Lead frame structure of blood oxygen sensor packaging assembly

Abstract

The invention relates to the technical field of blood oxygen sensors, and discloses a blood oxygen sensor packaging assembly lead frame structure which comprises a base, a motor is fixedly connected to the surface of the base, a transmission rod is fixedly connected to the output end of the motor, and a blood oxygen sensor is fixedly connected to the surface of the base. The surface of the blood oxygen sensor is fixedly connected with a connecting line. Through the arrangement of the supporting mechanism, when a sensor needs to be assembled, a connecting wire is firstly placed in a placement ring, then a motor is started to drive a transmission rod to rotate, when the transmission rod rotates, a two-way screw is driven to rotate, and when the two-way screw rotates, connecting rods are made to move in the direction close to each other; when the connecting rod moves, the driven rod is driven to move, the connecting rod drives the driven rod to move and meanwhile drives the sliding plate to move in the direction close to each other, the sliding plate pushes the lifting rod while moving and enables the lifting rod to extend upwards, and when the lifting rod extends, the placing ring at the end is pushed to move upwards.

Description

Technical Field

[0001] The present invention relates to the technical field of blood oxygen sensor equipment, and in particular to a lead frame structure of a blood oxygen sensor packaging component. Background Art

[0002] The blood oxygen saturation sensor is an instrument for measuring the oxygen concentration in human blood, namely the blood oxygen saturation. The sensor consists of two light-emitting tubes and a photoelectric tube. It can timely understand the oxygen content in the blood during surgical operations or monitoring of critically ill patients.

[0003] The existing lead frame is generally set on the bottom wall of the sensor housing. When the housing is deep, the operator will be disturbed by the end edges of the housing and internal components when receiving the wires in the lead frame, and the narrow operating space in the housing cannot guarantee the combing effect of the wires. Once the unfixed wires are lifted up, they will interfere with the packaging of the sensor housing, that is, the wires between the two halves of the housing will affect their mutual closure. Summary of the invention

[0004] The object of the present invention is to provide a lead frame structure of a blood oxygen sensor package assembly to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: The present invention is a lead frame structure of a blood oxygen sensor packaging component, comprising a base, a motor is fixedly connected to the surface of the base, a transmission rod is fixedly connected to the output end of the motor, a blood oxygen sensor is fixedly connected to the surface of the base, a connecting wire is fixedly connected to the surface of the blood oxygen sensor, an electric push rod is fixedly connected to the end of the base, a slide groove is opened on the surface of the base, a wire receiving frame is fixedly connected to the surface of the base, and further comprising: A support mechanism, the support mechanism comprising a push rod, an end of the push rod is fixedly connected to a lifting rod, and a surface of the lifting rod is fixedly connected to a limit spring; A limiting mechanism, wherein the limiting mechanism comprises a clamping plate, an inner wall of the clamping plate is fixedly connected to a limiting rod, a surface of the limiting rod is fixedly connected to a return spring, and an end of the limiting rod away from the clamping plate is fixedly connected to a clamping ring; The stretching mechanism comprises a sliding rod, the end of the sliding rod is fixedly connected to an elastic plate, and the surface of the elastic plate is fixedly connected to an extrusion rod.

[0006] Furthermore, one end of the transmission rod away from the motor is rotatably connected to the inner wall of the wire take-up frame, and two slide grooves are provided, and the two slide grooves are symmetrically arranged with the connecting line as the center.

[0007] Furthermore, the supporting mechanism includes a slide rail, a slide plate is slidably connected to the surface of the slide rail, a connecting rod is fixedly connected to the surface of the slide plate, a bidirectional screw is threadedly connected to the inner wall of the connecting rod, a driven rod is fixedly connected to the top of the connecting rod, a push rod is rotatably connected to the top of the slide plate, a lifting rod is fixedly connected to the end of the push rod away from the slide plate, a limiting spring is fixedly connected to the surface of the lifting rod, and a placement ring is fixedly connected to the end of the lifting rod.

