CN217593467U

CN217593467U - Hose clamping device and blood therapeutic apparatus

Info

Publication number: CN217593467U
Application number: CN202220221949.4U
Authority: CN
Inventors: 董凡; 杨仁海; 阮彬鑫; 李强
Original assignee: Jafron Biomedical Co Ltd
Current assignee: Jafron Biomedical Co Ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-10-18
Anticipated expiration: 2032-01-26

Abstract

The utility model is suitable for a medical equipment field discloses a hose clamping device and blood therapeutic instrument. The hose clamping device comprises a fixing assembly, a clamping arm, a blocking piece and an electromagnetic driving device; the clamping arm comprises a first end and a second end which are oppositely arranged, the first end is rotatably connected with the fixing component, the second end is elastically connected with the fixing component, the clamping arm and the fixing component are enclosed to form a limiting hole, and a through hole is formed in the clamping arm in a penetrating mode; the blocking piece can move in a telescopic mode relative to the clamping arm and is provided with a pressing part and a limiting part; the electromagnetic driving device is connected with the blocking piece, and is used for driving the blocking piece to move towards the direction far away from the limiting hole when the flexible pipe is powered on so as to enable the pressing part to release the flexible pipe, and is used for driving the blocking piece to move towards the direction close to the limiting hole when the power is off so as to enable the pressing part to press and block the liquid flow in the flexible pipe. The utility model provides a hose clamping device can the quick-closing hose when the outage, when not switching on, puts into hose clamping device in advance with the hose easily and takes out the hose.

Description

Hose clamping device and blood therapeutic instrument

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a hose clamping device and blood therapeutic instrument.

Background

Blood therapeutic instrument all need be equipped with corresponding blood pipeline outside the host computer, for example hemoperfusion appearance and hemodialysis appearance, when the outage appearing, need close the hose that constitutes blood pipeline, and current hose clamping device is very inconvenient when closing the hose, causes inconvenience for medical personnel.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a hose clamping device, it aims at solving when having a power failure and closing the hose, and hose clamping device is not easy and simple to handle's technical problem.

The second objective of the utility model is to provide a blood therapeutic apparatus.

In order to achieve the first objective, the utility model provides a scheme is: a hose clamp for clamping a hose of a blood treatment apparatus, comprising:

a fixing assembly;

the clamping arm comprises a first end and a second end which are arranged oppositely, the first end is rotationally connected with the fixing component, the second end is elastically connected with the fixing component, the clamping arm and the fixing component enclose to form a limiting hole for the hose to penetrate through, and a through hole communicated with the limiting hole is formed in the clamping arm in a penetrating manner;

the blocking piece can move in a telescopic mode relative to the clamping arms and is provided with a pressing part which penetrates through the through hole to extend into the limiting hole and a limiting part which is clamped outside the through hole to enable the clamping arms to abut against and drive the clamping arms to move;

the electromagnetic driving device is arranged on the fixing component and connected with the blocking piece, and the electromagnetic driving device is used for driving the blocking piece to move towards the direction far away from the limiting hole when the hose is powered on so as to enable the pressing part to release the hose, and is used for driving the blocking piece to move towards the direction close to the limiting hole when the hose is powered off so as to enable the pressing part to press and block the liquid flow in the hose.

As an embodiment, the clip arm is provided with an abutting portion corresponding to the limiting portion, and the abutting portion is provided between the first end and the second end.

In one embodiment, the distance between the abutment and the first end is greater than the distance between the abutment and the second end.

As an embodiment, at least one arc-shaped structure for abutting and matching with the abutting part is arranged on one side of the limiting part facing the abutting part; the abutting portion is a plane.

As an embodiment, the fixing component includes a connecting member and a fixing seat, and the fixing seat includes a first support arm, a second support arm, and a third support arm connected between the first support arm and the second support arm;

the connecting piece is connected between the electromagnetic driving device and the first support arm, and the second support arm is bent and extended from the third support arm and is arranged opposite to the first support arm;

the first end is connected with the third support arm in a rotating mode, the second end is connected with the first support arm in an elastic mode, and the clamping arm, the second support arm and the third support arm are enclosed to form the limiting hole.

In one embodiment, the hose clamping device further comprises a rotating shaft and a first elastic member;

the clamping arm comprises a first arm body, a second arm body and a third arm body, the first arm body and the second arm body are oppositely arranged at intervals, the third arm body is connected between the first arm body and the second arm body, and the first arm body, the second arm body and the third arm body are enclosed to form the through hole;

the end part of the first arm body, which is far away from the third arm body, and the end part of the second arm body, which is far away from the third arm body, form the first end, the third arm body forms the second end, the first end is rotatably connected to the third support arm through the rotating shaft, and the second end is elastically connected to the first support arm through the first elastic piece.

