CN215266916U

CN215266916U - Quick-insertion structure, plug device and magnetic resonance equipment

Info

Publication number: CN215266916U
Application number: CN202121388956.5U
Authority: CN
Inventors: 武启; 侯祥明
Original assignee: Wuhan United Imaging Life Science Instrument Co Ltd
Current assignee: Wuhan United Imaging Life Science Instrument Co Ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-21
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to a fast structure, plug device and magnetic resonance equipment of inserting. Should insert the structure soon and include: a male terminal assembly for mounting a male terminal; the female head assembly is used for installing a female head terminal, and the female head assembly can be installed on the male head assembly so that the female head terminal is connected with the male head terminal in an inserting mode; and the locking component is movably arranged on the male component and provided with a locking position and an unlocking position, the locking component is in the locking position, and the locking component can lock the female component in the male component. The female head assembly can be movably locked and unlocked relative to the male head assembly through the locking assembly, and the male head terminal and the female head terminal can be rapidly plugged and detached, so that the use is convenient.

Description

Quick-insertion structure, plug device and magnetic resonance equipment

Technical Field

The utility model relates to a grafting equipment technical field especially relates to a fast structure, plug device and magnetic resonance equipment of inserting.

Background

At present, a plurality of quick-insertion structures are realized by making mechanisms for male and female ends or by means of elastic deformation of materials. For the male and female terminals made of elastic materials, the materials of the male and female terminals are mostly magnetic and cannot be applied to the magnetic resonance use environment. Especially for animal magnetic resonance equipment, its space is limited, and needs often to install/dismantle or change the magnetic resonance coil, and present material or structure are difficult with the environmental adaptation under special environment or operating mode, and because the problem fatigue strength of material itself hardly reaches higher life-span requirement, can't realize the quick grafting of public female end, influence performance.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a quick-plugging structure, a plug device and a magnetic resonance apparatus, which can realize quick plugging and matching of a male terminal and a female terminal, in order to solve the problem that the conventional male terminal and the female terminal cannot be plugged quickly.

A quick-plug structure comprising:

a male terminal assembly for mounting a male terminal;

the female head assembly is used for installing a female head terminal, and the female head assembly can be installed on the male head assembly so that the female head terminal is connected with the male head terminal in an inserting mode; and

the locking assembly is movably arranged on the male assembly and is provided with a locking position and an unlocking position, and when the locking assembly is located at the locking position, the locking assembly can lock the female assembly in the male assembly.

In one embodiment, the locking assembly comprises an unlocking shell and a moving part, the moving part is movably arranged in the male head assembly, one end of the unlocking shell is movably arranged in the male head assembly and covers the moving part and part of the female head assembly, and the unlocking shell can reciprocate relative to the male head assembly and drives the moving part to abut against or separate from the female head assembly.

In one embodiment, the moving part comprises a swinging piece, the swinging piece is arranged on the male head assembly in a swinging mode, one end of the swinging piece can be abutted to the unlocking shell, the other end of the swinging piece can be abutted to the female head assembly, and the unlocking shell can push the swinging piece to be separated from the female head assembly when moving relative to the male head assembly.

In one embodiment, the inner wall of unblock shell has the unblock step, swinging member includes pivot, first swing arm and second swing arm, the pivot is rotatable set up in first swing arm with the second swing arm with the pivot is connected, first swing arm for the second swing arm sticks up, the tip of first swing arm can with unblock step butt, the tip of second swing arm can with female first subassembly butt.

In one embodiment, the female head assembly has a locking hole, and the swinging member further includes a locking hook disposed at an end of the second swinging arm and capable of hooking to or moving out of the locking hole.

In one embodiment, the locking assembly further comprises an elastic member and a retaining ring, the elastic member is arranged on the male head assembly, one end of the elastic member is connected with the male head assembly, and the other end of the elastic member is abutted to the retaining ring.

In one embodiment, the male connector assembly includes a mounting housing and a fixing member, the fixing member has a mounting hole penetrating therethrough, the male connector is disposed in the mounting hole and is engaged with the female connector extending into the mounting hole, and the male connector is electrically connected to a circuit board of the magnetic resonance apparatus.

In one embodiment, the mounting shell has a first limiting step and a second limiting step protruding from the inside of the mounting shell, the first limiting step and the second limiting step are spaced apart from each other along the extending direction of the male terminal, and the end of the unlocking shell is located between the first limiting step and the second limiting step and is limited by the first limiting step and the second limiting step.

In one embodiment, the outside of the unlocking shell is provided with a matching protrusion and a force application protrusion which are arranged in a protruding manner, the matching protrusion and the force application protrusion are arranged at intervals along the extending direction of the male terminal, the matching protrusion is located between the first limiting step and the second limiting step, and the second limiting step is located between the matching protrusion and the force application protrusion.

In one embodiment, the fixing component includes a first fixing seat and a second fixing seat installed in the first fixing seat, the first fixing seat and the second fixing seat are provided with the installation hole in a penetrating manner, the inner wall of the installation hole of the second fixing seat is provided with a protruding shaft shoulder, and the shaft shoulder is used for abutting against the male terminal to limit the displacement of the male terminal;

the periphery of first fixing base has the mounting groove, the mounting groove is used for the installation first spacing step.

In one embodiment, the female assembly comprises a plug seat and a plug fastener fixedly connected with the plug seat, and the female terminal is arranged in the plug seat and is connected with a cable through the plug fastener;

the second fixing seat is provided with a positioning groove, and the end part of the plug seat is installed in the positioning groove.

