Fine adjustment protective cover

Abstract

The utility model discloses a fine-tuning protective cover which comprises a protective cover mechanism and a fine-tuning mechanism, the protective cover mechanism is arranged on the outer side of the fine-tuning mechanism, the protective cover mechanism can protect the fine-tuning mechanism, the fine-tuning mechanism can adjust the liquid flow, and the protective cover mechanism can independently rotate or drive the fine-tuning mechanism to rotate. The fine adjustment device has the advantages that when the first protection cover and the second protection cover are in a natural state, the first protection cover and the second protection cover are rotated, the internal limiting blocks cannot make contact with the boss check blocks, and therefore the fine adjustment body cannot be driven to rotate; when the flow speed needs to be adjusted, the first protection cover and the second protection cover are pushed upwards, the limiting block reaches the side edge of the boss check block, at the moment, the boss check block can be pushed to rotate through the limiting block when the first protection cover and the second protection cover are rotated, and therefore the fine adjustment body is pushed to rotate; therefore, the flow rate can be adjusted by the fine adjustment body.

Description

Technical Field

[0001] The utility model relates to the technical field of drip adjustment, in particular to a fine-tuning protective cover. Background Art

[0002] During the infusion process, the dripping speed can be adjusted by the fine-tuning mechanism. The fine-tuning mechanism currently used is often used to rotate the protective cover due to children's curiosity, thereby adjusting the infusion speed, causing the infusion speed to be too fast or too slow, affecting the use. For this reason, the utility model author has specially made improvements. The infusion speed can be adjusted by manually pulling the protective cover mechanism upwards and then rotating it. When in a natural state, even if the protective cover mechanism is rotated by mistake, it will not drive the fine-tuning mechanism to rotate. Utility Model Content

[0003] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the above problems or problems existing in the prior art, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a fine-tuning protective cover, which can drive the fine-tuning mechanism to rotate by adjusting the protective cover mechanism upward, and the fine-tuning mechanism adjusts the speed and flow of the infusion. When the protective cover mechanism is naturally drooped, the fine-tuning mechanism will not rotate with it even if the protective cover mechanism is rotated further.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a fine-tuning protective cover, which includes a protective cover mechanism and a fine-tuning mechanism. The protective cover mechanism is arranged on the outside of the fine-tuning mechanism, the protective cover mechanism can protect the fine-tuning mechanism, the fine-tuning mechanism can adjust the size of the liquid flow, and the protective cover mechanism can rotate alone or drive the fine-tuning mechanism to rotate.

[0007] As a preferred solution of the fine-tuning protective cover of the utility model, the protective cover mechanism can be raised and lowered along the fine-tuning mechanism, and the protective cover mechanism can limit the fine-tuning mechanism.

[0008] As a preferred solution of the fine-tuning protective cover of the utility model, the protective cover mechanism includes a first protective cover, a second protective cover, and a limit assembly. The limit assembly is arranged on the inner sides of the first protective cover and the second protective cover. The first protective cover is connected to the second protective cover, and the limit assembly can drive the fine-tuning mechanism to rotate.

[0009] As a preferred solution of the fine-tuning protective cover of the utility model, wherein: a sliding groove and a limiting step are provided on the first protective cover and the second protective cover, a limiting step is provided at the bottom of the sliding groove, a limiting component is provided on the limiting step, and the sliding groove allows the fine-tuning mechanism to pass through.

[0010] As a preferred solution of the fine-tuning protective cover of the utility model, the lower end and upper end of the first protective cover and the second protective cover are respectively provided with a fitting limit part and an upper limit part, the fitting limit part can be fitted and limited with the fine-tuning mechanism, and the upper limit part can limit the upper end of the fine-tuning mechanism.

[0011] As a preferred solution of the fine-tuning protective cover of the utility model, the first protective cover and the second protective cover are connected by a clamping assembly, and the clamping assembly can fix the first protective cover and the second protective cover.

[0012] As a preferred solution of the fine-tuning protective cover of the utility model, the fine-tuning mechanism includes a fine-tuning body, a plurality of boss blocks are arranged in a circular array on the upper outer side of the fine-tuning body, and the limiting assembly can drive the boss blocks to rotate.

[0013] As a preferred solution of the fine-tuning protective cover of the utility model, a fitting cut-off portion is also provided on the fine-tuning body, the fitting cut-off portion is arranged at the lower end of the boss stopper, and the fitting cut-off portion can be fitted and limited with the fitting limit portion.

