Sensor connector, sensor mechanism and ventilator

Abstract

The utility model belongs to the technical field of medical devices, and particularly relates to a sensor connector, a sensor mechanism and a ventilator. The sensor connector includes a connector shell provided with an internal space and a control panel provided with a pin; a docking groove is provided on the outer wall of the connector shell, a through hole connected to the internal space is provided on the inner wall of the docking groove, the control panel is installed in the internal space, and the pin extends out to the through hole from one end away from the control panel; a first extension arm and a second extension arm are also provided on the outer wall of the connector shell, which are located on opposite sides of the docking groove, a first hook is provided on the first extension arm, and a second hook is provided on the second extension arm. In the utility model, the two hooks can be connected with the sensor from both sides, which ensures the stability of the sensor installed on the sensor connector, and the stability of the sensor installed on the sensor connector can still be maintained after the sensor and the sensor connector have been disassembled and assembled many times.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to a sensor connector, a sensor mechanism and a ventilator. Background Art

[0002] A ventilator is a medical device that can replace, control or change a person's normal physiological breathing, increase lung ventilation, improve respiratory function, reduce respiratory work consumption, and save heart reserve capacity. The flow sensor is an important component for detecting gas flow on a ventilator, and in order to improve the convenience of cleaning, disinfection, and replacement of the flow sensor, the flow sensor is usually detachably installed on the ventilator through a buckle structure.

[0003] Although there are various existing buckle structures, the flow sensor needs to be frequently disassembled from the ventilator. Although there are various existing buckle structures, after multiple disassembly and assembly, the flow sensor installed in the buckle structure is unstable. In addition, the existing buckle structure also has the technical problem of inconvenient operation. Utility Model Content

[0004] The utility model aims at the technical problem that a flow sensor is unstable when installed on a buckle structure in the prior art, and provides a sensor connector, a sensor mechanism and a respirator.

[0005] In view of the above technical problems, the first embodiment of the utility model provides a sensor connector, comprising a connector housing provided with an internal space and a control board provided with a pin; a docking groove is provided on the outer wall of the connector housing, a through hole communicating with the internal space is provided on the inner wall of the docking groove, the control board is installed in the internal space, and one end of the pin away from the control board extends to the through hole;

[0006] The outer wall of the joint housing is further provided with a first extension arm and a second extension arm located at opposite sides of the docking groove, the first extension arm is provided with a first hook, and the second extension arm is provided with a second hook.

[0007] Optionally, the first hook extends toward the second extension arm, the second hook extends toward the first extension arm, and the length of the first extension arm is smaller than the length of the second extension arm.

[0008] Optionally, a pressing groove is provided on an outer wall of the joint housing at one end away from the docking groove.

[0009] Optionally, the joint housing comprises an upper housing, a sealing ring and a lower housing, the upper housing is mounted on the lower housing, and the internal space is surrounded by the upper housing and the lower housing; the docking groove, the first extension arm and the second extension arm are all arranged on the outer wall of the upper housing;

[0010] The sealing ring is installed between the upper shell and the lower shell, and is used to seal the gap at the connection between the upper shell and the lower shell.

[0011] Optionally, the sensor joint further comprises a sealant layer filled in the docking groove.

[0012] Optionally, the connector housing is further provided with a wiring hole connected to the internal space; the sensor connector further comprises a data line, one end of the data line passes through the wiring hole and extends into the internal space and is electrically connected to the control board.

[0013] The second embodiment of the utility model further provides a sensing mechanism, comprising a sensor and the above-mentioned sensing structure; the sensor is provided with a receiving groove and a plug-in convex edge arranged around the receiving groove, and a docking piece adapted to the plug pin is arranged in the receiving groove; the sensor is also provided with a first clamping arm adapted to the first clamping hook, and a second clamping arm adapted to the second clamping hook;

[0014] When the sensor is installed on the sensor connector, the first hook is engaged with the first arm, the second arm is engaged with the second arm, the plug-in protrusion is plugged into the docking groove, and the plug pin is electrically connected to the docking piece.

[0015] Optionally, the sensor is a flow sensor.

[0016] Optionally, the second hook is provided with a positioning protrusion extending toward the docking groove, and the second arm is provided with a positioning groove adapted to the positioning protrusion;

[0017] When the second hook is engaged with the second arm, the positioning protrusion is inserted into the positioning groove.

