Unscrewing prompt mechanism and applicator

Abstract

The present application provides an unscrewing prompt mechanism and an applicator. The unscrewing prompt mechanism comprises: a housing and a housing cover, the bottom of the housing being provided with slope sections. The housing cover and the housing are locked in a first direction, wherein the housing cover can be separated from the housing in the first direction after being screwed relative to the housing, and positioning members are provided at an axial end of an upper portion of the housing cover. When the housing cover is screwed through the slope sections, the slope sections abut against the corresponding positioning members in the first direction, thereby generating a prompt indicating that the housing cover and the housing will be separated in the first direction upon continuing screwing. In the present application, the slope sections capable of abutting against the positioning members in the first direction are provided, so that a user can obtain a prompt indicating that the housing cover is separated in the first direction upon screwing the housing cover.

Description

A twist-out reminding mechanism and applicator TECHNICAL FIELD

[0001] The present disclosure relates generally to the technical field of medical devices. More particularly, the present disclosure relates to a twist-out reminding mechanism and applicator. BACKGROUND

[0002] In the current field of medical detection devices, physiological information detectors applied to the human body are commonly used. Such detectors obtain physiological index information of the human body, such as blood glucose level, through a probe inserted into the human body, and send the information to an external receiving device after corresponding processing by the internal electronic components. When using a detector applicator to apply the detector to the human body, the shell cover of the applicator needs to be opened to expose the needle, facilitating subsequent application operations. However, when the user twists the shell cover, they cannot know whether the shell cover has been twisted to the open position, so there is a possibility that the shell cover will be twisted back, resulting in problems such as damage to the shell cover or the detector, or damage to the structure of the applicator.

[0003] Therefore, there is an urgent need to provide a twist-out reminding mechanism and applicator to remind the user that the shell cover has been twisted into place and can be pushed out and separated. SUMMARY

[0004] To at least solve one or more technical problems as mentioned above, the present disclosure proposes a twist-out reminding mechanism and applicator in various aspects.

[0005] In a first aspect, the present disclosure provides a twist-out reminding mechanism, characterized by comprising: a shell and a shell cover, the shell being provided with a slope section at the bottom; the shell cover being locked with the shell in a first direction, wherein the shell cover can be twisted relative to the shell and separated from the shell in the first direction, and the axial end of the upper part of the shell cover is provided with a positioning piece; wherein when the shell cover is twisted through the slope section, the slope section will abut the positioning piece in the first direction, prompting that the shell cover and the shell will be separated in the first direction after further twisting.

[0006] In some embodiments, the shell comprises an upper shell and a lower shell that are mutually buckled, and the slope section is provided at the bottom of the upper shell.

[0007] In some embodiments, when the shell cover is buckled to the shell in the first direction, the lower end of the upper shell is located radially inside the lower shell, and the slope section abuts the positioning piece provided on the shell cover in the first direction when the shell cover is rotated relative to the shell.

[0008] In some embodiments, the height of the slope section gradually increases in the axial direction.

[0009] In some embodiments, the open position of the shell cover is the position where the shell cover is twisted to the maximum opening degree.

[0010] In some embodiments, the highest point of the ramp section is aligned with the positioning member when the shell cover is in the open position.

[0011] In some embodiments, the positioning member comprises a radially extending locking groove, and the shell comprises a radially inwardly protruding locking flange, the locking flange being configured to cooperate with the locking groove to lock the shell cover in the first direction.

[0012] In some embodiments, the shell comprises an upper shell and a lower shell that are coupled to each other, and the locking flange is disposed at the bottom of the lower shell.

[0013] In some embodiments, the locking flange further comprises an axial release opening at the lower end of the ramp section, and the ramp section is configured to abut against the positioning member in the first direction during the movement of the positioning member towards the release opening, and eventually push the positioning member downwards in the first direction out of the release opening to prompt the user to continue to unscrew the shell cover from the shell in the first direction.

[0014] In some embodiments, the release opening is shaped and positioned to match the shape and position of the positioning member.

[0015] In some embodiments, the locking flange comprises a plurality of sections arranged in sequence along the rotation direction of the positioning member relative to the locking flange, and the plurality of sections have different thicknesses in the first direction.

[0016] In some embodiments, the locking flange further comprises a limiting section extending away from the shell cover in the first direction, and the limiting section comprises a return stop surface.

[0017] In some embodiments, the shell further comprises a stop side wall, and a locking section is provided between the stop side wall and the return stop surface, wherein the positioning member is located in the locking section when the shell cover is locked with the shell.

