the patient, the drive reset mechanism comprising a charging member for detachably connected to the energy assembly for supplementing electrical energy to the energy assembly, and a reset member for detachably connected to the execution assembly for causing the push screw to extend for post-push retraction reset.

As a further improvement of the above technical scheme:

further, the execution assembly comprises a driving piece, a supporting shell, a swinging piece movably arranged on the supporting shell and corresponding to the driving piece, a ratchet mechanism rotatably arranged on the supporting shell and corresponding to the swinging piece, and a screw rod sleeve fixedly arranged in the ratchet mechanism and sleeved outside the push screw rod, wherein the screw rod sleeve is in threaded connection with the push screw rod, the driving piece is used for driving the swinging piece to swing, the ratchet mechanism is used for driving the screw rod sleeve to rotate, the screw rod sleeve is used for driving the push screw rod to stretch out and push or shrink and reset, the swinging piece is used for driving the ratchet mechanism to rotate forward so as to drive the push screw rod sleeve to stretch out and push out of the screw rod sleeve, and the resetting piece is used for being detachably connected with the push screw rod and the ratchet mechanism respectively so as to drive the ratchet mechanism to rotate reversely so as to drive the screw rod sleeve to rotate reversely so as to drive the push screw rod to shrink and reset in the screw rod sleeve.

Further, the ratchet mechanism comprises a rotating shaft which is rotatably arranged on the support shell and fixedly sleeved outside the screw rod sleeve, a ratchet wheel which is rotatably sleeved outside the rotating shaft in a one-way mode, and a plurality of ratchets which are sequentially arranged along the circumferential direction of the ratchet wheel, and the rotating shaft is detachably connected with the resetting piece.

Further, the reset piece comprises a reset motor, a connecting sleeve which is arranged on an output shaft of the reset motor and detachably connected with the rotating shaft, and a movable sleeve which is detachably connected with the pushing screw and is used for preventing the pushing screw from rotating circumferentially.

Further, the driving piece comprises an electromagnet and a power supply piece electrically connected with the electromagnet, the electromagnet comprises two magnetic poles which are distributed at intervals and are opposite in direction, and the power supply piece is used for changing the magnetism and the direction of the two magnetic poles according to preset frequency so as to drive the swinging piece to swing in a reciprocating mode.

Further, the support shell comprises a connecting column which is arranged along the height direction of the support shell, the swinging piece is rotatably sleeved on the connecting column, and the swinging piece comprises a magnetic attraction part which is arranged in an extending area between two magnetic poles and keeps a preset distance with the electromagnet and is used for swinging reciprocally along with the change of magnetism of the two magnetic poles, and a pushing part which is used for pushing the ratchet mechanism to rotate along with the reciprocal swing of the magnetic attraction part.

Further, a plurality of limit protrusions extending along the width direction of the support shell are arranged on the side wall of the support shell, the limit protrusions are distributed at intervals along the length direction of the support shell to form limit grooves, the swinging piece further comprises limit holes which are formed along the thickness direction of the swinging piece and correspond to the limit grooves, and limit blocks which are distributed in the limit holes, and the limit ends of the limit blocks extend into the limit grooves and are used for being abutted with the limit protrusions in order to limit the swinging range of the swinging piece in the swinging process of the swinging piece.

Further, the end part of the support shell, which is far away from the magnetic attraction part, is provided with a plurality of limit posts which are distributed along the height direction of the support shell, the limit posts are distributed at intervals along the length direction of the support shell to form a limit gap, and the end part of the swinging piece, which is far away from the magnetic attraction part, is provided with a limit part which extends along the length direction of the swinging piece to form and stretches into the limit gap and is used for being abutted with the limit posts to limit the swinging range of the swinging piece in the swinging process of the swinging piece.

Further, the swinging piece also comprises an elastic piece sleeved on the connecting column and used for pressing the swinging piece.

Further, the energy source assembly comprises a charging socket, and the charging member comprises a charging seat and a charging plug which is arranged on the charging seat and is used for being inserted into the charging socket.

