Blood collection pushing power mechanism and blood collector using the same

Abstract

The present invention discloses a blood collection pushing and releasing power mechanism and a blood collection device using the same. The blood collection pushing and releasing power mechanism includes a pushing and releasing integrated mechanism member, and a pushing and releasing channel, a potential storage channel, and a launching channel provided on a housing for the assembly and movement of the pushing and releasing integrated mechanism member. The pushing and releasing integrated mechanism member includes a pushing and releasing button, a traction elastic arm, a spring piece, and a seat body that are integrally and sequentially arranged continuously. A first motion control part is arranged between the traction elastic arm and the spring piece; a second motion control part and a third motion control part are arranged on the seat body. In the present invention, the component for providing the pushing and releasing power for the launching and cutting of the cutting part of the blood collection device is designed as an integrated pushing and releasing integrated mechanism member, and correspondingly, a pushing and releasing channel, a potential storage channel, and a launching channel are arranged on the housing, which can be assembled and perform corresponding motion linkage, so as to complete the launching and cutting of the cutting part of the blood collection device with only one pushing and releasing integrated mechanism member.

Description

Technical Field

[0001] The present invention relates to the technical field of blood collection instruments, and particularly to a blood collection pushing and driving power mechanism and a blood collector using the same. This blood collector adopts a cut-type (cutting-type) blood collection method, which is mainly applied to blood collection from the heels of infants and young children, and can also be applied to blood collection from other parts of the human body. Background Art

[0002] Blood collectors, as medical human blood collection devices, are widely used in various medical units. Blood collectors are divided into two types from the blood collection method: puncture type and cut type (cutting type). The puncture type acts on the blood collection site in a needle puncture manner and is mainly applied to blood collection from the fingers of adults. The cut type acts on the blood collection site in a knife cutting manner. Since the cut causes less pain than a needle prick and can obtain sufficient blood collection volume, it is particularly suitable for blood collection from the heels of infants and young children, especially newborns.

[0003] Chinese Patent CN111449660B discloses an invention patent named "Blood Collector". This invention patent provides a blood collector solution. Although this design has fewer parts compared to existing heel blood collectors, the applicant found that its pushing and driving power system is composed of three components: a trigger part main body 14 + a knife seat 30 + an elastic part 40. This design of the pushing and driving power system not only has many components and is difficult to assemble, but also in the initial state, the elastic part 40 is always under stress and is very likely to fail before use, thereby causing the product to fail.

[0004] In view of this, how to solve the problems of existing blood collectors, such as having many components, being difficult to assemble, and the elastic part being under stress in the initial state and being very likely to fail before use, has become the subject to be studied and solved in the present invention. Summary of the Invention

[0005] The purpose of the present invention is to provide a blood collection pushing and driving power mechanism and a blood collector using the same.

[0006] To achieve the above purpose, the technical solution adopted by the present invention is: The present invention provides a blood collection pushing and driving power mechanism for providing pushing and driving power for the emission and cutting of the cutting part of a blood collector. The blood collector includes a housing, and the housing has a cut for the cutting part to extend out. The innovation lies in:

[0007] The blood collection pushing and driving power mechanism includes a pushing and driving integrated mechanism member, and a pushing channel, a potential storage channel, and an emission channel provided on the housing for the assembly and movement of the pushing and driving integrated mechanism member;

[0008] The pushing and driving integrated mechanism member includes a pushing button, a traction elastic arm, a spring piece, and a seat body that are integrally and continuously arranged in sequence; a first motion control part is arranged between the traction elastic arm and the spring piece; a second motion control part and a third motion control part are arranged on the seat body;

[0009] The hair-pushing button has a guiding portion, and the guiding portion is assembled on the hair-pushing channel. The hair-pushing button is a component that moves along the hair-pushing channel and pushes the first motion control portion to move after bearing an external pressing force and / or pulling force; an active surface is provided on the hair-pushing button.

[0010] The first motion control portion is assembled on the energy-storing channel. A passive portion is provided on the first motion control portion or at a position between the traction elastic arm and the elastic sheet corresponding to the active surface. The first motion control portion is a component that moves along the energy-storing channel after bearing the acting force of the hair-pushing button and drives the traction elastic arm and the elastic sheet to store energy. When the first motion control portion crosses and disengages from the energy-storing channel, the first motion control portion drives the seat body to move under the traction force of the traction elastic arm and the reaction force of the energy-storing channel.

[0011] The second motion control portion and the third motion control portion are assembled on the launching channel. The seat body is a component for connecting the cutting portion; when the hair-pushing button does not bear an external acting force, the second motion control portion and the third motion control portion are located in the launching channel. When the first motion control portion moves along the energy-storing channel, the tendency of the seat body to move and rotate under the elastic action of the elastic sheet is blocked by the second motion control portion and the third motion control portion against the launching channel. When the first motion control portion crosses and disengages from the energy-storing channel, the second motion control portion and the third motion control portion move along the launching channel towards the scoring direction under the drive of the seat body. After the second motion control portion crosses and disengages from the launching channel, the seat body moves downward to one side relative to the scoring position under the torsion force of the elastic sheet and the inertial acting force in the previous launching channel direction. Correspondingly, the seat body drives the cutting portion to perform a cutting in the downward direction to the other side.

[0012] The relevant content of the present invention is explained as follows:

[0013] 1. In the above technical scheme of the present invention, in-depth research and design are carried out to solve the problems that the existing blood collector has many parts, is difficult to assemble, and the elastic parts are always under stress in the initial state and are easy to fail before use. The main purpose is to design the parts used to provide pushing power for the cutting part of the blood collector to launch and cut as an integrated pushing and launching mechanism, and correspondingly set a pushing and launching channel, a potential accumulation channel, and a launching channel on the shell, so that the pushing and launching mechanism can be assembled and the corresponding movement linkage, and the entire blood collection pushing and launching power mechanism can be sequentially converted in the pre-launch state, the initial launch state, the end of the launch state and the final launch state, so that the cutting part of the blood collector can be launched and cut with only one pushing and launching mechanism. This cutting has exactly the same function as the cutting of the original blood collector composed of multiple parts, and the pushing and launching button is smooth and will not get stuck; in the pre-launch state, the pushing and launching mechanism is placed in the shell in a naturally unstressed state, and the spring in the pushing and launching mechanism that provides elastic force for the rotation of the seat body is not stressed, which can well avoid the possibility of product failure before use and ensure In the final state of firing, it can provide a sufficiently large and fast cutting force for the cutting of the cutting part, ensure the amount of bleeding and reduce pain; when the first motion control part moves along the potential accumulation channel after receiving the force of the push button and drives the traction elastic arm and the spring to accumulate, the movement and rotation tendency of the seat body under the elastic action of the spring is first blocked, so that the deformation of the traction elastic arm and the spring can be large enough, so as to store a sufficiently large elastic force, and when the first motion control part passes over and leaves the potential accumulation channel, the first motion control part is in the traction force of the traction elastic arm and the potential accumulation channel. The seat body is driven to move under the reaction force of the channel. At this time, the traction elastic arm can provide a sufficiently large elastic force for the movement of the seat body, so that the seat body can quickly move along the firing channel to the cut, the firing power is sufficient, and the firing speed is fast; after the second control part on the seat body passes over and leaves the firing channel under the rapid drive of the traction elastic arm, the seat body will immediately rotate under the action of the shrapnel after the rotation restriction is released. The shrapnel that has stored enough elastic force before can drive the cutting part on the seat body to perform rapid rotation cutting, and the cutting force is large and fast, thereby ensuring the amount of bleeding and reducing pain.

