CN217794106U - Structure for limiting relative rotation of medical quick connector - Google Patents
Structure for limiting relative rotation of medical quick connector Download PDFInfo
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- CN217794106U CN217794106U CN202220103994.XU CN202220103994U CN217794106U CN 217794106 U CN217794106 U CN 217794106U CN 202220103994 U CN202220103994 U CN 202220103994U CN 217794106 U CN217794106 U CN 217794106U
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Abstract
The utility model discloses a relative rotation limiting structure of a medical quick connector, which comprises a first revolving body and a second revolving body which are rotatablely connected along an axial direction, wherein the first revolving body and the second revolving body can be correspondingly arranged at a first installation position and a second installation position of an installation space in an installation sleeve; the limiting mechanism can be switched between a first state of limiting the first revolving body and the second revolving body at initial positions which cannot rotate relatively before the first revolving body and the second revolving body are installed at the corresponding installation positions and a second state of releasing the limitation on the first revolving body and the second revolving body after the first revolving body and the second revolving body are installed at the corresponding installation positions; in a first state, the limiting mechanism is connected with the first revolving body and the second revolving body; in the second state, the restricting mechanism is disengaged from at least one of the first and second rotators. The installation problem of medical quick interface among the prior art is solved for installation easy operation has shortened operating time greatly.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically relate to a structure of relative gyration of restriction of medical quick interface.
Background
When the medical quick connector is used, two connected rotary bodies which are respectively provided with fixed mounting positions and can rotate relatively are mounted in a cylindrical mounting space, the two rotary bodies are required to rotate relatively before mounting, namely, the relative rotary motion along the axis needs to be limited, and the two rotary bodies are required to rotate relatively after mounting, namely, the relative rotary motion along the axis does not need to be limited.
SUMMERY OF THE UTILITY MODEL
To the technical problem that above-mentioned exists, the utility model aims at providing a structure of the relative gyration of restriction of medical quick interface has solved the installation difficult problem of medical quick interface among the prior art for installation easy operation has shortened operating time greatly.
The technical scheme of the utility model is that:
an object of the utility model is to provide a structure of relative gyration of restriction of medical quick interface, include:
the first revolving body and the second revolving body can be correspondingly arranged at a first installation position and a second installation position of an installation space in the installation sleeve;
a restriction mechanism that is switchable between a first state in which the first and second rotators are restricted from being at initial positions of relative rotation before the first and second rotators are attached to their corresponding attachment positions, and a second state in which the restriction on the first and second rotators is released after the first and second rotators are attached to their corresponding attachment positions;
in the first state, the restricting mechanism connects the first and second rotators; in the second state, the restricting mechanism is disengaged from at least one of the first and second rotators.
Compared with the prior art, the utility model has the advantages that:
the utility model discloses a structure of the relative gyration of restriction of medical quick interface through add the limiting mechanism between the first solid of revolution and the second solid of revolution, this limiting mechanism can lock both at the initial position that does not take place relative rotation and remove the restriction to the first solid of revolution and the second solid of revolution after the installation targets in place at first solid of revolution and second solid of revolution installation in the first solid of revolution and second solid of revolution installation. Simple structure, reasonable in design. The installation problem of medical quick interface among the prior art is solved for installation easy operation has shortened operating time greatly.
Drawings
The invention will be further described with reference to the following drawings and examples:
fig. 1 is a schematic perspective view of a structure for restricting relative rotation of a medical quick connector according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a limiting mechanism of a medical quick connector in an embodiment of the present invention, which is a limiting mechanism of a single-gear double-rack gear-rack structure (the first mounting sleeve and the second mounting sleeve are omitted), for limiting relative rotation;
fig. 3 is a schematic structural diagram of a limiting mechanism of a medical quick connector according to an embodiment of the present invention, which is a double-gear three-rack gear-rack structural limiting mechanism, for limiting relative rotation (the first mounting sleeve and the second mounting sleeve are omitted);
fig. 4 is a schematic structural diagram of a limiting mechanism of a structure for limiting relative rotation of a medical quick connector according to an embodiment of the present invention (a first mounting sleeve and a second mounting sleeve are omitted), which is a lever-structured limiting mechanism;
fig. 5 is a schematic structural diagram of a limiting mechanism of a structure for limiting relative rotation of a medical quick connector according to an embodiment of the present invention (a first mounting sleeve and a second mounting sleeve are omitted), which is a plug-pin structural limiting mechanism;
fig. 6 is a cross-sectional structural view of a relative rotation limiting structure of the medical quick interface of fig. 5;
fig. 7 is a cross-sectional structural schematic view of a relative rotation limiting structure of the medical quick interface of fig. 1.
