CN214074529U

CN214074529U - Ear self-locking structure and medicine injection pump

Info

Publication number: CN214074529U
Application number: CN202021775229.XU
Authority: CN
Inventors: 王建兵; 柏佳顺; 程晓萍
Original assignee: Jiangsu Apon Medical Technology Co ltd
Current assignee: Jiangsu Apon Medical Technology Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-08-31
Anticipated expiration: 2030-08-21

Abstract

The utility model belongs to the technical field of medical instrument, concretely relates to ear auto-lock structure and injection pump. The utility model discloses an ear auto-lock structure includes: the lock comprises an ear body, a lock shell and a pressing unlocking button, wherein the ear body is provided with an end face; a spring bolt is arranged in the lock shell, the spring bolt can be movably arranged in the lock shell along the axis direction of the lock shell, and the spring bolt is provided with a top end matched with the end face; the unlocking button is pressed to drive the lock tongue to move in the lock shell, so that the top end and the end face are pressed or separated. The utility model discloses an among the ear auto-lock structure, when left ear and right ear are opened to needs, can make spring bolt and ear body separate through pressing release button, set up and press release button and can prevent that left ear and right ear on the injection pump from being opened by accident, guarantee the normal use of injection pump, have convenient to use and simple structure's advantage.

Description

Ear self-locking structure and medicine injection pump

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to ear auto-lock structure and injection pump.

Background

At present, in the place such as full-automatic injection pump mainly used postoperative labor pain, tumour chemotherapy, painless childbirth, common full-automatic injection pump mainly comprises drive arrangement and medicine box two parts, and drive arrangement control motion part periodic motion, the medicine box bears the liquid medicine that needs carry, through the clearance between control drive arrangement and the medicine box, makes the drive arrangement periodically roll the transfer line of medicine box, realizes the automatic infusion of periodicity.

Wherein, the driving device and the medicine box are buckled together through the left and the right ears. In the using process, medical care personnel or patients open the left ear and the right ear accidentally, so that the medicine injection pump cannot work, and the serious consequence of blood return of the patients is caused.

In conclusion, the existing full-automatic medicine injection pump can cause the medicine injection pump to be incapable of working due to the fact that medical staff or patients open the left ear and the right ear accidentally in the using process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current full-automatic injection pump at least, because medical personnel or patient's accident open about the ear in the use, can lead to the problem of the unable work of injection pump. The purpose is realized by the following technical scheme:

the utility model discloses a first aspect provides an ear auto-lock structure, wherein, include:

the ear body is provided with an end face;

the lock comprises a lock shell, wherein a spring bolt is arranged in the lock shell, the spring bolt can be movably arranged in the lock shell along the axis direction of the lock shell, and the spring bolt is provided with a top end matched with the end surface;

and an unlocking button is pressed, and the unlocking button can drive the lock tongue to move in the lock shell, so that the top end and the end surface are pressed or separated.

According to the utility model discloses an among the ear auto-lock structure, press the release button and can drive the spring bolt is in remove in the lock shell, thereby make the top with the terminal surface compresses tightly or separates, when left ear and right ear are opened to needs, can make spring bolt and ear body separate through pressing the release button, sets up and presses the release button and can prevent that left ear and right ear on the injection pump from being opened by accident, guarantees the normal use of injection pump, has convenient to use and simple structure's advantage.

In addition, according to the utility model discloses an ear auto-lock structure still can have following additional technical characterstic:

the utility model discloses an in some embodiments, press the release button with the spring bolt sets up perpendicularly, be provided with on the lock shell with press the through-hole that the release button matches, press the release button edge the axis of through-hole removes, thereby drives the spring bolt removes.

In some embodiments of the present invention, one end of the pressing unlocking button is inserted into the through hole and located in the lock case, one end of the pressing unlocking button located in the lock case is provided with a first inclined surface, and the lock tongue is provided with a second inclined surface matching with the first inclined surface;

the first inclined plane and the second inclined plane are attached by pressing the unlocking button, so that the lock tongue is driven to move in the lock shell.

In some embodiments of the present invention, the ear self-locking structure further comprises a spring, the spring is disposed between the lock case and the lock tongue, and the spring can extend along the axis direction of the lock case.

In some embodiments of the present invention, the ear self-locking structure further comprises: the lug connecting shaft is arranged on the lug body;

the circuit board is provided with a microswitch, and the microswitch is provided with a contact which can be connected with the lug connecting shaft; the lug body drives the lug connecting shaft to rotate, so that the lug connecting shaft is connected with the contact.