The utility model provides a plug device, includes public first terminal, female first terminal and as above-mentioned any technical characteristic insert the structure soon, public first terminal install in insert the public first subassembly of structure soon, female first terminal set up in insert the female first subassembly of structure soon, through the locking subassembly of inserting the structure soon realizes public first terminal with the cooperation of female first terminal.

A magnetic resonance apparatus, includes control system, magnetic resonance coil and the plug device of above-mentioned technical characteristic, the public first terminal of plug device passes through the magnetic resonance coil electricity is connected the control system, the female first terminal of plug device with the magnetic resonance coil is connected, the plug device can establish the electric connection between control system and the magnetic resonance coil.

In one embodiment, the magnetic resonance coil includes a circuit board disposed in the male component of the plug device and electrically connected to the male terminal.

In one embodiment, the magnetic resonance apparatus is an animal magnetic resonance apparatus.

After the technical scheme is adopted, the utility model discloses following technological effect has at least:

the utility model discloses a fast structure, plug device and magnetic resonance equipment of inserting installs public first terminal in the public first subassembly, installs female first terminal in the female first subassembly, and the mobile setting of locking Assembly is on public first subassembly to can move between latched position and unblock position. When the locking assembly is in a locking position, the locking assembly can lock the female head assembly on the male head assembly, so that the male head terminal and the female head terminal are accurately matched; when the locking assembly is in the unlocking position, the locking assembly unlocks the female head assembly, and the female head terminal can be moved out of the male head terminal. Female first subassembly is realized for the locking and the unblock of public first subassembly through the movable of locking Assembly, and the unable problem of pegging graft fast of public female end is effectual solved at present, realizes pegging graft fast and dismantlement, convenient to use of public first terminal and female first terminal.

Drawings

Fig. 1 is an external view schematically illustrating a quick-insertion structure according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the quick-insert configuration shown in FIG. 1, with the locking assembly in the locked position;

FIG. 3 is a schematic view of the quick-insert construction of FIG. 2 with the release housing removed;

FIG. 4 is a perspective view of the pendulum from an angle in the quick-insert configuration shown in FIG. 3;

FIG. 5 is a perspective view of the pendulum of FIG. 4 from another angle;

FIG. 6 is a partial schematic view of the quick-insert configuration shown in FIG. 2, with the locking assembly in the unlocked position.

Wherein: 100. a quick insertion structure; 110. a male component; 111. installing a shell; 1111. an upper housing; 1112. a lower housing shell; 112. a circuit board; 113. a fixing member; 1131. a first fixed seat; 11311. a base body; 11312. a convex column; 11313. blocking edges; 1132. a second fixed seat; 1133. mounting holes; 1134. a first limit step; 1135. a second limit step; 120. a female component; 121. a plug base; 1211. a locking hole; 122. a plug fastener; 130. a locking assembly; 131. unlocking the housing; 1311. a mating protrusion; 1312. a force application bulge; 1313. unlocking the step; 132. a moving part; 1321. a swinging member; 13211. a rotating shaft; 13212. a first swing arm; 13213. a second swing arm; 13214. a latch hook; 1322. an elastic member; 1323. a baffle ring; 200. a male terminal; 300. a female terminal; 400. a cable.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1-3 and 6, the present invention provides a quick-plug structure 100. This insert structure 100 soon is applied to magnetic resonance equipment's plug device in, can realize the grafting cooperation of public first terminal 200 in the plug device and female first terminal 300, improves plug efficiency, still can not influence magnetic resonance equipment's performance simultaneously, and the user of being convenient for uses. The specific structure of the quick-insertion structure 100 is described in detail below.

Referring to fig. 1-3 and 6, in one embodiment, the quick-insert structure 100 includes a male assembly 110, a female assembly 120, and a locking assembly 130. The male terminal assembly 110 is used to mount the male terminal 200. The female terminal assembly 120 is used for mounting the female terminal 300, and the female terminal assembly 120 can be mounted on the male terminal assembly 110, so that the female terminal 300 is plugged into the male terminal 200. The locking component 130 is movably disposed on the male component 110 and has a locking position and an unlocking position, and when the locking component 130 is located at the locking position, the locking component 130 can lock the female component 120 to the male component 110.

The male terminal assembly 110 is configured to mount the male terminal 200, and the male terminal 200 can be mounted in the male terminal assembly 110, so that the male terminal 200 is connected to a control system of the magnetic resonance apparatus. The female terminal assembly 120 is a structure for mounting the female terminal 300, and the female terminal 300 can be mounted in the female terminal assembly 120, and the female terminal 300 and a magnetic resonance coil of a magnetic resonance device are realized. The male component 110 is removably connected to the female component 120. When the female component 120 is installed on the male component 110, the female terminal 300 can be plugged into the male terminal 200 of the male component 110, so as to establish an electrical connection between the magnetic resonance coil and the control system, thereby forming a closed loop. When the female assembly 120 is removed from the male assembly 110 or when the male assembly 110 is removed from the female assembly 120, the female terminals 300 disengage from the male terminals 200, breaking the electrical connection between the magnetic resonance coil and the control system. Optionally, public first terminal is plug or contact pin etc. and female first terminal's structure and public first terminal looks adaptation.

In one embodiment, the male component 110 connected to the control system of the magnetic resonance apparatus can be fixed to the magnetic resonance apparatus, and the female component connected to the magnetic resonance coil can be detachably connected to the male component 110, so as to facilitate a quick plug-in fit, and facilitate the detachment/installation or replacement of the magnetic resonance coil. The female component 120 can be removed from the male component 110, and the magnetic resonance coil can be detached/installed or replaced more conveniently and flexibly, and can be adapted to magnetic resonance coils of different sizes, shapes and types.