[0008] Furthermore, the bottom of the slide plate contacts the surface of the base, the push rod is away from one end of the slide plate and inclined toward the surface of the lifting rod, and the limit spring is away from one end of the placement ring and contacts the surface of the base.

[0009] The cam is connected to the bottom of the movable plate by the push rod, and the bottom of the movable plate is rotatably connected to the movable plate, and the push rod is fixedly connected to the bottom of the movable plate. The bottom of the movable plate is fixedly connected to the slide plate, the inner wall of the slide plate is slidably connected to the slider, the bottom of the slider is fixedly connected to the passive rod, the end of the passive rod away from the slider is fixedly connected to the sliding plate, the surface of the sliding plate is slidably connected to the clamping plate, the inner wall of the clamping plate is fixedly connected to the limiting rod, the surface of the limiting rod is fixedly connected to the return spring, the end of the limiting rod away from the clamping plate is fixedly connected to the clamping ring, the surface of the clamping plate is rotatably connected to the pulling plate, and the end of the pulling plate away from the clamping plate is rotatably connected to the fixed frame.

[0010] Furthermore, the number of the movable plates is set to two, and the two movable plates are symmetrically arranged on the inner wall of the slide slot rod with the slide slot plate as the center. The lower pressure plate is away from one end of the movable plate and inclined toward the surface of the slider. The number of the clamping rings is set to two, and the two clamping rings are symmetrically arranged at the end of the limit rod with the fixed frame as the center.

[0011] Furthermore, the stretching mechanism includes a forward plate, the surface of the forward plate is fixedly connected to a vertical plate, the surface of the vertical plate is provided with a moving groove, the inner wall of the moving groove is slidably connected to a sliding rod, the end of the sliding rod away from the moving groove is fixedly connected to an elastic plate, the surface of the elastic plate is fixedly connected to an extrusion rod, the surface of the vertical plate is fixedly connected to a support frame, the end of the support frame away from the vertical plate is fixedly connected to a support plate, the surface of the support plate is fixedly connected to a guide rail, the surface of the guide rail is slidably connected to a moving rod, the surface of the moving rod is fixedly connected to a force block, both sides of the moving rod are fixedly connected to fixing rings, and the inner wall of the fixing ring is slidably connected to a contraction sheet.

[0012] Furthermore, the end of the electric push rod is fixedly connected to the surface of the forward plate, the number of the support frames is four, the four support frames are symmetrically arranged with the support disk as the center, and the surface of the extrusion rod is in contact with the surface of the force block.

[0013] The present invention has the following beneficial effects: The present invention sets a supporting mechanism. When the sensor needs to be assembled, first the connecting wire is placed inside the placement ring, and then the motor is started to drive the transmission rod to rotate. When the transmission rod rotates, it drives the bidirectional screw to rotate. When the bidirectional screw rotates, the connecting rod moves in the direction of approaching each other. When the connecting rod moves, it drives the driven rod to move. When the connecting rod drives the driven rod to move, it also drives the slide plate to move in the direction of approaching each other. When the slide plate moves, it pushes the lifting rod and extends the lifting rod upward. When the lifting rod extends, it pushes the placement ring at the end to move upward. When the lifting rod reaches a certain position, it is limited by a limit spring, so that the connecting wire is effectively placed and lifted, thereby solving the impact on the closure of the sensor and improving the work efficiency for the workers.

[0014] When the movable plate is moved, the movable plate is driven by the contraction rod to move, and the movable plate is pushed to move when the movable plate moves. When the lower pressure plate is subjected to the thrust, the sliding block is pushed downward, and the sliding block slides downward on the inner wall of the sliding block. When the sliding block slides, the passive rod is pushed downward, and the passive rod pushes the sliding plate to move downward. When the sliding plate moves downward, the pulling plate is pulled through the fixed frame to move in the direction of approaching each other. When the pulling plate moves, the clamping plate is pulled on the surface of the sliding plate to move in the direction of approaching each other. When the clamping plate moves, the limiting rod is driven to move, and the limiting rod pushes the clamping ring to move in the direction of approaching each other. When the clamping ring contacts the connecting line, it is limited, which effectively limits the connecting lines with different diameters and prevents the connecting line from slipping.