[0014] 2. In the above technical solution, the blood sampling and pushing power mechanism is configured to sequentially switch between the pre-launch state, the initial launch state, the final launch state and the final launch state;

[0015] In the pre-launch state, the push-and-fire integrated mechanism is placed in the housing in a naturally stress-free state, the push-and-fire button is installed in the push-and-fire channel, the first motion control part is located at the placement end of the potential accumulation channel, and the second motion control part and the third motion control part are located in the launch channel and close to the two sides of the inner wall of the launch channel respectively;

[0016] When transitioning from the pre-launch state to the initial launch state, the push-button drives the first motion control part to move along the energy storage channel under the action of an external force. The traction elastic arm and the shrapnel move synchronously and store energy. The tendency of the seat body to move and rotate under the elastic action of the shrapnel is blocked by both sides of the inner wall of the launch channel.

[0017] When transitioning from the initial launch state to the end-of-launch state, the push-button continues to drive the first motion control part to move along the energy storage channel under the action of an external force. The traction elastic arm and the shrapnel continue to move synchronously and store energy. The first motion control part moves to the critical end of the energy storage channel and is in a critical state of pending separation.

[0018] When transitioning from the end-of-launch state to the final launch state, the push-button continues to drive the first motion control part under the action of an external force and causes the first motion control part to cross the critical end of the energy storage channel. The first motion control part drives the seat body to move along the launch channel towards the cut opening direction under the traction force of the traction elastic arm and the reaction force of the energy storage channel. The second motion control part on the seat body releases the restriction on the rotation tendency of the seat body after leaving the launch channel. Under the torsional force of the shrapnel, the seat body and the cutting part on the seat body rotate and cut at the cut opening.

[0019] Due to the orderly conversion of various states, the blood collector can be easily, smoothly and effectively used for incision and blood collection, ensuring that the shrapnel in the push-launch integrated mechanism does not fail and can provide sufficient elastic force to ensure the normal progress of the blood collection operation.

[0020] 3. In the above technical solution, the first motion control part, the second motion control part and the third motion control part are all convex columnar bodies. The push channel, the energy storage channel and the launch channel are all grooves or spaces provided on the housing. This design can make the structural design of the push-launch integrated mechanism, the movement of each component, and the realization of the elastic structures of the traction elastic arm and the shrapnel more scientific and reasonable, making the entire pushing and launching process of the blood collector smoother without jamming.

[0021] 4. In the above technical solution, the housing is provided with a first retaining wall and a second retaining wall. The space between the first retaining wall and the second retaining wall forms the launch channel. The first retaining wall is provided with a separation end near the cut opening, and the second retaining wall is provided with a abutment end near the cut opening;

[0022] In the pre-launch state, the second motion control part is located in the launch channel and close to the first retaining wall, and the third motion control part is located in the launch channel and close to the second retaining wall;

[0023] When converting from the pre-launch state to the initial launch state, the tendency of the seat body to move and rotate under the elastic action of the shrapnel is blocked by the first retaining wall and the second retaining wall;

[0024] When converting from the late launch state to the final launch state, the second motion control part on the seat body moves away from the first retaining wall and releases the restriction on the rotation tendency of the seat body. The third motion control part moves to the abutting end and is rotationally connected with the abutting end in cooperation.

[0025] 5. In the above technical solution, taking the end face where the notch on the housing is located as the horizontal reference plane, between the second motion control part and the third motion control part, the horizontal height of one of them is higher than that of the other, so that there is a drop between the second motion control part and the third motion control part. When converting from the pre-launch state to the initial launch state, this drop can make the two better blocked by the launch channel (the first retaining wall and the second retaining wall) and will not disengage in advance; and when converting from the late launch state to the final launch state, when one of them breaks away from the restriction of the launch channel, it can rotate around the other better under the action of the shrapnel, with a sufficiently good cutting angle and speed.

[0026] 6. In the above technical solution, a driving surface is provided on the push button. Corresponding to the driving surface, a driven part is provided on the first motion control part or at the part between the traction elastic arm and the shrapnel. When the push button bears an external force, the driving surface contacts and acts on the driven part, so that the push button drives the first motion control part to move.

[0027] 7. In the above technical solution, the driving surface is arranged to be a bevel at least at the part in contact with the driven part, and the driven part is arranged to be a curved surface at least at the part in contact with the driving surface, so that the contact part of the driving surface and the driven part in their cross-section is point contact. When pushing the push button and acting on the first motion control part, especially when the energy storage channel is not a straight channel, when the driven part rotates, the driving surface and the driven part can always maintain point contact, thereby reducing the friction force. While making the pushing process smoother, it also reduces the applied force for pushing the push button and avoids jamming.

[0028] 8. In the above technical solution, the traction elastic arm is bent, and a bent transition portion is provided at the connection of the traction elastic arm with the first motion control portion. The bending directions of the traction elastic arm and the transition portion are different. Specifically, the main body of the traction elastic arm and the transition portion are reverse arcs. Therefore, when the hair-pushing button is pushed, the traction elastic arm is pushed by the first motion control portion, and the elastic piece stores energy. After the traction elastic arm is compressed, the force of resistance will diverge and will not concentrate on a certain point. When the first motion control portion disengages from the energy storage channel and the traction elastic arm provides a traction force for the movement of the seat body towards the cut opening, the tension of the traction elastic arm stretches more evenly, neither too large nor too small, and the hand feeling is better.