The utility model has the following beneficial effects:

according to the driving reset insulin pump, the energy source assembly is used for providing working electric energy for the control assembly, so that the control assembly controls the execution assembly to work, the pushing screw rod of the execution assembly extends out of the pushing injection assembly to inject liquid medicine into a patient, the pushing screw rod is separated from the injection assembly after the injection of the liquid medicine is completed, at the moment, the injection assembly is abandoned in a proper treatment mode, the energy source assembly is connected with a charging piece in the driving reset mechanism to store enough electric energy, and meanwhile, the execution assembly is connected with a reset piece in the driving reset mechanism to enable the pushing screw rod to extend out of the pushing part and shrink for reset, so that the energy source assembly, the control assembly and the execution assembly can be assembled with a new injection assembly under the initial state, and then the injection assembly can be injected into the patient again, so that the repeated use of the driving reset insulin pump can be realized by abandoning the injection assembly which is required to be abandoned under the condition of meeting the relevant stipulation of medical equipment, and the use cost of the patient is reduced to the greatest extent; the recovery and utilization to energy component, control assembly and execution subassembly are realized through drive canceling release mechanical system to make the patient only need change injection assembly in the use, can use the drive insulin pump that resets repeatedly, greatly reduced patient's use cost that uses for a long time, when satisfying type 1 diabetes mellitus patient demand, be convenient for popularize to type 2 diabetes mellitus patient and gestational diabetes mellitus patient, the practicality is strong, is suitable for extensive popularization and application.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of a drive reset insulin pump in accordance with a preferred embodiment of the present utility model;

FIG. 2 is a schematic view showing a part of the construction of a driving reset insulin pump according to a preferred embodiment of the present utility model;

FIG. 3 is an exploded view of the drive reset insulin pump of FIG. 2;

FIG. 4 is an exploded view of a portion of the structure of the actuated reset insulin pump of FIG. 2;

fig. 5 is a partial schematic view of a driving reset insulin pump according to a preferred embodiment of the present utility model.

Legend description:

1. an injection assembly; 2. an execution component; 21. pushing the screw rod; 22. a driving member; 221. an electromagnet; 222. a power supply member; 23. a support housing; 231. a connecting column; 232. a limit protrusion; 233. a limit column; 24. a swinging member; 241. a magnetic attraction part; 242. a pushing part; 243. a limiting hole; 244. a limiting block; 245. a limit part; 246. an elastic member; 25. a ratchet mechanism; 251. a rotating shaft; 252. a ratchet wheel; 26. a screw rod sleeve; 3. a control assembly; 4. an energy source assembly; 5. driving a reset mechanism; 51. a charging member; 511. a charging stand; 512. a charging plug; 52. a reset member; 521. resetting the motor; 522. and (5) connecting the sleeve.

Detailed Description

Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.

FIG. 1 is a schematic diagram of a drive reset insulin pump in accordance with a preferred embodiment of the present utility model; FIG. 2 is a schematic view showing a part of the construction of a driving reset insulin pump according to a preferred embodiment of the present utility model; FIG. 3 is an exploded view of the drive reset insulin pump of FIG. 2; FIG. 4 is an exploded view of a portion of the structure of the actuated reset insulin pump of FIG. 2; fig. 5 is a partial schematic view of a driving reset insulin pump according to a preferred embodiment of the present utility model.

As shown in fig. 1, the drive reset insulin pump of the present embodiment includes an injection unit 1 for performing injection operation on a patient, an execution unit 2 for controlling the injection unit 1 to perform injection on the patient, a control unit 3 for controlling the operation of the execution unit 2, an energy unit 4 for supplying electric power to the control unit 3, and a drive reset mechanism 5 detachably connected to the energy unit 4 and the execution unit 2, respectively, the energy unit 4, the control unit 3, and the execution unit 2 are of a unitary structure, the execution unit 2 includes an pushing screw 21 detachably connected to the injection unit 1 for pushing the injection unit 1 to perform injection operation on the patient, and the drive reset mechanism 5 includes a charging member 51 for detachably connected to the energy unit 4 to supplement energy to the energy unit 4, and a reset member 52 for detachably connected to the execution unit 2 to cause the pushing screw 21 to be retracted after being pushed out. Specifically, the driving reset insulin pump of the utility model provides working electric energy for the control component 3 through the energy component 4, so that the control component 3 controls the execution component 2 to work, and then the pushing screw rod 21 of the execution component 2 extends out of the pushing injection component 1 to inject the liquid medicine into a patient, after the injection of the liquid medicine is completed, the pushing screw rod 21 is separated from the injection component 1, at the moment, the injection component 1 is abandoned in a proper processing mode, the energy component 4 is connected with the charging piece 51 in the driving reset mechanism 5 to store enough electric energy, and meanwhile, the execution component 2 is connected with the reset piece 52 in the driving reset mechanism 5 to enable the pushing screw rod 21 to extend out and retract to reset, so that the energy component 4, the control component 3 and the execution component 2 can be assembled with the new injection component 1 in an initial state, and then the injection can be injected for the patient again, thereby the repeated use of the driving reset insulin pump can be realized by only abandoning the injection component 1 which has to be abandoned to the greatest extent under the condition that the relevant stipulation of medical equipment is met, and the use cost of the patient is reduced; the recovery and utilization to energy component 4, control assembly 3 and execution subassembly 2 are realized through drive canceling release mechanical system 5 to this scheme to make the patient only need change injection assembly 1 in the use, can use the drive canceling release mechanical system insulin pump repeatedly, greatly reduced the use cost that the patient used for a long time, when satisfying type 1 diabetes mellitus patient demand, be convenient for popularize to type 2 diabetes mellitus patient and gestational diabetes mellitus patient, the practicality is strong, is suitable for extensive popularization and application. It should be understood that, the type 1 diabetes patient has serious illness, so that the type 2 diabetes patient and the gestational diabetes patient need to be treated by using the insulin pump with good curative effect, the type 2 diabetes patient and the gestational diabetes patient have relatively lighter illness states, and various treatment schemes, the general insulin pump is expensive and troublesome to use, and is not accepted by the type 2 diabetes patient and the gestational diabetes patient, and the driving of the resetting insulin pump in the application can greatly reduce the use cost of long-time use, has relatively lower price, is convenient to carry and use, and is even suitable for popularization to the type 2 diabetes patient and the gestational diabetes patient.