The locking assembly 130 is used to achieve a quick-plug-fit of the male assembly 110 with the female assembly 120, and the locking assembly 130 can lock or unlock the female assembly 120 to the male assembly 110. Specifically, the locking assembly 130 has a locked position and an unlocked position, and the locking assembly 130 is movable relative to the male component 110 and between the unlocked position and the locked position. When the locking assembly 130 is in the locking position, the locking assembly 130 can contact with the female assembly 120, and can lock the female assembly 120 to the male assembly 110, so that the female terminal 300 can be reliably plugged into the male terminal 200. When the locking assembly 130 is in the unlocked position, the locking assembly 130 can unlock the female assembly 120 to the male assembly 110, and the female assembly 120 can be removed from the male assembly 110, such that the female terminal 300 is removed from the male terminal 200.

When the locking assembly 130 is in the locking position in a state where the male terminal 200 and the female terminal 300 are not connected, and it is necessary to mount the female terminal 300 to the male terminal 200, a force is applied to the locking assembly 130, so that the locking assembly 130 moves from the locking position to the unlocking position. At this time, the female terminal assembly 120 can be mounted on the male terminal assembly 110, and the female terminal 300 of the female terminal assembly 120 can be inserted into the male terminal 200, thereby completing the connection between the female terminal 300 and the male terminal 200. Subsequently, the locking assembly 130 moves from the unlocking position to the locking position, and the locking assembly 130 locks the female assembly 120 to the male assembly 110, that is, the female assembly 120 is reliably fixed on the male assembly 110 and cannot be moved out of the male assembly 110, so that the male terminal 200 and the female terminal 300 are reliably connected, and the reliability of the operation of the magnetic resonance coil and the magnetic resonance device is further ensured.

When it is desired to remove the female terminal 300 from the male terminal 200, a force is applied to the locking assembly 130 to move the locking assembly 130 from the locked position to the unlocked position. At this time, the female terminal assembly 120 can be moved out of the male terminal assembly 110, so that the female terminal 300 can be moved out of the male terminal 200, and the female terminal 300 can be disassembled.

The quick-insertion structure 100 of the above embodiment realizes locking and unlocking of the female head assembly 120 relative to the male head assembly 110 through the movement of the locking assembly 130, effectively solves the problem that the current male and female ends cannot be quickly inserted, realizes quick insertion and detachment of the male terminal 200 and the female terminal 300, facilitates detachment/installation and replacement of the magnetic resonance coil, and is convenient to use.

Referring to fig. 1 to 3 and 6, in an embodiment, the male component 110 includes a mounting housing 111, and a fixing member 113, the magnetic resonance system includes a circuit board 112, the circuit board 112 is disposed in the mounting housing 111 and electrically connected to the male terminal 200, the fixing member 113 has a mounting hole disposed therethrough, and the male terminal 200 is disposed in the mounting hole and engaged with the female terminal 300 extending into the mounting hole.

The installation shell 111 plays a protective role for protecting each part of the male assembly 110, so that the internal structure of the male assembly 110 is prevented from being touched by an operator, and the service performance of the male assembly 110 is ensured. A circuit board 112 is provided inside the mounting housing 111, the circuit board 112 being used for electrical connection with a control system of the magnetic resonance apparatus. Also, a fixing member 113 is provided in the mounting case 111, and one end of the fixing member 113 is disposed to protrude out of the mounting case 111 so as to be connected with the female connector assembly 120.

The fixing member 113 is used to mount the male terminal 200. Specifically, the fixing member 113 penetrates through a mounting hole in which the male terminal 200 is disposed, and one end of the male terminal 200 is connected to the circuit board 112 in the mounting housing 111 and the other end of the male terminal 200 is located in the mounting hole for connection with the female terminal 300. When the male terminal 200 is plugged with the female terminal 300, the female terminal assembly 120 is mounted on the fixing member 113 such that the female terminal 300 extends into the fixing hole of the fixing member 113, so that the female terminal 300 is plugged with the male terminal 200.

It is understood that the mounting housing 111 has therein a mounting plate for mounting the fixing member 113, so that the fixing member 113 is fixed in the mounting housing 111, thereby securing the position of the male terminal 200. Of course, in other embodiments of the present invention, the mounting plate may be a mounting bracket or other structure that can mount the fixing member 113.

Optionally, the mounting housing 111 includes an upper housing 1111 and a lower housing 1112, the upper housing 1111 and the lower housing 1112 are connected together to form a complete mounting cavity, and the circuit board 112 and the fixing member 113 are disposed in the mounting cavity. It is understood that the shapes of the upper casing 1111 and the lower casing 1112 are not limited in principle, as long as the circuit board 112 and the fixing member 113 can be mounted, and the interface thereof may be polygonal or circular. Alternatively, the upper housing 1111 and the lower housing 1112 are connected by screws, but may be connected by a snap or the like. Illustratively, the mounting housing 111 formed by the upper shell 1111 and the lower shell 1112 is of a cylindrical-like structure.

Referring to fig. 1 to fig. 3 and fig. 6, in an embodiment, the fixing component 113 includes a first fixing seat 1131 and a second fixing seat 1132 installed in the first fixing seat 1131, the first fixing seat 1131 and the second fixing seat 1132 are provided with a mounting hole 1133 in a penetrating manner, an inner wall of the mounting hole 1133 of the second fixing seat 1132 is provided with a protruding shoulder, and the shoulder is used for abutting against the male terminal 200 to limit the displacement of the male terminal 200.