[0015] The present invention provides a stretching mechanism, when the contraction rod moves, it drives the sliding rod to move in the direction of approaching each other on the inner wall of the moving groove, when the sliding rod moves, it squeezes the elastic plate, when the elastic plate is squeezed, the middle part bends, when the elastic plate bends, it drives the squeezing rod to move backward, when the squeezing rod moves, it squeezes the force-bearing block, when the force-bearing block is squeezed, it pushes the moving rod to slide on the surface of the guide rail, when the moving rod moves, it drives the fixing ring to move and shrink the contraction plate, and fixes the connecting line, and when the moving rod moves, the electric push rod is started to push the vertical plate to move, when the vertical plate moves, it drives the forward plate to slide forward on the inner wall of the slide groove, when the fixing ring fixes the connecting line, the electric push rod pulls the vertical plate backward to make the vertical plate slide backward, and pulls the connecting line backward as a whole, effectively straightens the connecting line, prevents the connecting line from bending, thereby affecting the efficiency of the worker's sensor closing operation.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention; Figure 3 It is a schematic diagram of the overall structure of the support mechanism of the present invention; Figure 4 It is a schematic diagram of the overall structure of the limiting mechanism of the present invention; Figure 5 For the present invention Figure 4 A schematic diagram of the enlarged structure of part A; Figure 6 It is a schematic diagram of the overall structure of the stretching mechanism of the present invention; Figure 7 For the present invention Figure 6 Schematic diagram of the enlarged structure of part B in FIG.

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows: In the figure: 1. base; 2. motor; 3. transmission rod; 4. blood oxygen sensor; 5. connecting wire; 6. electric push rod; 7. wire take-up frame; 10. support mechanism; 11. slide rail; 12. slide plate; 13. connecting rod; 14. two-way screw; 15. driven rod; 16. push rod; 17. lifting rod; 18. limit spring; 19. placement ring; 30. limit mechanism; 31. slide rod; 32. moving plate; 33. retracting rod; 34. lower pressure plate; 35. Slide plate; 36, slider; 37, passive rod; 38, sliding plate; 39, clamping plate; 40, limit rod; 41, reset spring; 42, clamping ring; 43, pulling plate; 44, fixed frame; 50, stretching mechanism; 51, forward plate; 52, vertical plate; 53, sliding rod; 54, elastic plate; 55, extrusion rod; 56, support frame; 57, support plate; 58, guide rail; 59, moving rod; 60, force block; 61, fixed ring; 62, contraction plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1 - Figure 7 As shown, the present invention is a lead frame structure of a blood oxygen sensor packaging component, including a base 1, a motor 2 is fixedly connected to the surface of the base 1, a transmission rod 3 is fixedly connected to the output end of the motor 2, and then the motor 2 is started to drive the transmission rod 3 to rotate, a blood oxygen sensor 4 is fixedly connected to the surface of the base 1, a connecting wire 5 is fixedly connected to the surface of the blood oxygen sensor 4, an electric push rod 6 is fixedly connected to the end of the base 1, a slide groove is opened on the surface of the base 1, and a wire receiving frame 7 is fixedly connected to the surface of the base 1, and also includes; The support mechanism 10 includes a push rod 16, the end of which is fixedly connected to a lifting rod 17. The slide plate 12 pushes the lifting rod 17 while moving, and the lifting rod 17 is extended upward. The surface of the lifting rod 17 is fixedly connected to a limit spring 18. When the lifting rod 17 reaches a certain position, it is limited by the limit spring 18. The limiting mechanism 30 includes a clamping plate 39. When the pulling plate 43 moves, the clamping plate 39 is pulled to move toward each other on the surface of the sliding plate 38. The inner wall of the clamping plate 39 is fixedly connected to the limiting rod 40. When the clamping plate 39 moves, the limiting rod 40 is driven to move. A return spring 41 is fixedly connected to the surface of the limiting rod 40. The end of the limiting rod 40 away from the clamping plate 39 is fixedly connected to the clamping ring 42. The stretching mechanism 50 includes a slide bar 53. When the contraction rod 33 moves, the slide bar 53 is driven to move toward each other on the inner wall of the moving groove. The end of the slide bar 53 is fixedly connected to an elastic plate 54. When the slide bar 53 moves, the elastic plate 54 is squeezed. When the elastic plate 54 is squeezed, the middle part bends. The surface of the elastic plate 54 is fixedly connected to an extrusion rod 55. When the elastic plate 54 bends, the extrusion rod 55 is driven to move backward.

