Fixing mechanism and negative pressure drainage device

Abstract

The utility model relates to the technical field of medical instruments, in particular to a fixing mechanism and a negative pressure drainage device.The fixing mechanism comprises an installation unit which comprises an installation ring, a threaded column arranged on the peripheral face of the installation ring and an installation assembly in threaded fit with the threaded column; the limiting unit comprises a sliding assembly arranged on the peripheral surface of the mounting assembly in a sliding manner and a limiting assembly arranged on the mounting assembly; and the clamping unit comprises a fixing assembly arranged on the outer peripheral surface of the mounting assembly, a pressing assembly arranged on the outer peripheral surface of the sliding assembly, and a telescopic assembly arranged on the fixing assembly and the pressing assembly. The mounting angle of the fixing mechanism can be adjusted through cooperation of the mounting assembly and the threaded column, plates or round pipes of different sizes can be stably clamped by the clamping unit through the arranged limiting unit, and the fixing mechanism can be mounted more stably.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, especially a fixed mechanism and negative pressure drainage device. BACKGROUND

[0002] A fixed mechanism is a mechanism used to secure objects, usually used to support, secure and position various equipment and components. Depending on different application scenarios and requirements, fixed mechanisms can have many different designs and structures. Here are some common types of fixed mechanisms: brackets, screws and nuts, clamps, welding, adhesives, etc.

[0003] The existing fixed mechanism can only stably fix the device together or stably fix it on the plate or pipe being installed, cannot adjust the installation angle of the fixed mechanism according to the position of the plate or pipe on site, and the fixed mode of the fixed structure is single; The existing negative pressure drainage device is installed by a mounting bracket or a hook, but the mounting bracket can only place the negative pressure drainage device on a horizontal surface, and the hook can only hang the negative pressure drainage device, neither of which can prevent the negative pressure drainage device from being accidentally knocked over. SUMMARY

[0004] In view of the above technical problems that the existing fixed mechanism cannot adjust the installation angle of the fixed mechanism according to the position of the plate or pipe on site, the first technical scheme of the utility model is proposed.

[0005] The utility model provides a fixed mechanism, which aims to solve the technical problem that the installation angle of the fixed mechanism cannot be adjusted.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a fixed mechanism, comprising an installation unit, a limiting unit, and a clamping unit.

[0007] The installation unit comprises an installation ring, a threaded column arranged on the outer circumferential surface of the installation ring, and an installation assembly threadedly matched with the threaded column;

[0008] The limiting unit comprises a sliding assembly slidingly arranged on the outer circumferential surface of the installation assembly, and a limiting assembly arranged on the installation assembly; and

[0009] The clamping unit comprises a fixing assembly arranged on the outer circumferential surface of the installation assembly, a pressing assembly arranged on the outer circumferential surface of the sliding assembly, and an extension assembly arranged on the fixing assembly and the pressing assembly.

[0010] As an optimal scheme of the utility model fixed mechanism, wherein: the installation assembly, including with the compression assembly is connected the installation column, and set up in the installation column, and with the threaded sleeve of threaded cooperation of screw column;

[0011] Wherein, the installation column is towards the installation ring one end is equipped with for installing the blind hole of threaded sleeve.

[0012] As an optimal scheme of the utility model fixed mechanism, wherein: the sliding assembly, including sliding setting on the outer circumferential surface of the installation column sliding cylinder, and set up on the inner circumferential surface of the sliding cylinder limit board.

[0013] As an optimal scheme of the utility model fixed mechanism, wherein: the limit component, including set up in the installation column away from the installation ring one end limit rod, and set up on the limit rod baffle;

[0014] Wherein, the limit board is equipped with for the limit rod passes through the through -hole.

[0015] As an optimal scheme of the utility model fixed mechanism, wherein: the fixed component, including set up on the installation column fixed plate, set up on the fixed plate anti -skid layer, and set up on the fixed plate limit layer;

[0016] Wherein, the fixed plate is equipped with through groove, and the fixed plate away from the installation column one end is equipped with the guide surface.