[0014] As a preferred solution of the fine-tuning protective cover of the utility model, the fine-tuning body is also provided with a rotation avoidance zone, which is arranged below the fitting cut-off portion, and the rotation avoidance zone allows the limit step and the limit assembly to rotate through.

[0015] As a preferred solution of the fine-tuning protective cover of the utility model, the limiting assembly includes a limiting block, and the limiting block can cooperate with the boss stopper.

[0016] The beneficial effects of the utility model are as follows: when the protective cover mechanism is in a natural state, the fine-tuning mechanism will not rotate therewith even if the protective cover mechanism is rotated at will; when the output flow of the fine-tuning mechanism needs to be adjusted, the protective cover mechanism only needs to be raised, and the fine-tuning mechanism is driven to rotate by the limiting component in the protective cover mechanism, thereby achieving the adjustment of the flow rate and avoiding misoperation of the fine-tuning mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 This is an overall schematic diagram of the fine-tuning protective cover.

[0019] Figure 2 This is a three-dimensional schematic diagram of the fine-tuning protective cover in the state of hiding the second protective cover.

[0020] Figure 3 A schematic diagram of a first protective cover for fine-tuning the protective cover.

[0021] Figure 4 A schematic diagram of a second protective cover for fine-tuning the protective cover.

[0022] Figure 5 A cross-sectional diagram of the fine-tuning protective cover. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0026] Example 1

[0027] Reference Figures 1 to 3 , which is the first embodiment of the utility model, and this embodiment provides a fine-tuning protective cover, which includes a protective cover mechanism 1 and a fine-tuning mechanism 2. By moving the protective cover mechanism 1 upward, it can cooperate with the fine-tuning mechanism 2 to drive it to rotate. The protective cover mechanism 1 can be rotated in a natural state, and the protective cover mechanism 1 rotates around the fine-tuning mechanism 2 without driving the fine-tuning mechanism 2 to rotate.

[0028] Specifically, the protective cover mechanism 1 and the fine-tuning mechanism 2, the protective cover mechanism 1 is arranged on the outside of the fine-tuning mechanism 2, the protective cover mechanism 1 can protect the fine-tuning mechanism 2, the fine-tuning mechanism 2 can adjust the size of the liquid flow, and the protective cover mechanism 1 can rotate alone or drive the fine-tuning mechanism 2 to rotate.

[0029] In summary, the utility model moves the protective cover mechanism 1 upwards, and the fine-tuning mechanism 2 can be driven to rotate by rotating the protective cover mechanism 1, and the fine-tuning mechanism 2 adjusts the output flow rate of the liquid. By lowering the protective cover mechanism 1, the protective cover mechanism 1 can be placed in a natural state, and the protective cover mechanism 1 can be rotated. At this time, no matter how the protective cover mechanism 1 is rotated, the fine-tuning mechanism 2 will not be driven to rotate, thereby preventing children or other personnel from misoperating the fine-tuning mechanism 2, which will result in different infusion speeds.

[0030] Example 2

[0031] Reference Figures 1 to 5 , which is the second embodiment of the utility model. In the previous embodiment, the fine-tuning protective cover includes a protective cover mechanism 1 and a fine-tuning mechanism 2. By moving the protective cover mechanism 1 upward, it can cooperate with the fine-tuning mechanism 2 to drive it to rotate. The protective cover mechanism 1 can be rotated in a natural state, and the protective cover mechanism 1 rotates around the fine-tuning mechanism 2 without driving the fine-tuning mechanism 2 to rotate.

[0032] Specifically, the protective cover mechanism 1 and the fine-tuning mechanism 2, the protective cover mechanism 1 is arranged outside the fine-tuning mechanism 2, the protective cover mechanism 1 can protect the fine-tuning mechanism 2, the fine-tuning mechanism 2 can adjust the size of the liquid flow, the protective cover mechanism 1 can rotate alone or drive the fine-tuning mechanism 2 to rotate,

[0033] Furthermore, the protective cover mechanism 1 can be raised and lowered along the fine-tuning mechanism 2 , and the protective cover mechanism 1 can limit the fine-tuning mechanism 2 .

[0034] Preferably, the protective cover mechanism 1 rises and cooperates with the fine-tuning mechanism 2 to drive the fine-tuning mechanism 2 to rotate; the protective cover mechanism 1 can rotate around the fine-tuning mechanism 2 in a natural state, that is, the rotation of the protective cover mechanism 1 will not drive the fine-tuning mechanism 2 to rotate.