[0018] In some embodiments, the thickness of the locking section in the first direction is greater than the thickness of the other sections of the locking flange except the limiting section.

[0019] In some embodiments, the thickness of the locking flange in the first direction is arranged to be thicker at the beginning and thinner at the end along the relative rotation direction of the shell and the shell cover towards the unscrewing position.

[0020] In a second aspect, the disclosure provides an application device comprising the unscrewing prompting mechanism as described above.

[0021] With the unscrewing prompting mechanism as provided above, the embodiments of the disclosure can prompt the user to unscrew the shell cover in the first direction after the user screws the shell cover by providing the ramp section that can abut against the positioning member in the first direction. BRIEF DESCRIPTION OF DRAWINGS

[0022] The above and other objects, features and advantages of the disclosed example embodiments will become more apparent from the following detailed description read in conjunction with the accompanying drawings, in which:

[0023] Fig. 1 shows an exploded schematic view of an application device with a screw-out reminding mechanism according to some embodiments of the present disclosure;

[0024] Fig. 2 shows an exemplary cross-sectional view of an application device with a screw-out reminding mechanism according to some embodiments of the present disclosure;

[0025] Fig. 3 shows a partial enlarged schematic view of section A in Fig. 1;

[0026] Fig. 4 shows a partial enlarged schematic view of section B in Fig. 1;

[0027] Fig. 5 shows an exemplary perspective view of a shell cover of an application device with a screw-out reminding mechanism according to some embodiments of the present disclosure. Shell 10, shell cover 102, ramp section 103, positioning member 104, upper shell 120, lower shell 130, locking groove 105, locking flange 106, release opening 107, limiting section 108, return stopping surface 109, stopping side wall 110, locking section 111. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present disclosure will be apparently and completely described below with reference to the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by a person skilled in the art without creative work fall within the protection scope of the present disclosure.

[0029] It should be understood that the terms "comprise" and "include" used in the specification and claims of the present disclosure indicate the presence of the described features, integers, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0030] It should also be understood that the terms used in the specification of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure. As used in the specification and claims of the present disclosure, the singular forms "a", "an" and "the" are intended to include the plural forms, unless the context clearly indicates otherwise. It should be further understood that the term "and / or" used in the specification and claims of the present disclosure means one or more of the associated listed items as well as all possible combinations of the items.

[0031] It should also be further understood that the term "and / or" when used in the specification and in claims, means any one and / or all possible combinations of one or more of the associated listed items. In the specification, expressions such as "A, B, and / or C" mean that at least one of A, B, or C is required, and that any combination of A, B, and C is also possible. In other words, A only, B only, C only, A and B, A and C, B and C, or A and B and C are all possible.

[0032] In the specification, unless specifically stated otherwise, the relationship between structures is a direct relationship, but also an indirect relationship, is a total relationship, but also a partial relationship. For example, when describing "A is connected with B", unless it is specifically stated that A is directly connected with B, it should be understood that A is directly connected with B, and also indirectly connected with B; for example, when describing "A is on B", unless it is specifically stated that A is directly on B (AB is adjacent and A is on B), it should be understood that A is directly on B, and A is also indirectly on B (there are other elements between AB, and A is on B). For example, when describing "A is in B", unless it is specifically stated that A is entirely in B, it should be understood that A is entirely in B, and A is also partially in B. Similarly.

[0033] As used in the specification and claims, the term "if" can be interpreted as "when" or "upon" or "in response to a determination" or "in response to detecting" depending on the context. Similarly, the phrase "if it is determined" or "if [a described condition or event] is detected" can be interpreted to mean "upon determining" or "in response to determining" or "upon detecting [a described condition or event]" or "in response to detecting [a described condition or event]" depending on the context.

[0034] The specific embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.

[0035] For the purpose of clear description and easy understanding, in the following description, the side of the detector in contact with the human body is regarded as the vertical lower side of the detector, the side of the detector away from the human body is regarded as the vertical upper side of the detector, the direction parallel to the surface of the detector in contact with the human body is regarded as the horizontal direction, and the direction along the horizontal direction towards the detection needle of the detector is regarded as the radial inward direction, and the direction along the horizontal direction away from the center of the detection needle of the detector is regarded as the radial outward direction. The position description of other related components is also based on the above description, unless otherwise specified. The above description is only used for providing a reference direction for describing the relative position relationship of each structure, and is not a limitation on the actual arrangement of each structure of the embodiments of the present disclosure.