[0017] As an optimal scheme of the utility model fixed mechanism, wherein: the telescopic component, including set up on the fixed plate telescopic part, and set up on the compression assembly, and with the outer circumferential surface of telescopic part sliding friction limit cylinder.

[0018] As an optimal scheme of the utility model fixed mechanism, wherein: the telescopic part, including set up on the fixed plate fixed cylinder, and in the fixed cylinder inside, and with the fixed plate and the compression assembly connection elastic piece.

[0019] The utility model discloses another purpose is to provide a kind of negative pressure drainage device, its purpose is to: solve the technical problem that negative pressure drainage device cannot be prevented from being mistaken and dumping.

[0020] To solve the above technical problems, the utility model further provides the following technical scheme: a kind of negative pressure drainage device, it includes fixed mechanism and negative pressure drainage unit.

[0021] Negative pressure drainage unit, including setting on the inner circumferential surface of the installation ring drainage cylinder, detachably mounted on the drainage cylinder sealing assembly, and set up on the sealing assembly drainage component.

[0022] As a preferred scheme of the negative pressure drainage device, the sealing assembly comprises a sealing plug matched and compressed with the drainage cylinder, a negative pressure pipe arranged on the sealing plug, and a liquid inlet pipe arranged on the sealing plug.

[0023] As a preferred scheme of the negative pressure drainage device, the drainage assembly comprises a rubber pipe sealedly connected with the liquid inlet pipe, a drainage pipe arranged at one end of the rubber pipe away from the liquid inlet pipe, and a liquid suction pipe arranged on the drainage pipe.

[0024] The negative pressure drainage device has the advantages that the drainage cylinder is installed on the mounting ring, and then the drainage cylinder is fixed on the plate or the circular pipe by the fixing mechanism, so that the drainage cylinder is prevented from being tilted when being accidentally touched. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0026] Figure 1 The overall structure of the fixing mechanism in the present application Figure 1 .

[0027] Figure 2 The overall structure of the fixing mechanism in the present application Figure 2 .

[0028] Figure 3 The structure diagram of the mounting unit in the fixing mechanism in the present application

[0029] Figure 4 The partial sectional view of the limiting unit in the fixing mechanism in the present application

[0030] Figure 5 The mounting structure diagram of the fixing assembly in the fixing mechanism in the present application Figure 1 .

[0031] Figure 6 The mounting structure diagram of the fixing assembly in the fixing mechanism in the present application Figure 2 .

[0032] Figure 7 The mounting structure diagram of the compression assembly in the fixing mechanism in the present application

[0033] Figure 8The utility model discloses a negative pressure drainage device structure diagram. DETAILED DESCRIPTION

[0034] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, easy to understand, the specific implementation of the utility model is explained in detail below with the drawings of the specification.

[0035] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0036] Secondly, the "one embodiment" or "embodiment" referred to here can include specific features, structures or characteristics in at least one implementation of the utility model. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0037] Embodiment 1

[0038] Reference Figures 1-5 For the first embodiment of the utility model, the embodiment provides a fixing mechanism, including installation unit 100, limiting unit 200 and clamping unit 300.

[0039] The installation unit 100 includes the mounting ring 101, the threaded column 102 arranged on the outer circumferential surface of the mounting ring 101, and the mounting assembly 103 threadedly matched with the threaded column 102.

[0040] The limiting unit 200 includes the sliding assembly 201 slidingly arranged on the outer circumferential surface of the mounting assembly 103, and the limiting assembly 202 arranged on the mounting assembly 103.

[0041] The clamping unit 300 includes the fixing assembly 301 arranged on the outer circumferential surface of the mounting assembly 103, the pressing assembly 302 arranged on the outer circumferential surface of the sliding assembly 201, and the telescopic assembly 303 arranged on the fixing assembly 301 and the pressing assembly 302. The pressing assembly 302 and the fixing assembly 301 are the same structure.