The utility model discloses an in some embodiments, be provided with the recess on the terminal surface, be provided with on the top with the arch that the recess matches, protruding card is gone into the recess can compress tightly the terminal surface.

The utility model also provides an injection pump, wherein, including as above the ear from locking structure, injection pump still includes the lid, the lock shell is fixed on the lid, the one end of ear body can with the spring bolt is connected, the other end of ear body can set up in around the axis direction rotation of ear connecting axle on the lid.

In some embodiments of the present invention, the drug injection pump includes a driving device, the cover body is a lower cover or an upper cover, a closed cavity can be formed between the lower cover and the upper cover, and the cavity is used for placing the driving device.

In some embodiments of the present invention, the number of the ear self-locking structures is two, and the ear self-locking structures are respectively disposed on two sides of the cover body.

In some embodiments of the present invention, the drug injection pump further comprises a drug box, and the drug box is connected to the cover.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows a structural diagram of an ear self-locking structure according to an embodiment of the present invention;

fig. 2 is a schematic structural view of another view of the ear self-locking structure according to an embodiment of the present invention;

fig. 3 schematically illustrates a structural view of another view of the ear self-locking structure according to an embodiment of the present invention;

fig. 4 schematically illustrates a schematic diagram of a circuit board and a lower cover in an ear self-locking structure according to an embodiment of the present invention;

fig. 5 schematically illustrates a first inclined surface and a second inclined surface of an ear self-locking structure according to an embodiment of the present invention;

FIG. 6 schematically illustrates a left ear, a right ear, and a lower cap of a medication pump according to an embodiment of the present invention;

fig. 7 is a schematic diagram illustrating a lock case, a left ear, and a lower cover of a medication injection pump according to an embodiment of the present invention.

1: an upper cover; 2: a lower cover; 3: the left ear; 4: the right ear; 5: a PCB circuit board; 6: a lock case; 7: pressing an unlocking button; 8: a latch bolt; 9: a spring; 10: a microswitch; 11: the lug is connected with the shaft;

20: a kit; 31: an end face; 32: an ear body; 61: a first surface; 62: a second surface; 63: a through hole; 71: a first inclined plane; 81: a top end; 82: a second inclined plane; 101: and a contact.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 3, in the ear self-locking structure of the present embodiment, an ear body 32, a lock case 6 and a push-to-unlock button 7 are provided, and an end surface 31 is provided on the ear body 32; a bolt 8 is arranged in the lock shell 6, the bolt 8 can be movably arranged in the lock shell 6 along the axial direction of the lock shell 6, and a top end 81 matched with the end surface 31 is arranged on the bolt 8; pressing the unlock button 7 moves the bolt 8 within the housing 6, thereby compressing or separating the top 81 from the end face 31.

Specifically, when the top end 81 is pressed against the end surface 31, the latch tongue 8 is in interference fit with the ear body 32. When the left ear 3 and the right ear 4 need to be opened, the bolt 8 can be separated from the ear body 32 by pressing the unlocking button 7. Compared with the existing medicine injection pump structure, the medicine injection pump structure is provided with the unlocking button 7, and the unlocking button 7 needs to be specially pressed when the left ear 3 and the right ear 4 need to be opened, so that the left ear 3 and the right ear 4 on the medicine injection pump can be prevented from being accidentally opened by a user.

The utility model discloses an in some embodiments, press unblock button 7 and the perpendicular setting of spring bolt 8, be provided with on the lock shell 6 and press the through-hole 63 that unblock button 7 matches, press unblock button 7 and remove along the axis of through-hole 63 to drive spring bolt 8 and remove.

As shown in fig. 2, the push unlocking button 7 is perpendicular to the latch tongue 8, and the push unlocking button 7 moves in the up-down direction in the figure to drive the latch tongue 8 to move in the left-right direction in the figure.

As shown in fig. 1, a through hole 63 for pressing the unlocking button 7 to pass through is formed in the lock case 6, an axis of the through hole 63 is a vertical direction in fig. 1, and the unlocking button 7 is pressed to move in the through hole 63 along the vertical direction to drive the bolt 8 to move along a horizontal direction in the drawing.

