CN108324305A - A kind of locking device of CT machines and its back cover - Google Patents
A kind of locking device of CT machines and its back cover Download PDFInfo
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- CN108324305A CN108324305A CN201810002939.XA CN201810002939A CN108324305A CN 108324305 A CN108324305 A CN 108324305A CN 201810002939 A CN201810002939 A CN 201810002939A CN 108324305 A CN108324305 A CN 108324305A
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- locking
- back cover
- locking member
- slot
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/032—Transmission computed tomography [CT]
- A61B6/035—Mechanical aspects of CT
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
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Abstract
The present invention provides a kind of CT machines and its locking devices of back cover, use a kind of novel locking mode, reduce screw number, simplify operating procedure, also improve the reliability of locking.The present invention provides a kind of locking devices of CT machines back cover, include the installing frame of the inner face set on back cover, the locking member extended from left to right and the support element extended from front to back, the locking member is movably up/down installed on the installing frame, the front end of the support element is connect with the main body frame of CT machines, recess forms locking slot downwards on the top of the support element, the relatively described installing frame of the locking member is moved down and is placed in the locking slot, and locks cooperation in above-below direction with the locking slot.
Description
Technical field
The present invention relates to CT machine technical fields, more particularly to a kind of CT machines and its locking device of back cover.
Background technology
Please refer to Fig.1 a kind of structural schematic diagram of typical set-up mode of back cover that 6, Figure 16 is CT machines in the prior art.
As shown in figure 16, in the prior art, CT machines include main body frame and the back cover for being installed on the main body frame rear portion,
The top of main body frame is equipped with sliding rail, and back cover is equipped with the hook being slidably connected with sliding rail in position corresponding with sliding rail.Back cover is beaten
When opening, it can be slid in front-rear direction along sliding rail, at this point, mainly undertaking the main by weight of back cover (about by the sliding rail on top
30KG)；When installation, 2 ＇ of back cover is tightened on the pillar of main body frame using not de- 1 ＇ of screw everywhere, to realize 2 ＇ of back cover
Locking.
It is installed using not de- 1 ＇ of screw, needs to open up hole position on 2 ＇ of back cover, and disassembly process is cumbersome, is unfavorable for tearing open
Back cover is unloaded to safeguard CT machines；Especially, there is also change part, locking not caused by due to screw stripped thread by not de- 1 ＇ of screw of use
The problems such as secured.
Therefore, there is an urgent need for a kind of CT machines of design and its locking devices of back cover, to improve the reliability and convenience of locking.
Invention content
The object of the present invention is to provide a kind of CT machines and its locking devices of back cover, use a kind of novel locking side
Formula reduces screw number, simplifies operating procedure, also improves the reliability of locking.
To achieve the above object, include the inner face set on back cover the present invention provides a kind of locking device of CT machines back cover
Installing frame, the locking member extended from left to right and the support element extended from front to back, the locking member is movably up/down
It is installed on the installing frame, the front end of the support element is connect with the main body frame of CT machines, and the top of the support element is to recessed
Fall into form locking slot, the relatively described installing frame of the locking member is moved down and is placed in the locking slot, and with the locking
Slot locks cooperation in above-below direction.
The locking device of the present invention, including it is installed on the support element of main body frame, which extends from front to back, to stretch
To the direction of back cover, the locking slot that recess is formed downwards is equipped on the top of the support element；Meanwhile locking device further includes being set to
The installing frame at the back side of back cover, which is equipped with can be with respect to the locking member that the installing frame moves up and down, can when installing back cover
Locking member to be placed in the locking slot on support element top, and the locking member is limited in locking slot, with realize locking member with
The locking cooperation of locking slot in above-below direction, realizes the locking of back cover and main body frame.
Using above-mentioned locking mode, screw in the prior art can be replaced to connect completely, to reduce the number of screw
Amount；What is more important, this locking mode only need that back cover is promoted to locking member during pushing back cover forward
It is placed in the position above locking slot, you can locking member is placed in locking slot, realizes locking member and the lock of locking slot in above-below direction
Tightly, and then by support element support back cover, by back cover locking positioning without dismounting screw in main body frame, whole installation process
Equal parts, it is simple and convenient, it is particularly advantageous to improve the efficiency of the repair and maintenance to CT machines；Furthermore due to not using spiral shell
The parts such as nail are attached, and are also just reduced and are changed part caused by screw stripped thread etc., avoid causing to lock because of screw stripped thread
It is insecure, improve the reliability of locking；Especially since not using screw to be locked, installing frame is set to the back side of back cover,
Without opening up extra hole position on back cover so that back cover has good shape-retaining ability, preferably satisfies the use demand.
Optionally, the top of the support element at least part in the locking slot rear end by rear to forward direction updip
Tiltedly, to form the guide part guided at the upper port for moving to the locking slot on the locking member.
Optionally, the support element is pillar, the rear end of the pillar to be between the locking slot outer diameter by rear before
Cumulative cone segments, the cone segments are using the conical surface in top as the guide part.
Optionally, the front end of the pillar to the cylindrical section between the locking slot being equal outer diameters setting from front to back, institute
The outer diameter for stating the bigger diameter end of cone segments is equal to or less than the outer diameter of the cylindrical section.
Optionally, the locking slot is the annular groove circumferentially to extend in the support element.