As shown in fig. 2 and 5, in the present embodiment, the executing assembly 2 includes a driving member 22, a supporting housing 23, a swinging member 24 movably disposed on the supporting housing 23 and corresponding to the driving member 22, a ratchet mechanism 25 rotatably disposed on the supporting housing 23 and corresponding to the swinging member 24, and a screw sleeve 26 fixedly disposed in the ratchet mechanism 25 and sleeved outside the push screw 21, wherein the screw sleeve 26 is in threaded connection with the push screw 21, the driving member 22 is used for driving the swinging member 24 to swing, the ratchet mechanism 25 is used for driving the screw sleeve 26 to rotate, the screw sleeve 26 is used for driving the push screw 21 to extend out of the push screw or shrink and reset, the swinging member 24 is used for driving the ratchet mechanism 25 to rotate forward to drive the screw sleeve 26 to rotate forward so as to drive the push screw 21 to extend out of the push screw sleeve 26, and the reset member 52 is detachably connected with the push screw 21 and the ratchet mechanism 25 respectively to drive the ratchet mechanism 25 to rotate reversely so as to drive the screw sleeve 26 to rotate reversely so as to drive the push screw 21 to shrink and reset in the screw sleeve 26. Specifically, the swing piece 24, the ratchet mechanism 25, the screw rod sleeve 26 and the pushing screw rod 21 are stably supported through the support shell 23, so that the reliability of mutual movement among the swing piece 24, the ratchet mechanism 25, the screw rod sleeve 26 and the pushing screw rod 21 is ensured, when the liquid medicine is injected, the driving piece 22 drives the swing piece 24 to swing in a reciprocating manner, so that the ratchet mechanism 25 is driven to rotate forwards in a stepping manner, the screw rod sleeve 26 is driven to rotate forwards in a stepping manner, the pushing screw rod 21 is driven to extend forwards in a stepping manner, the liquid medicine is injected into a patient, after the liquid medicine injection is completed, the ratchet mechanism 25 and the pushing screw rod 21 are connected with the reset piece 52, so that the reset piece 52 drives the ratchet mechanism 25 to rotate reversely, the screw rod sleeve 26 is driven to rotate reversely, and the pushing screw rod 21 is driven to shrink and reset in the screw rod sleeve 26, so that the executing assembly 2 can push the next injection assembly 1, and the liquid medicine injection of the next injection assembly 1 is completed. It should be understood that the pushing screw 21 is detachably connected to the injection assembly 1 or the reset member 52, and when the ratchet mechanism 25 drives the screw sleeve 26 to rotate, the pushing screw 21 can only move axially to complete the injection operation of the injection assembly 1 or move axially to realize shrinkage reset, but cannot rotate synchronously with the rotation of the screw sleeve 26, i.e. the pushing screw 21 is fixed circumferentially.

As shown in fig. 3, in the present embodiment, the ratchet mechanism 25 includes a rotation shaft 251 rotatably disposed on the support housing 23 and fixedly sleeved outside the screw sleeve 26, a ratchet 252 rotatably sleeved outside the rotation shaft 251 in one direction, and a plurality of ratchet teeth sequentially disposed along the circumferential direction of the ratchet 252, and the rotation shaft 251 is detachably connected to the reset member 52. Specifically, when the liquid medicine needs to be injected, the swinging piece 24 pushes the ratchet to drive the ratchet 252 to rotate forward, at this time, the ratchet 252 drives the rotating shaft 251 to rotate forward, and then drives the screw rod sleeve 26 to rotate forward, so that the extending pushing of the continuous pushing screw rod 21 is realized; when the reset member 52 drives the rotation shaft 251 to rotate reversely, the rotation shaft 251 rotates reversely relative to the ratchet 252, i.e. the ratchet 252 is fixed differently and does not interfere with the swinging member 24, the rotation shaft 251 drives the screw sleeve 26 to rotate reversely, and further drives the pushing screw 21 to move axially and shrink and reset in the screw sleeve 26. Alternatively, the rotation shaft 251 adopts a sleeve structure having a hollow inside.