As shown in fig. 5, in some embodiments of the present invention, one end of the pressing unlocking button 7 is inserted into the through hole 63 and located inside the lock case 6, one end of the pressing unlocking button 7 located inside the lock case 6 is provided with a first inclined surface 71, and the lock tongue 8 is provided with a second inclined surface 82 matching with the first inclined surface 71;

by pressing the unlocking button 7, the first inclined surface 71 and the second inclined surface 82 are attached to each other, so that the bolt 8 is driven to move in the lock case 6.

As shown in fig. 5, specifically, a left end of the unlocking button 7 is provided with a first inclined surface 71, a top end 81 of the bolt 8 is provided with a second inclined surface 82 attached to the first inclined surface 71, an inner surface of the through hole 63 is the first surface 61, the unlocking button 7 is pressed to slide along the first surface 61 of the lock case 6, the bolt 8 slides along the second surface 62 inside the lock case 6 after receiving a leftward force generated by pressing the unlocking button 7, and the second surface 62 is disposed inside the lock case 6 along an axial direction of the lock case 6, that is, an up-down direction in fig. 5.

The utility model discloses an in some embodiments, ear self-locking structure still includes spring 9, and spring 9 sets up between spring bolt 8 and lock shell 6, and spring 9 can be flexible along the axis direction of locking shell 6.

Specifically, set up spring 9, can help spring bolt 8 to reset, when not pressing the effect of unblock button 7, spring 9 extension drives spring bolt 8 and moves along the axis direction of lock shell 6.

More specifically, the top end 81 of the latch tongue 8 presses the end surface 31 of the ear body 32, and the ear body 32 cannot be opened by an external force. After the bolt 8 is acted by the action force of pressing the unlocking button 7, the spring 9 is compressed, the top end 81 of the bolt 8 is separated from the contact with the end surface 31 of the ear body 32, the ear body 32 is not acted by the action force exerted by the bolt 8 any more, and the ear body 32 can be considered to be opened at the moment.

As shown in fig. 4, in some embodiments of the present invention, the ear self-locking structure further includes: the lug connecting shaft 11, the lug connecting shaft 11 is arranged on the lug body 32;

the circuit board is provided with a microswitch 10, the microswitch 10 is provided with a contact 101 which can be connected with the lug connecting shaft 11, and the contact 101 can be pressed; the ear body 32 drives the ear connecting shaft 11 to rotate, so that the ear connecting shaft 11 is connected with the contact 101, and the ear connecting shaft 11 presses the contact 101 on the microswitch 10.

Specifically, the circuit board is the PCB circuit board 5, and it is set whether the state in which the circuit board can receive the ear body 32 is in the open state or the closed state. The ear body 32 drives the ear connecting shaft 11 to rotate, so that the ear connecting shaft 11 is connected with the contact 101, and the circuit board can receive the state of the ear body 32.

In some embodiments of the present invention, a groove is provided on the end surface 31, a protrusion matching with the groove is provided on the top 81, and the protrusion is inserted into the groove to compress the end surface 31.

The compression of the tip 81 against the end face 31 is facilitated by the groove and protrusion configuration.

As shown in fig. 6 and 7, the utility model also provides an injection pump, wherein, including above ear self-locking structure, injection pump still includes the lid, and lock shell 6 is fixed on the lid, and the one end of ear body 32 can be connected with spring bolt 8, and the other end of ear body 32 can set up on the lid around the axis direction of ear connecting axle 11 (the axis direction of lock shell 6 promptly) rotatoryly.

Specifically, the lock case 6 is mounted on the cover body by screws, and one end of the ear body 32 can be connected to the end surface 31 of the latch tongue 8 through the top end 81. The other end of the ear body 32 drives the ear connecting shaft 11 to rotate around the axis of the lock case 6 and is disposed on the cover body, so that the ear connecting shaft 11 can be connected with the contact 101 of the micro switch 10.

In some embodiments of the present invention, the drug injection pump includes a driving device, the cover body is a lower cover 2 or an upper cover 1, a closed cavity can be formed between the lower cover 2 and the upper cover 1, and the cavity is used for placing the driving device.

Specifically, as shown in fig. 7, the lock case 6 is mounted on the lower cover 2 by screws, and the push unlock button 7 is mounted between the lock case 6 and the lower cover 2. The circuit board receives the closing information of the ear body 32, the circuit board supplies power to the driving device, and the medicine injection pump works normally. The circuit board receives the opening information of the ear body 32, the circuit board does not supply power to the driving means, and the medicine injection pump stops operating.