[0029] 9. In the above technical solution, the emission channel is obliquely arranged towards the cut opening, specifically inclined in the general direction towards the cut opening, so that the seat body can move obliquely downward better under the traction of the traction elastic arm, and the process of the second motion control portion disengaging and the third control portion abutting against the abutting end can be made smoother.

[0030] 10. In the above technical solution:

[0031] The hair-pushing button has a hair-pushing portion for bearing an external pressing force and / or pulling force;

[0032] A hair-pushing opening is provided on the housing at a position corresponding to the hair-pushing portion;

[0033] When the hair-pushing portion is located at the head of the hair-pushing button, the hair-pushing opening is provided on the circumferential side of the housing;

[0034] When the hair-pushing portion is located on both sides of the hair-pushing button, the hair-pushing opening is provided on both sides of the housing;

[0035] When the hair-pushing portion is located at the head and both sides of the hair-pushing button at the same time, the hair-pushing opening is provided on the circumferential side and both sides of the housing at the same time.

[0036] 11. In the above technical solution, the energy storage channel is bent, and the bending direction of the energy storage channel is set towards the cut opening, so that the middle position of the energy storage channel is higher than both ends. The first motion control portion will first be pushed obliquely upward from the installation end of the energy storage channel to the middle, and then be pushed obliquely downward from the middle to the critical end, making the energy storage and release processes of the traction elastic arm and the elastic piece more reasonable and the operation hand feeling better.

[0037] 12. In the above technical solution, the housing includes an upper housing and a lower housing, and the hair-pushing channel, the energy storage channel, and the emission channel are provided on either one or both of the upper housing and the lower housing.

[0038] 13. In the present invention, the opening direction of the cut opening is the direction in which the cutting portion extends.

[0039] 14. Additionally, the meaning of the term "and / or" in this application is that it includes three parallel scenarios. Taking "A and / or B" as an example, it includes Scenario A, or Scenario B, or the scenario where both A and B are satisfied simultaneously.

[0040] Due to the application of the above solutions, the present invention has the following advantages and effects compared with the prior art:

[0041] 1. In the solution of the present invention, in the pre-launch state, the push-launch integrated mechanism is placed in the housing in a natural unloaded state. The elastic piece that provides elastic force for the rotation of the seat body in the push-launch integrated mechanism is not stressed, which can well avoid the possibility of product failure before use and ensure that a large enough and fast enough cutting force can be provided for the cutting of the cutting part at the final launch state, ensuring the amount of bleeding and reducing pain.

[0042] 2. In the solution of the present invention, when the first motion control part moves along the energy storage channel under the action of the push button force and drives the traction elastic arm and the elastic piece to store energy, the tendency of the seat body to move and rotate under the elastic action of the elastic piece is first blocked, so that the deformation amount of the traction elastic arm and the elastic piece can be large enough, thereby storing a large enough elastic force. When the first motion control part crosses and disengages from the energy storage channel, the first motion control part drives the seat body to move under the traction force of the traction elastic arm and the reaction force of the energy storage channel. At this time, the traction elastic arm can provide a large enough elastic force for the movement of the seat body, enabling the seat body to quickly move along the launch channel towards the incision, with sufficient launch power and fast launch speed.

[0043] 3. In the solution of the present invention, after the second control part on the seat body crosses and disengages from the launch channel under the rapid drive of the traction elastic arm, the seat body will immediately rotate under the action of the elastic piece after the rotation restriction is released. The elastic piece that has stored enough elastic force before can drive the cutting part on the seat body to perform rapid rotary cutting, with a large cutting force and high speed, thereby ensuring a large amount of bleeding and reducing pain.

[0044] 4. The solution of the present invention deeply studies and designs in view of the problems existing in the existing blood collection device, such as having many components, being difficult to assemble, and the elastic component being constantly stressed in the initial state and being prone to failure before use. Specifically, the component for providing the pushing and launching power for the cutting part of the blood collection device is designed as an integrated pushing and launching mechanism component, and correspondingly, a pushing and launching channel, a potential storage channel, and a launching channel are provided on the housing, so that the integrated pushing and launching mechanism component can be assembled and perform corresponding movement linkages, and the entire blood collection pushing and launching power mechanism can sequentially switch among the pre-launch state, the initial launch state, the end launch state, and the final launch state, so as to complete the launching and cutting of the cutting part of the blood collection device by using only one integrated pushing and launching mechanism component. Moreover, this cutting has exactly the same function as that of the blood collection device composed of multiple original parts. The pushing and exerting force of the pushing button are smooth without jamming, and the elastic piece will not fail. Therefore, a novel and reasonable structural design is provided, with unique and ingenious technical concepts, having prominent substantive features and remarkable progress. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 is a three-dimensional view of the overall mechanism of an embodiment of the present invention;

[0046] Figure 2 is an exploded view of an embodiment of the present invention;

[0047] Figure 3 is a three-dimensional view of the integrated pushing and launching mechanism component in an embodiment of the present invention;

[0048] Figure 4 is a front view of the integrated pushing and launching mechanism component in an embodiment of the present invention;

[0049] Figure 5 is a schematic diagram of an embodiment of the present invention in the pre-launch state;

[0050] Figure 6 is a schematic diagram of an embodiment of the present invention in the initial launch state;

[0051] Figure 7 is a schematic diagram of an embodiment of the present invention in the end launch state;

[0052] Figure 8 is a schematic diagram of an embodiment of the present invention in the final launch state;

[0053] Figure 9 is a schematic diagram of an embodiment of the present invention in the final launch state driving the cutting part to rotate and cut;

[0054] Figure 10 is a schematic diagram of the assembly of the pushing elastic piece needle seat and the cutting part in an embodiment of the present invention;

[0055] Figure 11Schematic diagram of the housing in the embodiments of the present invention.

[0056] The parts of the above drawings are shown as follows:

[0057] 1. Housing; 101. Scoring opening; 102. Hair-pushing opening;

[0058] 11. Hair-pushing channel;

[0059] 12. Energy-accumulating channel; 121. Placing end; 122. Critical end;

[0060] 13. Launching channel; 131. First retaining wall; 1311. Detaching end; 132. Second retaining wall; 1321. Abutting end;

[0061] 2. Hair-pushing integrated mechanism component;

[0062] 21. Hair-pushing button; 210. Active surface; 2101. Inclined surface; 211. Guiding part; 212. Hair-pushing part;

[0063] 22. Traction elastic arm; 221. Transition part;

[0064] 23. Elastic sheet;

[0065] 24. Base body; 241. Second motion control part; 242. Third motion control part;

[0066] 25. First motion control part; 251. Passive part; 2511. Curved surface;

[0067] 9. Cutting part. Detailed implementation manners

[0068] The present invention will be further described below in conjunction with the drawings and embodiments:

[0069] Embodiment: The present case will be clearly described below with diagrams and detailed descriptions. After any person skilled in the art understands the embodiments of the present case, the techniques taught by the present case can be changed and modified without departing from the spirit and scope of the present case.

