CN220378622U - Locking device and cardiopulmonary resuscitation machine - Google Patents
Locking device and cardiopulmonary resuscitation machine Download PDFInfo
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- CN220378622U CN220378622U CN202321862538.4U CN202321862538U CN220378622U CN 220378622 U CN220378622 U CN 220378622U CN 202321862538 U CN202321862538 U CN 202321862538U CN 220378622 U CN220378622 U CN 220378622U
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- 238000002680 cardiopulmonary resuscitation Methods 0.000 title claims abstract description 21
- 238000010586 diagram Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000002612 cardiopulmonary effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model provides a locking device and a cardiopulmonary resuscitation machine. The first connecting portion is provided with a connected unlocking portion and a first locking portion, the second connecting portion is provided with a second locking portion, and the first locking portion and the second locking portion can be unlocked and connected. Because when first hasp portion and second hasp portion are the pinning state, drive unblock portion makes first hasp portion and second hasp portion unblock to realize the unblock simply, and then with overcoming locker structure complicacy, the inconvenient problem of unblock.
Description
Technical Field
The utility model belongs to the technical field of locking structures, and particularly relates to a locking device and a cardiopulmonary resuscitation machine.
Background
Cardiopulmonary resuscitation machines are a type of basic life-supporting device that mechanically replaces the manual effort to perform artificial respiration and chest compressions. The medical community has urgent demands for high-quality cardiopulmonary resuscitation technology, and has higher demands on the convenience of cardiopulmonary resuscitator operation. The locking device of the support arm and the bottom plate of the traditional cardiopulmonary resuscitation machine has complex structure, is inconvenient to unlock, and affects the time of rescuing patients by medical staff.
Disclosure of Invention
The technical aim of the utility model is to provide a locking device and a cardiopulmonary resuscitation machine, which aim at simple locking and further solve the problems of complex structure and inconvenient unlocking of the locking device.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
in a first aspect, the present utility model provides a locker, the locker comprising:
the first connecting part is provided with an unlocking part and a first locking part which are connected;
the second connecting part is provided with a second locking part, and the first locking part and the second locking part can be unlocked and connected;
when the first locking part and the second locking part are in a locked state, the unlocking part is driven to unlock the first locking part and the second locking part.
Further, the first locking part comprises a fixing seat, a sliding plate and two hooks, the fixing seat is provided with a groove, the sliding plate is arranged in the groove, two ends of the sliding plate are respectively connected with the two hooks, a first elastic piece is arranged between the two hooks, and the sliding plate is connected with the unlocking part;
the unlocking part is driven and drives the sliding plate to move in the groove, so that the two clamping hooks are opened relatively.
Further, the sliding plate is provided with a sliding groove, the clamping hook comprises a first supporting part and a first hooking part which are connected, and the first supporting part is connected with the sliding groove in a sliding way;
the clamping hook is provided with a rotating hole, and the rotating hole is arranged at the joint of the first supporting part and the first hook part;
the fixing seat is provided with two rotating shafts which are respectively connected with the rotating holes of the two clamping hooks in a rotating way.
Further, the sliding plate is provided with a connecting shaft, the unlocking part comprises a pull ring and a connecting piece, one end of the connecting piece is connected with the pull ring, and the other end of the connecting piece is connected with the connecting shaft.
Further, the locking device is applied to electronic equipment, the electronic equipment comprises a first main body and a second main body, the first connecting part is arranged on the first main body, the second connecting part is arranged on the second main body, and the fixing seat is fixedly arranged on the first main body;
the first main body part is provided with an installation groove, and the first connecting part is arranged in the installation groove; and/or
The two sides of the connecting piece are provided with second elastic arms, the first main body is provided with a baffle, and the second elastic arms are abutted under the baffle; and/or
The first main body is provided with a containing groove, and the connecting piece is arranged in the containing groove and moves along the containing groove under the drive of the pull ring; and/or
One of the first main body and the connecting piece is provided with a limit column, the other one of the first main body and the connecting piece is provided with a limit groove, and the length direction of the limit groove is the same as the moving direction of the connecting piece; and/or
The first main body is provided with a movable groove, the pull ring is arranged in the movable groove, and the movable groove is provided with a space allowance for the pull ring to move upwards.
Further, clamping grooves are formed in two sides of the second locking portions, and the clamping grooves are clamped with the first hook portions.