[0022] One end of the transmission rod 3 away from the motor 2 is rotatably connected to the inner wall of the wire take-up frame 7 , and there are two slide grooves, which are symmetrically arranged with the connecting line 5 as the center.

[0023] The supporting mechanism 10 includes a slide rail 11, a slide plate 12 is slidably connected to the surface of the slide rail 11, a connecting rod 13 is fixedly connected to the surface of the slide plate 12, and the bidirectional screw 14 rotates to make the connecting rod 13 move in the direction of approaching each other, the inner wall of the connecting rod 13 is threadedly connected with the bidirectional screw 14, and when the transmission rod 3 rotates, the bidirectional screw 14 is driven to rotate, and the top of the connecting rod 13 is fixedly connected to a driven rod 15, and when the connecting rod 13 moves, the driven rod 15 is driven to move, and the top of the slide plate 12 is rotatably connected to a push rod 16, and the end of the push rod 16 away from the slide plate 12 is fixedly connected to a lifting rod 17, and the surface of the lifting rod 17 is fixedly connected to a limiting spring 18, and the end of the lifting rod 17 is fixedly connected to a placement ring 19, and when the lifting rod 17 is extended, the placement ring 19 at the end is pushed to move upward, so as to effectively place and lift the connecting line 5, solve the influence on the sensor closure, and improve the work efficiency for the workers.

[0024] The bottom of the slide plate 12 contacts the surface of the base 1, the connecting rod 13 drives the driven rod 15 to move while driving the slide plate 12 to move towards each other, the push rod 16 is away from one end of the slide plate 12 and tilted toward the surface of the lifting rod 17, and the end of the limit spring 18 away from the placement ring 19 contacts the surface of the base 1. When the sensor needs to be assembled, first place the connecting wire 5 inside the placement ring 19.

[0025] The limiting mechanism 30 includes a slide rod 31, the inner wall of the slide rod 31 is slidably connected to a moving plate 32, the surface of the moving plate 32 is fixedly connected to a retracting rod 33, the moving plate 32 drives the retracting rod 33 to move, the bottom of the moving plate 32 is rotatably connected to a lower pressing plate 34, the bottom of the slide rod 31 is fixedly connected to a slide plate 35, and the slider 36 slides downward on the inner wall of the slide plate 35, the inner wall of the slide plate 35 is slidably connected to a slider 36, when the lower pressing plate 34 is subjected to a thrust, the slider 36 is pushed downward, the bottom of the slider 36 is fixedly connected to a passive rod 37, and when the slider 36 slides, the passive rod 37 is pushed downward to move The passive rod 37 is fixedly connected to a sliding plate 38 at one end away from the slider 36, and the passive rod 37 pushes the sliding plate 38 to move downward. The surface of the sliding plate 38 is slidably connected to a clamping plate 39, and the inner wall of the clamping plate 39 is fixedly connected to a limiting rod 40, and the surface of the limiting rod 40 is fixedly connected to a return spring 41, and the end of the limiting rod 40 away from the clamping plate 39 is fixedly connected to a clamping ring 42, and the surface of the clamping plate 39 is rotatably connected to a pulling plate 43, and the end of the pulling plate 43 away from the clamping plate 39 is rotatably connected to a fixing frame 44, which effectively limits the connecting wires 5 with different diameters and prevents the connecting wires 5 from slipping.