First fixing base 1131 and second fixing base 1132 are involuntarily installed to form complete fixed part 113, and this fixed part 113 can realize the installation of public first terminal 200 to carry on spacingly to public first terminal 200's position, avoid public first terminal 200 to move towards the direction at female first terminal 300 place, guarantee that public first terminal 200 reliably fixes in fixed part 113. Specifically, the first fixing seat 1131 is installed in the installation housing 111, one end of the second fixing seat 1132 is installed in the first fixing seat 1131, and the other end of the second fixing seat 1132 extends out of the installation housing 111. The mounting hole 1133 is disposed through the first fixing seat 1131 and the second fixing seat 1132.

It is understood that the first through hole of the first fixing seat 1131 and the second through hole of the second fixing seat 1132 form a complete mounting hole 1133, as shown in fig. 2. The first through hole and the second through hole are coaxially provided, and the first through hole and the second through hole are used for mounting the male terminal 200. In order to limit the axial displacement of the male terminal 200, a radially protruding shoulder is disposed on the inner wall of the second through hole, which is the mounting hole 1133 of the second fixing seat 1132, and the shoulder can abut against the male terminal 200 to limit the axial displacement of the male terminal 200 and prevent the male terminal 200 from moving.

Referring to fig. 1 to 3 and 6, optionally, the first fixing seat 1131 includes a seat body 11311 and a boss 11312 disposed on the seat body 11311, and the second fixing seat 1132 has a matching hole therein. Second fixing base 1132 is installed behind first fixing base 1131, and on the projection 11312 was located to the cooperation escutcheon, it was accurate to guarantee that second fixing base 1132 is connected with first fixing base 1131, and then guaranteed the coaxial setting of mounting hole 1133 of first fixing base 1131 and second fixing base 1132, was convenient for install public first terminal 200. Simultaneously, the cooperation of mating holes and projection 11312 can also guarantee to be connected reliably between first fixing base 1131 and the second fixing base 1132, and then guarantees that public first terminal 200 is fixed accurate, avoids public first terminal 200's position to take place the drunkenness. Optionally, the protruding column 11312 has an external thread thereon, and the matching hole has an internal thread therein, so that the first fixing seat 1131 and the second fixing seat 1132 are fixed and reliable through thread matching.

Optionally, the first fixing seat 1131 further includes a rib 11313, the rib 11313 is disposed on the seat 11311 and is located outside the protruding pillar 11312, and a gap exists between the rib 11313 and the protruding pillar 11312, and the gap is used for installing the second fixing seat 1132. Optionally, seat 11311, rib 11313 and boss 11312 are an integral structure.

Referring to fig. 1 to 3 and 6, in an embodiment, the female assembly 120 includes a plug receptacle 121 and a plug fastener 122 fastened to the plug receptacle 121, and the female terminal 300 is disposed in the plug receptacle 121 and connected to a cable 400 through the plug fastener 122. The plug housing 121 is used to implement the mounting of the female terminal 300. The cable 400 penetrates through the plug fastener 122 to extend into and be connected with the female terminal 300, the plug fastener 122 is locked in the plug seat 121, the female terminal 300 is protected by the plug fastener 122 and the plug seat 121, and the female terminal 300 is reliably connected with the cable 400. It will be appreciated that the female terminal 300 is connected to a magnetic resonance coil of a magnetic resonance apparatus by a cable 400. Alternatively, plug fastener 122 is secured to plug housing 121 by a threaded connection.

Alternatively, the second fixing seat 1132 has a positioning groove in which an end of the plug receptacle 121 is mounted. Second fixing base 1132 has the constant head tank of sunken setting towards the tip of female first subassembly 120, and the tip protrusion of plug connector 121 sets up and forms the bulge to can install in the constant head tank, can realize female first subassembly 120 and public first subassembly 110 complex primary positioning through the cooperation of bulge and constant head tank, and then make pegging graft in public first terminal 200 that female first terminal 300 can be accurate, guarantee to peg graft accurately, improve grafting efficiency.

Referring to fig. 1 to 3 and 6, in an embodiment, the locking assembly 130 includes an unlocking housing 131 and a moving member 132, the moving member 132 is movably disposed on the male assembly 110, one end of the unlocking housing 131 is movably disposed in the male assembly 110 and covers the moving member 132 and a portion of the female assembly 120, and the unlocking housing 131 can reciprocate relative to the male assembly 110 and drives the moving member 132 to abut against or separate from the female assembly 120. Optionally, the shape of the unlocking case 131 is adapted to the shape of the mounting case 111.

One end of the unlocking case 131 is movably provided in the mounting case 111, and the unlocking case 131 is covered outside the second fixing seat 1132 and can reciprocate along the outer wall of the first fixing seat 1131. As shown in fig. 2, the inside of the unlocking housing 131 has a receiving cavity, a portion of the second fixing base 1132 extending out of the mounting housing 111 is located in the unlocking housing 131, and the moving member 132 is movably disposed at an outer wall of the second fixing base 1132, there is a space between the mounting housing 111 and the first fixing base 1131, which is used for mounting the unlocking housing 131, so that the unlocking housing 131 moves between the first fixing base 1131 and the mounting housing 111.