As shown in fig. 1, in the present embodiment, the restoring member 52 includes a restoring motor 521, a connecting sleeve 522 disposed on an output shaft of the restoring motor 521 and detachably connected to the rotating shaft 251, and a movable sleeve detachably connected to the pushing screw 21 for preventing the pushing screw 21 from rotating circumferentially. Specifically, the reset motor 521 works to drive the output shaft to rotate, and then drive the connecting sleeve 522 to rotate, so as to drive the rotating shaft 251 to rotate, and finally drive the screw sleeve 26 to rotate, and the movable sleeve prevents the pushing screw 21 from rotating circumferentially, so that the pushing screw 21 moves axially relative to the screw sleeve 26, and the shrinkage reset of the pushing screw 21 is realized. Optionally, the movable sleeve includes a movable sleeve coaxially arranged with the pushing screw 21, a movable limiting block movably arranged in the movable sleeve along the axial direction and detachably connected with the extending end of the pushing screw 21, and a supporting seat for supporting the movable sleeve from the bottom, and is connected with the pushing screw 21 through the movable limiting block, so as to prevent the pushing screw 21 and the screw sleeve 26 from rotating in the circumferential direction synchronously.

As shown in fig. 5, in the present embodiment, the driving member 22 includes an electromagnet 221 and a power supply member 222 electrically connected to the electromagnet 221, wherein the electromagnet 221 includes two magnetic poles arranged at intervals and having opposite directions, and the power supply member 222 is used for changing the magnetism and the direction of the two magnetic poles at a preset frequency to drive the oscillating member 24 to oscillate reciprocally. Specifically, the current is transmitted to the electromagnet 221 through the power supply piece 222, so that the electromagnet 221 generates two magnetic poles with opposite directions, and then one repulsive swing piece 24 is attracted, so that the swing piece 24 swings towards a direction close to one of the magnetic poles under the action of magnetic force, at this time, the power supply piece 222 changes the directions of the two magnetic poles by changing the positive pole and the negative pole of the current output, so that the swing piece 24 swings towards the direction close to the other magnetic pole under the action of magnetic force, based on the working principle, the power supply piece 222 changes the directions of the two magnetic poles according to the preset frequency, so that the swing piece 24 swings reciprocally along with the change of the directions of the two magnetic poles in an extending area between the two magnetic poles, and further drives the pushing screw 21 to extend and push, so that the injection assembly 1 is driven to inject medicine liquid. It should be appreciated that the predetermined frequency determines the frequency of the reciprocating oscillation of the oscillating member 24, and thus the injection rate of the liquid medicine, which can be adaptively adjusted according to the use requirements of the patient. Optionally, the preset frequency is 5 ms/time, that is, the current flow direction of the power supply 222 is changed every 5 ms, so as to change the directions of the two magnetic poles of the electromagnet 221, thereby realizing rapid injection of the liquid medicine. Optionally, the electromagnet 221 is arranged in a U shape, and two magnetic poles are respectively arranged at two ends of the opening end of the electromagnet 221. It should be appreciated that when electromagnet 221 is stationary, the north-pointing pole is called north pole and the south-pointing pole is called south pole, and that power supply 222 changes the orientation of the poles, meaning that the north pole changes to south pole and the south pole changes to north pole. It should be appreciated that when the power supply 222 supplies current to the electromagnet 221, the electromagnet 221 is provided with magnetism and generates magnetic force that attracts and repels the swinging member 24, thereby driving the pushing screw 21 to extend and push; when the power supply 222 does not supply current to the electromagnet 221, the electromagnet 221 stops operating, and accordingly, the pushing screw 21 also fails to operate. It should be appreciated that in another embodiment, the driving member 22 employs a memory alloy to drive the oscillating member 24.