Wherein: 1. a first rotary body; 11. a first swivel body; 12. a first mounting boss; 121. a first installation slot position; 122. a second mounting slot position; 13. a rotation fitting part; 2. a second revolving body; 21. a second swivel body; 22. a second mounting boss; 221. a second through hole; 3. a limiting mechanism; 4. a first mounting sleeve; 41. a first mounting location; 5. a second mounting sleeve; 51. and a second mounting position.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended for purposes of illustration only and is not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The embodiment is as follows:
referring to fig. 1 to 7, a structure for limiting relative rotation of a medical quick connector according to an embodiment of the present invention includes a first rotating body 1, a second rotating body 2, and a limiting mechanism 3. The first revolving body 1 and the second revolving body 2 are rotatably installed in the installation sleeve along an axial direction, the installation sleeve in the embodiment includes a first installation sleeve 4 and a second installation sleeve 5 which are arranged at intervals along the axial direction, a first installation position 41 and a second installation position 51 are respectively arranged in the first installation sleeve 4 and the second installation sleeve 5, that is, the first revolving body 1 is installed at the first installation position 41, and the second revolving body 2 is installed at the second installation position 51. The first revolving body 1 and the second revolving body 2 are both in shaft structures and are composed of a cylindrical revolving body and a mounting boss formed by extending the outer wall of the revolving body outwards in the radial direction in a protruding manner. The regulating mechanism 3 has a first state in which the first revolving unit 1 and the second revolving unit 2 are regulated to initial positions in which the first revolving unit 1 and the second revolving unit 2 are not relatively rotatable before the first revolving unit 1 and the second revolving unit 2 are mounted to the respective mounting positions, and a second state in which the regulation of the first revolving unit 1 and the second revolving unit 2 is released after the first revolving unit 1 and the second revolving unit 2 are mounted to the respective mounting positions. In the first state, the limiting mechanism 3 connects the first revolving unit 1 and the second revolving unit 2. In the second state, the regulating mechanism 3 is disengaged from at least one of the first revolving unit 1 and the second revolving unit 2. That is, in the second state, the first revolving unit 1 and the second revolving unit 2 are driven to rotate relatively to each other. In the first state, the first revolving unit 1 and the second revolving unit 2 are not relatively rotatable, and the arrow direction in fig. 1 indicates the rotation direction of the first revolving unit 1 and the second revolving unit 2, that is, the relative rotation direction of the first revolving unit 1 and the second revolving unit 2 may be the same direction or opposite direction.
As shown in fig. 2 to 5, the first rotation body 1 includes a cylindrical first rotation body 11 and a square-cylindrical first mounting boss 12 formed on an outer wall of the first rotation body 11 and extending radially outward in a protruding manner, and the second rotation body 2 includes a cylindrical second rotation body 21 and a square-cylindrical second mounting boss 22 formed on an outer wall of the second rotation body 21 and extending radially outward in a protruding manner. As shown in fig. 7, an inverted T-shaped rotation engaging portion 13 is formed on the outer wall of the bottom end of the first rotation body 1, and correspondingly, an engaging recess (not shown) that matches the rotation engaging portion 13 is formed on the inner wall of the top end of the second rotation body 2.
Wherein, the limiting mechanism 3 is a gear and rack structural limiting mechanism or a bolt structural limiting mechanism or a lever structural limiting mechanism.
