Inflation and deflation pipeline controller for brace airbag

Abstract

A brace air bag inflation and deflation pipeline controller relates to the technical field of medical instruments, solves the technical defects that an existing brace air bag inflation and deflation pipeline controller adjusted in a knob mode is inconvenient to operate or large in size, and comprises a fixed seat and a movable seat. A sliding groove is formed in the fixed seat, and the movable seat is arranged in the sliding groove of the fixed seat. At least more than two air bag pipeline joints are arranged on the first groove wall of the sliding groove; a sealing cavity is formed in the second groove wall, opposite to the first groove wall, of the sliding groove, the sealing cavity is connected with a public pipeline connector, and more than two air holes are further formed in the sealing cavity. And an air guide channel is arranged on the movable seat. Switching control of pipelines is achieved through the movable seat and the fixed seat which are in sliding fit, the public pipeline connector can be conveniently communicated with one of the air bag pipeline connectors or all the air bag pipeline connectors can be plugged by shifting the position of the movable seat, operation is convenient and fast, and the size is small.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, and in particular to an improvement in the structure of an airbag inflation and deflation pipeline controller in various braces containing airbags. Background Art

[0002] Existing braces for supporting or correcting injured limbs or necks often use multiple airbags, and the effect of precise fitting is achieved by adjusting the inflation and deflation of each airbag. In order to achieve that one air pump can inflate multiple airbags separately, a brace airbag inflation and deflation pipeline controller is generally provided on the brace. The structure of the current brace airbag inflation and deflation pipeline controller is as follows: Figure 1 As shown in the figure, it includes a fixed seat 1', a rotating seat 2' is provided in the fixed seat 1', the fixed seat 1' is generally provided with three first joints 3' respectively connected to the three airbags, and an air pump is connected to the second joint 4'. The rotation angle of the rotating seat 2 is controlled by rotation to achieve the second joint 4' and one of the first joints 3' is connected to each other, so that the air pump inflates the airbag connected to the first joint, or opens the deflation valve connected to the second joint 4' to adjust the airbag deflation.

[0003] The existing knob-adjustable brace airbag inflation and deflation pipeline controller requires an operating handle connected to the rotating seat 2. If the operating handle is small, it is inconvenient to operate, or it needs to be adjusted with the help of tools, which requires a lot of force; if the operating handle is large, it occupies more space in the brace and has a larger volume. Utility Model Content

[0004] In summary, the purpose of the utility model is to solve the problems of the existing knob-adjustable brace airbag inflation and deflation pipeline controller, which are inconvenient to operate or have large size and technical deficiencies, and to propose a brace airbag inflation and deflation pipeline controller.

[0005] In order to solve the technical deficiencies proposed by the utility model, the technical solution adopted is:

[0006] A brace air bag inflation and deflation pipeline controller, characterized in that the controller includes a fixed seat and a movable seat; the fixed seat is provided with a slide groove, the movable seat is placed in the slide groove of the fixed seat, and the movable seat and the fixed seat are slidably matched; at least two or more air bag pipeline connectors are provided on the first groove wall of the slide groove, and each air bag pipeline connector is independently inserted in the first groove wall of the slide groove in sequence along the sliding direction of the movable seat, and the port of the air bag pipeline connector is flush with the sliding wall surface of the first groove wall; a sealing cavity is provided in the second groove wall of the slide groove opposite to the first groove wall, the sealing cavity is connected to a common pipeline connector, and the sealing cavity is also provided with more than two air holes that penetrate through the sliding wall surface of the second groove wall, and the distribution position of each air hole corresponds to the position of the port of each air bag pipeline connector one by one; the movable seat is tightly matched with the two sliding walls of the slide groove, and an air guide channel for connecting one of the air holes in the sealing cavity with the corresponding port of the air bag pipeline connector is provided on the movable seat.

[0007] The technical solutions further defining the present utility model include:

[0008] It also includes a face shell; the face shell is fixedly connected to the fixed seat and covers the movable seat; a strip groove corresponding to the movable seat is opened on the face shell, and limiting ribs are provided on the inner wall of the face shell to abut against the outer walls of the two side walls of the slide groove.