As an embodiment, the electromagnetic driving device comprises an electromagnet, a power unit and a second elastic piece;

the electromagnet is connected with the first support arm and provided with a cavity, the power unit and the second elastic piece are arranged in the cavity, and the second elastic piece and the blocking piece are respectively arranged at two ends of the power unit;

when the power supply is powered on, the electromagnet drives the power unit to drive the blocking piece to move towards the direction far away from the limiting hole and compress the second elastic piece; when the power is cut off, the second elastic piece drives the power unit to drive the blocking piece to move towards the direction close to the limiting hole.

In one embodiment, the first arm is annular, and the blocking member is arranged through the first arm;

the hose clamping device further comprises a sealing member, the sealing member is arranged between the blocking member and the first support arm, and the sealing member is used for sealing the cavity.

As an embodiment, the hose clamping device further includes a photoelectric sensor, and the photoelectric sensor is installed on the fixing component and is used for detecting whether the blocking member is driven by the clamping arm to move in a direction away from the limiting hole.

In order to achieve the second purpose, the utility model provides a scheme is: the blood therapeutic apparatus comprises a therapeutic apparatus main machine, a pipeline section connected with the therapeutic apparatus main machine and the hose clamping device, wherein the hose clamping device is used for clamping a hose of the pipeline section.

The utility model provides a hose clamping device and blood therapeutic instrument, through setting up the arm lock, the arm lock encloses with fixed subassembly and closes the spacing hole that forms and be used for supplying the hose to wear to establish to the first end of arm lock is connected with fixed subassembly rotation, and the second end of arm lock and fixed subassembly elastic connection, thereby make when pressing the second end of arm lock, can open spacing hole, be convenient for place the hose in spacing hole, and when loosening the second end, close spacing hole, limit the hose in spacing hole, prevent that the hose from falling out from spacing downthehole; the blocking piece is arranged, the through hole communicated with the limiting hole is formed in the clamping arm, and the blocking piece is provided with the pressing part which penetrates through the through hole to extend into the limiting hole, so that the blocking piece can press the hose in the limiting hole through the pressing part, and further, the liquid in the hose is blocked from flowing; through set up the card on blocking the piece and block in order to supply the spacing portion of arm lock butt and drive motion outside the through-hole, when pressing the second end of arm lock, the arm lock drives through the spacing portion rather than looks butt and blocks the piece motion, and then makes and presses the splenium motion, among the practical application, makes and presses the splenium towards the direction removal of keeping away from spacing hole, helps the hose to place in spacing downthehole. Through setting up electromagnetic drive device, during the circular telegram, electromagnetic drive device can drive and block the piece and remove so that pressing the portion release hose towards the direction of keeping away from spacing hole, and during outage, electromagnetic drive device can drive and block the piece and remove towards the direction that is close to spacing hole to make and press the portion to press and block the liquid flow in the hose, also close the hose promptly. Therefore, the utility model provides a hose clamping device can be when the outage, conveniently, close the hose fast to, can be when not switching on, put into hose clamping device in advance with the hose very easily, and take out the hose.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of a view angle at which a hose is clamped by a hose clamping device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of another view angle at which the hose clamping device provided by the embodiment of the present invention clamps the hose;

fig. 3 is a sectional view of the hose clamping device provided by the embodiment of the present invention clamping a hose;

fig. 4 is an assembly structure diagram of the clamping arm and the blocking member provided by the embodiment of the present invention;

fig. 5 is a schematic structural view of a hose clamped in a limiting hole formed by enclosing the fixing component and the clamp arm according to an embodiment of the present invention.