[0018] The third embodiment of the present invention further provides a breathing machine, comprising the above-mentioned sensing mechanism.

[0019] In the utility model, a first extension arm and a second extension arm located on opposite sides of the docking groove are further provided on the outer wall of the joint shell, a first hook is provided on the first extension arm, and a second hook is provided on the second extension arm; when the sensor is installed on the joint shell, the first hook is engaged with the first arm of the sensor, and the second hook is engaged with the second arm of the sensor, and the two hooks can be engaged with the sensor from both sides, thereby ensuring the stability of the sensor installed on the sensor joint, and the stability of the sensor installed on the sensor joint can still be achieved after the sensor and the sensor joint have been disassembled and assembled many times. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 It is a structural schematic diagram of a sensor connector provided by an embodiment of the utility model;

[0022] Figure 2 is a cross-sectional view of a sensor connector provided by an embodiment of the utility model;

[0023] Figure 3 It is a structural schematic diagram of a sensing mechanism provided by an embodiment of the utility model;

[0024] Figure 4 It is a structural schematic diagram of a sensor provided by an embodiment of the utility model;

[0025] Figure 5 It is a structural schematic diagram of a sensor provided by an embodiment of the utility model from another perspective.

[0026] The reference numerals in the specification are as follows:

[0027] 1. Sensor connector; 11. Connector housing; 111. Internal space; 112. Docking groove; 113. First extension arm; 1131. First hook; 114. Second extension arm; 1141. Second hook; 1142. Positioning convex portion; 115. Pressing groove; 116. Upper housing; 117. Sealing ring; 118. Lower housing; 12. Control board; 121. Pin; 13. Data cable; 2. Sensor; 21. Accommodating groove; 22. Insertion convex edge; 23. Docking piece; 24. First arm; 25. Second arm; 251. Positioning groove. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] It should be understood that the directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "front", "back", and "middle" are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation of the present invention.

[0030] like Figures 1 to 3 As shown, a sensor connector 1 provided in one embodiment of the utility model comprises a connector housing 11 provided with an internal space 111 and a control board 12 provided with a pin 121; a docking groove 112 is provided on the outer wall of the connector housing 11, a through hole (not shown in the figure) connected to the internal space 111 is provided on the inner wall of the docking groove 112, the control board 12 is installed in the internal space 111, and the pin 121 extends from one end away from the control board 12 to the through hole; it can be understood that the docking groove 112 is arranged on the top of the connector housing 11, and the through hole is arranged on the bottom wall of the docking groove 112.

[0031] The outer wall of the joint housing 11 is further provided with a first extension arm 113 and a second extension arm 114 located at opposite sides of the docking groove 112, the first extension arm 113 is provided with a first hook 1131, and the second extension arm 114 is provided with a second hook 1141. It can be understood that the first extension arm 113 and the second extension arm 114 both extend toward the top of the joint housing 11, and the first extension arm 113 and the second extension arm 114 are respectively located at the left and right sides of the docking groove 112.

[0032] In the utility model, a first extension arm 113 and a second extension arm 114 located on opposite sides of the docking groove 112 are further provided on the outer wall of the connector housing 11, and a first hook 1131 is provided on the first extension arm 113, and a second hook 1141 is provided on the second extension arm 114; when the sensor 2 is installed on the connector housing 11, the first hook 1131 is engaged with the first arm 24 of the sensor 2, and the second hook 1141 is engaged with the second arm 25 of the sensor 2. The two hooks can be engaged with the sensor 2 from both sides, thereby ensuring the stability of the sensor 2 installed on the sensor connector 1, and after the sensor 2 and the sensor connector 1 have been disassembled and assembled many times, the stability of the sensor 2 installed on the sensor connector 1 can still be maintained.

[0033] In one embodiment, if Figure 1 and Figure 2As shown, the first hook 1131 extends toward the second extension arm 114, the second hook 1141 extends toward the first extension arm 113, and the length of the first extension arm 113 is less than the length of the second extension arm 114. It can be understood that the first hook 1131 is located above the second hook 1141, so that the first hook 1131 is engaged with the left side of the bottom of the sensor 2, and the second hook 1141 is engaged with the right side of the top of the sensor 2 (as shown in FIG. Figure 3 As shown), the stability of the sensor 2 installed on the sensor connector 1 is further ensured.