Further, the first hook part is provided with a first arc surface and a first plane, the first plane is arranged on the upper end surface of the first hook part, the first arc surface is arranged on the lower end surface of the first hook part, and one edge of the first arc surface is connected with one edge of the first plane;
the second latch part is provided with a second sub latch part, two clamping grooves are formed in two sides of the second sub latch part, the second sub latch part is provided with a second arc surface and a second plane, the second plane is an inner wall surface of the clamping groove, the second arc surface is arranged on the upper end surface of the second sub latch part, and one edge of the second arc surface is connected with one edge of the second plane.
Further, the two sides of the bottom of the second connecting part are provided with connecting lugs, and the connecting lugs are used for being fixedly connected with the second main body.
Further, the first branch part is provided with a bearing, and the bearing is connected with the sliding groove; and/or
The pull ring is connected with the connecting piece through a fastener.
In a second aspect, the present utility model provides a cardiopulmonary resuscitation machine, comprising a catch arrangement according to any one of the first aspects, a support arm, and a base plate;
the locking device comprises a first connecting part and a second connecting part, wherein the first connecting part is arranged on the support arm, and the second connecting part is arranged on the bottom plate.
Compared with the prior art, the locking device has the beneficial effects that: the locking device comprises a first connecting part and a second connecting part. The first connecting portion is provided with a connected unlocking portion and a first locking portion, the second connecting portion is provided with a second locking portion, and the first locking portion and the second locking portion can be unlocked and connected. Because when first hasp portion and second hasp portion are the pinning state, drive unblock portion makes first hasp portion and second hasp portion unblock to realize the unblock simply, and then with overcoming locker structure complicacy, the inconvenient problem of unblock.
Drawings
FIG. 1 is a schematic view of a part of a central pulmonary resuscitation machine according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the arm of the CPR machine according to the embodiment of the present utility model;
FIG. 3 is a schematic view of the floor of a CPR machine according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of the overall structure of a latch device according to an embodiment of the present utility model;
FIG. 5 is a schematic structural view of a first connecting portion disposed on a support arm according to an embodiment of the present utility model;
fig. 6 is a schematic structural view of a hook according to an embodiment of the present utility model
FIG. 7 is a schematic structural diagram of a fixing base according to an embodiment of the present utility model;
FIG. 8 is a schematic view of a sliding plate according to an embodiment of the present utility model;
fig. 9 is a schematic structural diagram of a first connection portion according to an embodiment of the present utility model.
In the drawings, each reference numeral denotes: 100. a locking device; 200. a cardiopulmonary resuscitator; 210. a support arm; 2101. a baffle; 2102. a receiving groove; 2103. a limit column; 2104. a movable groove; 2105. a mounting groove; 220. a bottom plate; 1. a first connection portion; 11. an unlocking part; 111. a pull ring; 112. a connecting piece; 1121. a second elastic arm; 1122. a limit groove; 12. a first locking part; 121. a fixing seat; 1211. a groove; 1212. a rotating shaft; 122. a sliding plate; 1221. a sliding groove; 1222. a connecting shaft; 123. a clamping hook; 1231. a first leg; 1232. a first hook portion; 12321. a first arc surface; 12322. a first plane; 1233. a rotation hole; 124. a first elastic member; 2. a second connecting portion; 21. a second locking part; 211. a clamping groove; 212. a second sub-latch part; 2121. a second arc surface; 2122. a second plane; 22. and a connecting lug.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In view of the problems of complex structure and inconvenient unlocking of the locking device 100 of the arm 210 and the bottom plate 220 of the conventional cardiopulmonary resuscitation device 200, the present utility model provides a locking device 100 and a cardiopulmonary resuscitation device 200.
Non-limiting embodiments of the present utility model will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the embodiment of the present utility model is a scenario in which the locker 100 is applied, that is, the locker 100 is applied to an electronic device, and in some embodiments, the electronic device is exemplified by a cardiopulmonary resuscitation machine 200. Referring to FIG. 2, a schematic diagram of a boom 210 of a CPR 200 according to an embodiment of the present utility model is shown; referring now to FIG. 3, a schematic diagram of the floor 220 of a CPR 200 according to an embodiment of the present utility model is shown; fig. 4 is a schematic diagram showing the overall structure of a latch device 100 according to an embodiment of the present utility model; as shown in fig. 5, in the embodiment of the present utility model, the first connecting portion 1 is disposed on the support arm 210.