When the unlocking housing 131 moves relative to the first fixing seat 1131, the moving member 132 can be driven to move relative to the second fixing seat 1132, so that the moving member 132 locks or unlocks the female assembly 120. Specifically, as shown in fig. 2, when the unlocking housing 131 moves leftwards under the action of an external force, the unlocking housing 131 can move from the locking position to the unlocking position, and in this process, the unlocking housing 131 pushes the moving component 132 to move relative to the second fixing seat 1132, so that the moving component 132 is separated from the plug seat 121 of the female plug assembly 120, and the unlocking of the female plug assembly 120 is realized, at this time, the plug seat 121 can be moved out of the second fixing seat 1132, and then the female plug terminal 300 and the male plug terminal 200 are detached.

After the disassembly is completed, the unlocking housing 131 moves to the right to reset, and resets from the unlocking position to the locking position, and the unlocking housing 131 can drive the moving part 132 to reset in the process of moving to the right. When the female terminal 300 is mounted, the unlocking case 131 moves leftward by an external force, the unlocking case 131 can move from the locking position to the unlocking position, and at the same time, the unlocking case 131 drives the moving member 132 to move. At this time, the plug housing 121 may be installed in the second fixing seat 1132, so that the female terminal 300 is plugged into the male terminal 200. Subsequently, the unlocking shell 131 moves rightwards to reset, and resets to the locking position from the unlocking position, and the unlocking shell 131 moves rightwards to drive the moving part 132 to reset, and at this moment, the moving part 132 can abut against the plug socket 121, and the plug socket 121 is limited to move out of the second fixing seat 1132, so that the female terminal and the male terminal are plugged into the lock socket reliably.

Referring to fig. 1 to 3 and 6, in an embodiment, the inside of the mounting housing 111 has a first limiting step 1134 and a second limiting step 1135, which are convexly disposed, and the first limiting step 1134 and the second limiting step 1135 are disposed at intervals along the extending manner of the male terminal 200, and the end of the unlocking housing 131 is located between the first limiting step 1134 and the second limiting step 1135, and is limited by the first limiting step 1134 and the second limiting step 1135.

The mounting housing 111 is aligned with the first fixing seat 1131, and a first limit step 1134 and a second limit step 1135 are disposed inside the first fixing seat 1131. The first limiting step 1134 is used to fix the first fixing seat 1131, so that the first fixing seat 1131 is fixed in the mounting housing 111. The second limit step 1135 is located above the first fixing seat 1131, and the second limit step 1135 allows the unlocking outer shell 131 to extend into between the mounting housing 111 and the first fixing seat 1131.

In addition, the first limit step 1134 and the second limit step 1135 can also realize the limit of the unlocking case 131. First spacing step 1134 sets up with second spacing step 1135 along left and right sides direction interval, and the back is installed between installation casing 111 and first fixing base 1131 to unblock shell 131, and the tip of unblock shell 131 is located between first spacing step 1134 and the second spacing step 1135. When the unlocking housing 131 moves relative to the first fixing seat 1131, the end of the unlocking housing 131 moves between the first limit step 1134 and the second limit step 1135, and the end of the unlocking housing 131 is blocked by the first limit step 1134 and the second limit step 1135, so that the unlocking housing 131 is prevented from moving over a stroke, and the unlocking or locking of the moving component 132 by the unlocking housing 131 can be accurately ensured.

Referring to fig. 1 to 3 and 6, in an embodiment, the first fixing seat 1131 has a mounting groove at an outer periphery thereof, and the mounting groove is used for mounting the first limiting step 1134. The mounting groove is opened in the outer peripheral face of first fixing base 1131 along radial direction, and first spacing step 1134 can block in the mounting groove. The fixing of first fixing base 1131 is realized through the cooperation of mounting groove and first spacing step 1134, guarantees that first fixing base 1131 is fixed reliable. Optionally, the first limiting step 1134 may be disposed in an annular shape, or may be a plurality of protrusions, the plurality of protrusions are disposed along the circumferential direction, and the shape of the mounting groove is matched with that of the first limiting step 1134.

In an embodiment, the exterior of the unlocking housing 131 has a protruding mating protrusion 1311 and a force applying protrusion 1312, the mating protrusion 1311 and the force applying protrusion 1312 are spaced apart from each other along the extending direction of the male terminal 200, the mating protrusion 1311 is located between the first limiting step 1134 and the second limiting step 1135, and the second limiting step 1135 is located between the mating protrusion 1311 and the force applying protrusion 1312.

The end of the unlocking shell 131 located on the installation shell 111 is provided with a matching protrusion 1311, and the matching protrusion 1311 can abut against the first limit step 1134 and the second limit step 1135 of the installation shell 111, so that the position of the unlocking shell 131 is limited, and the unlocking shell 131 is prevented from running in an overtravel manner. The fitting projection 1311 and the urging projection 1312 are provided to protrude from the outer peripheral surface of the unlocking case 131, and the fitting projection 1311 and the urging projection 1312 are provided to the outer peripheral surface of the unlocking case 131 at an interval in the moving direction of the unlocking case 131.

The force applying protrusion 1312 can also facilitate the application of force, and the user can apply force to the force applying protrusion 1312 to facilitate the movement of the unlocking case 131, thereby facilitating the unlocking operation. Further, when the first limit step 1134 does not function as a limit, the position of the unlocking case 131 moving to the left side can be limited by the second limit step 1135 contacting the biasing protrusion 1312, and the displacement of the unlocking case 131 to the right side can be limited by the fitting protrusion 1311 and the first limit step 1134.

Referring to fig. 2 to 5, in an embodiment, the moving member 132 includes a swinging member 1321, the swinging member 1321 is swingably disposed on the male component 110, one end of the swinging member 1321 can abut against the unlocking case 131, the other end of the swinging member 1321 can abut against the female component 120, and the unlocking case 131 moves relative to the male component 110 to push the swinging member 1321 to disengage from the female component 120.

