Hemostat adjustment mechanism

Abstract

A hemostat adjustment mechanism includes a limiting rack disposed on a secondary platform of the hemostat, the limiting rack being inserted into the inner side of the main platform. The mechanism is characterized by an engagement component on the inner side of the main platform for engaging and disengaging the limiting rack to allow the secondary platform to move between the main and secondary platforms, thus changing the distance between them. The engagement component includes an unlocking button and at least one locking slider. The unlocking button has a spring at its bottom and an unlocking foot on its side. The unlocking foot is inserted into a notch in the locking slider, and the other end of the locking slider has a locking tongue that matches the tooth groove of the limiting rack. This invention allows the limiting rack to be unlocked when the unlocking button is pressed, and automatically re-engaged when the button is released. The ingenious structure conforms to ergonomics, and the locking adjustment is stepless, making it faster and more efficient to use.

Description

Technical Field

[0001] This invention relates to a distance adjustment mechanism, specifically a hemostat distance adjustment mechanism, and belongs to the technical field of IPC classification A61B17 / 132. Background Technology

[0002] A novel hemostat disclosed in Chinese Patent Publication No. CN207785231U includes a main platform and a secondary platform. The main platform and the secondary platform are connected by a limiting tooth that enters and exits a limiting port, and are fixed by a retaining pin knob. The retaining pin knob structure is not ingenious and inconvenient to use, making it difficult to adjust the distance between the main platform and the secondary platform. Summary of the Invention

[0003] The purpose of this invention is to solve the technical problems of the above-mentioned hemostat main and auxiliary platform adjustment distance structure being ingenious, inconvenient to use, unstable, and not convenient enough, and to provide a hemostat adjustment mechanism that is ingenious in structure, easy and quick to adjust, and has good stability.

[0004] The technical solution to the problem that this invention aims to solve is as follows:

[0005] A hemostat adjustment mechanism includes a limiting rack disposed on a secondary platform of the hemostat, the limiting rack being inserted into the inner side of the main platform. The mechanism is characterized by: an engagement component on the inner side of the main platform for engaging and disengaging the limiting rack to achieve distance changes in the movement of the secondary platform into and out of the main platform; the engagement component includes an unlocking button and at least one locking slider; the bottom of the unlocking button has a spring, and the side has an unlocking foot; the unlocking foot is inserted into a notch groove in the locking slider, and the other end of the locking slider has a locking tongue that matches the tooth groove of the limiting rack.

[0006] The notch rail groove is inclined, and the unlocking foot slides within the notch rail groove at an inclined angle. When the unlocking button body is displaced in the vertical direction, the unlocking foot slides within the notch rail groove, causing the locking tongue of the lock slider to enter and exit the tooth groove of the limiting rack.

[0007] The unlocking foot extends outward to form a hook with an inclined slope surface; the notch groove of the locking slider is a notch in one side of the groove wall, one side edge of the notch matches the hook part of the hook, and the other side edge of the notch is limited to lateral movement by the shoulder surface of the hook when the unlocking foot causes the locking slider to slide.

[0008] The main platform has a passageway on its inner side corresponding to the locking slider and locking tongue, and the passageway outlet is directly opposite the tooth groove of the limiting rack; one side of the passageway wall extends into the inner side of the main platform.

[0009] A top spring is also provided inside the lock slider. The outer surface of the part of the unlocking foot that extends into the notch groove of the lock slider abuts against one end of the top spring, so that when the unlocking foot is not pressed down with the unlocking button, the locking tongue of the lock slider is abutted into the tooth groove of the limiting rack under the action of the top spring inside the lock slider. The unlocking foot includes a vertical foot base, and the vertical foot base is connected to the bottom of the unlocking button by an inclined sliding surface.

[0010] The unlock button has an extension tab along its edge, which locks into the inside of the main platform so that the top of the unlock button is exposed.

[0011] The limiting rack extends out from the side of the sub-platform in an arc or at an oblique angle. A convex rail or a concave rail is also provided on the side of the limiting rack. The matching convex rail or concave rail is provided with a rail groove or a convex strip on the inner side of the main platform.

[0012] The unlock button also includes a button part, and a buckle cap is provided below the button part. The buckle cap is fastened below the button part to prevent the unlock button from being pressed.