[0009] The movable seat is provided with a pulling block extending out of the outer wall of the strip-shaped groove.

[0010] Annular grooves are arranged on the two sliding wall surfaces of the slide groove at the peripheral positions of the ports and the air holes of the airbag pipeline joint, and O-shaped sealing rings are arranged in the annular grooves.

[0011] The cross section of the movable seat is a T-shaped structure, wherein the vertical portion is placed in the slide slot, the horizontal portion is slidably matched with the top of the two side walls of the slide slot, and a gear positioning structure is provided between the horizontal portion and the top of the side walls of the slide slot.

[0012] There are three airbag pipeline connectors; the gear positioning structure includes a positioning pin arranged in one of the side walls of the slide groove, and four positioning grooves arranged on the movable seat to cooperate with the positioning pin for positioning, three of which correspond to the three airbag pipeline connectors respectively, and the remaining positioning groove corresponds to the state in which the ports of all airbag pipeline connectors and all air holes are blocked by the movable seat.

[0013] A sliding limit structure is provided between the movable seat and the slide groove of the fixed seat, and the sliding limit structure comprises a sliding block and a slide groove that slide in cooperation.

[0014] A buckle is provided on the inner wall of the face shell, and a clamping seat is provided on the fixing seat. The face shell is clamped and fixed with the clamping seat on the fixing seat through the buckle.

[0015] The fixing seat comprises a bottom plate, and the first groove wall and the second groove wall which are arranged in parallel and spaced apart are fixedly connected to the bottom plate.

[0016] The airbag pipeline joint and the common pipeline joint are both L-shaped structures, and the pipeline connecting ends of the airbag pipeline joint and the common pipeline joint are both led out from the bottom surface of the fixing seat.

[0017] The beneficial effects of the utility model are as follows: the utility model realizes the switching control of the pipeline by the slidingly matched movable seat and the fixed seat, and the public pipeline joint can be easily connected with one of the airbag pipeline joints by pulling the position of the movable seat, or all the airbag pipeline joints can be blocked, which is convenient and quick to operate and has a small size. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of an existing knob-adjustable brace airbag inflation and deflation pipeline controller;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 3 This is a schematic diagram of the bottom structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the exploded structure of the utility model;

[0022] Figure 5 This is a schematic diagram of the exploded structure of the utility model from another angle. DETAILED DESCRIPTION

[0023] The structure of the present invention is further described below in conjunction with the accompanying drawings and preferred specific embodiments of the present invention.

[0024] Reference Figures 2 to 5As shown in the figure, the brace airbag inflation and deflation pipeline controller disclosed in the utility model includes a fixed seat 1 and a movable seat 2; the fixed seat 1 is provided with a slide groove 11, the movable seat 2 is placed in the slide groove 11 of the fixed seat 1, and the movable seat 2 is slidably matched with the fixed seat 1; at least two or more airbag pipeline connectors 3 are provided on the first groove wall 101 of the slide groove 11, and each airbag pipeline connector 3 is independently inserted in the first groove wall 101 of the slide groove 11 in sequence along the sliding direction of the movable seat 2, and the port of the airbag pipeline connector 3 is connected to the sliding wall surface 101 of the first groove wall 101 11 is flush; a sealed cavity is provided in the second groove wall 102 opposite to the first groove wall 101 of the slide groove 11, and the sealed cavity is connected to the common pipeline connector 4. The sealed cavity is also provided with more than two air holes that penetrate the sliding wall surface 1021 of the second groove wall 102, and the positions of the air holes are distributed in a one-to-one correspondence with the positions of the ports of the airbag pipeline connectors; the movable seat 2 is tightly matched with the two sliding walls of the slide groove 11, and an air guide channel 21 is provided on the movable seat 2 for connecting one of the air holes in the sealed cavity with the corresponding port of the airbag pipeline connector. That is, the air pump is connected to the common pipeline connector 4, and the gas provided by the air pump can enter the sealed cavity in the second groove wall 102. Then, according to the position of the air guide channel 21 of the movable seat 2, the gas enters the air guide channel 21 through one of the air holes corresponding to the air guide channel 21 and enters one of the airbag pipeline connectors 3 on the first groove wall 101. The other air holes that do not correspond to the air guide channel 21 are blocked by the side wall of the movable seat 2, and the other airbag pipeline connectors that do not correspond to the air guide channel 21 are also blocked by the side wall of the movable seat 2. After the airbag adjustment is completed, the movable seat 2 can be slid to the position where the air guide channel 21 does not correspond to any airbag pipeline connector 3 and air hole, which is equivalent to the utility model being placed in the 0 gear position.