[0042] In use: through the installation unit 100 is set to the fixed mechanism and the need to install the device is stably connected; then through the setting of the clamping unit 300 to the plate or pipe is stably clamped, the device is stably installed as a whole; at the same time by the setting of the limiting unit 200 to the position of the compression assembly 302 is adjusted, and then the clamping unit 300 can clamp the plate of different thickness and the pipe of different diameter value; finally through the cooperation of the threaded column 102 and the mounting assembly 103 can realize the steering of the limiting unit 200 and the clamping unit 300, and the device can be installed on the plate and the pipe of different angles and different directions through the fixed mechanism.

[0043] Embodiment 2

[0044] Referring to Figures 1-7 , the second embodiment of the utility model, which is different from the first embodiment is: through the cooperation of the threaded column 102 and the internal thread sleeve 103b can stably install the object fixed by the mounting ring 101 on the fixed object of different directions.

[0045] Preferably, the mounting assembly 103, comprising the mounting column 103a connected with the compression assembly 302, and the internal thread sleeve 103b arranged in the mounting column 103a and threaded with the threaded column 102. The end of the threaded column 102 away from the mounting ring 101 is provided with a limiting circular plate, and the limiting circular plate slides and rubs the inner wall of the blind hole 103a-1, and the limiting between the limiting circular plate and the blind hole 103a-1 can avoid the separation of the threaded column 102 and the internal thread sleeve 103b.

[0046] Among them, the end of the mounting column 103a towards the mounting ring 101 is provided with a blind hole 103a-1 for mounting the internal thread sleeve 103b. The internal thread sleeve 103b is mounted in the blind hole 103a-1, and the sliding friction between the blind hole 103a-1 and the limiting circular plate can realize the limiting of the mounting column 103a itself.

[0047] Further, the sliding assembly 201, comprising the sliding cylinder 201a slidingly arranged on the outer circumferential surface of the mounting column 103a, and the limiting plate 201b arranged on the inner circumferential surface of the sliding cylinder 201a. Through the setting of the sliding cylinder 201a makes the sliding assembly 201 stably installed on the outer of the mounting column 103a, and through the setting of the limiting plate 201b and the cooperation of the limiting assembly 202 realizes the limiting effect of the sliding cylinder 201a, and the position of the compression assembly 302 is limited.

[0048] Further, the limiting assembly 202 includes a limiting rod 202a arranged at the end of the mounting column 103a away from the mounting ring 101, and a baffle 202b arranged on the limiting rod 202a. The limiting plate 201b is provided with a through hole 201b-1 for the limiting rod 202a to pass through. Through the cooperation of the limiting rod 202a and the limiting plate 201b, and the mutual compression of the baffle 202b and the limiting plate 201b, the limiting of the sliding cylinder 201a is realized.

[0049] In particular, the fixing assembly 301 includes a fixing plate 301a arranged on the mounting column 103a, an anti-skid layer 301b arranged on the fixing plate 301a, and a limiting layer 301c arranged on the fixing plate 301a. The pressing assembly 302 and the limiting layer 301c on the fixing assembly 301 are located on the end faces close to each other. The limiting layer 301c stably limits the clamped rod, so that the clamping unit 300 is more stable in mounting the device.

[0050] The fixing plate 301a is provided with a through groove 301a-1, and the end of the fixing plate 301a away from the mounting column 103a is provided with a guide surface 301a-2. Through the sliding friction of the guide surface 301a-2 and the plate or the circular pipe, the fixing plate 301a and the pressing assembly 302 can be better clamped on the plate with different thicknesses and the circular pipe with different diameters.

[0051] It is worth mentioning that the telescopic assembly 303 includes a telescopic part 303a arranged on the fixing plate 301a, and a limiting cylinder 303b arranged on the pressing assembly 302 and in sliding friction with the outer circumferential surface of the telescopic part 303a. The telescopic part 303a tensions the pressing assembly 302, so that the pressing assembly 302 clamps the plate or the circular pipe on the fixing plate 301a.