The second fixing seat 1132 has a fixing hole therein, and the swinging member 1321 is rotatably disposed in the fixing hole. When the locking assembly 130 is in the locking position, one end of the swinging member 1321 abuts against the inner wall of the unlocking housing 131, the other end of the swinging member 1321 abuts against the plug socket 121 of the female connector assembly 120, the plug socket 121 is locked in the second fixing seat 1132, and the female connector 300 and the male connector 200 are reliably connected.

When the locking assembly 130 is unlocked, the unlocking housing 131 is pushed leftwards to move to the unlocking position, and the unlocking housing 131 can push the swinging member 1321 to rotate, so that the swinging member 1321 is separated from the plug base 121, and at this time, the plug base 121 can be moved out of the second fixing base 1132. When the locking assembly 130 is locked, the unlocking housing 131 moves to the right side to the locking position, and the unlocking housing 131 can push the swinging member 1321 to rotate, so that the swinging member 1321 abuts against the plug and socket 121 to fix the plug and socket 121 on the second fixing seat 1132, and the plug and socket 121 is prevented from moving relative to the second fixing seat 1132.

Referring to fig. 2, in an embodiment, the inner wall of the unlocking housing 131 has an unlocking step 1313, the swinging member 1321 includes a rotating shaft 13211, a first swinging arm 13212 and a second swinging arm 13213, the rotating shaft 13211 is rotatably disposed at a connection position of the first swinging arm 13212 and the second swinging arm 13213, the first swinging arm 13212 tilts relative to the second swinging arm 13213, an end of the first swinging arm 13212 can abut against the unlocking step 1313, and an end of the second swinging arm 13213 can abut against the female head assembly 120.

An unlocking step 1313 is provided protruding from the inside of the unlocking housing 131, and the unlocking step 1313 can contact with an end of the swinging member 1321 to push the swinging member 1321 to rotate relative to the second fixing seat 1132, so that the swinging member 1321 locks or unlocks the plug socket 121. The swing member 1321 is rotatably installed in the fixing hole of the second fixing seat 1132 through a rotating shaft 13211, the first swing arm 13212 and the second swing arm 13213 are connected to the rotating shaft 13211, and the first swing arm 13212 and the second swing arm 13213 extend in opposite directions. That is, the first swing arm 13212 and the second swing arm 13213 are bent to form an integrated structure, forming a lever structure.

The first swing arm 13212 is configured to contact the unlocking step 1313 of the unlocking housing 131 to realize rotation control of the swing member 1321, and the second swing arm 13213 is configured to contact the plug base 121 to realize locking and unlocking of the plug base 121. When the unlocking housing 131 moves to the left, the unlocking housing 131 pushes the first swing arm 13212 to rotate around the rotating shaft 13211 through the unlocking step 1313, and then the first swing arm 13212 drives the second swing arm 13213 to separate from the plug socket 121 through the rotating shaft 13211, so that the plug socket 121 is unlocked. When the unlocking case 131 moves to the right, the first swing arm 13212 can rotate around the rotating shaft 13211, so that the second swing arm 13213 abuts against the plug base 121, and the plug base 121 is locked.

The swing member 1321 corresponds to a lever structure, the rotating shaft 13211 corresponds to a fulcrum of the lever structure, and the first swing arm 13212 tilts with respect to the second swing arm 13213, that is, an obtuse angle exists between the first swing arm 13212 and the second swing arm 13213. When the second swing arm 13213 is locked to the plug receptacle 121, the end of the first swing arm 13212 is tilted upward and can abut against the lock release housing 131. When the unlocking housing 131 moves toward the left side, the unlocking step 1313 can push the tilted first swing arm 13212 to move, so that the second swing arm 13213 tilts to disengage from the plug receptacle 121.

In one embodiment, the female component 120 has a locking hole 1211, and the swinging member 1321 further includes a locking hook 13214, the locking hook 13214 is disposed at an end of the second swinging arm 13213 and can hook into the locking hole 1211 or move out of the locking hole 1211. The plug receptacle 121 has a locking hole 1211 formed in its outer periphery, and the locking hole 1211 is capable of engaging with a latch hook 13214 formed at an end of the second swing arm 13213. Referring to fig. 2, when the unlocking housing 131 moves to the left, the unlocking housing 131 pushes the first swing arm 13212 to rotate around the rotating shaft 13211 by the unlocking step 1313, and the second swing arm 13213 drives the second swing arm 13213 to move by the rotating shaft 13211, so that the latch hook 13214 at the end of the second swing arm 13213 is disengaged from the latch hole 1211. When the unlocking housing 131 moves to the right, the first swing arm 13212 can rotate around the rotating shaft 13211, so that the latch hook 13214 of the second swing arm 13213 is hooked in the latch hole 1211, and the plug receptacle 121 is latched.

Referring to fig. 3, optionally, the number of the swinging members 1321 is at least one, and the fixation of the plug housing 121 is achieved by at least one swinging member 1321. Exemplarily, the number of the swinging members 1321 is four, that is, four swinging members 1321 are arranged at intervals on the periphery of the second fixing seat 1132, and the plug and socket 121 is reliably locked in the second fixing seat 1132 by the four swinging members 1321, so that the plug and socket 121 is ensured to be reliably fixed. In other embodiments of the present invention, the number of the swinging members 1321 may be one, and of course, the number of the swinging members 1321 may be two, three or more.