The reference numbers illustrate: 100. a hose clamping device; 10. a fixing assembly; 11. a connecting member; 12. a fixed seat; 121. a first support arm; 122. a second support arm; 123. a third support arm; 20. clamping arms; 21. a first end; 22. a second end; 23. a through hole; 24. an abutting portion; 25. a first arm body; 26. a second arm body; 27. a third arm body; 30. a blocking member; 31. a pressing part; 32. a limiting part; 321. an arc-shaped structure; 40. an electromagnetic drive device; 41. an electromagnet; 411. a cavity; 42. a power unit; 43. a second elastic member; 50. a limiting hole; 60. a rotating shaft; 70. a first elastic member; 80. a seal member; 91. a photoelectric sensor; 92. a light shielding member; 200. a hose.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components in a specific posture, the motion situation, etc., and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 5, a hose clamping device 100 for clamping a hose 200 of a blood treatment apparatus according to an embodiment of the present invention includes a fixing assembly 10, a clamping arm 20, a blocking member 30 and an electromagnetic driving device 40. The clamping arm 20 comprises a first end 21 and a second end 22 which are oppositely arranged, the first end 21 is rotatably connected with the fixing component 10, the second end 22 is elastically connected with the fixing component 10, the clamping arm 20 and the fixing component 10 enclose to form a limiting hole 50 for the hose 200 to penetrate through, and a through hole 23 communicated with the limiting hole 50 is further arranged on the clamping arm 20 in a penetrating manner; the blocking member 30 can move telescopically relative to the clipping arms 20, and the blocking member 30 has a pressing portion 31 for passing through the through hole 23 and extending into the limiting hole 50, and a limiting portion 32 for being clamped outside the through hole 23 to allow the clipping arms 20 to abut against and move; the electromagnetic driving device 40 is mounted on the fixing component 10 and connected with the blocking member 30, the electromagnetic driving device 40 is used for driving the blocking member 30 to move in a direction away from the limiting hole 50 when the power is on so as to enable the pressing part 31 to release the hose 200, and is used for driving the blocking member 30 to move in a direction close to the limiting hole 50 when the power is off so as to enable the pressing part 31 to press and block the liquid flow in the hose 200.

When the hose clamp is used and is not powered on, a user applies force to press the second end 22 of the clamping arm 20, the limiting hole 50 is opened, and the hose 200 is placed in the limiting hole 50; when the user loosens the second end 22, the second end 22 returns to the original state, the limiting hole 50 is closed, the hose 200 is limited in the limiting hole 50, and the pressing part 31 of the blocking member 30 is pressed on the hose 200; after the power is on, the electromagnetic driving device 40 drives the blocking piece 30 to move towards the direction away from the limiting hole 50 so that the pressing part 31 releases the hose 200; after the power is cut off, the electromagnetic driving device 40 drives the blocking member 30 to move toward the direction close to the position-limiting hole 50, so that the pressing portion 31 presses and blocks the liquid flow in the flexible tube 200.

By adopting the technical scheme, through the arrangement of the clamping arm 20, the clamping arm 20 and the fixing component 10 are enclosed to form the limiting hole 50 for the hose 200 to penetrate through, the first end 21 of the clamping arm 20 is rotatably connected with the fixing component 10, and the second end 22 of the clamping arm 20 is elastically connected with the fixing component 10, so that when the second end 22 of the clamping arm 20 is pressed, the limiting hole 50 can be opened, the hose 200 can be conveniently placed in the limiting hole 50, and when the second end 22 is loosened, the limiting hole 50 is closed, the hose 200 is limited in the limiting hole 50, and the hose 200 is prevented from falling out of the limiting hole 50; by arranging the blocking piece 30, a through hole 23 communicated with the limiting hole 50 is arranged on the clamping arm 20, and the blocking piece 30 is provided with a pressing part 31 which penetrates through the through hole 23 to extend into the limiting hole 50, so that the blocking piece 30 can press the hose 200 in the limiting hole 50 through the pressing part 31, and further block the liquid flow in the hose 200; through set up the card on blocking piece 30 outside through-hole 23 in order to supply spacing portion 32 of arm lock 20 butt and drive the motion, when pressing the second end 22 of arm lock 20, arm lock 20 drives blocking piece 30 through spacing portion 32 rather than butt and moves, and then makes and presses the portion 31 motion, and in practical application, the messenger presses the portion 31 to remove towards the direction of keeping away from spacing hole 50, helps hose 200 to place in spacing hole 50. By providing the electromagnetic driving device 40, when the power is turned on, the electromagnetic driving device 40 can drive the blocking member 30 to move away from the limiting hole 50 so as to enable the pressing portion 31 to release the flexible tube 200, and when the power is turned off, the electromagnetic driving device 40 can drive the blocking member 30 to move towards the limiting hole 50 so as to enable the pressing portion 31 to press and block the liquid flow in the flexible tube 200, that is, to close the flexible tube 200. Therefore, the embodiment of the present invention provides a hose clamping device 100, which can conveniently and rapidly close the hose 200 when the power is off, and can easily put the hose 200 into the hose clamping device 100 in advance and take the hose 200 out when the power is off.