[0026] There are two movable plates 32. When the driven rod 15 moves, it drives the movable plate 32 to slide on the inner wall of the slide groove rod 31 in the direction of approaching each other. The two movable plates 32 are symmetrically arranged on the inner wall of the slide groove rod 31 with the slide groove plate 35 as the center. The lower pressure plate 34 is away from one end of the movable plate 32 and inclined to the surface of the slider 36. When the movable plate 32 moves, it pushes the lower pressure plate 34 to move. There are two clamping rings 42. The two clamping rings 42 are symmetrically arranged at the end of the limit rod 40 with the fixed frame 44 as the center. The limit rod 40 pushes the clamping ring 42 to move in the direction of approaching each other. When the clamping ring 42 contacts the connecting line 5, it is limited. When the sliding plate 38 moves downward, it pulls the pulling plate 43 in the direction of approaching each other through the fixed frame 44.

[0027] The stretching mechanism 50 includes a forward plate 51, a vertical plate 52 is fixedly connected to the surface of the forward plate 51, when the fixing ring 61 fixes the connecting line 5, the electric push rod 6 pulls the vertical plate 52 backward to make the vertical plate 52 slide backward, a moving groove is provided on the surface of the vertical plate 52, a sliding rod 53 is slidably connected to the inner wall of the moving groove, an elastic plate 54 is fixedly connected to the end of the sliding rod 53 away from the moving groove, an extrusion rod 55 is fixedly connected to the surface of the elastic plate 54, a support frame 56 is fixedly connected to the surface of the vertical plate 52, a support plate 57 is fixedly connected to the end of the support frame 56 away from the vertical plate 52, a guide rail 58 is fixedly connected to the surface of the support plate 57, when the force block 60 is squeezed When pressure is applied, the moving rod 59 is pushed to slide on the surface of the guide rail 58. The surface of the guide rail 58 is slidably connected to the moving rod 59. The surface of the moving rod 59 is fixedly connected to a force block 60. Both sides of the moving rod 59 are fixedly connected to fixing rings 61. The inner wall of the fixing ring 61 is slidably connected to a contraction piece 62 to fix the connecting line 5. When the moving rod 59 moves, the electric push rod 6 is started to push the vertical plate 52 to move. When the moving rod 59 moves, it drives the fixing ring 61 to move and contract the contraction piece 62, and pulls the connecting line 5 backward as a whole, so as to effectively straighten the connecting line 5 and prevent the connecting line 5 from bending, thereby affecting the efficiency of the worker's sensor closing operation.

[0028] The end of the electric push rod 6 is fixedly connected to the surface of the forward plate 51. When the vertical plate 52 moves, it drives the forward plate 51 to slide forward on the inner wall of the slide groove. There are four support frames 56, and the four support frames 56 are symmetrically arranged with the support plate 57 as the center. The surface of the extrusion rod 55 contacts the surface of the force block 60, and the extrusion rod 55 squeezes the force block 60 while moving.