Optionally, the front end of the pillar is equipped with the threaded portion being connect with the main body frame, and the cylindrical section is equipped with
The erection opening radially extended acts on the support element, by the threaded portion so that tightening piece is inserted into the erection opening
Fixation is tightened with the main body frame.
Optionally, further include locating part, for the locking member to be limited in the locking slot.
Optionally, the installing frame includes the first member plate extended from front to back and right end plate, the first member plate and the right side
End plate all has the sliding slot from top to bottom extended, and the locking member is placed between the first member plate and the right end plate, and with it
Left and right ends are slidably connected with the sliding slot respectively with end respectively.
Optionally, the locating part includes gag lever post and is wound in the torsional spring of the gag lever post, the gag lever post by it is left extremely
Right extension, and be circumferentially rotatably connected with its left end and the first member plate, right end is circumferentially rotatably connected with the right end plate；Institute
The front end for stating torsional spring is connect with the locking member, and rear end is resisted against the back cover, after the back cover supports the torsional spring upwards
End, so that the torsional spring generates the limit power for pulling the locking member downwards.
Optionally, the torsional spring includes the first branch and the second branch in front end, first branch and described the
Two branches are fixedly connected with the left and right ends of the locking member respectively, and the relatively described installing frame is solid in left and right directions for the torsional spring
It is fixed.
Optionally, further include the guiding bar extended from left to right, the left end of the guiding bar and the first member plate circumferentially may be used
Rotation connection, right end are circumferentially rotatably connected with the right end plate；The guiding bar is in the front of the locking member and is higher than
The locking member, when the back cover is offset downward, the guiding bar is moved up along the guide part, to drive the locking member to move up
To the position that can act on the guide part.
The present invention also provides a kind of CT machines, including main body frame and the back cover for being installed on the main body frame rear end, institutes
Back cover is stated with three or more tie points of the main body frame, any of the above-described institute is at least used with the tie point in top
The locking device stated is attached.
Optionally, the tie point in lower part is attached using not de- screw, and the not de- screw is installed on the master
Body frame, including sequentially connected first cylinder and the second cylinder from front to back, the outer diameter of first cylinder are more than described the
The outer diameter of two cylinders, the back cover are equipped with the connecting hole passed through for second cylinder, the connecting hole and second cylinder
Between fit clearance be greater than or equal to 5.5mm.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram of the main body frame of CT machines provided by the present invention in set-up mode；
Fig. 2 is a kind of dimensional structure diagram of the back cover of CT machines provided by the present invention in set-up mode；
Fig. 3 is close-up schematic view of the CT machines provided by the present invention at locking position；
Fig. 4 is that the support element of locking device provided by the present invention is connected to the close-up schematic view of main body frame；
Fig. 5 is the first dimensional structure diagram that support element part is removed in locking device provided by the present invention；
Fig. 6 is the second dimensional structure diagram that support element part is removed in locking device provided by the present invention；
Fig. 7 is the vertical view that support element part is removed in locking device provided by the present invention；
Fig. 8 is the dimensional structure diagram of support element in locking device provided by the present invention；
Fig. 9 is the side view that locking device provided by the present invention is in locking state；
Figure 10 is the side view that locking device provided by the present invention is in disassembly status；
Figure 11 is scheme of installation of the locking device provided by the present invention when back cover is in suitable mounting height；
Figure 12 is scheme of installation of the locking device provided by the present invention when back cover is offset downward；
Figure 13 is the close-up schematic view at the locking position that CT machines provided by the present invention are in lower part；
Figure 14 does not take off the dimensional structure diagram of screw by institute's use of the invention；
Figure 15 is the rearview of the back cover of CT machines of the present invention；
Figure 16 is a kind of structural schematic diagram of typical set-up mode of back cover of CT machines in the prior art.
In Fig. 1-Figure 15：
Back cover 1, connecting hole 11, installing frame 2, first member plate 21, right end plate 22, sliding slot 23, locking member 3, support element 4, locking
Slot 41, guide part 42, cylindrical section 43, threaded portion 44, erection opening 45, main body frame 5, locating part 6, gag lever post 61, torsional spring 62,
First branch 621, the second branch 622, guiding bar 7, not de- screw 8, the first cylinder 81, the second cylinder 82；
In Figure 16：
Not 1 ＇ of de- screw, 2 ＇ of back cover.
Specific implementation mode
The present invention provides a kind of CT machines and its locking devices of back cover, use a kind of novel locking mode, reduce
Screw number, simplifies operating procedure, also improves the reliability of locking.
Below in conjunction with attached drawing, the present invention is specifically introduced, so as to those skilled in the art accurate understanding present invention's
Technical solution.
The orientation such as upper and lower, left and right as described herein are using the normal operating condition of CT machines as reference, and CT machines are in use, with vertical
It is upper and lower directions in the direction on ground, under the direction to point vertically upwards ground is, the direction for vertically deviating from ground is upper；CT
Machine just facing towards direction be before, after the direction of back side direction is；In the horizontal plane for being parallel to ground, perpendicular to front and back
Direction is left and right directions, is seen by the front of CT machines, and the direction in left-hand side is a left side, and the direction in right-hand side is the right side.
