CN-224207184-U - Rotary connecting piece and blood transfusion and infusion warmer

CN224207184UCN 224207184 UCN224207184 UCN 224207184UCN-224207184-U

Abstract

The utility model discloses a rotary connecting piece and a blood transfusion and infusion warmer, and relates to the technical field of medical equipment, wherein the rotary connecting piece is used for rotationally connecting two matched components, the rotary connecting piece comprises a mounting seat, a rotating shaft and a connecting assembly, the mounting seat is used for being mounted on one of the components, a mounting groove is formed in the left end face of the mounting seat, the mounting groove is provided with a front end wall and a rear end wall which are arranged in the front-back direction, at least one of the front end wall and the rear end wall is a first matching part, the rotating shaft is used for being mounted on the other component, the rotating shaft extends in the front-back direction and is arranged in the mounting groove, the rotating shaft is provided with a front end part and a rear end part which are arranged in the front-back direction, at least one of the front end part and the rear end part is a second matching part, and the connecting assembly comprises at least one connecting piece which is coaxially arranged with the rotating shaft and is arranged on the first matching part and is connected with the second matching part.

Inventors

QU YINXUAN
QIN YONGMING
NIU HUIFANG
ZHAO YUJUAN
Zong Ran

Assignees

深圳市好克医疗仪器股份有限公司

Dates

Publication Date: 20260508
Application Date: 20241226

Claims (10)

1. A rotational coupling for rotationally coupling two components mated with each other, comprising: The mounting seat is used for being mounted on one of the components, the left end face of the mounting seat is provided with a mounting groove, the mounting groove is provided with a front end wall and a rear end wall which are arranged along the front-back direction, and at least one of the front end wall and the rear end wall is a first matching part; A rotating shaft for mounting on another component, the rotating shaft extending in the front-rear direction and being disposed in the mounting groove, the rotating shaft having a front end portion and a rear end portion disposed in the front-rear direction, at least one of the front end portion and the rear end portion being a second engaging portion, and The connecting assembly comprises at least one connecting piece coaxially arranged with the rotating shaft, and the connecting piece is arranged on the first matching part and is connected with the second matching part.
2. The rotary connector of claim 1, wherein the front end wall or the rear end wall is used as the first mating portion, the front end portion or the rear end portion is used as the second mating portion, one of the first mating portion or the second mating portion is provided with a limiting hole, the other connector is mounted, and two connectors are respectively inserted into the two limiting holes.
3. The rotary joint according to claim 2, wherein said front end wall is provided with a first connecting hole, said first connecting hole being directed towards one of said two parts; The two connecting pieces comprise first connecting pieces which are arranged on the front end wall and are provided with second connecting holes extending along the axial direction of the first connecting pieces; The inside of pivot forms first cavity, just the preceding terminal surface of pivot seted up with the spacing hole of first cavity intercommunication, spacing hole with the second connecting hole corresponds the setting, the pivot has been seted up the third connecting hole, the third connecting hole is towards another one of two parts.
4. The rotary connector of claim 3, wherein the connecting assembly further comprises a protective sleeve, the middle part of the protective sleeve is arranged in the second connecting hole, and two ends of the protective sleeve extend into the first connecting hole and the limiting hole respectively.
5. The rotary union of claim 4, wherein the material of the protective sleeve comprises an elastomeric material.
6. The rotary joint according to claim 2, wherein a second cavity is formed in the shaft, and a through hole is formed in the rear-facing end surface of the shaft and communicates with the second cavity, the two joint members including a second joint member including: A compression elastic member arranged in the second cavity, one end of the compression elastic member propping against the cavity wall of the second cavity, and And the propping shaft is movably arranged in the second cavity along the front-back direction, one end of the propping shaft is propped against the compression elastic piece, and the other end of the propping shaft extends out of the through hole and is propped against the rear end wall.
7. The rotary connector of claim 6, wherein the rear end wall of the mounting seat is provided with a limiting hole, the abutment shaft is gradually reduced in diameter along the front-to-rear direction, an abutment section and a limiting section are sequentially formed, the abutment section abuts against the rear end wall of the mounting seat, and the limiting section is inserted into the limiting hole.
8. A blood transfusion warmer, comprising: A base provided with a power supply connecting piece; a cover body rotatably connected with the base and The rotatable connection of any one of claims 1 to 7, for rotatably connecting a mating base to a cover.
9. The device of claim 8, wherein the front end wall is provided with a first connecting hole, the first connecting hole faces one of the two parts, the two connecting pieces comprise a first connecting piece, the first connecting piece is arranged on the front end wall, and the first connecting piece extends along the axial direction of the first connecting piece, a first cavity is formed in the rotating shaft, the front end surface of the rotating shaft is provided with a limiting hole communicated with the first cavity, the limiting hole is arranged corresponding to the second connecting hole, the rotating shaft is provided with a third connecting hole, and the third connecting hole faces the other of the two parts; the blood transfusion and infusion warmer further comprises: The first circuit board is arranged on the base; A second circuit board arranged on the cover body, and And the flexible flat cable passes through the first connecting hole, the second connecting hole, the first cavity and the third connecting hole and electrically connects the first circuit board with the second circuit board.
10. The fluid infusion warmer of claim 9, wherein the connection assembly further comprises a protective sheath that is disposed over the flexible flat cable and/or, And a fixing piece for fixing the flexible flat cable is arranged at the third connecting hole.