According to some embodiments of the present invention, as shown in fig. 2 to 3, the limiting mechanism 3 is a rack and pinion limiting mechanism. Specifically, the gear rack structural type limiting mechanism comprises a first movable piece, at least one gear and at least one second movable piece. The first movable member is movably arranged on the first mounting boss 12 along the axial direction, at least one side wall of the first movable member, namely the left side or the right side or the left and right sides of the first movable member shown in fig. 2 or fig. 3, is provided with a toothed part, the gear is rotatably arranged on the first revolving body and is meshed with the toothed part of the first movable member, the second movable member is meshed with the gear and is arranged opposite to the first movable member, the first movable member and the second movable member can generate reverse movement when being driven, namely the first movable member shown in fig. 2 or fig. 3 moves upwards or downwards, and the second movable member moves downwards or upwards. In the first state, the second movable member is partially in the second revolving body 2 and partially in the first revolving body 1, so that the limiting mechanism 3 is connected with the first revolving body 1 and the second revolving body 2, and the purpose of limiting the relative rotation of the first revolving body 1 and the second revolving body 2 is achieved. In the second state, the second movable member is disengaged from the second rotation body 2 to release the restriction of the second rotation body 2 by the restriction mechanism 3, and the first rotation body 1 and the second rotation body 2 can be relatively rotated by a drive mechanism (not shown) such as a motor. The first movable piece is a single-tooth rack or a double-tooth rack, and the second movable piece is a single-tooth rack or a single-tooth rack pin.
Specifically, as shown in fig. 3, the first movable member 31a2 is disposed in the middle of the first mounting boss 12, the number of the gears 32a2 is two, the two gears 32a2 are disposed on the left and right sides of the first movable member 31a2, the two sidewalls of the first movable member 31a2 are respectively provided with a tooth portion, and the two gears 32a2 are respectively engaged with the tooth portion. The second movable members 33a2 are also two in number and are respectively disposed at the left and right ends of the first movable member 31a2 in meshing engagement with the two gears 32a 2. Specifically, a first mounting groove 121 which is radially recessed inwards and extends vertically along the axis direction is formed in the middle of the front surface of the first mounting boss 12, first mounting grooves 121 which are parallel to the middle first mounting groove 121 are formed in the left side and the right side of each first mounting groove 121 respectively, a second mounting groove 122 which is radially recessed inwards is formed between every two adjacent first mounting grooves 121, a gear 32a2 is mounted in each second mounting groove 122 through a rotating shaft, a first movable piece 31a2 is arranged in the middle first mounting groove 121, and second movable pieces 33a2 are arranged in the first mounting grooves 121 on the two sides respectively. In the initial position, i.e., before and during installation, the lower end of the first movable element 31a2 is in the first installation boss 12, the upper end of the first movable element abuts against the top wall of the first installation sleeve 4, the lower ends of the two second movable elements 33a2 are inserted into the second installation boss 22, and the upper ends of the two second movable elements 33a2 are inserted into the first installation boss 12 and are in meshing transmission with the two gears 32a2, respectively. It should be noted that the bottom of the second mounting boss 22 is a through hole, that is, the hole for disposing the second movable element 33a2 is an axially through hole, and the purpose of this design is to facilitate the tool to enter and push the second movable element 33a2 to disengage from the second revolving body 2 upwards, so that when the first revolving body 1 and the second revolving body 2 are mounted in the respective corresponding mounting positions, the second movable element 33a2 can be pushed upwards to drive the gear transmission engaged with each other, the two gears 32a2 rotate in opposite directions to push the first movable element 31a2 to move downwards, and when the second movable element 33a2 is pushed to disengage from the second revolving body 2 completely, the restriction of the second revolving body 2 by the restriction mechanism is released, that is, the first revolving body 1 and the second revolving body 2 can rotate relatively under the driving of the respective driving mechanisms. When the second movable piece 33a2 is disengaged from the second rotating body 2, the bottom of the first movable piece 31a2 remains in the first rotating body 1. In order to facilitate grasping whether the second movable member 2 is separated from the second revolving body 1, the first movable member 31a2 is set to be a T-shaped structure, and when the second movable member 33a2 is just separated from the second revolving body 2, the upper end of the first movable member 31a2 abuts against the top of the first installation slot 121 in the middle of the first revolving body 1 to form a limit position. As a deformable embodiment, as shown in fig. 2, the number of the gears 32a1 is only one, and correspondingly, the number of the second movable members 33a1 is also one. At this time, one side of the first mover 31a1 is provided with teeth, and the other side is not