As described herein first, second equal words are only used for the same or similar more than two components of specification configuration, Huo Zhexiang
Same or similar more than two structures, do not indicate that the particular determination to sequence.
As depicted in figs. 1 and 2, the present invention provides a kind of CT machines, including main body frame 5 and it is installed on the main body frame 5
Rear end back cover 1, back cover 1 and main body frame 5 tool can specifically include four there are three above tie point in the present embodiment
Tie point, wherein three tie points are in top, a tie point is in lower part, as shown in Figure 2；In back cover 1 and main body frame 5
Multiple tie points in, the locking device that the present invention may be used in part tie point or all tie points is attached,
In other words, at least the tie point locking device using the present invention in top is attached, in the present embodiment, in upper
Three tie points locking device connection using the present invention in portion.
Really as stated in the background art, the tie point of the CT machines of the prior art, back cover 1 and main body frame 5, which uses, does not take off screw
It is locked, exists lock the technical problems such as unreliable, mounting hole position is exposed at this time.For in the prior art the technical issues of,
The present invention provides a kind of locking devices of CT machines back cover, are connect with the locking of main body frame 5 for realizing back cover 1.
As shown in Fig. 3-Figure 12, locking device of the invention includes installing frame 2, support element 4 and locking member 3, wherein installation
Frame 2 is set to before back cover 1, and locking member 3 extends from left to right, and is installed on installing frame 2, and locking member 3 is with installing frame 2 upper and lower
There are certain freedom of motion in direction so that locking member 3 can in the up-down direction be moved relative to installing frame 2, i.e. locking member 3
Movably up/down it is installed on installing frame 2；Support element 4 extends from front to back, and its front end is connect with main body frame 5, by it is preceding extremely
Locking member 3 is stretched to afterwards, and recess forms locking slot 41 downwards on the top of support element 4, and locking member 3 is moved down with respect to installing frame 2
And be placed in locking slot 41, and lock cooperation in above-below direction with the locking slot 41.
The locking device of the present invention, include set on 1 back side of back cover installing frame 2 and be installed on the support element of main body frame 5
4, installing frame 2 is connected with locking member 3, and locking member 3 locks cooperation in above-below direction with support element 4, and then realizes back cover 1 and master
The connection of body frame 5.With in the prior art in such a way that not de- screw is locked compared with, the present invention passes through 3 He of locking member
Support element 4 realizes the locking positioning of back cover 1, while equipped with the installing frame 2 for installation locking part 3, then will by installing frame 2
Locking member 3 is installed on the back side of back cover 1, without back cover 1 open up hole position so that back cover 1 preferably possess original structure and
Shape.
Also, for the back cover 1 installed using not de- screw, needs to open up hole position on back cover 1, be particularly in
The hole position on 1 top of back cover is at the more apparent position of CT machines, as shown in figure 16；It, can be with however, locking device using the present invention
Locking member 3 and installing frame 2 etc. are hidden in inside CT machines, realize " concealed " installation, as shown in figure 15.
When installation, back cover 1 is pushed forward so that the drive locking member 3 of back cover 1 is placed in the surface of locking slot 41, at this point, after
Cover 1 sinks, and locking member 3 is placed in locking slot 41, and then by 4 support back cover 1 of support element, under the Gravitative Loads of back cover 1,
Locking member 3 is pressed in locking slot 41, realizes locking member 3 and the locking of support element 4 in above-below direction, so by back cover 1 with
About 5 locking positioning of main body frame.When dismounting, back cover 1 is lifted upwards, you can the locking of contact locking member 3 and support element 4, so
After pull back back cover 1, back cover 1 is removed from main body frame 5.
As it can be seen that in the prior art in such a way that not de- screw is positioned compared with, locking device using the present invention,
The installation and removal that back cover 1 can be realized without dismounting screw, simplify operating procedure, largely improve operation just
Victory and operating efficiency are particularly advantageous to realize the timely maintenance and maintenance to CT machines.
Furthermore due to carrying out locking positioning using locking member 3 and support element 4, in the prior art using de- screw 8 into
Row positioning is compared, will not be because of the reliability that the influences such as screw stripped thread, damage are locked, and this mode can be by locking member 3 securely
Limit, to ensure that the reliable lock of back cover 1, avoids back cover 1 from falling in locking slot 41.
In addition, back cover 1 is positioned with the locking device of main body frame 5 in the up-down direction through the invention, when back cover 1
When being installed on main body frame 5, the edge of back cover 1 is clamped in main body frame 5, and then realizes back cover 1 in left and right with before by clamping
Positioning in rear direction.
As shown in figure 3, installing frame 2 can be generally U-shaped, with the two side support locking member 3 in the U-shaped structure, and with
Locking member 3 moves connection in the up-down direction；The bottom plate of the U-shaped structure is bonded as connecting plate with back cover 1, and can be led to
The connectors such as screw, rivet, pin are crossed to connect installing frame 2 with back cover 1.
Wherein, in the installing frame 2 of U-shaped structure, the floor structure being bonded with back cover 1 can from top to bottom extend, for branch
The two side of support locking member 3 can extend from front to back, also, the size of this two side in above-below direction can be less than bottom plate knot
The position in floor structure close to lower part can be specifically arranged, as shown in Figure 3 in two side by the size of structure in above-below direction.