Referring to fig. 2 and 4, the clamping arm 20 is provided with an abutting portion 24 corresponding to the limiting portion 32, and the abutting portion 24 is disposed between the first end 21 and the second end 22. In a preferred embodiment, the distance between the abutting portion 24 and the first end 21 is greater than the distance between the abutting portion 24 and the second end 22. Through this kind of mode of setting up, help arm lock 20 to realize pushing away to the direction that blocks piece 30 and keep away from spacing hole 50 to predetermined position in shorter stroke range.

Referring to fig. 2 and 4, at least one arc-shaped structure 321 for abutting and matching with the abutting portion 24 is disposed on a side of the limiting portion 32 facing the abutting portion 24; the abutment 24 is planar. Through the arrangement mode, the abutting part 24 pushes the limiting part 32 in an inclined shape during pressing, the limiting part 32 is abutted to the arc-shaped surface of the arc-shaped structure 321 better and moves in the direction away from the limiting hole 50 under the action of the inclination, and the abutting part 24 is in a plane, so that the moving stroke of the clamping arm 20 during pressing is more stable, and the use experience is optimized; and the limiting part 32 with the arc-shaped structure 321 can reduce the contact abrasion with the abutting part 24.

Referring to fig. 1 to 3, the fixing assembly 10 includes a connecting member 11 and a fixing base 12, the fixing base 12 includes a first arm 121, a second arm 122 and a third arm 123 connected between the first arm 121 and the second arm 122; the connecting element 11 is connected between the electromagnetic driving device 40 and the first supporting arm 121, and the second supporting arm 122 is bent and extended from the third supporting arm 123 and is opposite to the first supporting arm 121; the first end 21 is rotatably connected to the third arm 123, the second end 22 is elastically connected to the first arm 121, and the clamping arm 20, the second arm 122 and the third arm 123 enclose to form the limiting hole 50. In practical applications, the connecting member 11 and the first arm 121 are both annular, the second arm 122 is disposed corresponding to the through holes of the connecting member 11 and the first arm 121, the blocking member 30 is disposed through the connecting member 11 and the first arm 121, and the pressing portion 31 of the blocking member 30 abuts against the second arm 122. It will be appreciated that in other embodiments, the fastening assembly 10 is not provided with the connecting member 11, and it is also possible that the first arm 121 is directly connected to the electromagnetic driving device 40.

In one embodiment, the first arm 121, the second arm 122 and the third arm 123 are integrally formed. Through this kind of mode of setting up, the preparation of fixing base 12 is convenient for. Of course, it is also possible that the first arm 121, the second arm 122, and the third arm 123 are separately manufactured and then assembled together.

Referring to fig. 2 to 4, the hose clamping device 100 further includes a rotating shaft 60 and a first elastic member 70; the clamping arm 20 comprises a first arm body 25, a second arm body 26 and a third arm body 27, the first arm body 25 and the second arm body 26 are oppositely arranged at intervals, the third arm body 27 is connected between the first arm body 25 and the second arm body 26, and the first arm body 25, the second arm body 26 and the third arm body 27 are enclosed to form a through hole 23; the end of the first arm 25 away from the third arm 27 and the end of the second arm 26 away from the third arm 27 form a first end 21, the third arm 27 forms a second end 22, the first end 21 is rotatably connected to the third arm 123 via the shaft 60, and the second end 22 is elastically connected to the first arm 121 via the first elastic element 70. In the present embodiment, the abutting portion 24 is provided on the first arm 25. Of course, as an alternative embodiment, it is also possible for the abutment 24 to be provided on the second arm 26 or on both the first arm 25 and the second arm 26.

Referring to fig. 3, the electromagnetic driving device 40 includes an electromagnet 41, a power unit 42 and a second elastic member 43; the electromagnet 41 is connected to the first support arm 121 through the connecting member 11, the electromagnet 41 has a cavity 411, the power unit 42 and the second elastic member 43 are both disposed in the cavity 411, and the second elastic member 43 and the blocking member 30 are respectively disposed at two ends of the power unit 42; when the power supply is powered on, the electromagnet 41 drives the power unit 42 to drive the blocking piece 30 to move towards the direction away from the limiting hole 50 and compress the second elastic piece 43; when the power is off, the second elastic member 43 drives the power unit 42 to drive the blocking member 30 to move toward the limiting hole 50.

As an embodiment, the first elastic member 70 and the second elastic member 43 are both springs. It is understood that in other embodiments, the first elastic member 70 and the second elastic member 43 may be other elastic members, such as elastic pieces.