[0034] In one embodiment, if Figure 2 As shown, a pressing groove 115 is provided on the outer wall of the joint housing 11 at one end away from the docking groove 112. It can be understood that the pressing groove 115 is provided at the bottom of the joint housing 11.

[0035] The disassembly steps between the sensor 2 and the sensor connector 1 are: the user's left thumb presses the pressing groove 115, the left index finger presses the second hook 1141, and then the right hand rotates the sensor 2, so that the first hook 1131 and the second hook 1141 can be disconnected from the sensor 2, that is, the sensor 2 is disassembled from the sensor connector 1. In this embodiment, the disassembly operation between the sensor 2 and the sensor connector 1 is simple.

[0036] In one embodiment, if Figure 1 and Figure 2 As shown, the connector housing 11 includes an upper housing 116, a sealing ring 117 and a lower housing 118, wherein the upper housing 116 is mounted on the lower housing 118, and the inner space 111 is enclosed between the upper housing 116 and the lower housing 118; the docking groove 112, the first extension arm 113 and the second extension arm 114 are all arranged on the outer wall of the upper housing 116; it can be understood that the upper housing 116 and the lower housing 118 can be connected through a plug-in structure; the upper housing 116 is provided with a first half space, and the lower housing 118 is provided with a second half space; when the upper housing 116 is mounted on the lower housing 118, the first half space and the second half space enclose the inner space 111. Further, the pressing groove 115 is arranged at the bottom of the lower housing 118.

[0037] The sealing ring 117 is installed between the upper shell 116 and the lower shell 118, and is used to seal the gap at the connection between the upper shell 116 and the lower shell 118. It can be understood that the sealing ring 117 is pressed tightly at the connection between the upper shell 116 and the lower shell 118, thereby ensuring the sealing of the connection between the upper shell 116 and the lower shell 118, and preventing moisture from entering the internal space 111 through the gap at the connection between the upper shell 116 and the lower shell 118 and causing damage to the circuit board 12.

[0038] In one embodiment, the sensor connector 1 further comprises a sealant layer (not shown) filled in the docking groove 112. It can be understood that the sealant layer can be formed by solidifying the sealant filled in the docking groove 112.

[0039] In one embodiment, if Figure 1 As shown, the connector housing 11 is also provided with a wiring hole connected to the internal space 111; the sensor connector 1 also includes a data line 13, one end of the data line 13 passes through the wiring hole and then extends into the internal space 111 and is electrically connected to the control board 12. It can be understood that the wiring hole is provided on the lower housing 118, and the provision of the data line 13 facilitates the connection of the sensor connector 1 with external devices.

[0040] like Figures 1 to 5 As shown, the second embodiment of the utility model also provides a sensing mechanism, including a sensor 2 and the above-mentioned sensing structure; the sensor 2 is provided with a receiving groove 21 and a plugging convex edge 22 arranged around the receiving groove 21, and a docking piece 23 adapted to the plug pin 121 is arranged in the receiving groove 21; the sensor 2 is also provided with a first clamp arm 24 adapted to the first clamp hook 1131, and a second clamp arm 25 adapted to the second clamp hook 1141; it can be understood that the receiving groove 21 is arranged at the bottom of the sensor 2, the first clamp arm 24 is arranged at the left side of the top of the sensor 2, and the second clamp arm 25 is arranged at the right side of the bottom of the sensor 2; the docking piece 23 includes but is not limited to a jack, a conductive part, etc. Preferably, the sensor 2 is a flow sensor.

[0041] When the sensor 2 is installed on the sensor connector 1, the first hook 1131 is engaged with the first arm 24, the second arm 25 is engaged with the second arm 25, the plug-in protrusion 22 is inserted into the docking groove 112, and the plug-in pin 121 is electrically connected to the docking piece 23 (the plug-in pin 121 is in contact with the docking piece 23 so that the plug-in pin 121 is electrically connected to the docking piece 23).

[0042] In the present invention, the steps of installing the sensor 2 on the sensor connector 1 are as follows: the sensor 2 is docked with the sensor connector 1 from top to bottom until the plugging protrusion 22 is plugged into the docking groove 112, at which time the first hook 1131 will automatically be engaged with the first arm 24, and the second hook 1141 will automatically be engaged with the second arm 25. In this embodiment, the operation of installing the sensor 2 on the sensor 2 structure is simple, and the plugging protrusion 22 plugged into the docking groove 112 ensures the sealing of the docking point between the sensor 2 and the sensor connector 1.