As can be seen from the figures, the locker 100 comprises a first connection part 1 and a second connection part 2. The first connecting part 1 is provided with an unlocking part 11 and a first locking part 12 which are connected, the second connecting part 2 is provided with a second locking part 21, and the first locking part 12 and the second locking part 21 can be unlocked and connected. Because when the first locking portion 12 and the second locking portion 21 are in the locked state, the unlocking portion 11 is driven to unlock the first locking portion 12 and the second locking portion 21, unlocking is simple, and thus the problem that the locking device 100 is complex in structure and inconvenient to unlock is solved. Illustratively, the first connecting portion 1 is disposed on the support arm 210, the second connecting portion 2 is disposed on the bottom plate 220, the first connecting portion 1 and the second connecting portion 2 are buckled to connect the support arm 210 with the bottom plate 220, and the first connecting portion 1 and the second connecting portion 2 are unlocked to separate the support arm 210 from the bottom plate 220.
In the related art, the locking device 100 has a complex structure and inconvenient unlocking, and the locking or engaging is time-consuming and complex. In some embodiments of the present application, the first locking portion 12 includes a fixing base 121, a sliding plate 122 and two hooks 123, the fixing base 121 is provided with a groove 1211, the sliding plate 122 is disposed in the groove 1211, two ends of the sliding plate 122 are respectively connected with the two hooks 123, a first elastic member 124 is disposed between the two hooks 123, one end of the first elastic member 124 is connected with one hook 123, the other end is connected with the other hook 123, and the first elastic member 124 provides an elastic force for making the two hooks 123 approach each other. The slide plate 122 is connected to the unlocking portion 11. The unlocking part 11 is driven, and the unlocking part 11 drives the sliding plate 122 to move in the groove 1211, so that the two hooks 123 are opened relatively. For example, two hooks 123 are used for clamping the second connecting portion 2, one end of each hook 123 is slidably connected to the sliding plate 122, the other end is a free end, the unlocking portion 11 drives the sliding plate 122 to move in the groove 1211, and pulls one end of each hook 123, so that the free ends of the two hooks 123 are opened relatively, and the second connecting portion 2 is separated from the two hooks 123, and at this time, the unlocking of the first connecting portion 1 and the second connecting portion 2 can be achieved. It will be appreciated that the snap-fit of the present utility model is achieved by the relative closure of the two hooks 123, and that the snap-fit/snap-fit is simple and not time consuming.
In some embodiments, the sliding plate 122 is provided with a sliding groove 1221, as shown in fig. 6, the hook 123 includes a first branch portion 1231 and a first hook portion 1232 connected to each other, and a predetermined angle is provided between the first branch portion 1231 and the first hook portion 1232. The first leg 1231 is slidably coupled to the sliding groove 1221. The hook 123 is provided with a rotation hole 1233, and the rotation hole 1233 is disposed at a connection portion between the first branch portion 1231 and the first hook portion 1232. As shown in fig. 7, the fixing base 121 is provided with two rotating shafts 1212, and the two rotating shafts 1212 are respectively rotatably connected to the rotating holes 1233 of the two hooks 123. The hook 123 may rotate around the rotation shaft 1212, thereby achieving rotation of the first leg 1231 and the first hook 1232. Illustratively, pulling up the unlocking portion 11, the sliding plate 122 moves up in the groove 1211, at which time the first leg 1231 is driven by the sliding plate 122, so that the two first legs 1231 are relatively close, and the two first hooks 1232 are relatively far apart, i.e., the two first hooks 1232 are open. So configured, the first coupling part 1 and the second coupling part 2 can be unlocked when the two first hooks 1232 are opened.
In some embodiments, as shown in fig. 8, the sliding plate 122 is provided with a connection shaft 1222, the unlocking part 11 includes a pull ring 111 and a connection member 112, one end of the connection member 112 is connected to the pull ring 111, and the other end is connected to the connection shaft 1222, so that the sliding plate 122 is connected to the unlocking part 11. The tab 111 is driven upward, and the link 112 moves upward following the tab 111 so that the slide plate 122 connected to the link 112 also moves upward.
In some embodiments, the latch device 100 is applied to an electronic device, and the electronic device includes a first body and a second body, where the first connecting portion 1 is disposed on the first body, the second connecting portion 2 is disposed on the second body, and the fixing base is fixedly disposed on the first body. As can be seen from the above embodiments, the electronic device may be a cardiopulmonary resuscitation machine 200, the first body may be a support arm 210, the second body may be a base plate 220, so that the support arm 210 and the base plate 220 are connected by buckling the first connecting portion 1 and the second connecting portion 2, and the support arm 210 and the base plate 220 are unlocked by unlocking the first connecting portion 1 and the second connecting portion 2.
Illustratively, the second elastic arms 1121 are disposed on two sides of the connecting member 112, the first body is provided with a baffle 2101, the second elastic arms 1121 abut under the baffle 2101, when the pull ring 111 is pulled upward, the connecting member 112 moves upward, the second elastic arms 1121 are compressed and abut under the baffle 2101, when the pull ring 111 is released, the force driving the connecting member 112 to move upward disappears, and at this time, the second elastic arms 1121 are reset, so that the connecting member 112 moves downward.