It is understood that since back cover 1 includes inner panel and outside plate, and there is gap between inner panel and outside plate, installation
Frame 2 is connect with inner panel, then, even if being attached these connectors using connectors such as screws between installing frame 2 and inner panel
It will not highlight in outside plate, that is, realize that the connector that installing frame 2 connects is hidden in back cover 1, be not exposed to the outer of back cover 1
Plate.After installation is complete for back cover 1 and main body frame 5, in external observation, those skilled in the art can't see the connection of installing frame 2
Point.
As shown in figure 4, the rear end of support element 4 can be threaded the connection positions such as hole, then support element 4 is threadedly connected to
Main body frame 5.Those skilled in the art can be arranged as required to support element 4 in length in the front-back direction, if processing or
Location tolerance is larger, the smaller support element 4 of front-rear direction size may be used, then by the rear end of support element 4 and main body
The form for increasing and decreasing gasket between frame 5 adjusts support element 4 with locking member 3 in relative position in the front-back direction, finally by locking member 3
It is placed in the surface of the locking slot 41 of support element 4, realizes locking positioning.
As shown in Figure 5-Figure 7, installing frame 2 may include first member plate 21 and right end plate 22, and first member plate 21 and right end plate 22 are equal
It can extend from front to back, and the sliding slot 23 from top to bottom extended can be set；Locking member 3 can specifically be connected to first member plate
Between 21 and right end plate 22, the left end of locking member 3 is corresponding with the sliding slot 23 of first member plate 21, which is slidably connected at first member plate
In 21 sliding slot 23, it can be moved up and down along the sliding slot 23；The right end of locking member 3 is corresponding with right end plate 22, and right end sliding connects
It is connected in the sliding slot 23 of right end plate 22, and can be moved up and down along the sliding slot 23.In this way, can be removable by about 3 locking member
Ground is connected to installing frame 2.
As described above, installing frame 2 can be generally U-shaped, at this point, the two side in U-shaped structure is respectively formed first member plate 21
With right end plate 22, first member plate 21 and right end plate 22 are oppositely arranged, and locking member 3 is placed between the two.
Locking member 3 can be moved up and down along first member plate 21 and the sliding slot of right end plate 22 23, then the size up and down of locking member 3 is small
In the size up and down of sliding slot 23, also, locking member 3 has gap in the longitudinal direction with sliding slot 23, upper in order to locking member 3
Lower movement.
As described above, when back cover 1 is installed, realized to locking member 3 and support element 4 in upper and lower by the dead weight of back cover 1
To locking positioning.Correspondingly, when dismantling back cover 1, back cover 1 can be lifted upwards, and then locking member 3 is driven to move up and be detached from lock
Tight slot 41 releases locking member 3 and coordinates with the locking of locking slot 41 in above-below direction, then pulls back back cover 1 so that locking member
The region that locking slot 41 is removed after 3, further pulls back back cover 1 so that and back cover 1 is completely disengaged with main body frame 5 and is contacted,
And then be exposed to main body frame 5 outside, it is convenient that the component installed on main body frame 5 is overhauled and safeguarded.
The size of sliding slot 23 can be arranged in those skilled in the art according to the installation and removal demand of above-mentioned back cover 1, upper
Lower section is upward, and the size of sliding slot 23 will disclosure satisfy that locking member 3 moves upward out the requirement of locking slot 41, be locked when also taking into account installation
Tight part 3 is to the reliable lock for being lowered into locking slot 41；In the longitudinal direction, gap is formed between locking member 3 and sliding slot 23 to match
It closes, avoids influencing the movement of locking member 3 in above-below direction.
To further increase the reliability of positioning of locking member 3 and locking slot 41, the present invention can also include locating part 6, use
It is limited in locking slot 41 in by locking member 3.
As shown in Figure 6 and Figure 7, locating part 6 of the invention specifically includes gag lever post 61 and the torsional spring for being wound in gag lever post 61
62, gag lever post 61 extends from left to right, also, the left end of gag lever post 61 and first member plate 21 are rotatably connected circumferentially, right end with
Right end plate 22 is circumferential to be rotatably connected；The front end of torsional spring 62 is connect with locking member 3, and rear end is resisted against back cover 1, specifically can be against
In the floor structure of installing frame 2, and the floor structure of installing frame 2 is fitted and connected with back cover 1, then torsional spring 62 is by installing frame 2
It is resisted against back cover 1.At this point, back cover 1 supports the rear end of torsional spring 62 upwards so that torsional spring 62 is generated around gag lever post 61 by rear to forward direction
Circular torsion down, under the action of the torsion, torsional spring 62 pulls downward on the locking member 3 for being connected to its front end, i.e. torsional spring 62 produces
The limit power of the raw locking member 3 of drawing downwards prevents locking member 3 from moving upward out locking slot by the limit of locking member 3 in locking slot 41
41。
On the one hand, the rear end of torsional spring 62 is carried directly against back cover 1 without opening up corresponding connection hole position in back cover 1
High dismounting convenience, also simplifies mounting structure.On the other hand, the front end of torsional spring 62 is connect with locking member 3, the torsion of torsional spring 62
Locking member 3 can be not only limited in locking slot 41 by power, additionally it is possible to locking member 3 be allowed to be moved up along guide part 42；Specifically
For, when locking member 3 does not enter in locking slot 41, this structure type imparts the movement of locking member 3 in above-below direction certainly
By spending so that locking member 3 can be moved upwards up to the surface of locking slot 41 along guide part 42, and then smoothly enter locking slot
In 41.Furthermore when locking member 3 moves forward and up along guide part 42, the front end of torsional spring 62 connected to it can be driven upward
Movement, and then gag lever post 61 is driven to be rotated up from front to back so that the rear end of torsional spring 62 compresses downwards back cover 1, torsional spring 62 into
The torsional deflection of one step；When locking member 3 moves to along guide part 42 surface of locking slot 41, and it is placed in locking slot 41 downwards
When, the rear end of torsional spring 62 generates so that gag lever post 61 is by the rear restoring force extremely before rotated down, and then drives gag lever post 61 downward
Movement, and torsional spring 62 is driven to rotate, the front end of torsional spring 62 also pulls locking member 3 correspondingly downwards, and locking member 3 is preferably limited
In in locking slot 41.Also, after back cover 1 is dismantled, torsional spring 62 can also drive 3 return of locking member.