In some embodiments of the present invention, the number of the ear self-locking structures is two, and the two ear self-locking structures are respectively disposed on two sides of the cover body. There is one corresponding to the left ear 3 and the right ear 4, respectively, and the left push unlock button 7 is pressed when the left ear 3 needs to be opened, and the right push unlock button 7 is pressed when the right ear 4 needs to be opened.

In some embodiments of the present invention, the drug injection pump further comprises a drug box 20, and the drug box 20 is connected to the cover.

The utility model provides a when ear self-locking structure uses, left side ear 3 and right ear 4 are all closed, press down release button 7 this moment and not receive any external force press action, spring 9 is in the extension state this moment, spring 9 compression produces elasticity and makes the lock tongue 8 top tightly press down release button 7, the top 81 of lock tongue 8 compresses tightly the terminal surface 31 of left ear 3, left side ear 3 will unable rotation, left side ear 3 can't be opened under the external force promptly, and ear connecting axle 11 compresses tightly micro-gap switch 10's contact 101 this moment, PCB circuit board 5 receives left ear 3's closed information, because drive arrangement bilateral symmetry design, ear self-locking structure is two sets, right side ear 4 can't be opened under the external force equally, drive arrangement and medicine box 20 link together, the injection pump is in operating condition.

When the door needs to be opened, the left ear 3 and the right ear 4 are both opened, at this time, a person applies pressing force to the pressing unlocking button 7, the pressing unlocking button 7 slides along the first surface 61 of the lock shell 6, and the bolt 8 slides along the second surface 62 of the lock shell 6 after receiving the acting force of pressing the unlocking button 7, and compresses the spring 9. The top end 81 of the latch tongue 8 is out of contact with the end surface 31 of the left ear 3, and the left ear 3 is no longer subjected to the force exerted by the latch tongue 8, and the left ear 3 can be considered to be opened. After the left ear 3 is opened, the ear connecting shaft 11 is separated from the contact 101 of the microswitch 10, the PCB 5 receives the information that the left ear 3 is opened, and due to the design of the left and right opposite surfaces of the driving device, the right ear 4 is also opened at the moment, the PCB 5 also receives the information that the right ear 4 is opened, and the infusion pump stops working.

To sum up, the utility model discloses an among the ear auto-lock structure, press unlock button 7 and can drive spring bolt 8 and remove in lock shell 6 to make top 81 and terminal surface 31 compress tightly or separate, when left ear 3 and right ear 4 are opened to needs, can make spring bolt 8 and ear body 32 separate through pressing unlock button 7, the setting is pressed unlock button 7 and can be prevented that left ear 3 and right ear 4 on the injection pump from being opened by accident, guarantee the normal use of injection pump, have convenient to use and simple structure's advantage.

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 changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An ear self-locking structure, comprising:

the ear body is provided with an end face;

2. The ear self-locking structure according to claim 1, wherein the pressing and unlocking button is perpendicular to the bolt, a through hole matched with the pressing and unlocking button is formed in the lock case, and the pressing and unlocking button moves along an axis of the through hole so as to drive the bolt to move.

3. The ear self-locking structure according to claim 2, wherein one end of the pressing and unlocking button is inserted into the through hole and located in the lock case, one end of the pressing and unlocking button located in the lock case is provided with a first inclined surface, and the bolt is provided with a second inclined surface matched with the first inclined surface;

4. The ear self-locking structure according to claim 1, further comprising a spring disposed between the bolt and the housing, wherein the spring is capable of extending and retracting along an axial direction of the housing.

5. The ear self-locking structure according to claim 1, further comprising: the lug connecting shaft is arranged on the lug body;

6. The ear self-locking structure according to claim 1, wherein the end face is provided with a groove, the top end is provided with a protrusion matching with the groove, and the protrusion is clamped into the groove to compress the end face.

7. A drug injection pump, comprising the ear self-locking structure as claimed in any one of claims 1 to 6, further comprising a cover, wherein the lock housing is fixed on the cover, one end of the ear body can be connected to the latch, and the other end of the ear body can be rotatably disposed on the cover around the axis direction of the ear connecting shaft.

8. The medication pump of claim 7, wherein the medication pump comprises a drive device, the cover body is a lower cover or an upper cover, and a closed cavity is formed between the lower cover and the upper cover and used for placing the drive device.

9. The medication injection pump of claim 7, wherein there are two ear self-locking structures, and the ear self-locking structures are respectively disposed on two sides of the cover body.

10. The medication pump of claim 7 further comprising a medication box connected to the cover.