Illustratively, the first body is provided with a receiving groove 2102, and the connector 112 is provided in the receiving groove 2102 and is moved along the receiving groove 2102 by the tab 111. The receiving groove 2102 limits the link 112 so that the link 112 can move only up and down in the height direction when moving.
Illustratively, one of the first body and the connecting member 112 is provided with a limiting post 2103, and the other is provided with a limiting groove 1122, and the length direction of the limiting groove 1122 is the same as the moving direction of the connecting member 112. The stopper 2103 is connected to the stopper groove 1122 to restrict the movement of the link 112, so that the link 112 can move only up and down in the height direction when moving.
Illustratively, the first body is provided with a movable slot 2104, the pull ring 111 is disposed in the movable slot 2104, and the movable slot 2104 has a space allowance for the pull ring 111 to move upward, so as to ensure that the pull ring 111 can be pulled upward. It will be appreciated that when the tab 111 is not pulled, the tab 111 is in close proximity to the bottom of the movable slot 2104. In the above embodiment, the second elastic arm 1121 is reset to move the connecting member 112 downward, so that the pull ring 111 is tightly attached to the bottom of the movable slot 2104.
In an embodiment, the two sides of the second locking portion 21 are provided with the clamping grooves 211, and the clamping grooves 211 are engaged with the first hook portions 1232, so that the locking structure is simple and easy to be locked.
In an embodiment, referring to fig. 6 again, the first hook portion 1232 is provided with a first circular arc surface 12321 and a first plane 12322, the first plane 12322 is disposed on an upper end surface of the first hook portion 1232, the first circular arc surface 12321 is disposed on a lower end surface of the first hook portion 1232, and an edge of the first circular arc surface 12321 is connected to an edge of the first plane 12322. As shown in fig. 9, the second locking portion 21 is provided with a second sub-locking portion 212, two clamping grooves 211 are disposed on two sides of the second sub-locking portion 212, the second sub-locking portion 212 is provided with a second circular arc surface 2121 and a second plane 2122, the second plane 2122 is an inner wall surface of the clamping groove 211, the second circular arc surface 2121 is disposed on an upper end surface of the second sub-locking portion 212, and an edge of the second circular arc surface 2121 is connected to an edge of the second plane 2122. The first circular arc surface 12321 and the second circular arc surface 2121 facilitate the two first hook portions 1232 and the second sub-locking portions 212 to be engaged/locked, and the first plane 12322 and the second plane 2122 can prevent the second sub-locking portions 212 from sliding off the two first hook portions 1232 after the two first hook portions 1232 and the second sub-locking portions 212 are engaged. For example, when the first connection portion 1 and the second connection portion 2 need to be connected, the two first hook portions 1232 and the second sub-locking portions 212 gradually approach each other, the first arc surface 12321 and the second arc surface 2121 abut against each other, and the two first hook portions 1232 and the second sub-locking portions 212 continue to approach each other, and the arc surfaces of the first arc surface 12321 and the second arc surface 2121 are smooth, so that the two first hook portions 1232 are relatively opened. After the first connection part 1 and the second connection part 2 are buckled, the first plane 12322 and the second plane 2122 are abutted, so that the first connection part 1 and the second connection part 2 can be tightly buckled, and the first connection part 1 and the second connection part 2 can be prevented from slipping.
In an embodiment, the two sides of the bottom of the second connecting portion 2 are provided with connecting lugs 22, and the connecting lugs 22 are used for fixedly connecting with the second main body, so as to facilitate the installation of the second connecting portion 2 into the bottom plate 220. Illustratively, the connecting lugs 22 are mounted to the second connecting portion 2 by fasteners for ease of installation and removal.
In one embodiment, the first leg 1231 is provided with a bearing that is coupled to the sliding groove 1221. The bearing may be a sliding bearing, a rolling bearing for reducing friction of the first leg 1231 moving in the sliding groove 1221.
In one embodiment, the pull ring 111 and the connector 112 are connected by fasteners to facilitate installation and removal.