[0070] The terms used herein are only for describing specific embodiments and are not intended to limit the present case. Singular forms such as "a", "this", "this", "the present", and "the" also include plural forms as used herein.

[0071] Regarding the "first", "second", etc. used herein, they do not particularly refer to the meaning of order or sequence, nor are they used to limit the present case. They are only used to distinguish components or operations described with the same technical terms.

[0072] As used herein, "connection" or "positioning" may refer to two or more components or devices making direct physical contact with each other, or making indirect physical contact with each other, and may also refer to two or more components or devices operating or acting on each other.

[0073] As used herein, "comprising", "including", "having", etc. are all open-ended terms, meaning including but not limited to.

[0074] As for the terms used herein, unless otherwise specified, they generally have their ordinary meanings in this field, in the context of this case, and in the context of specific content. Certain terms used to describe this case will be discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art regarding the description of this case.

[0075] As used herein, "front", "rear", "upper", "lower", etc. are all directional terms. In this case, they are only used to illustrate the positional relationship between various structures, and are not used to limit the specific direction of the protection scheme and actual implementation of this case.

[0076] In view of the problems existing in the existing blood collection devices, such as having many components, being difficult to assemble, and the elastic components being constantly stressed in the initial state and easily failing before use, the present invention is specifically and ingeniously improved. Specifically, the component for providing the pushing and firing power for the cutting part 9 of the blood collection device is designed as an integrated pushing and firing mechanism member 2, and correspondingly, a pushing channel 11, a potential storage channel 12, and a firing channel 13 are provided on the housing 1, so that the integrated pushing and firing mechanism member 2 can be assembled and have corresponding motion linkages, and the entire blood collection pushing and firing power mechanism can sequentially switch among the pre-firing state, the initial firing state, the end-of-firing state, and the final firing state. This design can also place the integrated pushing and firing mechanism member 2 in the housing 1 in a state of natural non-force, thereby avoiding the deformation and failure of the elastic piece.

[0077] Example 1, see attached Figure 1 to attached Figure 4 As shown, Example 1 of the present invention proposes a blood collection pushing and firing power mechanism for providing the pushing and firing power for the emission and cutting of the cutting part 9 of the blood collection device. The blood collection device includes a housing 1, and the housing 1 has a cut 101 for the cutting part 9 to protrude.

[0078] In Example 1 of the present invention, the blood collection pushing and firing power mechanism includes an integrated pushing and firing mechanism member 2, and a pushing channel 11, a potential storage channel 12, and a firing channel 13 provided on the housing 1 for the assembly and movement of the integrated pushing and firing mechanism member 2;

[0079] The hair-pushing and integrating mechanism member 2 includes a hair-pushing button 21, a traction elastic arm 22, a shrapnel 3, and a seat body 24 that are integrally and continuously arranged in sequence; a first motion control part 25 is arranged between the traction elastic arm 22 and the shrapnel 3; a second motion control part 241 and a third motion control part 242 are arranged on the seat body 24;

[0080] The hair-pushing button 21 has a guiding part 211, and the guiding part 211 is assembled on the hair-pushing channel 11. The hair-pushing button 21 is a component that moves along the hair-pushing channel 11 and pushes the first motion control part 25 to move after bearing an external pressing force and / or pulling force; a driving surface 210 is arranged on the hair-pushing button 21;

[0081] The first motion control part 25 is assembled on the energy storage channel 12. A passive part 251 is arranged on the first motion control part 25 or at the part between the traction elastic arm 22 and the shrapnel 3 corresponding to the driving surface 210. The first motion control part 25 is a component that moves along the energy storage channel 12 under the action of the force of the hair-pushing button 21 and drives the traction elastic arm 22 and the shrapnel 3 to store energy. When the first motion control part 25 crosses and disengages from the energy storage channel 12, the first motion control part 25 drives the seat body 24 to move under the traction force of the traction elastic arm 22 and the reaction force of the energy storage channel 12;

[0082] The second motion control part 241 and the third motion control part 242 are assembled on the launching channel 13. The seat body 24 is a component for connecting the cutting part 9; when the hair-pushing button 21 does not bear an external force, the second motion control part 241 and the third motion control part 242 are located in the launching channel 13. When the first motion control part 25 moves along the energy storage channel 12, the tendency of the seat body 24 to move and rotate under the elastic action of the shrapnel 3 is blocked by the second motion control part 241 and the third motion control part 242 against the launching channel 13. When the first motion control part 25 crosses and disengages from the energy storage channel 12, the second motion control part 241 and the third motion control part 242 drive the seat body 24 to move along the launching channel 13 towards the direction of the scoring opening 101 under the drive of the seat body 24. After the second motion control part 241 crosses and disengages from the launching channel 13, the seat body 24 moves downward to one side relative to the scoring opening 101 under the torsion force of the shrapnel 23 and the inertial force in the direction of the launching channel 13 before. Correspondingly, the seat body 24 drives the cutting part 9 to perform cutting in the downward direction to the other side.

[0083] Through the application of the first embodiment of the present invention above, the pushing and launching integrated mechanism member 2 has a pre-launch state, an initial launch state, an end launch state, and a final launch state, and will sequentially convert in these four states in order. The conversion of these four states will be described in detail below.

[0084] In the pre-launch state, the pushing and launching integrated mechanism member 2 is placed in the housing 1 in a natural unforced state. The pushing button 21 is installed in the pushing channel 11. The first motion control part 25 is located at the placing end 121 of the energy storage channel 12. The second motion control part 241 and the third motion control part 242 are located in the launch channel 13 and are respectively close to both sides of the inner wall of the launch channel 13.

[0085] When converting from the pre-launch state to the initial launch state, the pushing button 21 pushes the first motion control part 25 to move along the energy storage channel 12 under the action of an external force. The traction elastic arm 22 and the elastic sheet 3 move synchronously and store energy. The tendency of the seat body 24 to move and rotate under the elastic action of the elastic sheet 3 is blocked by both sides of the inner wall of the launch channel 13.

[0086] When converting from the initial launch state to the end launch state, the pushing button 21 continues to push the first motion control part 25 to move along the energy storage channel 12 under the action of an external force. The traction elastic arm 22 and the elastic sheet 3 continue to move synchronously and store energy. Among them, the first motion control part 25 moves to the critical end 122 of the energy storage channel 12 and is in a critical state of waiting to be separated.