[0035] Furthermore, the protective cover mechanism 1 includes a first protective cover 11, a second protective cover 12, and a limit assembly 13. The limit assembly 13 is arranged inside the first protective cover 11 and the second protective cover 12. The first protective cover 11 is connected to the second protective cover 12. The limit assembly 13 can drive the fine-tuning mechanism 2 to rotate.

[0036] Preferably, when the first protective cover 11 and the second protective cover 12 rotate, they can drive the internal limiting assembly 13 to rotate, and the limiting assembly 13 drives the fine-tuning mechanism 2 to rotate.

[0037] Furthermore, a sliding groove 14 and a limiting step 15 are provided on the first protective cover 11 and the second protective cover 12. The limiting step 15 is provided at the bottom of the sliding groove 14, and a limiting component 13 is provided on the limiting step 15. The sliding groove 14 allows the fine-tuning mechanism 2 to pass through.

[0038] Preferably, a limiting step 15 is provided at the bottom of the sliding groove 14, and a limiting block 131 is provided vertically upward on the upper end surface of the limiting step 15. The limiting block 131 is provided on the side of the sliding groove 14, so that the first protective cover 11 and the second protective cover 12 will not contact the boss block 22 on the fine-tuning body 21 even if they are rotated in a natural state, that is, the first protective cover 11 and the second protective cover 12 can rotate around the fine-tuning body 21 without driving the fine-tuning body 21 to rotate.

[0039] Preferably, the first protective cover 11 and the second protective cover 12 are also provided with buckles, which are arranged at the upper end of the sliding groove 14 . The buckles have a certain elasticity, and the buckles can pass through the maximum outer diameter of the fine-tuning body 21 by pushing the first protective cover 11 and the second protective cover 12 .

[0040] Furthermore, the lower end and upper end of the first protective cover 11 and the second protective cover 12 are respectively provided with a fitting limit portion 16 and an upper limit portion 17 . The fitting limit portion 16 can fit and limit the fine-tuning mechanism 2 , and the upper limit portion 17 can limit the upper end of the fine-tuning mechanism 2 .

[0041] Preferably, when the first protective cover 11 and the second protective cover 12 are in a natural state, the fitting limit portion 16 can rotate along the rotation avoidance zone 24. After the first protective cover 11 and the second protective cover 12 are lifted to a specific position, the fitting limit portion 16 can fit with the fitting stop portion 23, which can indicate that the maximum rising position has been reached.

[0042] Preferably, the upper limit portion 17 is disposed at the upper end of the fine-tuning body 21, and can be supported on the fine-tuning body 21 when the first protective cover 11 and the second protective cover 12 are in a natural state, so that the first protective cover 11 and the second protective cover 12 can be rotated at will.

[0043] Furthermore, the first protective cover 11 and the second protective cover 12 are connected via a clamping assembly 18 , and the clamping assembly 18 can fix the first protective cover 11 and the second protective cover 12 .

[0044] Preferably, the first protective cover 11 and the second protective cover 12 are installed in a split manner, so that the first protective cover 11 and the second protective cover 12 can never be separated from the fine-tuning body 21.

[0045] Furthermore, the fine-tuning mechanism 2 includes a fine-tuning body 21 , and a plurality of boss blocks 22 are arranged in a circumferential array on the upper outer side of the fine-tuning body 21 . The limiting assembly 13 can drive the boss blocks 22 to rotate.

[0046] Preferably, the snap-on assembly 18 includes an elastic hook and a snap-on groove. The elastic hook is arranged on the first protective cover 11, and the snap-on groove is arranged on the second protective cover 12. The elastic hook can be inserted into the snap-on groove in the second protective cover 12 by driving the first protective cover 11. Since the elastic hook has a certain elasticity, it can be snapped into the snap-on groove and cannot come out, thereby realizing the connection between the first protective cover 11 and the second protective cover 12.

[0047] The fine-tuning mechanism 2 comprises a fine-tuning body 21 , and a plurality of boss blocks 22 are arranged in a circumferential array on the upper outer side of the fine-tuning body 21 . The limiting assembly 13 can drive the boss blocks 22 to rotate.

[0048] Preferably, the purpose of providing a plurality of boss blocks 22 is to enable the boss blocks 22 to rotate by the limit block 131 when the limit block 131 moves upward by rotating the protective cover mechanism 1, thereby driving the fine-tuning body 21 to rotate and adjusting the flow rate.

[0049] Furthermore, a fitting stop portion 23 is also provided on the fine-tuning body 21 . The fitting stop portion 23 is provided at the lower end of the boss stopper 22 . The fitting stop portion 23 can be fitted and limited with the fitting limit portion 16 .