The utility model also provides a cardiopulmonary resuscitation machine 200, the cardiopulmonary resuscitation machine 200 comprising a locker 100 according to any one of the above, a support arm 210, and a base plate 220. The latch device 100 includes a first connecting portion 1 and a second connecting portion 2, the first connecting portion 1 is disposed on a support arm 210, the support arm 210 is provided with a mounting groove 2105, and the first connecting portion 1 is disposed in the mounting groove 2105. The second connecting portion 2 is provided at the bottom plate 220. The structure and the corresponding advantages of the locker 100 are described in detail in the above embodiments, and since the cardiopulmonary resuscitation machine 200 includes the locker 100, the same has all the structures and the corresponding advantages of the locker 100, which are not described herein.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. A locker, the locker comprising:
the first connecting part is provided with an unlocking part and a first locking part which are connected;
the second connecting part is provided with a second locking part, and the first locking part and the second locking part can be unlocked and connected;
when the first locking part and the second locking part are in a locked state, the unlocking part is driven to unlock the first locking part and the second locking part.
2. The locking device according to claim 1, wherein the first locking portion comprises a fixing seat, a sliding plate and two hooks, the fixing seat is provided with a groove, the sliding plate is arranged in the groove, two ends of the sliding plate are respectively connected with the two hooks, a first elastic piece is arranged between the two hooks, and the sliding plate is connected with the unlocking portion;
the unlocking part is driven and drives the sliding plate to move in the groove, so that the two clamping hooks are opened relatively.
3. The latch according to claim 2, wherein the sliding plate is provided with a sliding groove, and the hook comprises a first leg and a first hook portion connected to each other, and the first leg is slidably connected to the sliding groove;
the clamping hook is provided with a rotating hole, and the rotating hole is arranged at the joint of the first supporting part and the first hook part;
the fixing seat is provided with two rotating shafts which are respectively connected with the rotating holes of the two clamping hooks in a rotating way.
4. A latch according to claim 3, wherein the slide plate is provided with a connecting shaft, and the unlocking portion includes a tab and a connecting member, one end of the connecting member being connected to the tab, and the other end being connected to the connecting shaft.
5. The locker of claim 4, wherein the locker is applied to an electronic device, the electronic device comprises a first main body and a second main body, the first connecting part is arranged on the first main body, the second connecting part is arranged on the second main body, and the fixing seat is fixedly arranged on the first main body;
the two sides of the connecting piece are provided with second elastic arms, the first main body is provided with a baffle, and the second elastic arms are abutted under the baffle; and/or
The first main body is provided with a containing groove, and the connecting piece is arranged in the containing groove and moves along the containing groove under the drive of the pull ring; and/or
One of the first main body and the connecting piece is provided with a limit column, the other one of the first main body and the connecting piece is provided with a limit groove, and the length direction of the limit groove is the same as the moving direction of the connecting piece; and/or
The first main body is provided with a movable groove, the pull ring is arranged in the movable groove, and the movable groove is provided with a space allowance for the pull ring to move upwards.
6. The locking device according to claim 5, wherein two sides of the second locking portion are provided with a clamping groove, and the clamping groove is clamped with the first hook portion.
7. The latch mechanism according to claim 6, wherein said first hook portion has a first arcuate surface and a first plane, said first plane is disposed on an upper end surface of said first hook portion, said first arcuate surface is disposed on a lower end surface of said first hook portion, and an edge of said first arcuate surface is connected to an edge of said first plane;
the second latch part is provided with a second sub latch part, two clamping grooves are formed in two sides of the second sub latch part, the second sub latch part is provided with a second arc surface and a second plane, the second plane is an inner wall surface of the clamping groove, the second arc surface is arranged on the upper end surface of the second sub latch part, and one edge of the second arc surface is connected with one edge of the second plane.
8. The locking device according to claim 6, wherein two sides of the bottom of the second connecting portion are provided with connecting lugs, and the connecting lugs are fixedly connected with the second main body.
9. The latch according to claim 4, wherein said first leg is provided with a bearing, said bearing being connected to said sliding channel; and/or
The pull ring is connected with the connecting piece through a fastener.
10. A cardiopulmonary resuscitation machine comprising a latch device according to any one of claims 1 to 9, a support arm, and a base plate;
the locking device comprises a first connecting part and a second connecting part, the first connecting part is arranged on the support arm, the support arm is provided with a mounting groove, and the first connecting part is arranged in the mounting groove;
the second connecting part is arranged on the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321862538.4U CN220378622U (en) | 2023-07-14 | 2023-07-14 | Locking device and cardiopulmonary resuscitation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321862538.4U CN220378622U (en) | 2023-07-14 | 2023-07-14 | Locking device and cardiopulmonary resuscitation machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378622U true CN220378622U (en) | 2024-01-23 |
Family
ID=89572003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321862538.4U Active CN220378622U (en) | 2023-07-14 | 2023-07-14 | Locking device and cardiopulmonary resuscitation machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378622U (en) |
-
2023
- 2023-07-14 CN CN202321862538.4U patent/CN220378622U/en active Active
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