[0013] The beneficial effects of this invention are as follows:

[0014] Compared with the prior art, the present invention can unlock and disengage the limiting rack when the unlock button is pressed, and can automatically restore the locking block to the limiting rack when the button is released. The structure is ingenious, conforms to ergonomics, and the locking adjustment is stepless, making it faster and more efficient to use. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the external structure of the hemostat described in this invention;

[0016] Figure 2 yes Figure 1 Partial structural decomposition diagram;

[0017] Figure 3 This is a schematic diagram of the relevant meshing components and limiting rack of the adjusting mechanism described in this invention;

[0018] Figure 4 This is a schematic diagram illustrating the implementation principle of the meshing component of the present invention;

[0019] Figure 5 This is an exploded structural diagram of the unlocking button and locking slider that make up the engagement assembly of the present invention.

[0020] Figure 6 yes Figure 5 Another perspective on the structural breakdown diagram;

[0021] Figure 7 This is a schematic diagram of the external structure of a hemostat in another embodiment of the present invention;

[0022] Figure 8 yes Figure 7 A schematic diagram of the internal structure after removing some parts;

[0023] Figure 9 yes Figure 7 A schematic diagram of the meshing assembly;

[0024] Figure 10 yes Figure 9 A schematic diagram of the structure that is matched and installed with the limit rack. Detailed Implementation

[0025] The present invention will now be described in further detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore merely examples and should not be used to limit the scope of protection of the present invention.

[0026] It should be noted that, unless otherwise stated, the technical or scientific terms used in this application should have the ordinary meaning as understood by those skilled in the art to which this invention pertains.

[0027] See Figures 1 to 10 The hemostat adjustment mechanism includes a main platform A, a secondary platform B, and a strap E. The adjustment mechanism includes a limiting rack C disposed on the secondary platform B of the hemostat. The limiting rack C is inserted into the inner side of the main platform A. The inner side of the main platform A is provided with a meshing component D for engaging and fixing and unlocking and disengaging from the limiting rack C to realize the distance change of the secondary platform B entering and leaving the main platform A.

[0028] The engagement assembly D includes an unlocking button 1 and at least one locking slider 2; the bottom of the unlocking button 1 is topped with a spring 3 and the side is provided with an unlocking foot 11; the unlocking foot 11 is inserted into the notch groove 21 provided in the locking slider 2, and the other end surface of the locking slider 2 is provided with a locking tongue 22 that matches the tooth groove C1 of the limiting rack C.

[0029] In this invention, there are two lock sliders 2 and two unlocking feet 11 of the unlocking button 1, which are symmetrically arranged on the left and right sides.

[0030] The principle behind this invention is as follows:

[0031] When the unlock button 1 is pressed, the unlock foot 11 of the unlock button 1 slides in the notch groove 21 of the lock slider 2. The displacement caused by the pressing of the unlock button 1 causes the unlock foot 11 to drive the locking tongue 22 of the lock slider 2 to enter or exit the tooth groove C1 of the limit rack C, thus completing the engagement and fixation or unlocking and disengagement of the engagement component D on the limit rack C.

[0032] Continue reading Figures 2 to 6Furthermore, as an improvement to the present invention, the notch groove 21 is inclined, and the unlocking foot 11 slides within the notch groove 21 at an inclined angle. When the unlocking button body is displaced in the vertical direction, the unlocking foot slides within the notch groove, causing the locking tongue 22 of the lock slider to enter and exit the tooth groove C1 of the limiting rack C.

[0033] In this invention, when the unlocking button 1 is pressed, the unlocking foot 11, which is in an inclined notch groove 21, moves vertically downwards at the same angle as the notch groove 21. The inclined foot surface of the unlocking foot 11 and the inclined end surface of the notch groove 21 press against each other. Since the button where the unlocking foot 11 is located is falling vertically, the force of the unlocking foot 11 sliding down vertically is decomposed on the inclined surface of the notch groove 21 into one of the forces that causes the locking slider 2 to slide inwards. This allows the locking tongue 22 of the locking slider 2 to disengage from the tooth groove C1 of the limiting rack C, and the secondary platform B and the main platform A can then move relative to each other.