Description

Rotary connecting piece and blood transfusion and infusion warmer Technical Field The utility model relates to the technical field of medical equipment, in particular to a rotary connecting piece and a blood transfusion and infusion warmer. Background A transfusion warmer is a medical device for heating blood or fluid to a temperature close to the body temperature during transfusion or infusion to prevent hypothermia of a patient due to cold fluid infusion. Often use hinged joint between base and the lid of blood transfusion infusion heater, specifically use the hinge to carry out hinged joint, but the assembly process of this kind of connected mode is complicated, need use the screw to fix, and the hinge after the installation exposes, and life is not long, and the speed of assembly and the life after the transfer is accomplished all receive the influence. Therefore, how to provide a convenient-to-assemble and hidden rotary connector is a technical problem to be solved by the person skilled in the art. Disclosure of utility model The utility model mainly aims at providing a rotary connecting piece and a blood transfusion and infusion warmer, and aims at providing a rotary connecting piece which is convenient to assemble and hidden. The rotary connecting piece comprises a mounting seat, a rotary shaft and a connecting component, wherein the mounting seat is used for being mounted on one component, a mounting groove is formed in the left end face of the mounting seat, the mounting groove is provided with a front end wall and a rear end wall which are arranged in the front-back direction, at least one of the front end wall and the rear end wall is a first matching part, the rotary shaft is used for being mounted on the other component, the rotary shaft extends in the front-back direction and is arranged in the mounting groove, the rotary shaft is provided with a front end part and a rear end part which are arranged in the front-back direction, at least one of the front end part and the rear end part is a second matching part, the connecting component comprises at least one connecting piece which is coaxially arranged with the rotary shaft, and the connecting piece is arranged on the first matching part and is connected with the second matching part. In an embodiment, the front end wall or the rear end wall is used as a first matching portion, the front end portion or the rear end portion is used as a second matching portion, one of the first matching portion or the second matching portion is provided with a limiting hole, the other is provided with a connecting piece, and the two connecting pieces are respectively inserted into the two limiting holes. In one embodiment, the front end wall is provided with a first connecting hole, the first connecting hole faces one of the two parts, the two connecting pieces comprise a first connecting piece, the first connecting piece is arranged on the front end wall and extends along the axial direction of the first connecting piece, a first cavity is formed in the rotating shaft, the front end face of the rotating shaft is provided with a limiting hole communicated with the first cavity, the limiting hole is arranged corresponding to the second connecting hole, the rotating shaft is provided with a third connecting hole, and the third connecting hole faces the other one of the two parts. In an embodiment, the connecting assembly further comprises a protective sleeve, the middle of the protective sleeve is arranged in the second connecting hole, and two ends of the protective sleeve extend into the first connecting hole and the limiting hole respectively. In one embodiment, the material of the protective sleeve comprises an elastomeric material. In one embodiment, a second cavity is formed in the rotating shaft, a through hole communicated with the second cavity is formed in the end face, facing backwards, of the rotating shaft, the two connecting pieces comprise second connecting pieces, each second connecting piece comprises a compression elastic piece and a propping shaft, the compression elastic pieces are arranged in the second cavity, one ends of the compression elastic pieces prop against the cavity wall of the second cavity, the propping shafts are movably arranged in the second cavity along the front-back direction, one ends of the propping shafts prop against the compression elastic pieces, and the other ends of the propping shafts extend out of the through holes and prop against the rear end wall. In an embodiment, the rear end wall of the mounting seat is provided with a limiting hole, the diameter of the propping shaft is gradually reduced along the front-to-back direction, the propping section and the limiting section are sequentially formed, the propping section is propped against the rear end wall of the mounting seat, and the limiting section is inserted into the limiting hole. The utility model further provides a blood transfusion and infusion warmer whic