[0025] In order to prevent the movable seat 2 from loosening and falling off from the fixed seat 1, the utility model further includes a face shell 5; the face shell 5 is fixedly connected to the fixed seat 1; the specific fixed connection scheme can be provided with a buckle on the inner wall of the face shell 5, and a snap-on seat 12 is provided on the fixed seat 1, and the face shell is snap-connected and fixed with the snap-on seat on the fixed seat through the buckle. The face shell 5 covers the movable seat 1, covering the movable seat 2 inside, and restricting the movable seat 2 to slide only along the slide groove 11 on the fixed seat 1; the face shell 5 is provided with a strip groove 51 corresponding to the movable seat 2, and the movable seat 2 can be slid through the strip groove 51; in order to better slide the movable seat 2, the movable seat 2 is provided with a pull block 22 extending from the outer wall of the strip groove 51. In order to prevent the distance between the first groove wall 101 and the second groove wall 102 constituting the slide groove 11 from expanding under the action of external force, thereby affecting the sealing between the movable seat 2 and the airbag pipeline connector 3, a limiting rib is provided on the inner wall of the face shell 5 to abut against the outer wall of the two side walls of the slide groove 11, that is, the limiting rib on the inner wall of the face shell 5 and the slide groove 11 is clamped on the outer side of the first groove wall 101 and the second groove wall 102 of the slide groove 11. Furthermore, a sliding limiting structure is provided between the movable seat 2 and the slide groove 11 of the fixed seat 1, and the sliding limiting structure includes a sliding block and a slide groove that slide together. During assembly, the movable seat 2 is inserted through one end of the slide groove 11 and is limited by the sliding block and the slide groove.

[0026] In order to further improve the sealing performance between the movable seat 2 and the airbag pipeline connector 3, an annular groove is provided on the sliding wall surface 1011 of the first groove wall 101 and at the peripheral position of the port of the airbag pipeline connector, and an O-shaped sealing ring 1012 is provided in the annular groove. Similarly, in order to further improve the sealing performance between the movable seat 2 and the common pipeline connector 4, an annular groove is provided on the sliding wall surface of the second groove wall 102 and at the peripheral position of the air hole, and an O-shaped sealing ring is provided in the annular groove.

[0027] The movable seat 2 is preferably a T-shaped structure in cross section, wherein the vertical portion is placed in the slide slot 11, the horizontal portion is slidably matched with the top of the two side walls of the slide slot, and a gear positioning structure is provided between the horizontal portion and the top of the side wall of the slide slot. When the number of the airbag pipeline connectors 3 is three; the gear positioning structure includes a positioning pin provided in one side wall of the slide slot, and four positioning grooves provided on the movable seat and positioned in cooperation with the positioning pin, wherein three positioning grooves correspond to three airbag pipeline connectors respectively, and the remaining positioning groove corresponds to the state where all ports of the airbag pipeline connectors and all air holes are blocked by the movable seat, so as to achieve a pressure-maintaining effect.

[0028] In the specific implementation process, the fixing seat 1 includes a bottom plate 10, and a first groove wall 101 and a second groove wall 102 arranged in parallel and spaced apart are fixedly connected to the bottom plate 10, so as to facilitate the production and processing of the utility model.