At the same time, since torsional spring 62 is securely wound in gag lever post 61 so that torsional spring 62 is with gag lever post 61 in right and left
To position fix, and gag lever post 61 is relatively fixed in the lateral direction with installing frame 2, the front end of torsional spring 62 is solid with locking member 3
Fixed connection, then torsional spring 62 is relatively fixed in the lateral direction with locking member 3, and therefore, the setting of torsional spring 62 and gag lever post 61 may be used also
It is positioned with the left and right directions to locking member 3, prevents locking member 3 with respect to the side-to-side movement of installing frame 2, avoid locking member 3 de-
From installing frame 2, and then limit the left and right position of locking member 3.
As shown in Figure 6 and Figure 7, torsional spring 62 includes the first branch 621 and the second branch 622 in front end, the first branch
621 and second branch 622 be respectively at the left and right ends of locking member 3, wherein the first branch 621 can be with the left end of locking member 3
It is fixedly connected, the second branch 622 can be fixedly connected with the right end of locking member 3, also, torsional spring 62 is securely wound in gag lever post
61, gag lever post 61 is relatively fixed in left and right directions with installing frame 2, then torsional spring 62 is relatively fixed in left and right directions with installing frame 2, such as
This, realizes locking member 3 and the fixation of installing frame 2 in left and right directions.
Using this structure type, torsional spring 62 is with the first branch 621 and the second branch 622 from left and right ends to locking member 3
Support is carried out, the support to locking member 3 and position stability are improved；Also, since torsional spring 62 is with the first branch 621 and second
Branch 622 is connected to the left and right ends of locking member 3, and the first branch 621 and the second branch 622, can be with barriers by rear to preceding extension
In the left and right ends of locking member 3, and then prevent locking member 3 from being skidded off outward by first member plate 21 and the sliding slot of right end plate 22 23.
Torsional spring 62 is specifically as follows two dual-arm torsion springs and connects the combination spring to be formed, and one of dual-arm torsion spring is in a left side
Side, another dual-arm torsion spring are in right side, and the preceding end arms of the dual-arm torsion spring in left side forms first branch 621, pair on right side
The preceding end arms of arm torsional spring forms second branch 622, and the dual-arm torsion spring of the left and right sides is connected as one with the rear end arms of the two,
To be resisted against the floor structure of installing frame 2.
As shown in Figure 5 and Figure 6, locking member 3 is specifically as follows sliding block, which can extend from left to right, is substantially in a left side
The strip and block that right direction extends, such as rectangular-shape；Correspondingly, sliding slot 23 can be the bar-shaped trough that extends up and down, such as rectangular slot,
And the both ends of locking member 3 can in above-below direction be slided along sliding slot 23.
As shown in figure 8, the top of support element 4 may be at least part of 41 rear end of locking slot by rear to forward direction updip
Tiltedly, to form the guide part 42 that moves up of guiding locking member 3, when installation, push back cover 1 forward, locking member 3 first in locking
The guide part 42 of 41 rear end of slot contacts, and during back cover 1 pushes forward, locking member 3 moves forward upwards along guide part 42；
With the Forward of back cover 1, locking member 3 also moves forward therewith, finally moves to and is in same position in the front-back direction with locking slot 41,
At this point, locking member 3 is exactly in the surface of locking slot 41, the lifting to back cover 1 is released, under the gravity of back cover 1, lock
Tight part 3 is moved downwardly into locking slot 41, and locking positioning is in the locking slot 41.
Support element 4 is specifically as follows pillar, and the front end of the pillar is connect with main body frame 5, the rear end of pillar forward until
Region between locking slot 41 could be provided as cone segments, and the outer diameter of the cone segments is by rear to preceding cumulative, at this point, cone segments are in
The guide part 42 that the conical surface of top is moved as guiding locking member 3 towards locking slot 41.