[0029] When in use, when the sensor needs to be assembled, first the connecting wire 5 is placed inside the placement ring 19, and then the motor 2 is started to drive the transmission rod 3 to rotate. When the transmission rod 3 rotates, it drives the bidirectional screw 14 to rotate. When the bidirectional screw 14 rotates, the connecting rod 13 moves in a direction close to each other. When the connecting rod 13 moves, it drives the driven rod 15 to move. When the connecting rod 13 drives the driven rod 15 to move, it also drives the slide plate 12 to move in a direction close to each other. When the slide plate 12 moves, it pushes the lifting rod 17 and extends the lifting rod 17 upward. When the lifting rod 17 extends, it pushes the placement ring 1 at the end. 9 moves upward, when the lifting rod 17 reaches a certain position, it is limited by the limit spring 18, when the driven rod 15 moves, it drives the moving plate 32 to slide on the inner wall of the slide slot rod 31 in the direction of approaching each other, the moving plate 32 drives the contraction rod 33 to move, when the moving plate 32 moves, it pushes the lower pressing plate 34 to move, when the lower pressing plate 34 is pushed, it pushes the slider 36 downward and makes the slider 36 slide downward on the inner wall of the slide slot plate 35, when the slider 36 slides, it pushes the passive rod 37 downward to move, the passive rod 37 pushes the sliding plate 38 to move downward, when the sliding plate 38 moves downward, it is pulled by the fixing frame 44 The pulling plate 43 is moved in a direction approaching each other. When the pulling plate 43 moves, the clamping plate 39 is pulled to move on the surface of the sliding plate 38 in a direction approaching each other. When the clamping plate 39 moves, the limiting rod 40 is driven to move. The limiting rod 40 pushes the clamping ring 42 to move in a direction approaching each other. When the clamping ring 42 contacts the connecting line 5, it is limited. When the contraction rod 33 moves, the sliding rod 53 is driven to move on the inner wall of the moving groove in a direction approaching each other. When the sliding rod 53 moves, the elastic plate 54 is squeezed. When the elastic plate 54 is squeezed, the middle part bends. When the elastic plate 54 bends, it drives the squeezing The rod 55 moves backward, and when the extrusion rod 55 moves, it also squeezes the force-bearing block 60. When the force-bearing block 60 is subjected to the extrusion force, it pushes the moving rod 59 to slide on the surface of the guide rail 58. When the moving rod 59 moves, it drives the fixing ring 61 to move and shrink the shrinking plate 62 to fix the connecting line 5. When the moving rod 59 moves, the electric push rod 6 is started to push the vertical plate 52 to move. When the vertical plate 52 moves, it drives the forward plate 51 to slide forward on the inner wall of the slide groove. When the fixing ring 61 fixes the connecting line 5, the electric push rod 6 pulls the vertical plate 52 backward to make the vertical plate 52 slide backward, and pulls the connecting line 5 backward as a whole.

[0030] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A lead frame structure of a blood oxygen sensor package assembly, comprising a base (1), a motor (2) fixedly connected to the surface of the base (1), a transmission rod (3) fixedly connected to the output end of the motor (2), a blood oxygen sensor (4) fixedly connected to the surface of the base (1), a connecting wire (5) fixedly connected to the surface of the blood oxygen sensor (4), an electric push rod (6) fixedly connected to the end of the base (1), a sliding groove formed on the surface of the base (1), and a wire take-up frame (7) fixedly connected to the surface of the base (1), characterized in that: Also includes; A support mechanism (10), the support mechanism (10) comprising a push rod (16), the end of the push rod (16) being fixedly connected to a lifting rod (17), and the surface of the lifting rod (17) being fixedly connected to a limit spring (18); A limiting mechanism (30), the limiting mechanism (30) comprising a clamping plate (39), an inner wall of the clamping plate (39) being fixedly connected to a limiting rod (40), a surface of the limiting rod (40) being fixedly connected to a return spring (41), and an end of the limiting rod (40) away from the clamping plate (39) being fixedly connected to a clamping ring (42); A stretching mechanism (50), the stretching mechanism (50) comprising a sliding rod (53), the end of the sliding rod (53) being fixedly connected to an elastic plate (54), and the surface of the elastic plate (54) being fixedly connected to an extrusion rod (55).

2. The lead frame structure of a blood oxygen sensor package assembly according to claim 1, characterized in that: One end of the transmission rod (3) away from the motor (2) is rotatably connected to the inner wall of the wire take-up frame (7), and two slide grooves are provided, and the two slide grooves are symmetrically arranged with the connecting line (5) as the center.