[0050] It should be noted that a boss stop avoidance area is provided on the upper part of the first protective cover 11 and the second protective cover 12. The boss stop avoidance area can prevent the first protective cover 11 and the second protective cover 12 from acting on the boss stop 22 when they are rotated in a natural state. Therefore, in a natural state, the rotation of the first protective cover 11 and the second protective cover 12 cannot drive the boss stop 22 to rotate, thereby avoiding misoperation caused by children.

[0051] Furthermore, the limiting assembly 13 includes a limiting block 131 , and the limiting block 131 can cooperate with the boss stopper 22 .

[0052] Furthermore, the fine-tuning body 21 is also provided with a rotation avoidance area 24 , which is arranged below the fitting cut-off portion 23 , and the rotation avoidance area 24 can be passed through by the limiting step 15 and the limiting assembly 13 when they rotate.

[0053] In summary, the utility model, when the first protective cover 11 and the second protective cover 12 are in a natural state, by rotating the first protective cover 11 and the second protective cover 12, the internal limit block 131 will not contact the boss block 22, thereby not driving the fine-tuning body 21 to rotate; when the flow rate needs to be adjusted, the first protective cover 11 and the second protective cover 12 are pushed upward so that the limit block 131 reaches the side of the boss block 22. At this time, when the first protective cover 11 and the second protective cover 12 are rotated, the boss block 22 can be pushed to rotate through the limit block 131, thereby pushing the fine-tuning body 21 to rotate, thereby realizing the fine-tuning body 21 to adjust the flow rate.

[0054] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0055] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0056] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0057] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A fine-tuning protective cover, characterized in that: The invention comprises a protective cover mechanism (1) and a fine-adjustment mechanism (2), wherein the protective cover mechanism (1) is arranged outside the fine-adjustment mechanism (2), the protective cover mechanism (1) can protect the fine-adjustment mechanism (2), the fine-adjustment mechanism (2) can adjust the size of the liquid flow, and the protective cover mechanism (1) can rotate independently or drive the fine-adjustment mechanism (2) to rotate; The protective cover mechanism (1) can be raised and lowered along the fine-tuning mechanism (2), and the protective cover mechanism (1) can limit the position of the fine-tuning mechanism (2); The protective cover mechanism (1) comprises a first protective cover (11), a second protective cover (12), and a limit assembly (13); the limit assembly (13) is arranged inside the first protective cover (11) and the second protective cover (12); the first protective cover (11) is connected to the second protective cover (12); and the limit assembly (13) can drive the fine adjustment mechanism (2) to rotate; The first protective cover (11) and the second protective cover (12) are provided with a sliding groove (14) and a limiting step (15); the limiting step (15) is provided at the bottom of the sliding groove (14); a limiting component (13) is provided on the limiting step (15); and the sliding groove (14) allows the fine adjustment mechanism (2) to pass through; The first protective cover (11) and the second protective cover (12) are provided with a fitting limit portion (16) and an upper limit portion (17) at the lower end and the upper end respectively, the fitting limit portion (16) can fit and limit the fine-tuning mechanism (2), and the upper limit portion (17) can limit the upper end of the fine-tuning mechanism (2); The first protective cover (11) and the second protective cover (12) are connected via a clamping assembly (18), and the clamping assembly (18) can fix the first protective cover (11) and the second protective cover (12).

2. The fine-tuning protective cover according to claim 1, characterized in that: The fine-tuning mechanism (2) comprises a fine-tuning body (21), a plurality of boss blocks (22) are arranged in a circular array on the upper outer side of the fine-tuning body (21), and the limiting assembly (13) can drive the boss blocks (22) to rotate.

3. The fine-tuning protective cover according to claim 2, characterized in that: The fine-tuning body (21) is also provided with a fitting stop portion (23), the fitting stop portion (23) being arranged at the lower end of the boss stopper (22), and the fitting stop portion (23) can be fitted and limited with the fitting limit portion (16).

4. The fine-tuning protective cover according to claim 3, characterized in that: The fine-tuning body (21) is further provided with a rotation avoidance area (24), wherein the rotation avoidance area (24) is arranged below the fitting cut-off portion (23), and the rotation avoidance area (24) allows the limiting step (15) and the limiting assembly (13) to rotate through.

5. The fine-tuning protective cover according to claim 1, characterized in that: The limiting assembly (13) comprises a limiting block (131), and the limiting block (131) can cooperate with the boss stopper (22).

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