It will be understood by those skilled in the art that since locking member 3 is from top to bottom placed in locking slot 41, and locking slot 41 is
Be recessed downwards by the top of support element 4 and to be formed, therefore, it is necessary to be arranged guide part 42 by locking member 3 stably and reliably guide to
Locking slot 41.For the guiding for realizing to locking member 3, support element 4 at least will be set as guide part 42 with the part of upper part, with
The guide part 42 is enable to form guiding cooperation with locking member 3.But guide part 42 is not limited to one of 4 top of support element
Point, support element 4 even can be using its entire superstructure as guide part 42, to improve the reliability being oriented to.Specific to this implementation
In example, the top of support element 4 specifically can using the central axes of support element 4 as reference, with cross support element 4 central axes horizontal plane with
On part be defined as the top of support element 4.That is, support element 4 can be using half of conical surface of upper part as guide part 42.
For ease of processing, the rear end of support element 4 to the region between locking slot 41 is processed as cone segments in the present embodiment.Also,
Use this overall processing for the structure type of cone segments, compared with top is only processed as the conical surface, cone segments circumferentially around
The structure in direction is identical, regardless of support element 4 rotates, does not affect guide part 42 in circumferential position；In other words, it props up
Support member 4 using be threadedly coupled by the way of be installed on main body frame 5 after, in top the conical surface can directly as guide part 42,
It is adjusted without the circumferential position to support element 4, improves install convenient.
When support element 4 is set as pillar, locking slot 41 is specifically as follows the circumferential direction in support element 4 and extends circular annular
Slot.It is on the one hand easy to process using the structure type of annular groove, on the other hand, since support element 4 and main body frame 5 use spiral shell
Line connects, and support element 4 exists when mounted to rotate in a circumferential direction, and this annular groove makes the rotation of support element 4 is installed not interfere with lock
The circumferential position of tight slot 41, improves install convenient；Furthermore locking member 3 extends from left to right, and the setting of annular groove can be kept away
Exempt to generate interference in the lateral direction with locking member 3.
The front end of support element 4 is to the cylindrical section 43 that between locking slot 41 can be equal outer diameters setting from front to back, cone segments
Outer diameter by rear to preceding cumulative, then the front end of cone segments is bigger diameter end, and rear end is miner diameter end, at this point, the bigger diameter end of cone segments
Outer diameter can be equal to or slightly less than the outer diameter of cylindrical section 43.In this way, cylindrical section 43 is in the front end of locking slot 41, at cone segments
In the rear end of locking slot 41, the preceding cell wall of the rear end face of cylindrical section 43 as locking slot 41, the front end face of cone segments is as locking
The rear cell wall of slot 41, when the outer diameter of the bigger diameter end of cone segments is slightly less than the outer diameter of cylindrical section 43, the preceding slot of corresponding locking slot 41
The slightly above rear cell wall of wall；Wherein, the conical surface above cone segments is as guide part 42, that is to say, that locking member 3 is by locking slot 41
Rear enters, then, the slightly lower rear cell wall of height can be convenient for the entrance of locking member 3, and the height of preceding cell wall is more than rear cell wall,
Also it can ensure the limit to locking member 3；When the outer diameter of the bigger diameter end of cone segments is equal to the outer diameter of cylindrical section 43, corresponding locking
The preceding cell wall of slot 41 is with rear cell wall with height, then the rear and front end of locking member 3 can obtain reliable location, also, this field skill
Art personnel can directly be processed on the basis of cylinder one circumferentially around groove as locking slot 41, then in cylinder
The rear end of body processes cone segments, that is to say, that the cylinder as processing basis is simplified without carrying out reducing processing
Procedure of processing improves processing efficiency.
It should be noted that when the outer diameter of the bigger diameter end of cone segments is slightly less than the outer diameter of cylindrical section 43, need difference
Control the constraint be subject to ensure to locking member 3 in the reasonable scope, that is to say, that the outer diameter and lock of the bigger diameter end of cone segments
The depth of tight slot 41 is related, and the setting of outer diameter will make locking slot 41 have enough depth, and locking member 3 is contained in locking slot
In 41.
To realize the connection of support element 4 and main body frame 5, spiral shell can be arranged in its front end by being set as the support element 4 of pillar
Line portion 44, for being connect with main body frame 5；The erection opening 45 radially extended can also be set in cylindrical section 43, which uses
Hole 45 can extend radially through cylindrical section 43, can also be in the blind hole for radially extending certain distance, which is used for
The tightening pieces such as spanner are inserted into tighten the threaded portion 44 of support element 4 to act on support element 4 and be fixed on main body frame 5.
As shown in figure 9, locking device using the present invention, is fixedly mounted 2 He of frame respectively on back cover 1 and main body frame 5
Support element 4, when back cover 1 pushes main body to along sliding rail (as stated in the background art, main body frame 5 is equipped with the sliding rail coordinated with back cover 1)
When frame 5, torsional spring 62 drives locking member 3 to move up and slid into locking slot 41 along the guide part 42 of support element 4, certainly using back cover 1
The weight of body makes back cover 1 that can not move up, to which locking member 3 to be limited in locking slot 41.
As shown in Figure 10, dismantle back cover 1 when, praised upwards respectively from the left and right sides of 1 bottom of back cover, by locking member 3 from
It is detached from the locking slot 41 of support element 4, back cover 1 is then pulled backward, to realize the dismounting of back cover 1.