[0029] The airbag pipeline connector 3 and the common pipeline connector 4 are both L-shaped structures, and the pipeline connecting ends of the airbag pipeline connector 3 and the common pipeline connector 4 are both led out from the bottom surface of the fixing seat 1, which is convenient for connecting various pipelines.

Claims

1. Brace airbag inflation and deflation pipeline controller, characterized in that The controller includes a fixed seat and a movable seat; the fixed seat is provided with a slide groove, the movable seat is placed in the slide groove of the fixed seat, and the movable seat and the fixed seat are slidably matched; at least two or more air bag pipeline joints are provided on the first groove wall of the slide groove, and each air bag pipeline joint is independently inserted in the first groove wall of the slide groove in sequence along the sliding direction of the movable seat, and the port of the air bag pipeline joint is flush with the sliding wall surface of the first groove wall; a sealing cavity is provided in the second groove wall of the slide groove opposite to the first groove wall, the sealing cavity is connected to a common pipeline joint, and the sealing cavity is also provided with more than two air holes that penetrate through the sliding wall surface of the second groove wall, and the distribution position of each air hole corresponds to the position of the port of each air bag pipeline joint one by one; the movable seat is tightly matched with the two sliding walls of the slide groove, and an air guide channel for connecting one of the air holes in the sealing cavity with the corresponding port of the air bag pipeline joint is provided on the movable seat.

2. The brace airbag inflation and deflation pipeline controller according to claim 1, characterized in that: It also includes a face shell; the face shell is fixedly connected to the fixed seat and covers the movable seat; a strip groove corresponding to the movable seat is opened on the face shell, and limiting ribs are provided on the inner wall of the face shell to abut against the outer walls of the two side walls of the slide groove.

3. The brace airbag inflation and deflation pipeline controller according to claim 2, characterized in that: The movable seat is provided with a pulling block extending out of the outer wall of the strip-shaped groove.

4. The brace airbag inflation and deflation pipeline controller according to claim 1, characterized in that: Annular grooves are arranged on the two sliding wall surfaces of the slide groove at the peripheral positions of the ports and the air holes of the airbag pipeline joint, and O-shaped sealing rings are arranged in the annular grooves.

5. The brace airbag inflation and deflation pipeline controller according to claim 1, characterized in that: The cross section of the movable seat is a T-shaped structure, wherein the vertical portion is placed in the slide slot, the horizontal portion is slidably matched with the top of the two side walls of the slide slot, and a gear positioning structure is provided between the horizontal portion and the top of the side walls of the slide slot.

6. The brace airbag inflation and deflation pipeline controller according to claim 5, characterized in that: There are three airbag pipeline connectors; the gear positioning structure includes a positioning pin arranged in one of the side walls of the slide groove, and four positioning grooves arranged on the movable seat to cooperate with the positioning pin for positioning, three of which correspond to the three airbag pipeline connectors respectively, and the remaining positioning groove corresponds to the state in which the ports of all airbag pipeline connectors and all air holes are blocked by the movable seat.

7. The brace airbag inflation and deflation pipeline controller according to claim 1, characterized in that: A sliding limit structure is provided between the movable seat and the slide groove of the fixed seat, and the sliding limit structure comprises a sliding block and a slide groove that slide in cooperation.

8. The brace airbag inflation and deflation pipeline controller according to claim 2, characterized in that: A buckle is provided on the inner wall of the face shell, and a clamping seat is provided on the fixing seat. The face shell is clamped and fixed with the clamping seat on the fixing seat through the buckle.

9. The brace airbag inflation and deflation pipeline controller according to claim 1, characterized in that: The fixing seat comprises a bottom plate, and the first groove wall and the second groove wall which are arranged in parallel and spaced apart are fixedly connected to the bottom plate.

10. The brace airbag inflation and deflation pipeline controller according to claim 1, characterized in that: The airbag pipeline joint and the common pipeline joint are both L-shaped structures, and the pipeline connecting ends of the airbag pipeline joint and the common pipeline joint are both led out from the bottom surface of the fixing seat.

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