provided with teeth. The gear 32a1 is rotatably disposed in the middle of the first mounting protrusion 12, the first movable element 31a1 and the second movable element 33a1 are disposed on two sides of the gear 32a1 and respectively engaged with the gear 32a1, and the first movable element 31a1 only needs to be provided with a tooth portion on one side engaged with the gear 32a 1. In the drawing, the first movable member 31a1 is disposed on the left side, and the second movable member 33a1 is disposed on the right side. Specifically, an inwardly recessed second mounting groove 122 is formed in the middle of the front surface of the first mounting boss 12, the gear 32a1 is rotatably mounted at the second mounting groove 122 through a rotating shaft, first mounting grooves 121 which are radially inwardly recessed and extend vertically as shown in fig. 2 along the axial direction are respectively formed in two sides of the second mounting groove 122, and the first movable members 31a1 and the second movable members 33a1 are mounted in the two first mounting grooves 121 in a one-to-one correspondence manner. Similarly, in the first state, the second movable element 33a1 is partially located in the second rotating body 2 and partially located in the first rotating body 1. The second revolving body 2 is provided with a through hole which is axially penetrated, after the second revolving body is installed in place, a tool is inserted into the through hole to push the second moving piece 33a1 to move upwards, the second moving piece 33a1 drives the gear 32a1 to rotate, the gear 32a1 rotates to push the first moving piece 31a1 to move downwards until the second moving piece 33a1 is completely separated from the second revolving body 2, and the limiting mechanism 3 realizes the release of the limitation on the first revolving body 1 and the second revolving body 2. When the second movable element 33a1 is disengaged from the second rotating body 2, the first movable element 31a1 remains in the first rotating body 1.
According to other embodiments of the present invention, the limiting mechanism 3 is a latch-type limiting mechanism. Specifically, as shown in fig. 5 and 6, an axial first through hole (not labeled) that is also vertically through is formed in the first mounting boss 12, a blind hole or a second through hole 221 is formed in a corresponding position of the second mounting boss 22, in the first state, the plug pin 3c is vertically inserted into the first through hole of the first mounting boss 12, and at least a part of the bottom end of the plug pin is inserted into the blind hole or the second through hole 221 of the second mounting boss 22, and after the plug pin is mounted in place, the limitation on the first revolving body 1 and the second revolving body 2 can be removed only by vertically and upwardly pulling out the plug pin 2c with a hand. It should be noted that the top of the first mounting sleeve 4 is through, that is, a relief hole is formed so that the top of the bolt 3c can extend out, and the top of the bolt 3c can be conveniently pulled out after being mounted in place to relieve the limitation of the bolt on the first revolving body 1 and the second revolving body 2.
According to other embodiments of the present invention, the limiting mechanism 3 is a lever structure type limiting mechanism. Specifically, as shown in fig. 4, the lever structure type limiting mechanism includes a lever body 32b, an operating rod 31b and a limiting rod 33b, the middle portion of the lever body 32b is used as a fixed fulcrum, the lever body 32b is transversely disposed in the first rotating body 1, specifically, the first mounting boss 12, two ends of the lever body 32b are respectively an operating end, that is, a right end of the lever body 32b shown in fig. 4, and a connecting end, that is, a left end of the lever body 32b shown in fig. 4, the operating end is connected with the operating rod 31b, that is, the operating rod 31b extends vertically out of the first rotating body 1 as shown in fig. 4, and the connecting end is connected with the limiting rod 33b, that extends vertically as shown in fig. 4 and is inserted into the second rotating body 2 in the first state. After the first revolving body 1 and the second revolving body 2 are installed in place, the operating rod 31b is pressed downwards, the limiting rod 33b tilts upwards and rises under the action of the lever, so that the limiting rod is separated from the second revolving body 2, the limitation on the first revolving body 1 and the second revolving body 2 is removed after the installation in place, and the first revolving body 1 and the second revolving body 2 can rotate relatively under the driving of the corresponding driving mechanisms.
It should be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A structure for limiting relative rotation of a medical quick connector, comprising:
the first revolving body and the second revolving body can be correspondingly arranged at a first installation position and a second installation position of an installation space in the installation sleeve;
a restriction mechanism that is switchable between a first state in which the first and second rotators are restricted from relative rotation at initial positions before the first and second rotators are mounted at their respective mounting positions, and a second state in which the restriction on the first and second rotators is released after the first and second rotators are mounted at their respective mounting positions;
in the first state, the restricting mechanism connects the first and second rotators; in the second state, the restricting mechanism is disengaged from at least one of the first and second rotators.