Referring to fig. 2 and 3, in an embodiment, the moving component 132 further includes an elastic member 1322 and a stop ring 1323 disposed on the male component 110, one end of the elastic member 1322 is connected to the male component 110, the other end of the elastic member 1322 abuts against the stop ring 1323, and an elastic force of the elastic member 1322 can push the stop ring 1323 to abut against an end of the oscillating member 1321 away from the female component 120, so that the oscillating member 1321 locks the female component 120.

The elastic member 1322 is sleeved on the outer side of the second fixing seat 1132, and one end of the elastic member 1322 is abutted against the outer periphery of the first fixing seat 1131, so as to fix one end of the elastic member 1322. The other end of the elastic member 1322 contacts the baffle ring 1323, and the baffle ring 1323 is sleeved on the outer circumference of the second fixing seat 1132 and can move along the axial direction of the second fixing seat 1132. The catch ring 1323 can compress the elastic member 1322 when moving leftward along the second fixing seat 1132. The elastic member 1322 is a compression spring, is in a compressed state, and has an elastic force expanding outward, and when the retainer ring 1323 is no longer under the external force of unlocking, the elastic force of the elastic member 1322 can push the retainer ring 1323 to move toward the right side.

And, the stopper 1323 is fixedly provided to an inner wall of the unlocking case 131, so that the stopper 1323 moves in synchronization with the unlocking case 131, and the locking and unlocking operations of the swing member 1321 are realized by the stopper 1323. Alternatively, the catch ring 1323 may move leftward in synchronization with the unlocking housing 131 by a protrusion, and when the unlocking housing 131 moves rightward, the catch ring 1323 is restored by the elastic force of the elastic member 1322. Of course, a groove may be provided on the inner wall of the unlocking case 131, and the stopper 1323 may be provided in the groove.

When the retaining ring 1323 contacts with the end of the first swing arm 13212 of the swing member 1321, the retaining ring 1323 can fix the swing member 1321, so that the latch hook 13214 is hooked in the latch hole 1211 of the plug and socket 121, and the plug and socket 121 is latched to the second fixing seat 1132. When the retainer ring 1323 is disengaged from the swinging member 1321, the swinging member 1321 is unlocked, and the swinging member 1321 can rotate relative to the second fixing seat 1132 through the rotating shaft 13211, so that the latch hook 13214 is disengaged from the latch hole 1211, and the plug socket 121 is unlocked.

Referring to fig. 1 to 3 and 6, when the locking assembly 130 is unlocked, the unlocking housing 131 is pushed to the left, and the unlocking housing 131 can drive the catch ring 1323 to compress the elastic member 1322 to move to the left (as shown in fig. 2) to move from the locking position to the unlocking position, so that the catch ring 1323 is separated from the swinging member 1321, and the swinging member 1321 is unlocked. In the process that the unlocking housing 131 moves from the locking position to the unlocking position, the unlocking housing 131 pushes the first swing arm 13212 to rotate around the rotating shaft 13211 through the unlocking step 1313, and then the first swing arm 13212 drives the locking hook 13214 at the end of the second swing arm 13213 to disengage from the locking hole 1211 of the plug base 121 through the rotating shaft 13211, so that the plug base 121 is unlocked, and the female terminal 300 can move out of the male terminal 200.

When the locking assembly 130 is locked, the unlocking housing 131 moves to the right, the elastic force of the elastic member 1322 drives the stopper 1323 to move to the right, and at this time, the unlocking housing 131 and the stopper 1323 move from the unlocking position to the locking position. In this process, the retaining ring 1323 can move to the end of the swinging member 1321 and can push the first swing arm 13212 to move, so that the first swing arm 13212 drives the second swing arm 13213 to move through the rotating shaft 13211, and further the locking hook 13214 at the end of the second swing arm 13213 is hooked in the locking hole 1211 of the plug seat 121, so as to fix the plug seat 121 in the second fixing seat 1132, and ensure that the female terminal 300 is reliably plugged in the male terminal 200.

The utility model discloses a structure 100 is inserted soon realizes through locking subassembly 130 that female head subassembly 120 has higher reliability, higher life-span, and the durability is better for the locking and the unblock of public first subassembly 110. Moreover, the swinging member 1321 has high design matching and a wide application range. In addition, one end of the quick-insertion structure 100 can meet the requirement of space adaptation to a small volume or size. Especially for animal magnetic resonance imaging devices, the imaging space is small, and the magnetic resonance coil needs to be frequently mounted/dismounted and replaced. The utility model discloses an insert structure 100 soon and be applied to animal magnetic resonance imaging device's magnetic resonance coil after, its environment suitability is high to, insert each part of structure 100 soon and do not have magnetism, applicable in the magnetic resonance environment, can not influence the accuracy of magnetic resonance equipment testing result.

The utility model provides a plug device, including male terminal 200, female terminal 300 and the structure 100 of inserting soon in the above-mentioned embodiment, male terminal 200 is installed in the male subassembly 110 of inserting structure 100 soon, and female terminal 300 sets up in the female subassembly 120 of inserting structure 100 soon, realizes the grafting cooperation of male terminal 200 and female terminal 300 through the locking subassembly 130 of inserting structure 100 soon. The utility model discloses a plug device adopts foretell quick insertion structure 100 back, can realize public first terminal 200 and female first terminal 300's quick grafting, improves plug efficiency, convenient to use.

Optionally, the number of the male terminals 200 may be one, or may be multiple, and the number of the female terminals 300 is adapted to the number of the male terminals 200. Alternatively, the shape of the male terminal 200 may be circular, polygonal, or other shapes, and the shape of the female terminal 300 is adapted to the shape of the male terminal 200.