[0087] When converting from the end launch state to the final launch state, the pushing button 21 continues to push the first motion control part 25 under the action of an external force and causes the first motion control part 25 to cross the critical end 122 of the energy storage channel 12. The first motion control part 25 drives the seat body 24 to move along the launch channel 13 towards the scoring opening 101 under the traction force of the traction elastic arm 22 and the reaction force of the energy storage channel 12. The second motion control part 241 on the seat body 24 disengages from the launch channel 13 and releases the restriction on the rotation tendency of the seat body 24. Under the torsion force of the elastic sheet 3, the seat body 24 and the cutting part 9 on the seat body 24 rotate and cut at the scoring opening 101.

[0088] Through the implementation of the above embodiments of the present invention, in the pre-launch state, the pushing and launching integrated mechanism member 2 is placed in the housing 1 in a natural unforced state. The elastic sheet 3 that provides elastic force for the rotation of the seat body 24 in the pushing and launching integrated mechanism member 2 is not stressed, which can well avoid the possibility of product failure before use and ensure that sufficient and fast cutting force can be provided for the cutting of the cutting part 9 in the final launch state, ensuring the amount of bleeding and reducing pain;

[0089] Through the implementation of the above embodiments of the present invention, after the first motion control part 25 bears the acting force of the hair-pushing button 21 and moves along the energy storage channel 12 to drive the traction elastic arm 22 and the elastic piece 3 to store energy, the tendency of the seat body 24 to move and rotate under the elastic action of the elastic piece 3 is blocked first, so that the deformation amounts of the traction elastic arm 22 and the elastic piece 3 can be large enough, so as to store a large enough elastic acting force. And when the first motion control part 25 crosses and disengages from the energy storage channel 12, the first motion control part 25 drives the seat body 24 to move under the traction force of the traction elastic arm 22 and the reaction force of the energy storage channel 12. At this time, the traction elastic arm 22 can provide a large enough elastic acting force for the movement of the seat body 24, so that the seat body 24 can quickly move along the launch channel 13 towards the cut 101, the launch power is sufficient and the launch speed is fast.

[0090] Through the implementation of the above embodiments of the present invention, after the second control part on the seat body 24 is crossed and disengaged from the launch channel 13 by the rapid drive of the traction elastic arm 22, after the rotation restriction of the seat body 24 is released, the seat body 24 will immediately rotate under the action of the elastic piece 3. The elastic piece 3 that has stored enough elastic acting force before can drive the cutting part 9 on the seat body 24 to perform rapid rotary cutting, with large cutting force and high speed, so as to ensure the amount of bleeding and reduce pain.

[0091] In another embodiment of the present invention, the first motion control part 25, the second motion control part 241, and the third motion control part 242 are all convex columnar bodies, and the hair-pushing channel 11, the energy storage channel 12, and the launch channel 13 are all grooves or spaces provided on the housing 1. Such a design can make the structural design of the hair-pushing integrated mechanism member 2, the movement of each component, and the realization of the elastic structures of the traction elastic arm 22 and the elastic piece 3 more scientific and reasonable, making the entire pushing and launching process of the blood collection device smoother without jamming.

[0092] In yet another embodiment, a first retaining wall 131 and a second retaining wall 132 are provided on the housing 1, and the space between the first retaining wall 131 and the second retaining wall 132 forms the launch channel 13. A disengaging end 1311 is provided on the first retaining wall 131 near the cut 101, and a abutting end 1321 is provided on the second retaining wall 132 near the cut 101;

[0093] In the pre-launch state, the second motion control part is located in the launch channel 13 and close to the first retaining wall 131, and the third motion control part is located in the launch channel 13 and close to the second retaining wall 132;

[0094] When converting from the pre-launch state to the initial launch state, the tendency of the seat body 24 to move and rotate under the elastic action of the shrapnel 3 is blocked by the first retaining wall 131 and the second retaining wall 132;

[0095] When converting from the end-of-launch state to the final launch state, the second motion control part 241 on the seat body 24 moves away from the first retaining wall 131 and releases the restriction on the rotation tendency of the seat body 24, and the third motion control part 242 moves to the abutting end 1321 and is rotationally connected to the abutting end 1321 in cooperation.

[0096] In another embodiment, taking the end face where the notch 101 is located on the housing 1 as the horizontal reference plane, between the second motion control part 241 and the third motion control part 242, the horizontal height of one of them is higher than the horizontal height of the other, so that there is a drop between the second motion control part 241 and the third motion control part 242. When converting from the pre-launch state to the initial launch state, this drop can make the two be better blocked by the push launch channel 11 (the first retaining wall 131, the second retaining wall 132) and will not disengage in advance; and when converting from the end-of-launch state to the final launch state, when one of them disengages from the restriction of the push launch channel 11, it can better rotate around the other under the action of the shrapnel 3, with a sufficiently good cutting angle and speed.

[0097] In yet another embodiment, a driving surface 210 is provided on the push launch button 21, and a driven part 251 is provided on the first motion control part 25 or at a position between the traction elastic arm 22 and the shrapnel 3 corresponding to the driving surface 210. When the push launch button 21 bears an external force, the driving surface 210 contacts and acts on the driven part 251, so that the push launch button 21 drives the first motion control part 25 to move

[0098] Specifically, the driving surface 210 is arranged to be a slope 2101 at least at the part in contact with the driven part 251, and the driven part 251 is arranged to be a curved surface 2511 at least at the part in contact with the driving surface 210, so that the contact part of the driving surface 210 and the driven part 251 in their cross-section is a point contact, so that when pushing the push launch button 21 and acting to push the first motion control part 25, especially when the energy storage channel 12 is not a straight channel, when the driven part 251 rotates by an angle, the driving surface 210 and the driven part 251 can always be kept in point contact, thereby reducing the friction force. While making the pushing process smoother, it also reduces the applied force for pushing the push launch button 21 and avoids jamming.

[0099] In the first embodiment of the present invention, the traction elastic arm 22 is bent, and a bent transition portion 221 is provided at the connection of the traction elastic arm 22 with the first motion control portion 25. The bending directions of the traction elastic arm 22 and the transition portion 221 are different. Specifically, the main body of the traction elastic arm 22 and the transition portion 221 are reverse arcs. Thus, when the hair-pushing button 21 is pushed, the traction elastic arm 22 is pushed by the first motion control portion 25, and the elastic sheet 3 stores potential energy. After the traction elastic arm 22 is compressed, the force of resistance will diverge and will not concentrate on a certain point. When the first motion control portion 25 disengages from the energy storage channel 12 and the traction elastic arm 22 provides a traction force for the movement of the seat body 24 towards the cut 101, the tension of the traction elastic arm 22 stretches more evenly, neither too large nor too small, and the hand feeling is better.