[0052] Preferably, the telescopic part 303a includes a fixed cylinder 303a-1 arranged on the fixing plate 301a, and an elastic member 303a-2 located inside the fixed cylinder 303a-1 and connected with the fixing plate 301a and the pressing assembly 302. The elastic member 303a-2 tensions the pressing assembly 302.

[0053] In use: rotate the mounting column 103a to change the angle of the mounting column 103a, the limiting unit 200 and the clamping unit 300, then adjust the distance between the fixing plate 301a and the pressing assembly 302 through the sliding friction of the guide surface 301a-2 and the plate or the circular pipe, and press the plate or the circular pipe on the fixing plate 301a by the elastic member 303a-2 driving the pressing assembly 302, so as to realize the overall fixing and mounting of the fixing mechanism.

[0054] Embodiment 3

[0055] Reference Figures 1-8 For the third embodiment of the utility model, the embodiment further provides a negative pressure drainage device, including the fixing mechanism in the above embodiment, further including a negative pressure drainage unit 400. The fixing mechanism is installed on the negative pressure drainage unit 400, so that the negative pressure drainage unit 400 is used in conjunction with the fixing mechanism.

[0056] The negative pressure drainage unit 400 includes a drainage cylinder 401 arranged on the inner circumferential surface of the mounting ring 101, a sealing assembly 402 detachably mounted on the drainage cylinder 401, and a drainage assembly 403 arranged on the sealing assembly 402. By detachable mounting of the sealing assembly 402, the drainage cylinder 401 is replaced conveniently.

[0057] Preferably, the sealing assembly 402 includes a sealing plug 402a matched and compressed with the drainage cylinder 401, a negative pressure pipe 402b arranged on the sealing plug 402a, and a liquid inlet pipe 402c arranged on the sealing plug 402a. The negative pressure pipe 402b is arranged to perform air extraction on the inside of the drainage cylinder 401, so as to create a negative pressure environment inside the drainage cylinder 401.

[0058] Further, the drainage assembly 403 includes a rubber pipe 403a sealingly connected with the liquid inlet pipe 402c, a drainage pipe 403b arranged on the end of the rubber pipe 403a away from the liquid inlet pipe 402c, and a liquid suction pipe 403c arranged on the drainage pipe 403b. The liquid suction pipe 403c is arranged to suck liquid into the drainage pipe 403b and the drainage cylinder 401, and the sealing connection of the rubber pipe 403a with the liquid inlet pipe 402c realizes sealing mounting of the drainage pipe 403b.

[0059] In use: the drainage cylinder 401 is mounted on the inner circumferential surface of the mounting ring 101, then the mounting column 103a is rotated according to the position of the plate or the circular pipe, so that the mounting column 103a drives the limiting unit 200 and the clamping unit 300 to rotate to a proper mounting angle, then the distance between the fixed plate 301a and the compression assembly 302 is adjusted through the sliding friction of the guide surface 301a-2 with the plate or the circular pipe, and the plate or the circular pipe is compressed on the fixed plate 301a by the elastic member 303a-2 and the compression assembly 302, so that the whole fixing mechanism and the negative pressure drainage unit 400 are stably mounted on the plate or the circular pipe, and the negative pressure drainage unit 400 is prevented from toppling.

[0060] It is important to note that the construction and arrangements of the application shown in the various exemplary embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications can be made to the embodiments without departing from the novel teachings and advantages of the subject matter described herein (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, locations, and the like). For example, the elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be modified or changed. Accordingly, all such modifications are intended to be included within the scope of the present inventive subject matter. The order or sequence of any process or method steps can be varied or re-sequenced without departing from the subject matter described herein. Any "means plus function" clauses are intended to cover the structures described herein as performing claimed functions and not only structural equivalents, but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present inventive subject matter. Accordingly, the present inventive subject matter is not limited to the particular embodiments described and illustrated herein, but extends to equivalents of which the foregoing describes are intended to cover.

[0061] Also, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation can not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the present inventive subject matter, or those unrelated to enabling the claimed application).