As shown in fig. 3, in the present embodiment, the supporting housing 23 includes a connecting post 231 disposed along the height direction of the supporting housing 23, the swinging member 24 is rotatably sleeved on the connecting post 231, and the swinging member 24 includes a magnetic attraction portion 241 disposed in an extending region between two magnetic poles and keeping a predetermined distance from the electromagnet 221 for reciprocating with the change of magnetism of the two magnetic poles, and a pushing portion 242 for pushing the ratchet mechanism 25 to rotate with the reciprocating swing of the magnetic attraction portion 241. Specifically, the electromagnet 221 drives the magnetic attraction part 241 to swing repeatedly, so as to drive the pushing part 242 to swing repeatedly, and then push the ratchet mechanism 25, so that the stepping rotation of the ratchet mechanism 25 is realized, and the pushing screw 21 is driven to extend out of the pushing injection assembly 1, and the injection operation is completed. Alternatively, the magnetic attraction portion 241 is made of a ferromagnetic material. Alternatively, the magnetic attraction portion 241 is an electromagnet. It should be understood that, since the magnetic attraction portion 241 maintains a preset distance from the electromagnet 221, the magnetic attraction portion 241 of the swinging member 24 is not hindered and interfered by the magnetic pole during the swinging process, and the swinging range is large, so that the structure covered by the swinging portion is small, so that the design is simplified and light, the self gravity of the swinging portion can be ignored for the driving power of the driving member 22, and the influence on the driving member 22 is small due to the different postures or the posture change of the insulin pump during the use. It should be appreciated that the greater the current supplied by the power supply 222, the greater the magnetic force of the two poles on the electromagnet 221, and the faster the swing speed of the magnetic attraction portion 241. It should be understood that the extension area between the two poles refers to the area where the middle area of the two poles extends towards the actuator assembly 2.

As shown in fig. 3, in this embodiment, a plurality of limiting protrusions 232 extending along the width direction of the supporting housing 23 are disposed on the side wall of the supporting housing 23, and the plurality of limiting protrusions 232 are disposed at intervals along the length direction of the supporting housing 23 to form a limiting groove, the swinging member 24 further includes a limiting hole 243 disposed along the thickness direction of the swinging member 24 and corresponding to the limiting groove, and a limiting block 244 disposed in the limiting hole 243, and a limiting end of the limiting block 244 extends into the limiting groove to abut against the limiting protrusion 232 during the swinging process of the swinging member 24 to limit the swinging range of the swinging member 24. Specifically, during the swinging process of the swinging member 24, the limiting block 244 swings synchronously, and the limiting end of the limiting block 244 stretches into the limiting groove to be limited by the abutting of the limiting protrusion 232, so that the swinging range of the swinging member 24 can be limited correspondingly, the swinging range of the swinging member 24 is prevented from being too large, the abutting portion 242 is separated from the abutting area of the ratchet, and further the blocking caused by interference of the ratchet is possibly caused, and the stable and reliable movement of the magnetic attraction member is ensured. Optionally, the limiting groove is disposed along the length direction of the support housing 23, and the length direction of the support housing 23 is the same as the swing direction of the magnetic attraction portion 241, so that the limiting block 244 is slidably disposed in the limiting groove along the swing direction, and the swing range of the swing member 24 is properly increased by sliding the limiting block 244 in the limiting groove, so that the swing range of the swing member 24 is prevented from being too small, and the pushing process of the pushing portion 242 is prevented from being too small, so that the rotation speed of the ratchet 252 is too slow, and the injection speed of the injection assembly 1 is further affected. It should be understood that the preset distance can be adaptively adjusted according to the production requirement of the product, and the swing of the magnetic attraction part 241 can be realized.

As shown in fig. 3, in the present embodiment, the end of the support housing 23 far from the magnetic attraction portion 241 is provided with a plurality of limiting posts 233 arranged along the height direction of the support housing 23, the plurality of limiting posts 233 are arranged at intervals along the length direction of the support housing 23 to form a limiting gap, and the end of the swinging member 24 far from the magnetic attraction portion 241 is provided with a limiting portion 245 extending along the length direction of the swinging member 24 and extending into the limiting gap for abutting against the limiting posts 233 during the swinging process of the swinging member 24 to limit the swinging range of the swinging member 24. Specifically, during the swinging process of the swinging member 24, the limiting portion 245 swings synchronously, and the limiting portion 245 stretches into the limiting gap to be limited by the abutting of the limiting post 233, so that the swinging range of the swinging member 24 can be limited correspondingly, the swinging range of the swinging member 24 is prevented from being too large, the abutting portion 242 is prevented from being separated from the abutting area of the ratchet, and further the swinging member is prevented from being blocked by interference of the ratchet, so that the movement stability and reliability of the swinging member 24 are ensured.