[0036] Referring to FIG. 1, FIG. 1 shows an exploded schematic view of an application device with a screw-out reminding mechanism according to some embodiments of the present disclosure. In some embodiments of the present disclosure, an application device 100 is provided, which can be a medical instrument for installing a detection device to a human body, which can include a screwing reminding device for reminding a user that the screwing has been in place when the shell cover is screwed off. The screwing reminding device can include a shell 10 and a shell cover 102 locked with the shell 10 in a first direction, wherein the shell cover 102 can be screwed relative to the shell 10 and separated from the shell 10 in the first direction. The lower part of the shell 10 can be provided with a ramp section 103 protruding in the direction of the shell cover in the first direction, and the axial end of the upper part of the shell cover 102 is provided with a positioning member 104 protruding upward, wherein when the shell cover 102 is screwed through the ramp section 103, the ramp section 103 will abut the positioning member 104 in the first direction, for prompting that the shell cover 102 will be separated from the shell 10 in the first direction after continuing to screw.

[0037] Specifically, the shell 10 can include an upper shell 120 and a lower shell 130, wherein the upper shell 120 and the lower shell 130 can each be formed as a hollow structure, and the upper shell 120 and the lower shell 130 can be nested with each other in the first direction to jointly form the shell. The upper shell 120 and the lower shell 130 can each be formed as a substantially cylindrical shape, and the first direction can be the axial direction of the shell 10, and the side thereof towards the shell cover 102 can be regarded as the lower side of the shell 10.

[0038] Optionally, the ramp section 103 is provided at the bottom of the upper shell 120, and the ramp section 103 is formed by protruding from the lower side end surface of the upper shell 120 in the direction of the shell cover 102. When the shell cover 102 is fastened to the shell in the first direction, the lower end of the upper shell 120 can be located radially inward of the lower shell 130, and the ramp section 103 can abut the positioning member 104 provided on the shell cover 102 in the first direction when the shell cover 102 rotates relative to the shell.

[0039] According to such an arrangement, when the user rotates the shell cover 102 to drive the positioning member 104 to move in the rotating direction, the upper surface of the positioning member 104 contacts the axial end surface of the slope section 103 and abuts against and slides along the inclined end surface of the slope section 103. During the relative sliding, the height of the slope section 103 in the axial direction gradually increases, thereby gradually pushing the positioning member 104 downward in the first direction, so that the positioning member 104 is pushed downward in the first direction, thereby achieving the purpose of prompting the user to separate the shell cover 102 in the first direction.

[0040] Optionally, by arranging the relative positions of the slope section 103 and the positioning member 104, the highest point of the slope section 103 can be aligned with the positioning member 104 when the shell cover 102 is in the open position. According to such an arrangement, when the positioning member 104 is rotated to the edge side of the open position, the abutting force of the slope section 103 in the first direction reaches the maximum, so that the user can obviously perceive the protrusion of the positioning member 103 in the first direction, thereby ensuring that the prompt of separating the shell cover 102 in the first direction after rotation is received by the user.

[0041] Optionally, the open position can be a position where the shell cover 102 can be rotated to the maximum opening degree, and the shell cover 102 cannot be further rotated forward in the open position.

[0042] In some embodiments of the present disclosure, referring to FIG. 3, which is a partial enlarged view of portion A in FIG. 1, the slope section 103 is provided with a downwardly inclined protruding flange on the axial outer side. According to such an arrangement, when the shell cover 102 is in the open position, the downwardly inclined protruding flange of the slope section 103 abuts against the upper end surface of the positioning member 104 in the first direction, so that the positioning member 104 obviously protrudes in the first direction, thereby enabling the user to obviously perceive the protrusion of the positioning member 103 in the first direction, thereby ensuring that the prompt of separating the shell cover 102 in the first direction after rotation is received by the user.

[0043] Referring to FIG. 1 and FIG. 5, FIG. 5 shows an exemplary perspective view of the shell cover of the application device with the unscrewing reminding mechanism according to some embodiments of the present disclosure. In some embodiments of the present disclosure, the positioning member 104 comprises a radially extending locking groove 105. The shell 10 comprises a radially inwardly protruding locking flange 106 which cooperates with the locking groove 105 to lock the shell cover 102 in the first direction. Specifically, the positioning member 104 can be configured to protrude in the axial direction of the shell cover 102 towards the shell 10 and can be disposed at a radially outer position of the shell cover 102. At a radially outer side of the positioning member 104, a radially inwardly recessed locking groove 105 can be disposed. Correspondingly, at the bottom of the lower shell 130 of the shell 10, a radially inwardly protruding locking flange 106 can be formed which can be configured to cooperate with the locking groove 105 such that the locking flange 106 can be at least partially accommodated in the locking groove 105 after the shell cover 102 is snapped onto the shell 10. When the shell cover 102 is locked relative to the shell 10, the inner top wall of the locking groove 105 can abut against the upper surface of the locking flange 106, whereby the shell cover 102 can be locked in the first direction relative to the shell 10.