[0034] Once the distance is adjusted to the correct position, the unlock button 1 is released, and the unlock button 1 rebounds under the action of the spring 3. At this time, sliding friction is generated on the upper surface between the other side surface of the unlock foot 11 and the notch rail groove 21. Since the locking slider 2 is tightly sealed inside the main platform A, the force of sliding friction of the locking slider 2 is decomposed into a force that moves outward, thereby realizing that the locking tongue 22 of the locking slider 2 re-abuts into the tooth groove C1 of the limiting rack C, and automatically realizes the engagement and fixation of the engagement component D.

[0035] Furthermore, as an improvement to the present invention, the unlocking foot 11 extends outward to form a hook body with an inclined slope 15 on its surface; the notch groove 21 of the locking slider 2 is provided with a notch in one side of the groove wall, one side edge 23 of the notch matches the hook part 12 of the hook body, and the other side edge 24 of the notch is limited to lateral movement by the surface of the shoulder part 13 of the hook body when the unlocking foot 11 causes the locking slider 2 to slide.

[0036] In this invention, the notch groove 21 of the unlocking foot 11 hook and the locking slider 2 serves the following functions:

[0037] 1. Without the obstruction of internal components of the main platform A, the meshing assembly D can maintain the lateral stability of the corresponding limiting rack C. This is mainly achieved by the hook part of the hook body and its inclined slope 15 matching the two side edges 23 and 24 of the notch rail groove 21.

[0038] 2. When the unlocking foot 11 moves up and down with the unlocking button 1 in the notch rail groove 21, the notch in the groove wall of the notch rail groove 21 provides a vertically movable buffer gap for the unlocking foot 11 in the notch rail groove 21. This movable buffer gap ensures the smooth sliding of the two and prevents jamming.

[0039] Continue reading Figure 4Furthermore, as an improvement to the present invention, a passageway A1 is provided on the inner side of the main platform A at the location corresponding to the locking tongue 22 of the locking slider 2, and the outlet of passageway A1 is directly opposite the tooth groove C1 of the limiting rack C. One side of the passageway A1 extends into the inner side of the main platform A, exposing A2.

[0040] In this invention, the passage wall A1 extends into the main platform A, exposing A2. This matches the notch edge 24 of the lock slider 2 on the diagonal side of the other side of the horizontal direction. When the locking tongue 22 of the lock slider 2 is pushed into the tooth groove C1, the portion of the passage wall extending to expose A2 will cause the gap between the unlocking foot 11 and the notch groove 21 in the horizontal direction of the entire lock slider 2 to increase accordingly. This also allows the unlocking foot 11 and the notch groove 21 to maintain flexibility when the unlocking button 1 is pressed, reducing the physical jamming of the two surfaces due to the structure.

[0041] Continue reading Figure 9 Furthermore, as an improvement to the present invention, a top spring 5 is also provided inside the lock slider 2. The outer surface of the part of the unlocking foot 11 that penetrates into the notch groove 21 of the lock slider 2 abuts against one end 33 of the top spring 5, so that when the unlocking foot 11 is not pressed down with the unlocking button 1, the locking tongue 22 provided in the lock slider 2 abuts into the tooth groove C1 of the limiting rack C under the action of the top spring 5 inside the lock slider 2.

[0042] The unlocking foot 11 includes a vertical foot base 32, and the vertical foot base 32 is connected to the bottom of the unlocking button 1 by a sloping sliding surface 34.

[0043] In this invention, when the unlock button 1 is pressed, the unlock foot 11 of the unlock button 1 slides against the notch groove 21 on the surface of the lock slider 2. That is, the force of the unlock foot 11 sliding down along the notch groove 21 is decomposed on the surface of the notch groove 21 into one of the forces that causes the surface of the notch groove 21 to slide inward, so as to realize that the end of the lock slider 2 that abuts against the tooth groove C1 of the limiting rack C disengages from the tooth groove C1.