As shown in fig. 3, in the present embodiment, the swinging member 24 further includes an elastic member 246 sleeved on the connecting post 231 for pressing the swinging member 24. Specifically, the elastic member 246 presses the swinging member 24, so that the pressing portion 242 on the swinging member 24 can be always at the same level as a ratchet on the ratchet 252, and thus can always press a ratchet to move step-wise along the tangential direction of the ratchet 252, thereby realizing step-wise rotation of the ratchet 252. Alternatively, the elastic member 246 is a compression spring.

As shown in fig. 4, in the present embodiment, a plurality of ratchet wheels 252 are disposed along the axial direction of the rotation shaft 251, and the pushing portions 242 are disposed in one-to-one correspondence with the ratchet wheels 252. Specifically, the two pushing parts 242 are respectively arranged at two opposite sides of the magnetic part 241 on the magnetic part, and in the process of reciprocating swing of the magnetic part 241, the two pushing parts 242 sequentially and reciprocally push the ratchet teeth on the two ratchet wheels 252, so that the rotation speed of the ratchet wheels 252 is greatly improved. It should be understood that when the magnetic attraction portion 241 moves in a direction approaching one of the magnetic poles, the pushing portion 242 approaching the magnetic pole pushes the corresponding ratchet teeth on the ratchet 252, thereby rotating the ratchet 252; when the magnetic part 241 moves towards the direction close to the other magnetic pole, the pushing part 242 close to the other magnetic pole pushes the corresponding ratchet on the ratchet 252, so that the ratchet 252 rotates, and as the two ratchet 252 realize synchronous rotation through the rotation shaft 251, that is, one ratchet 252 rotates, the other ratchet 252 also rotates correspondingly synchronously, and the magnetic part 241 swings reciprocally once, the ratchet 252 rotates twice, and the rotation speed of the ratchet 252 is greatly improved.

As shown in fig. 1, in the present embodiment, the energy source assembly 4 includes a charging socket, and the charging member 51 includes a charging socket 511 and a charging plug 512 disposed on the charging socket 511 for being inserted into the charging socket. Specifically, after injection of injection assembly 1 is completed, actuating assembly 2 is detached from injection assembly 1, and then the charging socket is mated with charging plug 512 to charge energy assembly 4. Optionally, the charging member 51 includes a charging cord, and the charging plug 512 is disposed on a movable end of the charging cord.

In this embodiment, the drive insulin pump that resets still includes the shell and with the bottom plate of shell detachable connection, energy component 4, control assembly 3 and execution subassembly 2 are fixed to be arranged on the shell, and injection subassembly 1 is fixed to be arranged on the bottom plate. Specifically, after injection subassembly 1 injects the liquid medicine, split shell and bottom plate, then with the injection subassembly 1 of bottom plate and fixed arrangement on the bottom plate adopt reasonable mode to abandon, recycle energy component 4, control assembly 3 and the execution subassembly 2 that are fixed arrangement on the shell with the shell.

In this embodiment, the injection assembly 1 includes a liquid storage assembly and a needle tube assembly, the liquid storage assembly is used for storing and providing liquid medicine for injection of a patient, one end of the liquid storage assembly is connected with the execution assembly 2, the other end of the liquid storage assembly is connected with the needle tube assembly, the execution assembly 2 can convey the liquid medicine in the liquid storage assembly into the needle tube assembly and finally inject the liquid medicine into the patient for treatment through the needle tube assembly, and the control assembly 3 is used for controlling the closing and specific operation process of the execution assembly 2.

In this embodiment, the junction between shell and the bottom plate is equipped with the waterproof rubber ring that is used for waterproof to play good waterproof effect. Optionally, the liquid storage component comprises a liquid storage cylinder for containing liquid medicine and a piston which is cooperatively arranged in the liquid storage cylinder, and the liquid medicine in the piston can be pushed out into the needle tube component when the piston moves in the liquid storage cylinder.

In the embodiment, the needle tube component comprises a needle tube, a rubber tube and a needle tube control device for driving the implantation and extraction of the needle head in the needle tube, wherein the needle head of the needle tube is preferably a stainless steel needle head, so that bacterial infection possibly caused is reduced, the needle tube is connected with the liquid storage component through a hose, and the liquid storage component supplies liquid for the needle tube; the rubber tube cover is located the outside of needle tubing, and the needle tubing can take place relative motion with the rubber tube between, when needs carry out the injection to the patient, and the syringe needle of needle tubing is stretched out outside the rubber tube to needle tubing controlling means control needle tubing, after accomplishing the injection, and the syringe needle controlling means control needle tubing is inside the rubber tube again, reduces the patient because of the syringe needle is stored the misery that produces in the body for a long time. Optionally, the base plate pastes to patient's health one side and is equipped with the piece of applying, has seted up the pinhole on the piece of applying and can supply the syringe needle on the needle tubing to pass and implement the medicine injection to the patient, has replaced the use of long pipe through this kind of mode of applying, has avoided the pipe to rub with user's health when using long pipe, long pipe probably hangs on other objects etc. and leads to the phenomenon emergence of patient's discomfort.