[0100] Furthermore, the energy storage channel 12 is bent, and the bending direction of the energy storage channel 12 is set towards the cut 101. Thus, the middle position of the energy storage channel 12 is higher than both ends. The first motion control portion 25 will first be pushed obliquely upward from the installation end of the energy storage channel 12 to the middle, and then be pushed obliquely downward from the middle to the critical end 122, making the energy storage and release processes of the traction elastic arm 22 and the elastic sheet 3 more reasonable and improving the operation hand feeling.

[0101] Specifically, the emission channel 13 is obliquely arranged towards the cut 101, specifically inclined in the general direction towards the cut 101, so that the seat body 24 can move obliquely downward better under the traction of the traction elastic arm 22, and the process of the disengagement of the second motion control portion 241 and the third control portion abutting against the abutting end 1321 is smoother.

[0102] In another embodiment of the present invention, the hair-pushing button 21 has a hair-pushing portion 212 for bearing an external pressing force and / or pulling force; a hair-pushing opening 102 is provided on the housing 1 at a position corresponding to the hair-pushing portion 212.

[0103] When the hair-pushing portion 212 is located at the head of the hair-pushing button 21, the hair-pushing opening 102 is provided on the periphery of the housing 1.

[0104] When the hair-pushing portion 212 is located on both sides of the hair-pushing button 21, the hair-pushing opening 102 is provided on both sides of the housing 1.

[0105] When the hair-pushing portion 212 is located at the head and both sides of the hair-pushing button 21 at the same time, the hair-pushing opening 102 is provided on the periphery and both sides of the housing 1 at the same time.

[0106] To better understand the composition and functions of the various components in the present invention, a detailed embodiment will be used below to describe the specific composition and usage steps of the present invention in detail.

[0107] A blood collection pushing and hair pushing power mechanism proposed in this detailed embodiment includes a pushing and hair pushing integrated mechanism member 2, and a pushing and hair pushing channel 11, a potential storage channel 12, and a launching channel 13 provided on the housing 1 for the assembly and movement of the pushing and hair pushing integrated mechanism member 2.

[0108] In this detailed embodiment, the structure of the housing 1 refers to the attached Figure 11 As shown, a pushing and hair pushing channel 11, a potential storage channel 12, and a launching channel 13 are provided on the housing 1; the pushing and hair pushing channel 11, the potential storage channel 12, and the launching channel 13 are all grooves or spaces provided on the housing 1; one end of the potential storage channel 12 is a placement end 121 and the other end is a critical end 122, the potential storage channel 12 is curved, and the bending direction of the potential storage channel 12 faces the cut 101; a first retaining wall 131 and a second retaining wall 132 are provided on the housing 1, and the space between the first retaining wall 131 and the second retaining wall 132 constitutes the launching channel 13. A detachment end 1311 is provided on the first retaining wall 131 near the cut 101, and a abutment end 1321 is provided on the second retaining wall 132 near the cut 101. The launching channel 13 is obliquely arranged towards the cut 101; a cut 101 for the cutting part 9 to extend out is also provided on the housing 1, and a pushing and hair pushing opening 102 located on the other circumferential side of the cut 101 for the pushing and hair pushing button 21 to move.

[0109] In this detailed embodiment, the pushing and launching integrated mechanism member 2 includes a pushing button 21, a traction elastic arm 22, a shrapnel 3, and a seat body 24 that are integrally and continuously arranged in sequence. A first motion control portion 25 is provided between the traction elastic arm 22 and the shrapnel 3; a second motion control portion 241 and a third motion control portion 242 are provided on the seat body 24, wherein the second motion control portion 241 is far from the scoring opening 101, and the third motion control portion 242 is close to the scoring opening 101; the first motion control portion 25, the second motion control portion 241, and the third motion control portion 242 are all convex columnar bodies. The pushing button 21 is provided with a guiding portion 211 assembled on the pushing channel 11 and a pushing portion 212 for bearing an external pressing force and / or pulling force. The pushing button 21 is further provided with an active surface 210. Corresponding to the active surface 210, a passive portion 251 is provided on the first motion control portion 25 or at a position between the traction elastic arm 22 and the shrapnel 3. When the pushing button 21 bears an external acting force, the active surface 210 contacts and acts on the passive portion 251, so that the pushing button 21 drives and pushes the first motion control portion 25 to move; the active surface 210 is arranged to be a bevel surface 2101 at least at the portion in contact with the passive portion 251, and the passive portion 251 is arranged to be a curved surface 2511 at least at the portion in contact with the active surface 210, so that the contact portion of the active surface 210 and the passive portion 251 in their cross section is a point contact. The traction elastic arm 22 is bent, and a bent transition portion 221 is provided at the connection of the traction elastic arm 22 and the first motion control portion 25. The bending directions of the traction elastic arm 22 and the transition portion 221 are different.

[0110] The blood collection pushing and launching power mechanism in this detailed embodiment is configured to have a pre-launch state, a launch initial state, a launch end state, and a launch final state, and can sequentially convert from the pre-launch state to the launch initial state, from the launch initial state to the launch end state, and from the launch end state to the launch final state.

[0111] In the initial state, the pushing button 21 and the first motion control portion 25 are respectively placed in the corresponding channels of the lower cover, and the second motion control portion 241 and the third motion control portion 242 are respectively placed close to their respective retaining walls.

[0112] In the launch initial state, the bevel surface 2101 of the pushing button 21 is pushed by the force F to move the first motion control portion 25 to the left, and the shrapnel 3 and the traction elastic arm 22 move to the left synchronously and store energy. Under the elastic force of the shrapnel 3, the counterclockwise rotation trend of the seat body 24 is blocked by the first retaining wall 131 and the second retaining wall 132.

[0113] At the end state of launching, the inclined plane 2101 of the push - launch button 21 is subjected to the force F to push the first motion control part 25 to continue moving leftward, and the elastic sheet 3 and the traction elastic arm 22 move leftward synchronously and store energy. The first motion control part 25 has moved to the end of the channel and is in a critical state of waiting for separation.