[0044] The secondary platform B and the main platform A can move relative to each other. When the movement is adjusted to the desired position, the unlock button 1 is released. Under the action of the spring 3, the unlock button 3 springs up. At this time, the inclined sliding surface 34 in the notch rail groove 21 is partially or completely disengaged from the notch rail groove 21, leaving only the vertical foot base 32 in the notch rail groove 21. Because the space in the notch rail groove 21 becomes larger, and the locking slider 2 is no longer or completely restricted by the inclined sliding surface 34 of the unlock foot 11, under the action of the top spring 5, the other end of the top spring 5 presses against the end 33 of the locking slider 2, causing the locking slider 2 to move outward, thereby allowing the locking tongue 22 to be inserted into the tooth groove C1 of the limiting rack C to achieve locking.

[0045] Furthermore, as an improvement to the present invention, the edge of the unlock button 1 is provided with an extension latch 35, which is located inside the main platform A so that the upper end of the unlock button 1 is exposed.

[0046] In this invention, the main platform A is provided with a cover, and the cover is provided with a hole for the button part of the unlock button 1 to be exposed. Therefore, the extended locking foot 35 will prevent the unlock button 1 from disengaging from the hole under the action of the spring 3.

[0047] Furthermore, as an improvement to the present invention, the limiting rack C extends out from the side of the sub-platform B in an arc shape or at an inclined angle, and a convex rail (not shown in the figure) or a concave rail C2 is also provided on the side of the limiting rack C, and a rail groove (not shown in the figure) or a convex strip (not shown in the figure) is provided on the inner side of the main platform A to match the convex rail (not shown in the figure) or the concave rail C2.

[0048] In this invention, the corresponding matching arrangement between the side of the limiting rack C and the main platform A provides excellent distance guidance and a more snug fit during contact. This design also conforms to the ergonomic principles of hemostats contacting the human skin surface during use.

[0049] Furthermore, as an improvement to the present invention, the unlock button 1 also includes a button part 16, and a buckle cap 4 is provided below the matching button part 16. The buckle cap 4 is fastened below the button part 16 so that the unlock button 1 cannot be pressed.

[0050] In this invention, the buckle cap 4 serves as a safety feature, preventing the button portion 16 from being impacted in case of an accident, which could cause the locking tongue 22 of the locking slider 2, which forms the engagement assembly D, to disengage from the tooth groove C1 of the limiting rack C, resulting in accidental unlocking and disengagement of the hemostat.

[0051] When adjustment is required, simply remove the buckle cap 4 from below the button portion 16. The buckle cap 4 can be made of elastic material or be a quick-release clamp structure.

Claims

1. A hemostat adjustment mechanism, comprising a limiting rack disposed on a secondary platform of the hemostat, the limiting rack being inserted into the inner side of the main platform, characterized in that: An engagement component is provided on the inner side of the main platform for engaging and unlocking the limiting rack to achieve changes in the distance between the auxiliary platform entering and exiting the main platform. The engagement component includes an unlock button and at least one locking slider. The bottom of the unlock button has a spring and an unlocking foot is provided on the side. The unlocking foot is inserted into the notch groove of the locking slider. The other end of the locking slider has a locking tongue that matches the tooth groove of the limiting rack. The notch rail groove is inclined, and the unlocking foot slides and matches within the notch rail groove at an inclined angle. When the unlocking button body is displaced in the vertical direction, the unlocking foot slides within the notch rail groove, causing the locking tongue of the lock slider to enter and exit the tooth groove of the limiting rack. The unlocking foot extends outward into a hook with a sloping surface; the notch groove of the locking slider is a notch in one side of the groove wall, one side edge of the notch matches the hook part of the hook, and the other side edge of the notch is limited to lateral movement by the shoulder surface of the hook when the unlocking foot causes the locking slider to slide. The limiting rack extends out from the side of the sub-platform in an arc or at an inclined angle. A convex rail or a concave rail is also provided on the side of the limiting rack. The matching convex rail or concave rail is provided with a rail groove or convex strip on the inner side of the main platform.

2. The hemostat adjustment mechanism according to claim 1, characterized in that: The main platform has a passageway on its inner side corresponding to the locking slider and locking tongue, and the passageway outlet is directly opposite the tooth groove of the limiting rack; one side of the passageway wall extends into the inner side of the main platform.

3. The hemostat adjustment mechanism according to claim 1, characterized in that: The unlock button also includes a button part, and a buckle cap is provided below the button part. The buckle cap is fastened below the button part to prevent the unlock button from being pressed.

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