As shown in figure 11, when installation, locking member 3 will be moved up along the guide part 42 of support element 4, it is necessary to be in and cone segments
The corresponding region of the top conical surface, at this time can be by smoothly being installed under the guiding for the guide part 42 that the conical surface is formed；Such as
Shown in Figure 12, when sliding rail pulls out, when back cover 1 is in cantilever position, position is offset downward, at this point, locking member 3 is detached from support element
The 4 top conical surface, is not correspond to the region where the conical surface in other words, after locking member 3 is with its front end face face support element 4
End face, locking member 3 collide in the longitudinal direction with support element 4, and can not be well on installation.
For the situation shown in above-mentioned Figure 12, guiding bar 7 can also be arranged in the present invention, which extends from left to right,
The left end of guiding bar 7 is circumferentially rotatably connected with first member plate 21, and right end is circumferentially rotatably connected with right end plate 22, also, guides
Bar 7 is in the front of locking member 3 and is higher than locking member 3；When back cover 1 is offset downward, installing frame 2 is with guiding bar 7 and guide part
42 contacts so that guiding bar 7 is moved up along guide part 42 first, and then installing frame 2 and back cover 1 is driven to move up, to correct
The upper and lower position of back cover 1 drives and moves to the position that can be in contact with guide part 42 on locking member 3 so that locking member 3 can be made
It is moved in locking slot 41 for guide part 42, and then along guide part 42.
The guiding bar 7 is specifically as follows M8 screws, is used for correct position deviation caused by back cover 1 is offset downward.When after
When cover 1 is offset downward, the M8 screws as guiding bar 7 are moved up along the guide part 42 of support element 4 first, and the weight of back cover 1 is held
Load, and position is corrected upwards.
As shown in Figure 13 and Figure 14, CT machines of the invention, back cover 1 are in lower part with multiple tie points of main body frame 5
Tie point screw 8 cannot not may be used de-ly be attached.It can will not specifically take off screw 8 and be installed on main body frame 5, this does not take off spiral shell
Nail 8 may include 81 and second cylinder 82 of sequentially connected first cylinder from front to back, wherein the outer diameter of the first cylinder 81 is more than
The outer diameter of second cylinder 82, back cover 1 are equipped with the connecting hole 11 passed through for the second cylinder 82, the connecting hole 11 and the second cylinder 82 it
Between fit clearance be greater than or equal to 5.5mm.
To realize the installation for not taking off screw 8, does not take off screw 8 and use reducing to be arranged in the longitudinal direction, including one section of outer diameter
The first larger cylinder 81 and smaller the second cylinder 82 of one section of outer diameter, the second cylinder 82 are inserted into the connecting hole 11 of back cover 1
It is interior, realize that the connection with back cover 1, the front end of the first cylinder 81 may be used the modes such as threaded connection and be connected to main body frame 5.
It should be noted that support element 4 is mounted on main body frame 5, position is corresponding with locking member 3, and back cover 1 is used as can
Component is dismantled, main body frame 5 is exactly fixed component, is the dependence of the installation positioning of back cover 1.At the three of 5 top of main body frame installation
The length of support element 4, will meet the installation requirements of back cover 1, while ensureing can be with the upper cover of main body frame 5 after back cover 1 is installed
It is bonded with lower cover, therefore, the length of support element 4 needs clearly to be calculated.When the machining tolerance of back cover 1 or main body frame 5 is big
When, it can suitably shorten the length of support element 4, the position of support element 4 in the longitudinal direction is adjusted by the mode for increasing gasket
It sets.
In support element 4, the width of locking slot 41 is wider than locking member 3, ensures that locking member 3 can smoothly slide；Locking
The depth of slot 41 could be provided as 5.5mm, it is contemplated that the height that 1 centre bore of back cover can be lifted by main body frame 5 centre bore
Limitation, meanwhile, locking member 3 cannot the at will abjection out of locking slot 41, after considering, the depth of locking slot 41 is determined as
5.5mm。
At this point, needing to be lifted 5.5mm due to removing back cover 1, i.e., locking slot 41 will be removed on locking member 3, so needing
By the reduced diameter 11mm of the rear end of the not de- screw 8 used at low connection point, screw 8 is not taken off when ensureing that back cover 1 is lifted
Do not interfere with the connecting hole 11 of back cover 1.
It should be noted that it is complex in view of the structure of CT machines, only the locking device of its back cover is said herein
Bright, the other structures of CT machines please herein will not enumerate with reference to the prior art.
The locking device of CT machines provided by the present invention and its back cover is described in detail above.Tool used herein
Principle and implementation of the present invention are described for body example, and the explanation of above example is only intended to help to understand this hair
Bright core concept.It should be pointed out that for those skilled in the art, before not departing from the principle of the invention
It puts, can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the guarantor of the claims in the present invention
It protects in range.
Claims (13)
1. a kind of locking device of CT machines back cover, which is characterized in that installing frame (2) including the back side for being set to back cover (1), by a left side
The extremely locking member (3) of right extension and the support element (4) extended from front to back, the locking member (3) is movably up/down installed
In the installing frame (2), the front end of the support element (4) is connect with the main body frame (5) of CT machines, the support element (4) it is upper
Recess forms locking slot (41) downwards in portion, and the relatively described installing frame (2) of the locking member (3) moves downward and is placed in the locking
In slot (41), and lock cooperation in above-below direction with the locking slot (41).