[0114] In the final state of launching, the inclined plane 2101 of the push - launch button 21 is subjected to the force F to push the first motion control part 25 to continue moving leftward. Beyond the critical state, the first motion control part 25, under the traction of the traction elastic arm 22 and the reaction force of the channel of the first motion control part 25, begins to move in the downward opening direction. Since the seat body 24 and the first motion control part 25 are integrated, it will also move along the inclined left - downward launching channel 13 formed by the first retaining wall 131 and the second retaining wall 132. When the second motion control part 241 disengages from the first retaining wall 131, under the torsion of the elastic sheet 23 and the inertial force in the direction of the launching channel 13 along the previous path, the seat body 24 moves left - downward relative to the cut - opening 101. Correspondingly, the seat body 24 drives the cutting part 9 to generate cutting in the downward and right - hand directions.

[0115] Thus, under the action of the integrated push - launch power mechanism of the seat body 24, the functions of first moving downward and then rotating can be realized, and then drive the cutting part 9 to perform cutting. As Figure 2 shown, the cutting part 9 is a blade, and cutting is performed by the blade through the cut - opening.

[0116] Embodiment 2: Embodiment 2 of the present invention discloses a blood collector, which uses the blood - collection push - launch power mechanism described in Embodiment 1. This blood collector adopts a cut - opening (cutting - type) blood - collection method, which is mainly applied to blood collection from the heels of infants and young children, and can also be applied to blood collection from other parts of the human body.

[0117] For the above - mentioned embodiments, the possible changes of the present invention are described as follows:

[0118] 1. In the above - mentioned embodiments, the second motion control part 241 and the third motion control part 242 are arranged such that the position of the second motion control part 241 is higher than that of the third motion control part 242, and after the second motion control part 241 disengages from the launching channel 13, the seat body 24 rotates around the third motion control part 242; the present invention is not limited to this, and it can also be designed such that the position of the second motion control part 241 is lower than that of the third motion control part 242, and after the second motion control part 241 disengages from the launching channel 13, the seat body 24 rotates around the third motion control part 242.

[0119] 2. In the above - mentioned embodiments, the housing 1 includes an upper housing and a lower housing, and one or more of the push - launch channel 11, the energy - storage channel 12, and the launching channel 13 are provided on either the upper housing or the lower housing, or one or more of the push - launch channel 11, the energy - storage channel 12, and the launching channel 13 are provided on both the upper housing and the lower housing. For example, as Figure 11As shown, the pushing and sending channel 11, the energy storage channel 12, and the launching channel 13 can all be located on the lower shell. Since in the structure of the base 24 as shown in the figure, a cutting part 9 needs to be installed on one side of the base 24, the launching channel 13 only needs to be on the lower shell, or it can also be designed that the launching channel 13 is only provided on the lower shell, while the pushing and sending channel 11 and the energy storage channel 12 are provided on both the upper shell and the lower shell at the same time.

[0120] 3. In the above embodiments, the pushing button 21 has a pushing part 212 for bearing external pressing force and / or pulling force. Correspondingly, a pushing opening 102 is provided on the housing 1 at the position corresponding to the pushing part 212. The present invention is not limited by the Figure 11 structure. When the pushing part 212 is located at the head of the pushing button 21, the pushing opening 102 is provided on the periphery of the housing 1; when the pushing part 212 is located on both sides of the pushing button 21, the pushing opening 102 is provided on both sides of the housing 1; when the pushing part 212 is located at the head and both sides of the pushing button 21 at the same time, the pushing opening 102 is provided on the periphery and both sides of the housing 1 at the same time.

[0121] 4. In the above embodiments, a bent transition part 221 is provided at the connection of the traction elastic arm 22 and the first motion control part 25. The present invention is not limited thereto, and the transition part 221 can also be in the shape of a rectangle, a rectangle, etc.

[0122] 5. In the above embodiments, the scoring opening 101 can be an open opening, or it can not be opened before use and is opened only during use, or a film is provided at the position where the cutting part 9 extends. When the cutting part 9 extends out of the scoring opening 101, it first cuts through the film and then cuts the blood collection site.

[0123] 6. In the above embodiments, the cutting part 9 is a blade, but the present invention is not limited thereto. The cutting part 9 can also be a sharp object such as a lancet that can be used to cut open the human skin.

[0124] 7. In the above embodiments, the cutting part 9 is fixedly connected to the base by an assembly method, or the cutting part 9 can also be provided integrally with the base 24 to ensure that the cutting part 9 has a certain hardness and sharpness, and can also perform blood collection well.

[0125] The above embodiments are only for explaining the technical concept and characteristics of the present invention, and their purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly, and cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. A blood collection pushing and launching power mechanism is used to provide pushing and launching power for the cutting part (9) of a blood collection device to launch and cut. The blood collection device includes a housing (1), and a cut (101) for the cutting part (9) to extend out is provided on the housing (1). It is characterized in that: The blood collection pushing and launching power mechanism includes a pushing and launching integrated mechanism member (2), and a pushing and launching channel (11), a potential energy storage channel (12), and a launching channel (13) provided on the housing (1) for the assembly and movement of the pushing and launching integrated mechanism member (2); The pushing and launching integrated mechanism member (2) includes a pushing button (21), a traction elastic arm (22), a spring piece (23), and a seat body (24) that are integrally and continuously arranged in sequence; a first motion control part (25) is arranged between the traction elastic arm (22) and the spring piece (23); a second motion control part (241) and a third motion control part (242) are arranged on the seat body (24); The pushing button (21) has a guiding part (211), and the guiding part (211) is assembled on the pushing and launching channel (11). The pushing button (21) is a component that moves along the pushing and launching channel (11) and pushes the first motion control part (25) to move after bearing an external pressing force and / or pulling force; a driving surface (210) is provided on the pushing button (21); The first motion control part (25) is assembled on the potential energy storage channel (12), and a passive part (251) is provided on the first motion control part (25) or at the part between the traction elastic arm (22) and the spring piece (23) corresponding to the driving surface (210). The first motion control part (25) is a component that moves along the potential energy storage channel (12) after bearing the acting force of the pushing button (21) and drives the traction elastic arm (22) and the spring piece (23) to store potential energy. When the first motion control part (25) crosses and disengages from the potential energy storage channel (12), the first motion control part (25) drives the seat body (24) to move under the traction force of the traction elastic arm (22) and the reaction force of the potential energy storage channel (12); The second motion control unit (241) and the third motion control unit (242) are assembled on the launch channel (13), and the base body (24) is a component for connecting the cutting unit (9); when the push button (21) is not subjected to an external force, the second motion control unit (241) and the third motion control unit (242) are located within the launch channel (13). When the first motion control unit (25) moves along the energy storage channel (12), the tendency of the base body (24) to move and rotate under the elastic action of the elastic sheet (23) is blocked by the second motion control unit (241) and the third motion control unit (242) against the launch channel (13). When the first motion control unit (25) crosses and disengages from the energy storage channel (12), the second motion control unit (241) and the third motion control unit (242) move along the launch channel (13) towards the scoring opening (101) under the drive of the base body (24). After the second motion control unit (241) crosses and disengages from the launch channel (13), under the torsional force of the elastic sheet (23) and the inertial force in the direction of the launch channel (13) previously, the base body (24) moves downward to one side relative to the scoring opening (101), and correspondingly, the base body (24) drives the cutting unit (9) to perform a cutting motion in the direction of the other side downward.