3. The lead frame structure of a blood oxygen sensor package assembly according to claim 2, characterized in that: The support mechanism (10) comprises a slide rail (11), the surface of the slide rail (11) is slidably connected to a slide plate (12), the surface of the slide plate (12) is fixedly connected to a connecting rod (13), the inner wall of the connecting rod (13) is threadedly connected to a bidirectional screw rod (14), the top of the connecting rod (13) is fixedly connected to a driven rod (15), the top of the slide plate (12) is rotatably connected to a push rod (16), one end of the push rod (16) away from the slide plate (12) is fixedly connected to a lifting rod (17), the surface of the lifting rod (17) is fixedly connected to a limit spring (18), and the end of the lifting rod (17) is fixedly connected to a placement ring (19).

4. The lead frame structure of a blood oxygen sensor package assembly according to claim 3, characterized in that: The bottom of the slide plate (12) contacts the surface of the base (1), the push rod (16) is away from one end of the slide plate (12) and is inclined toward the surface of the lifting rod (17), and the limit spring (18) is away from one end of the placement ring (19) and contacts the surface of the base (1).

5. The lead frame structure of a blood oxygen sensor package assembly according to claim 4, characterized in that: The limiting mechanism (30) comprises a slide rod (31), the inner wall of the slide rod (31) is slidably connected to a movable plate (32), the surface of the movable plate (32) is fixedly connected to a retracting rod (33), the bottom of the movable plate (32) is rotatably connected to a lower pressing plate (34), the bottom of the slide rod (31) is fixedly connected to a slide plate (35), the inner wall of the slide plate (35) is slidably connected to a slider (36), the bottom of the slider (36) is fixedly connected to a passive rod (37), and the passive rod (37) is away from the slider (36). One end of the sliding plate (38) is fixedly connected to the sliding plate (38), the surface of the sliding plate (38) is slidably connected to the clamping plate (39), the inner wall of the clamping plate (39) is fixedly connected to a limiting rod (40), the surface of the limiting rod (40) is fixedly connected to a return spring (41), the end of the limiting rod (40) away from the clamping plate (39) is fixedly connected to a clamping ring (42), the surface of the clamping plate (39) is rotatably connected to a pulling plate (43), and the end of the pulling plate (43) away from the clamping plate (39) is rotatably connected to a fixing frame (44).

6. The lead frame structure of a blood oxygen sensor package assembly according to claim 5, characterized in that: The number of the movable plates (32) is two, and the two movable plates (32) are symmetrically arranged on the inner wall of the slide slot rod (31) with the slide slot plate (35) as the center. The lower pressing plate (34) is away from one end of the movable plate (32) and inclined toward the surface of the slider (36). The number of the clamping rings (42) is two, and the two clamping rings (42) are symmetrically arranged on the end of the limit rod (40) with the fixing frame (44) as the center.

7. The lead frame structure of a blood oxygen sensor package assembly according to claim 6, characterized in that: The stretching mechanism (50) comprises a forward plate (51), the surface of the forward plate (51) is fixedly connected to a vertical plate (52), the surface of the vertical plate (52) is provided with a moving groove, the inner wall of the moving groove is slidably connected to a sliding rod (53), the end of the sliding rod (53) away from the moving groove is fixedly connected to an elastic plate (54), the surface of the elastic plate (54) is fixedly connected to an extrusion rod (55), the surface of the vertical plate (52) is fixedly connected to a support frame (56), the end of the support frame (56) away from the vertical plate (52) is fixedly connected to a support plate (57), the surface of the support plate (57) is fixedly connected to a guide rail (58), the surface of the guide rail (58) is slidably connected to a moving rod (59), the surface of the moving rod (59) is fixedly connected to a force block (60), both sides of the moving rod (59) are fixedly connected to fixing rings (61), and the inner wall of the fixing ring (61) is slidably connected to a contraction plate (62).

8. The lead frame structure of a blood oxygen sensor package assembly according to claim 7, characterized in that: The end of the electric push rod (6) is fixedly connected to the surface of the forward plate (51), the number of the support frames (56) is four, the four support frames (56) are symmetrically arranged with the support plate (57) as the center, and the surface of the extrusion rod (55) is in contact with the surface of the force block (60).

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