In the embodiment, the needle tube control device comprises a mounting frame, a sliding block assembly, an inclined surface stop block assembly and an elastic assembly, wherein the mounting frame is arranged in a shell, the elastic assembly comprises a screw, one end of the mounting frame is provided with the screw, the outside of the screw is sleeved with a torsion spring, the outside of the screw is rotationally connected with a herringbone arm, two arms of the herringbone arm are rotationally connected, the rotation of the torsion spring can drive the herringbone arm to extend or retract, the herringbone arm comprises a first connecting rod rotationally connected with the outside of the screw, a second connecting rod rotationally connected with the first connecting rod, the outer end of the second connecting rod is rotationally connected with a sliding part on the sliding block assembly, the sliding assembly comprises a first sliding block, a second sliding block and a sliding rail, the outer end of the second connecting rod is rotationally connected with the first sliding block, the second connecting rod can drive the first sliding block to slide on the sliding rail of the sliding block assembly, the inclined surface stop block assembly penetrates through the inclined surface stop block assembly, one end of the inclined surface stop block assembly, which is positioned in the shell is connected with a stop block, and the stop block is positioned between the first sliding block and the second sliding block, and the stop block is in two use states at the moment, when the inclined surface stop block assembly is pulled outwards, the stop block is rotationally separated from the first sliding block and the second sliding block, and the reset arm is rotationally driven to move on the sliding rail; when the inclined surface stop block assembly is pressed down, the stop block pushes the first sliding block to reset, so that the contact position of the stop block and the first sliding block is in inclined surface fit, the first sliding block is convenient to reset, when the stop block pushes the first sliding block to reset completely, the stop block is positioned between the first sliding block and the second sliding block to separate the first sliding block from the second sliding block, at the moment, the torsion spring is twisted, and the torsion spring has a tendency of restoring to push the first sliding block to move, so that the first sliding block is pushed for the next time; the first sliding block is provided with a first conduction groove, the second sliding block is provided with a second conduction groove, the second conduction groove is used for accommodating a rubber tube, the second sliding block is provided with an adaptation cavity, the rubber tube is provided with a positioning part protruding out of the rubber tube, the positioning part is adapted to the adaptation cavity, and the needle tube penetrates into the rubber tube through the positioning part. Preferably, after injection is completed, the rubber tube is reserved in a reserved tube on the skin of a patient, the needle tube is retracted into the shell, so that the problem of complications caused by the needle remaining in the patient is avoided, specifically, a blocking hole is formed in one end of the second slider, which is far away from the first slider, a spring thimble is correspondingly arranged on the front cover, after the second slider slides to a certain position, the spring thimble pops up and is inserted into the blocking hole, the second slider is fixed, so that the rubber tube cannot be driven to retract, the first slider is reset and retracted under the contraction action of the lambdoidal arm, the needle tube is finally retracted into the rubber tube, and when the next injection is performed, the operation of the button piece is performed, the first slider is pushed to move so as to push the needle tube out. Optionally, the energy component 4 may be an energy supply member such as a button battery, which is convenient for miniaturization, so as to more fit the design key point of the utility model, so that the overall miniaturization design of the utility model is convenient, and meanwhile, the energy component 4 may also be an external power supply, so that the space occupied by the energy component 4 is saved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a drive insulin pump that resets, a serial communication port, including being used for carrying out injection operation's injection subassembly (1) to the patient, be used for controlling injection subassembly (1) and carry out injection subassembly (2) to the patient, be used for controlling the control module (3) of carrying out subassembly (2) work, be used for providing energy source subassembly (4) and be connected with energy source subassembly (4) and carrying out subassembly (2) dismantlement respectively drive reset mechanism (5), energy source subassembly (4), control module (3) and carrying out subassembly (2) are monolithic structure, carry out subassembly (2) include be used for stretching out with injection subassembly (1) and push against lead screw (21) that push against injection subassembly (1) in order to carry out injection operation to the patient, drive reset mechanism (5) include be used for with energy source subassembly (4) dismantlement connection in order to supply the power to energy source subassembly (4) and be used for with carry out subassembly (2) dismantlement connection in order to make push against lead screw (21) stretch out the reset piece (52) that shrink reset.