[0062] It should be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts might be complex and time-consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

[0063] It should be noted that the above-mentioned embodiments are only used to illustrate the technical solutions of the present application, not limit the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A fixing mechanism characterized by comprising: The utility model relates to a fixing mechanism, which comprises the following parts: A mounting unit (100) comprising a mounting ring (101), a threaded column (102) arranged on the outer circumferential surface of the mounting ring (101), and a mounting assembly (103) threadedly matched with the threaded column (102); A limiting unit (200) comprising a sliding assembly (201) slidingly arranged on the outer circumferential surface of the mounting assembly (103), and a limiting assembly (202) arranged on the mounting assembly (103); and A clamping unit (300) comprising a fixing assembly (301) arranged on the outer circumferential surface of the mounting assembly (103), a pressing assembly (302) arranged on the outer circumferential surface of the sliding assembly (201), and an extension assembly (303) arranged on the fixing assembly (301) and the pressing assembly (302).

2. The securing mechanism of claim 1, wherein: The mounting assembly (103) comprises a mounting column (103a) connected with the pressing assembly (302), and an internally threaded sleeve (103b) arranged in the mounting column (103a) and threadedly matched with the threaded column (102). One end of the mounting column (103a) towards the mounting ring (101) is provided with a blind hole (103a-1) for mounting the internally threaded sleeve (103b).

3. The securing mechanism of claim 2, wherein: The sliding assembly (201) comprises a sliding cylinder (201a) slidingly arranged on the outer circumferential surface of the mounting column (103a), and a limiting plate (201b) arranged on the inner circumferential surface of the sliding cylinder (201a).

4. The securing mechanism of claim 3, wherein: The limiting assembly (202) comprises a limiting rod (202a) arranged on the end of the mounting column (103a) away from the mounting ring (101), and a baffle (202b) arranged on the limiting rod (202a). The limiting plate (201b) is provided with a through hole (201b-1) for the limiting rod (202a) to pass through.

5. A securing mechanism as claimed in any one of claims 2 to 4, wherein: The fixing assembly (301) comprises a fixing plate (301a) arranged on the mounting column (103a), an anti-slip layer (301b) arranged on the fixing plate (301a), and a limiting layer (301c) arranged on the fixing plate (301a). The fixing plate (301a) is provided with a through groove (301a-1), and one end of the fixing plate (301a) away from the mounting column (103a) is provided with a guide surface (301a-2).

6. The securing mechanism of claim 5, wherein: The extension assembly (303) comprises an extension part (303a) arranged on the fixing plate (301a), and a limiting cylinder (303b) arranged on the pressing assembly (302) and slidingly frictionally matched with the outer circumferential surface of the extension part (303a).

7. The securing mechanism of claim 6, wherein: The extension part (303a) comprises a fixing cylinder (303a-1) arranged on the fixing plate (301a), and an elastic member (303a-2) arranged inside the fixing cylinder (303a-1) and connected with the fixing plate (301a) and the pressing assembly (302).

8. A negative pressure wound drainage device characterized by: The fixing mechanism according to any one of claims 1-7 further comprises The negative pressure drainage unit (400) comprises a drainage cylinder (401) arranged on the inner circumferential surface of the mounting ring (101), a sealing assembly (402) detachably mounted on the drainage cylinder (401), and a drainage assembly (403) arranged on the sealing assembly (402).

9. The negative pressure wound drainage device of claim 8, wherein: The sealing assembly (402) comprises a sealing plug (402a) matched and compressed with the drainage cylinder (401), a negative pressure pipe (402b) arranged on the sealing plug (402a), and a liquid inlet pipe (402c) arranged on the sealing plug (402a).

10. The negative pressure wound drainage device of claim 9, wherein: The drainage assembly (403) comprises a rubber pipe (403a) sealingly connected with the liquid inlet pipe (402c), a drainage pipe (403b) arranged on the rubber pipe (403a) away from the liquid inlet pipe (402c), and a liquid suction pipe (403c) arranged on the drainage pipe (403b).

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