2. locking device as described in claim 1, which is characterized in that the top of the support element (4) is to be in the locking
At least part of slot (41) rear end, to tilting on forward direction, the locking is moved to be formed to guide by rear on the locking member (3)
Guide part (42) at the upper port of slot (41).
3. locking device as claimed in claim 2, which is characterized in that the support element (4) is pillar, the rear end of the pillar
To being outer diameter between the locking slot (41) by rear to preceding cumulative cone segments, the cone segments using the conical surface in top as
The guide part (42).
4. locking device as claimed in claim 3, which is characterized in that the front end of the pillar is between the locking slot (41)
For the cylindrical section (43) of equal outer diameters setting from front to back, the outer diameter of the bigger diameter end of the cone segments is equal to or less than the cylindrical section
(43) outer diameter.
5. locking device as claimed in claim 3, which is characterized in that the locking slot (41) is in the support element (4)
The annular groove circumferentially to extend.
6. locking device as claimed in claim 3, which is characterized in that the front end of the pillar is equipped with and the main body frame
(5) threaded portion (44) of connection, the cylindrical section (43) are equipped with the erection opening (45) radially extended, so that tightening piece is inserted into
The erection opening (45) and act on the support element (4), the threaded portion (44) and the main body frame (5) are tightened solid
It is fixed.
7. such as claim 2-6 any one of them locking devices, which is characterized in that further include locating part (6), being used for will be described
Locking member (3) is limited in the locking slot (41).
8. locking device as claimed in claim 7, which is characterized in that the installing frame (2) includes the left side extended from front to back
End plate (21) and right end plate (22), the first member plate (21) and the right end plate (22) all have the sliding slot from top to bottom extended
(23), the locking member (3) is placed between the first member plate (21) and the right end plate (22), and with its left and right ends respectively with
Respectively the sliding slot (23) with end is slidably connected.
9. locking device as claimed in claim 8, which is characterized in that the locating part (6) includes gag lever post (61) and winding
Torsional spring (62) in the gag lever post (61), the gag lever post (61) extend from left to right, and with its left end and the first member plate
(21) circumferential to be rotatably connected, right end is circumferentially rotatably connected with the right end plate (22)；The front end of the torsional spring (62) and institute
Locking member (3) connection is stated, rear end is resisted against the back cover (1), and the back cover (1) supports the rear end of the torsional spring (62) upwards,
So that the torsional spring (62) generates the limit power for pulling the locking member (3) downwards.
10. locking device as claimed in claim 9, which is characterized in that the torsional spring (62) includes first point in front end
Branch (621) and the second branch (622), first branch (621) and second branch (622) respectively with the locking member
(3) left and right ends are fixedly connected, and the relatively described installing frame (2) is fixed in left and right directions for the torsional spring (62).
11. locking device as claimed in claim 8, which is characterized in that further include the guiding bar (7) extended from left to right, institute
The left end for stating guiding bar (7) is circumferentially rotatably connected with the first member plate (21), and right end can circumferentially turn with the right end plate (22)
Dynamic connection；The guiding bar (7) be in the front of the locking member (3) and be higher than the locking member (3), the back cover (1) to
When lower offset, the guiding bar (7) moves up along the guide part (42), moves to and can act on the locking member (3) to drive
Position in the guide part (42).
12. a kind of CT machines, including main body frame (5) and the back cover (1) for being installed on the main body frame (5) rear end, feature exists
In the back cover (1) is at least used with the tie point in top with three or more tie points of the main body frame (5)
The claims 1-11 any one of them locking devices are attached.
13. CT machines as claimed in claim 12, which is characterized in that the tie point in lower part is carried out using not de- screw (8)
Connection, the not de- screw (8) are installed on the main body frame (5), including sequentially connected first cylinder (81) from front to back
With the second cylinder (82), the outer diameter of first cylinder (81) is more than the outer diameter of second cylinder (82), and the back cover (1) sets
There are the connecting hole (11) passed through for second cylinder (82), matching between the connecting hole (11) and second cylinder (82)
It closes gap and is greater than or equal to 5.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810002939.XA CN108324305B (en) | 2018-01-02 | 2018-01-02 | CT machine and locking device of rear cover thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810002939.XA CN108324305B (en) | 2018-01-02 | 2018-01-02 | CT machine and locking device of rear cover thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108324305A true CN108324305A (en) | 2018-07-27 |
| CN108324305B CN108324305B (en) | 2021-08-24 |
Family
ID=62924752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810002939.XA Active CN108324305B (en) | 2018-01-02 | 2018-01-02 | CT machine and locking device of rear cover thereof |
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| Country | Link |
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| CN (1) | CN108324305B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110200652A (en) * | 2019-05-30 | 2019-09-06 | 东软医疗系统股份有限公司 | A kind of Medical Devices |
| CN110393543A (en) * | 2019-07-19 | 2019-11-01 | 东软医疗系统设备有限公司 | A kind of CT rack and CT machine |
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| Publication number | Publication date |
|---|---|
| CN108324305B (en) | 2021-08-24 |
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Address after: 110179 No. 177-1 Innovation Road, Hunnan District, Shenyang City, Liaoning Province Applicant after: DongSoft Medical System Co., Ltd. Address before: 110179 No. 177-1 Innovation Road, Hunnan District, Shenyang City, Liaoning Province Applicant before: Dongruan Medical Systems Co., Ltd., Shenyang |
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