2. The driven reset insulin pump according to claim 1, wherein the executing component (2) comprises a driving piece (22), a supporting shell (23), a swinging piece (24) which is movably arranged on the supporting shell (23) and corresponds to the driving piece (22), a ratchet mechanism (25) which is rotatably arranged on the supporting shell (23) and corresponds to the swinging piece (24), and a screw rod sleeve (26) which is fixedly arranged in the ratchet mechanism (25) and is sleeved outside the push screw rod (21), the screw rod sleeve (26) is in threaded connection with the push screw rod (21), the driving piece (22) is used for driving the swinging piece (24) to swing, the ratchet mechanism (25) is used for driving the screw rod sleeve (26) to rotate, the screw rod sleeve (26) is used for driving the screw rod sleeve (21) to axially move through threads and extend to push or shrink, the swinging piece (24) is used for driving the ratchet mechanism (25) to positively rotate to drive the screw rod sleeve (26) to extend to further drive the push screw rod (21) to extend to realize push, and the reset piece (52) is used for driving the push screw rod sleeve (21) to be reversely connected with the ratchet mechanism (25) to drive the screw rod (25) to reversely rotate to push the screw rod sleeve (21) to rotate.

3. The drive reset insulin pump according to claim 2, wherein the ratchet mechanism (25) comprises a rotating shaft (251) rotatably arranged on the support housing (23) and fixedly sleeved outside the screw rod sleeve (26), a ratchet wheel (252) rotatably sleeved outside the rotating shaft (251) in a unidirectional manner, and a plurality of ratchet teeth sequentially arranged along the circumferential direction of the ratchet wheel (252), and the rotating shaft (251) is detachably connected with the reset piece (52).

4. A driven reset insulin pump according to claim 3, characterized in that the reset member (52) comprises a reset motor (521), a connecting sleeve (522) arranged on the output shaft of the reset motor (521) and in detachable driving connection with the rotating shaft (251), and a movable sleeve detachably connected with the push screw (21) for preventing the circumferential rotation of the push screw (21).

5. The driven reset insulin pump according to claim 2, wherein the driving member (22) comprises an electromagnet (221) and a power supply member (222) electrically connected with the electromagnet (221), the electromagnet (221) comprises two magnetic poles which are arranged at intervals and are opposite in direction, and the power supply member (222) is used for changing magnetism and direction of the two magnetic poles according to a preset frequency so as to drive the swinging member (24) to swing reciprocally.

6. The drive reset insulin pump according to claim 5, wherein the support housing (23) includes a connection post (231) arranged along a height direction of the support housing (23), the swinging member (24) is rotatably sleeved on the connection post (231), the swinging member (24) includes a magnetic attraction portion (241) arranged in an extension region between two magnetic poles and keeping a predetermined distance from the electromagnet (221) for reciprocating with a change of magnetism of the two magnetic poles, and a pushing portion (242) for pushing the ratchet mechanism (25) to rotate with the reciprocating swing of the magnetic attraction portion (241).

7. The drive reset insulin pump according to claim 6, wherein a plurality of limit protrusions (232) formed by extending along the width direction of the support housing (23) are arranged on the side wall of the support housing (23), the limit protrusions (232) are distributed at intervals along the length direction of the support housing (23) to form limit grooves, the swinging member (24) further comprises limit holes (243) which are formed along the thickness direction of the swinging member (24) and are distributed corresponding to the limit grooves, and limit blocks (244) which are distributed in the limit holes (243), and limit ends of the limit blocks (244) extend into the limit grooves and are used for being abutted with the limit protrusions (232) in the swinging process of the swinging member (24) to limit the swinging range of the swinging member (24).

8. The drive reset insulin pump according to claim 6, wherein the end part of the support housing (23) far away from the magnetic attraction part (241) is provided with a plurality of limit posts (233) distributed along the height direction of the support housing (23), the limit posts (233) are distributed at intervals along the length direction of the support housing (23) to form limit gaps, the end part of the swinging member (24) far away from the magnetic attraction part (241) is provided with limit parts (245) which are formed by extending along the length direction of the swinging member (24) and extend into the limit gaps and are used for abutting with the limit posts (233) to limit the swinging range of the swinging member (24) in the swinging process of the swinging member (24).

9. The driven reset insulin pump according to claim 6, wherein the swinging member (24) further comprises an elastic member (246) sleeved on the connecting column (231) for pressing the swinging member (24).

10. The driven reset insulin pump according to any one of claims 1 to 9, wherein the energy source assembly (4) comprises a charging socket, and the charging member (51) comprises a charging socket (511) and a charging plug (512) arranged on the charging socket (511) for being inserted into the charging socket.

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