The utility model also provides a magnetic resonance equipment, including the plug device in control system, magnetic resonance coil and above-mentioned embodiment, the public first terminal 200 of plug device is connected control system through the circuit board 112 electricity of magnetic resonance system, and the female first terminal 300 of plug device is connected with magnetic resonance coil, and the plug device can establish the electricity between control system and the magnetic resonance coil and be connected. It should be noted that the magnetic resonance system further includes the circuit board 112, and the specific connection relationship thereof has been mentioned above and is not described herein.

In an embodiment of the application the magnetic resonance apparatus is an animal magnetic resonance imaging apparatus, in particular a preclinical animal magnetic resonance imaging apparatus. The animal magnetic resonance imaging device can be almost used for tomography of any part of an animal body, and can be used for realizing research in various fields of preclinical disease research, including cancer research, cardiovascular disease research, neurological disease research, inflammatory disease research, immunology, stem cell research and the like by recording the same group of experimental objects at different time points and tracking the movement and the change of the same observation target.

The utility model discloses a magnetic resonance equipment adopts behind foretell plug device, can make magnetic resonance coil and control system form the return circuit, and the control system of being convenient for controls magnetic resonance coil, and the magnetic resonance equipment of being convenient for carries out the imaging operation to the formation of image region.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A quick-disconnect structure, comprising:

a male terminal assembly for mounting a male terminal;

2. The quick-plugging structure according to claim 1, wherein the locking assembly comprises an unlocking housing and a moving part, the moving part is movably arranged in the male assembly, one end of the unlocking housing is movably arranged in the male assembly and covers the moving part and a part of the female assembly, and the unlocking housing can reciprocate relative to the male assembly and drives the moving part to abut against or separate from the female assembly.

3. The quick-insertion structure according to claim 2, wherein the moving member comprises a swinging member, the swinging member is swingably provided to the male assembly, one end of the swinging member can abut against the unlocking housing, the other end of the swinging member can abut against the female assembly, and the unlocking housing can push the swinging member to disengage from the female assembly when moving relative to the male assembly.

4. The quick-plugging structure according to claim 3, wherein the inner wall of the unlocking housing has an unlocking step, the swinging member comprises a rotating shaft, a first swing arm and a second swing arm, the rotating shaft is rotatably arranged on the first swing arm and the second swing arm and connected with the rotating shaft, the first swing arm is tilted relative to the second swing arm, the end of the first swing arm can be abutted against the unlocking step, and the end of the second swing arm can be abutted against the female head assembly.

5. The quick-insert structure as claimed in claim 4, wherein the female head assembly has a locking hole, and the swinging member further comprises a locking hook disposed at an end of the second swinging arm and capable of hooking into or moving out of the locking hole.

6. The quick-insert structure of claim 3, wherein the locking assembly further comprises an elastic member and a retaining ring, the elastic member is disposed on the male assembly, one end of the elastic member is connected to the male assembly, and the other end of the elastic member abuts against the retaining ring.

7. The quick-insertion structure according to any one of claims 2 to 6, wherein the male connector assembly includes a mounting housing and a fixing member, the fixing member has a mounting hole provided therethrough, the male connector is provided in the mounting hole and is engaged with the female connector extending into the mounting hole, and the male connector is electrically connected to a circuit board of the magnetic resonance apparatus.

8. The quick-insertion structure according to claim 7, wherein the mounting shell has a first limiting step and a second limiting step protruding from the inside of the mounting shell, the first limiting step and the second limiting step are spaced apart from each other along an extending manner of the male terminal, and an end of the unlocking shell is located between the first limiting step and the second limiting step and is limited by the first limiting step and the second limiting step.

9. The quick-plug structure according to claim 8, wherein the unlocking housing has a protruding fitting protrusion and a protruding force application protrusion on the outside thereof, the fitting protrusion and the protruding force application protrusion are spaced apart from each other along the extending direction of the male terminal, the fitting protrusion is located between the first limiting step and the second limiting step, and the second limiting step is located between the fitting protrusion and the force application protrusion.

10. The quick-plugging structure according to claim 8, wherein the fixing member comprises a first fixing seat and a second fixing seat installed in the first fixing seat, the first fixing seat and the second fixing seat are provided with the installation hole in a penetrating manner, the inner wall of the installation hole of the second fixing seat is provided with a protruding shaft shoulder, and the shaft shoulder is used for abutting against the male terminal to limit the displacement of the male terminal;

11. The quick-connect structure of claim 10, wherein the female assembly includes a plug receptacle and a plug fastener in secure connection with the plug receptacle, the female terminal being disposed in the plug receptacle and connected to a cable by the plug fastener;

12. A plug device, comprising a male terminal, a female terminal and the quick-plug structure of any one of claims 1 to 11, wherein the male terminal is installed in a male assembly of the quick-plug structure, the female terminal is disposed in a female assembly of the quick-plug structure, and the male terminal is matched with the female terminal through a locking assembly of the quick-plug structure.

13. A magnetic resonance apparatus comprising a control system, a magnetic resonance coil, and the plug device of claim 12, wherein the male terminal of the plug device is electrically connected to the control system through the magnetic resonance coil, and the female terminal of the plug device is connected to the magnetic resonance coil, and the plug device is capable of establishing an electrical connection between the control system and the magnetic resonance coil.

14. The mrd of claim 13, wherein the mrd includes a circuit board disposed in the male header assembly of the plug arrangement and electrically connected to the male header terminals.

15. A magnetic resonance apparatus according to claim 13 or 14, characterized in that the magnetic resonance apparatus is an animal magnetic resonance apparatus.