[0044] In some embodiments of the present disclosure, as shown in FIG. 1, the locking flange 106 further comprises an axial through release opening 107 which is shaped and positioned to match the shape and position of the positioning member 104, such that the positioning member 104 can be extended into the interior of the shell 10 in the first direction by the release opening 107 and further rotated relative to the shell 10 to rotate the locking groove 105 of the positioning member 104 in the direction of the relative rotation to be sleeved on the locking flange 106. Thus, the shell cover 102 can be locked relative to the shell 10 in a simple manner.

[0045] Optionally, the release opening 107 can be positioned at the lower end of the ramp section 103. When the shell cover 102 is started to be unscrewed, the positioning member 104 will move synchronously on the locking flange 106. During the movement of the positioning member 104 towards the release opening 107, the ramp section 103 will abut against the upper end surface of the positioning member 104 in the first direction and finally push the positioning member 104 downwards in the first direction from the release opening 107 for further prompting that the shell cover 102 will be separated from the shell 10 in the first direction after the screwing.

[0046] Optionally, the height of the ramp section 103 can be configured such that the positioning member 104 protrudes significantly downwards in the first direction when abutting against the ramp section 103 for prompting that the shell cover 102 will be separated from the shell 10 in the first direction after the screwing.

[0047] In some embodiments of the present disclosure, referring to FIG. 4, which is a partial enlarged view of part B in FIG. 1. The locking flange 106 can include a plurality of segments arranged in sequence along the rotation direction of the positioning member 104 and the locking flange 106, wherein the plurality of segments can have different thicknesses in the first direction. The locking flange 106 can include a limiting segment 108 formed by thickening upwards in the first direction, and the limiting segment 108 can include a return stop surface 109 arranged on one side of the limiting segment 108 in the rotation direction of the positioning member 104 and the locking flange 106. Specifically, the limiting segment 108 can be formed by thickening upwards from the upper surface of the locking flange 106, and the return stop surface 109 thereof can be arranged on the side of the limiting segment 108 away from the release opening 107 in the above-mentioned rotation direction. Thus, after the positioning member 104 moves along the locking flange 106 to cross the limiting segment 108, the return stop surface 109 can be used to fix the positioning member 104 to prevent it from moving out in the reverse direction. Thus, the shell 10 and the shell cover 102 can be locked in the rotation direction, and the positioning member 104 is prevented from sliding towards the release opening 107, which can cause the shell cover 102 to loosen or separate from the shell 10.

[0048] In addition, in some embodiments, the return stop surface 109 of the limiting segment 108 and the side surface opposite to the return stop surface 109 can be arranged as an inclined transition surface, so that when the shell cover 102 is unscrewed to separate it from the shell 10, the positioning member 104 can smoothly move along the locking flange 106 to the release opening 107, thereby facilitating the operation of separating or engaging the shell cover 102 with the shell 10.

[0049] Optionally, the shell 10 can further include a stop side wall 110, and a locking segment 111 can be arranged between the stop side wall 110 and the return stop surface 109, wherein the positioning member 104 is located in the locking segment 111 when the shell cover 102 is locked with the shell 10. Thus, the stop side wall 110 and the return stop surface 109 are respectively located on the two sides of the positioning member 104, limiting the movement degree of the positioning member 104 in the horizontal direction, and thereby stabilizing the positioning member 104 in the locking segment, avoiding the positioning member 104 from sliding along the locking flange towards the release opening 107, which can cause the shell cover 102 to loosen or separate from the shell 10.

[0050] Specifically, the axial thickness of the locking flange 106 at the locking segment 111 can be greater than that of the other segments except the limiting segment 108. Thus, the height of the locking segment 111 from the bottom surface of the shell 10 in the first direction is higher than the lowest surface in the upper surface of the locking flange 106. And the axial thickness of the locking segment 111 can be equal to or slightly greater than the width of the locking groove 105 of the positioning member 104 in the first direction. Thus, the positioning member 104 is limited in the first direction, and thereby the positioning member 104 is stabilized on the locking segment 111, avoiding the positioning member 104 from sliding along the locking flange towards the release opening 107, which can cause the shell cover 102 to loosen or separate from the shell 10.