[0043] The steps of removing the sensor 2 from the sensor connector 1 are as follows: the user's left thumb presses the pressing groove 115, the left index finger presses the second hook 1141, and then the right hand rotates the sensor 2, so that the first hook 1131 and the second hook 1141 can be disconnected from the sensor 2, that is, the sensor 2 is removed from the sensor connector 1. In this embodiment, the disassembly operation between the sensor 2 and the sensor connector 1 is simple.

[0044] In one embodiment, if Figure 1 and Figure 4 As shown, the second hook 1141 is provided with a positioning protrusion 1142 extending toward the docking groove 112, and the second arm 25 is provided with a positioning groove 251 adapted to the positioning protrusion 1142; the positioning protrusion 1142 can extend downward.

[0045] When the second hook 1141 is engaged with the second arm 25, the positioning protrusion 1142 is inserted into the positioning groove 251. In this embodiment, when the sensor 2 is installed on the sensor connector 1, the first hook 1131 is engaged with the first arm 24, the second hook 1141 is engaged with the second arm 25, and the positioning protrusion 1142 is engaged with the positioning groove 251, which further ensures the stability of the sensor 2 installed on the sensor connector 1.

[0046] The third embodiment of the present invention further provides a breathing machine, comprising the above-mentioned sensing mechanism.

[0047] The above are only embodiments of the sensor connector of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sensor connector, characterized in that: It comprises a connector housing with an internal space and a control board with a plug pin; the connector housing is provided with a docking groove on the outer wall, the docking groove is provided with a through hole communicating with the internal space on the inner wall, the control board is installed in the internal space, and the plug pin extends from one end away from the control board to the through hole; The outer wall of the joint housing is further provided with a first extension arm and a second extension arm located at opposite sides of the docking groove, the first extension arm is provided with a first hook, and the second extension arm is provided with a second hook.

2. The sensor connector according to claim 1, characterized in that: The first hook extends toward the second extension arm, the second hook extends toward the first extension arm, and the length of the first extension arm is smaller than the length of the second extension arm.

3. The sensor connector according to claim 1, characterized in that: A pressing groove is provided on the outer wall of the joint housing at one end away from the docking groove.

4. The sensor connector according to claim 1, characterized in that: The joint housing comprises an upper housing, a sealing ring and a lower housing, wherein the upper housing is mounted on the lower housing, and the internal space is surrounded by the upper housing and the lower housing; the docking groove, the first extension arm and the second extension arm are all arranged on the outer wall of the upper housing; The sealing ring is installed between the upper shell and the lower shell, and is used to seal the gap at the connection between the upper shell and the lower shell.

5. The sensor connector according to claim 1, characterized in that: The sensor joint further comprises a sealant layer filled in the butt joint groove.

6. The sensor connector according to claim 1, characterized in that: The connector housing is also provided with a wiring hole connected to the internal space; the sensor connector also includes a data line, one end of which passes through the wiring hole and then extends into the internal space and is electrically connected to the control board.

7. A sensing mechanism, characterized in that: The sensor comprises a sensor and a sensor connector as claimed in any one of claims 1 to 6; the sensor is provided with a receiving groove and a plug-in convex edge arranged around the receiving groove, and a docking piece adapted to the plug pin is arranged in the receiving groove; the sensor is also provided with a first clamping arm adapted to the first clamping hook, and a second clamping arm adapted to the second clamping hook; When the sensor is installed on the sensor connector, the first hook is engaged with the first arm, the second arm is engaged with the second arm, the plug-in protrusion is plugged into the docking groove, and the plug pin is electrically connected to the docking piece.

8. The sensing mechanism according to claim 7, characterized in that: The sensor is a flow sensor.

9. The sensing mechanism according to claim 7, characterized in that: The second hook is provided with a positioning protrusion extending toward the docking groove, and the second arm is provided with a positioning groove adapted to the positioning protrusion; When the second hook is engaged with the second arm, the positioning protrusion is inserted into the positioning groove.

10. A ventilator, characterized in that: Comprising the sensing mechanism as described in any one of claims 7 to 9.

Images