2. The medical quick interface structure for limiting relative rotation according to claim 1, wherein the limiting mechanism is a rack and pinion structural limiting mechanism, a latch structural limiting mechanism, or a lever structural limiting mechanism.
3. The structure for limiting relative rotation of a medical quick interface as claimed in claim 2, wherein the limiting mechanism comprises:
the first movable piece is movably arranged on the first revolving body along the axial direction, and at least one side wall of the first movable piece is provided with a tooth part;
at least one gear which is rotatably arranged on the first revolving body and is meshed with the tooth part;
at least one second movable member engaged with the gear and disposed opposite the first movable member, and capable of moving in a reverse direction with respect to the first movable member when driven;
when in the first state, the second movable part is partially in the second rotary body and partially in the first rotary body; in the second state, the second movable member is disengaged from the second revolving body and the first movable member is still in the first revolving body.
4. The medical quick interface as claimed in claim 3, wherein the number of the gears is two, the gears are respectively disposed on two sides of the first movable member, and two side walls of the first movable member are respectively provided with teeth engaged with the two gears;
the number of the second moving parts is also two, the second moving parts are respectively meshed with the outer sides of the two gears, and the moving directions of the two second moving parts are consistent.
5. The structure for limiting the relative rotation of the medical quick connector according to claim 3 or 4, wherein a through hole is formed in the second rotation body and penetrates along the axial direction, and the second movable member is movably disposed in the through hole.
6. The medical quick interface of claim 2 wherein the limiting mechanism is a latch;
the first revolving body is provided with a first through hole which penetrates along the axial direction and is used for inserting the bolt;
the second revolving body is provided with a blind hole or a second through hole which extends along the axial direction and corresponds to the first through hole;
an axially-penetrating avoidance hole is formed in the top wall, provided with the first mounting position, of the mounting sleeve;
when the bolt is in the first state, the bottom of the bolt is inserted into the blind hole or the second through hole, and at least part of the top of the bolt extends out of the avoidance hole; and in the second state, the bottom of the bolt is separated from the blind hole or the second through hole.
7. The structure for limiting relative rotation of a medical quick interface as claimed in claim 2, wherein the limiting mechanism comprises:
the lever body is arranged in the first rotary body in a swinging manner around a fixed fulcrum in the middle, and two ends of the lever body extend along the transverse direction and are respectively an operating end and a connecting end;
the operating rod is hinged on the operating end, can move along the axial direction and at least partially extends out of the first rotating body in the first state;
the limiting rod is hinged to the connecting end, can move along the axial direction and is at least partially inserted into the second rotary body in the first state;
when the first revolving body and the second revolving body are installed at the corresponding installation positions, the limiting rod is lifted to be separated from the second revolving body by pressing the operating rod.
8. The medical quick interface as claimed in claim 1 or 2, wherein the first and second rotators comprise cylindrical rotating bodies and mounting bosses formed on outer walls of the rotating bodies and protruding radially outwards, and the limiting mechanism is mounted on the mounting bosses.
9. The structure for limiting relative rotation of a medical quick interface according to claim 1 or 2, wherein the mounting sleeve comprises a first mounting sleeve and a second mounting sleeve which are coaxially arranged at an interval, the first mounting sleeve is provided with the first mounting position, and the second mounting sleeve is provided with the second mounting position.
10. The medical quick interface structure of claim 1 or 2 wherein the first rotor and the second rotor are each controllable for relative rotation by a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220103994.XU CN217794106U (en) | 2022-01-14 | 2022-01-14 | Structure for limiting relative rotation of medical quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220103994.XU CN217794106U (en) | 2022-01-14 | 2022-01-14 | Structure for limiting relative rotation of medical quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217794106U true CN217794106U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220103994.XU Active CN217794106U (en) | 2022-01-14 | 2022-01-14 | Structure for limiting relative rotation of medical quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217794106U (en) |
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2022
- 2022-01-14 CN CN202220103994.XU patent/CN217794106U/en active Active
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