[0051] Referring to FIG. 2, an exemplary cross-sectional view of an application device with a twist-out reminder mechanism according to some embodiments of the present disclosure is shown. In some embodiments of the present disclosure, the housing 10 can further comprise a stopper sidewall 110 for limiting the position of the positioning member 104 in the rotation direction, which can be formed as a protrusion extending from the locking flange 106 away from the shell cover 102 in the first direction. A locking section 111 can be arranged between the stopper sidewall 110 and the stop return surface 109 in the rotation direction. Thus, when the shell cover 102 is locked relative to the housing 10, the positioning member 104 is located in the locking section 111, one side of which can abut against the stopper sidewall 110 and the other side can abut against the stop return surface 109 of the limiting section 108 in the rotation direction, so as to be limited in both directions, further increasing the stability of the positioning member 104 in the locked position. Meanwhile, the arrangement of the stopper sidewall 110 can also avoid the situation that the shell cover is twisted in the reverse direction during installation or use, causing damage to the structure.

[0052] Optionally, the thickness of the locking flange 106 of the housing 10 in the first direction and / or the protruding height of the slope section 103 of the housing 10 in the first direction can be arranged to have a variation in the relative rotation direction between the housing 10 and the shell cover 102. In order to apply different compression forces to the positioning member 104 according to the rotation stage of the shell cover 102 relative to the housing 10, so as to further strengthen the guidance to the user. By arranging the thickness of the locking flange 106 of the housing 10 to be thick first and then thin in the relative rotation direction between the housing 10 and the shell cover 102 towards the twist-out position, the relative fit between the housing 10 and the shell cover 102 can be relatively tight in the first half of the rotation when the user starts to twist, and relatively loose in the second half. After being twisted open, the shell cover 102 is released in the first direction, and the loose state can also remind the user that it has been twisted open.

[0053] Although a number of embodiments of the present disclosure have been shown and described herein, it will be appreciated by those skilled in the art that the embodiments are merely examples of the present disclosure. Various changes, modifications and alternatives can be thought of by those skilled in the art without departing from the spirit and scope of the present disclosure. It should be understood that various alternatives to the embodiments of the present disclosure described herein can be employed in practicing the present disclosure. The appended claims are intended to define the scope of the present disclosure and thus cover any equivalents or alternatives within the scope of the claims.

Claims

1. A unscrew reminder mechanism, characterized in that, The application relates to a twist-out reminding mechanism. The application relates to a twist-out reminding mechanism. The application relates to a twist-out reminding mechanism. The application relates to a twist-out reminding mechanism. The application relates to a twist-out reminding mechanism.

2. The unscrewing reminder mechanism of claim 1, wherein, The application relates to a twist-out reminding mechanism.

3. The unscrewing reminder mechanism of claim 2, wherein, The application relates to a twist-out reminding mechanism.

4. A twist-out reminder mechanism according to any one of claims 1 to 3, wherein, The application relates to a twist-out reminding mechanism.

5. A twist-out reminder mechanism according to any one of claims 1 to 4, wherein, The application relates to a twist-out reminding mechanism.

6. A twist-out reminder mechanism according to any one of claims 1 to 5, wherein, The application relates to a twist-out reminding mechanism.

7. A twist-out reminder mechanism according to any one of claims 1 to 6, wherein, The application relates to a twist-out reminding mechanism.

8. The unscrewing reminder mechanism of claim 7, wherein, The application relates to a twist-out reminding mechanism.

9. A twist-out reminder mechanism according to claim 7 or 8, characterised in that, The application relates to a twist-out reminding mechanism.

10. The unscrewing reminder mechanism of claim 9, wherein, The application relates to a twist-out reminding mechanism.

11. A twist-out reminder mechanism according to claim 9 or 10, characterised in that, The application relates to a twist-out reminding mechanism.

12. A twist-out reminder mechanism according to any one of claims 9 to 11, wherein, The application relates to a twist-out reminding mechanism.

13. The unscrewing reminder mechanism of claim 12, wherein, The application relates to a twist-out reminding mechanism.

14. The unscrewing reminding mechanism according to claim 13, characterized in that The application relates to a twist-out reminding mechanism.

15. A twist-out reminder mechanism as claimed in any one of claims 7 to 14, characterised in that, The application relates to a twist-out reminding mechanism.

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