2. A blood collection pushing power mechanism according to claim 1, wherein: the blood collection pushing power mechanism is configured to sequentially switch in the pre-launch state, the initial launch state, the end launch state, and the final launch state in sequence; in the pre-launch state, the push-integrated mechanism member (2) is placed in the housing (1) in a natural unloaded state, the push button (21) is installed in the push channel (11), the first motion control unit (25) is located at the placement end (121) of the energy storage channel (12), and the second motion control unit (241) and the third motion control unit (242) are located within the launch channel (13) and are respectively close to both sides of the inner wall of the launch channel (13); when switching from the pre-launch state to the initial launch state, the push button (21) pushes the first motion control unit (25) to move along the energy storage channel (12) under the action of an external force, and the traction elastic arm (22) and the elastic sheet (23) move and store energy synchronously. The tendency of the base body (24) to move and rotate under the elastic action of the elastic sheet (23) is blocked by both sides of the inner wall of the launch channel (13); when switching from the initial launch state to the end launch state, the push button (21) continues to push the first motion control unit (25) to move along the energy storage channel (12) under the action of an external force, and the traction elastic arm (22) and the elastic sheet (23) continue to move and store energy synchronously, wherein the first motion control unit (25) moves to the critical end (122) of the energy storage channel (12) and is in a critical state of pending separation; When transitioning from the end - stage of launching to the final - stage of launching, the push - launch button (21) continues to push the first motion control part (25) under the action of an external force, and causes the first motion control part (25) to cross the critical end (122) of the energy - storage channel (12). The first motion control part (25) drives the seat body (24) to move along the launch channel (13) towards the scoring opening (101) under the traction force of the traction elastic arm (22) and the reaction force of the energy - storage channel (12). After the second motion control part (241) on the seat body (24) disengages from the launch channel (13), the restriction on the rotational tendency of the seat body (24) is released. Under the torsion of the elastic piece (23) and the inertial force in the direction of the launch channel (13) before, the seat body (24) moves downward to one side relative to the scoring opening (101). Correspondingly, the seat body (24) drives the cutting part (9) to perform cutting downward to the other side.

3. A blood - collection push - launch power mechanism according to claim 2, characterized in that: the first motion control part (25), the second motion control part (241), and the third motion control part (242) are all convex cylindrical bodies, and the push - launch channel (11), the energy - storage channel (12), and the launch channel (13) are all grooves or spaces provided on the housing (1).

4. A blood - collection push - launch power mechanism according to claim 3, characterized in that: the housing (1) is provided with a first retaining wall (131) and a second retaining wall (132). The space between the first retaining wall (131) and the second retaining wall (132) constitutes the launch channel (13). A detachment end (1311) is provided on the first retaining wall (131) near the scoring opening (101), and a abutment end (1321) is provided on the second retaining wall (132) near the scoring opening (101); in the pre - launch state, the second motion control part (241) is located in the launch channel (13) and is close to the first retaining wall (131), and the third motion control part (242) is located in the launch channel (13) and is close to the second retaining wall (132); when transitioning from the pre - launch state to the initial - stage of launching, the tendency of the seat body (24) to move and rotate under the elastic action of the elastic piece (23) is blocked by the first retaining wall (131) and the second retaining wall (132); when transitioning from the end - stage of launching to the final - stage of launching, after the second motion control part (241) on the seat body (24) moves away from the first retaining wall (131), the restriction on the rotational tendency of the seat body (24) is released. After the third motion control part (242) moves to the abutment end (1321), it is rotationally connected to the abutment end (1321) in cooperation.

5. A blood - collection push - launch power mechanism according to claim 1, characterized in that: Taking the end face where the scoring opening (101) is located on the housing (1) as the horizontal reference plane, between the second motion control part (241) and the third motion control part (242), the horizontal height of one of them is higher than that of the other.

6. A blood collection pushing and hair-triggering power mechanism according to claim 1, characterized in that: The active surface (210) is arranged to be an inclined surface (2101) at least at the part in contact with the passive part (251), and the passive part (251) is arranged to be a curved surface (2511) at least at the part in contact with the active surface (210), so that the contact part of the active surface (210) and the passive part (251) in their cross-section is a point contact.

7. A blood collection pushing and hair-triggering power mechanism according to claim 1, characterized in that: The traction elastic arm (22) is curved, and a curved transition part (221) is arranged at the connection part of the traction elastic arm (22) and the first motion control part (25), and the bending directions of the traction elastic arm (22) and the transition part (221) are different.

8. A blood collection pushing and hair-triggering power mechanism according to claim 1, characterized in that: The hair-triggering button (21) has a hair-triggering part (212) for bearing external pressing force and / or pushing and pulling force; A hair-triggering opening (102) is arranged on the housing (1) at a position corresponding to the hair-triggering part (212); When the hair-triggering part (212) is located at the head of the hair-triggering button (21), the hair-triggering opening (102) is arranged on the peripheral side of the housing (1); When the hair-triggering part (212) is located on both sides of the hair-triggering button (21), the hair-triggering opening (102) is arranged on both sides of the housing (1); When the hair-triggering part (212) is located at the head and both sides of the hair-triggering button (21) at the same time, the hair-triggering opening (102) is arranged on the peripheral side and both sides of the housing (1) at the same time.

9. A blood collection pushing and hair-triggering power mechanism according to claim 1, characterized in that: The emission channel (13) is obliquely arranged towards the scoring opening (101).

10. A blood collection pushing and hair-triggering power mechanism according to claim 2, characterized in that: The energy storage channel (12) is curved, and the bending direction of the energy storage channel (12) is arranged towards the scoring opening (101).

11. A blood collector, characterized in that: The blood collector uses the blood collection pushing and hair-triggering power mechanism according to any one of claims 1 to 10.

12. A blood collector according to claim 11, characterized in that: The housing (1) includes an upper housing and a lower housing, and the hair-triggering channel (11), the energy storage channel (12), and the emission channel (13) are arranged on any one or both of the upper housing and the lower housing.

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