Referring to fig. 3, the hose clamping device 100 further includes a sealing member 80, the sealing member 80 is disposed between the blocking member 30 and the first arm 121, and the sealing member 80 is used for sealing the cavity 411. In practice, the sealing element 80 is a sealing ring.

Referring to fig. 1, the hose clamping device 100 further includes a photoelectric sensor 91, wherein the photoelectric sensor 91 is mounted on the fixing assembly 10 and is used for detecting whether the blocking member 30 is driven by the clamping arm 20 to move in a direction away from the limiting hole 50. When the clipping arms 20 drive the blocking member 30 to move away from the position limiting hole 50, the photoelectric sensor 91 detects the light signal, so as to determine that the clipping arms 20 drive the blocking member 30 to move away from the position limiting hole 50. In practical applications, when it is determined that the clipping arms 20 drive the blocking member 30 to move away from the position-limiting hole 50, which means that the hose 200 is about to be placed in the position-limiting hole 50, the hose clamping device 100 will start to operate, so that the hose clamping device 100 is further powered on. In this embodiment, the photoelectric sensor 91 is mounted on the connecting member 11.

Referring to fig. 1, 3 and 4, the hose clamping device 100 further includes a light shielding member 92, the light shielding member 92 is connected to the blocking member 30, and the light shielding member 92 is used for shielding the photoelectric sensor 91. In practical applications, when the pressing portion 31 abuts against the second arm 122, the light shielding member 92 shields the photoelectric sensor 91, and the photoelectric sensor 91 cannot detect the optical signal; when the pressing portion 31 moves in a direction away from the limiting hole 50, the light shielding member 92 is driven to move in a direction away from the limiting hole 50, so that the light shielding member 92 does not shield the photoelectric sensor 91 any more, and the photoelectric sensor 91 can detect the optical signal.

The embodiment of the utility model provides a still provide a blood treatment instrument, including treatment instrument host computer (not shown), the pipeline section (not shown) of connecting the treatment instrument host computer and foretell hose clamping device 100, hose clamping device 100 is used for the hose 200 of centre gripping pipeline section. Through adopting foretell hose clamping device 100, the embodiment of the utility model provides a blood treatment instrument can be when the outage, conveniently, close hose 200 fast to, can be when not switching on, put into hose clamping device 100 in advance with hose 200 very easily, and take out hose 200.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A hose clamping device for clamping a hose of a blood treatment apparatus, comprising:

a fixing assembly;

the clamping arm comprises a first end and a second end which are arranged oppositely, the first end is rotatably connected with the fixing component, the second end is elastically connected with the fixing component, the clamping arm and the fixing component are enclosed to form a limiting hole for the hose to penetrate through, and a through hole communicated with the limiting hole is formed in the clamping arm in a penetrating manner;

the blocking piece can move in a telescopic mode relative to the clamping arms and is provided with a pressing portion and a limiting portion, the pressing portion penetrates through the through hole to extend into the limiting hole, and the limiting portion is clamped outside the through hole to enable the clamping arms to abut against the pressing portion and drive the clamping arms to move;

2. A hose clamp according to claim 1, wherein the clamp arm is provided with an abutment portion corresponding to the stop portion, the abutment portion being provided between the first end and the second end.

3. The hose clamp of claim 2, wherein the distance between the abutment and the first end is greater than the distance between the abutment and the second end.

4. A hose clamp according to claim 2 or 3, wherein at least one arcuate formation for abutting engagement with the abutment portion is provided on the side of the retaining portion facing the abutment portion; the abutting part is a plane.

5. The hose clamp apparatus of claim 1, wherein said retaining assembly includes an attachment member and a retainer, said retainer including a first arm, a second arm, and a third arm connected between said first arm and said second arm;

6. The hose clamp according to claim 5, further comprising a rotation shaft and a first elastic member;

7. The hose clamp apparatus of claim 5, wherein the electromagnetic driving means comprises an electromagnet, a power unit, and a second elastic member;

8. The hose retaining apparatus of claim 7, wherein said first arm is annular and said blocking member is disposed through said first arm;

the hose clamping device further comprises a sealing member disposed between the blocking member and the first support arm, the sealing member being configured to seal the cavity.

9. The hose clamp apparatus of claim 1, further comprising a photoelectric sensor mounted to the mounting assembly and configured to detect whether the blocking member is actuated by the clamp arm in a direction away from the position-limiting aperture.

10. A blood treatment apparatus comprising a main apparatus, a tube section connected to the main apparatus, and a hose clamp according to any one of claims 1 to 9 for clamping a hose of the tube section.