CN202960541U - Fixing part component of CT (computed tomography) frame - Google Patents
Fixing part component of CT (computed tomography) frame Download PDFInfo
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- CN202960541U CN202960541U CN 201220622564 CN201220622564U CN202960541U CN 202960541 U CN202960541 U CN 202960541U CN 201220622564 CN201220622564 CN 201220622564 CN 201220622564 U CN201220622564 U CN 201220622564U CN 202960541 U CN202960541 U CN 202960541U
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- fixed part
- part assembly
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Abstract
The utility model provides a fixing part component of a CT (computed tomography) frame, which comprises a base plate (1). The base plate (1) is provided with a first side and a second side which are opposite to each other; a circular hole penetrating through the first side and the second side of the base plate is formed in the middle of the base plate (1); annular grooves are respectively formed on the first side and the second side of the base plate (1); the annular grooves are distributed along the edge of the circular hole; a fixing groove is formed at the edge of the second side of the base plate (1); the component also comprises a bearing (2), a base body (3), a belt pulley (4) and a fixing ring (5); the bearing (2) and the base body (3) are positioned on the first side of the base plate (1); and the base body (3), the bearing (2), the base plate (1), the belt pulley (4) and the fixing ring (5) are sequentially arranged and fixed. The structure can reduce the dimension of the CT frame, realize the miniaturization of a CT machine and reduce the manufacture cost, and is more convenient to assemble.
Description
[technical field]
This utility model relates to computed tomography (Computed Tomography, CT) technical field, relates in particular to a kind of fixed part modular construction of CT frame.
[background technology]
CT (Computed Tomography) is computed tomography, is one of topmost image means system of present inside of human body histoorgan anatomic form structure, especially checks the responsive focus of the disease that density and metamorphosis are arranged.
As shown in Figure 1, the hardware components of CT machine comprises the rotatable frame 11 of an annular, can obtain x-ray image under different angles by frame 11, each group image is called as " layer image " in the art, the patient is placed on a bed body 12 that can move vertically of frame 11 hollow spaces, therefore can obtain corresponding layer image in a plurality of positions of axial (z direction).The parts such as the detector of X ray occurs part (bulb), acquired signal that CT frame 11 is integrated and motor, in the internal structure of frame, substrate is main parts.Substrate is mainly used to assemble the miscellaneous part of CT frame 11, such as the retainer ring and the parts such as belt wheel and bearing that are used for coding.
Along with the development of science and technology, the CT machine is towards high row, the future development of low dosage.But the thickness of the rack section of the CT machine of high row increases, and the ward space that causes installing and place the CT machine can be very large.Therefore, the as far as possible little CT machine of research and development size is a direction of CT development.The length of existing 16 row CT frames * highly * thickness is greatly about about 2200mm * 1950mm * 940mm.
In prior art, the substrate of CT frame adopts the aluminum casting, then carries out machining.In order to satisfy certain mechanical strength and fixed structure requirement, this substrate casting thickness is larger, usually more than 100mm; Cost is also higher, and the fee of material of substrate foundry goods, casting take and processing charges, need about 15000 yuans of left and right; And because substrate foundry goods volume is larger, comparatively heavy, also caused the difficulty of assembling miscellaneous part on substrate.
Therefore, need to propose a kind of new structure, reduce the size of described substrate, thereby reduce the size of CT frame, reduce simultaneously manufacturing cost, and make the fixed part assembling of CT frame more convenient.
[utility model content]
The problem that this utility model solves is to propose a kind of technical scheme, can reduce the size of CT machine, reduces the processing cost of CT frame, makes assembling more convenient.
For addressing the above problem, the utility model proposes a kind of fixed part assembly for the CT frame, wherein, described fixed part assembly comprises substrate, described substrate has the first side and the second side that is oppositely arranged, and the centre of described substrate is provided with the circular hole that runs through substrate the first side, the second side, and the first side, second side of described substrate are respectively equipped with toroidal cavity, and toroidal cavity is along the edge placement of described circular hole, and the second side edge of described substrate is provided with holddown groove.
Alternatively, described substrate is made of steel.
Alternatively, the degree of depth of described groove is 3mm.
Alternatively, the thickness of described substrate is 20mm～30mm.
Alternatively, described groove is to process by milling mode to obtain.
Alternatively, the fixed part assembly of described CT frame also comprises bearing, described bearing comprises bearing inner race and bearing outer ring, described bearing is positioned at the first side of described substrate, described bearing outer ring is circular, the described groove external diameter of the size of described bearing outer ring and described substrate the first side matches, and described bearing outer ring and described substrate are fixed.
Alternatively, be processed with screwed hole on the described groove of described substrate the first side, be processed with screwed hole on described bearing outer ring, described bearing outer ring and described substrate are connected and fixed by the screw that runs through described screwed hole.
Alternatively, described assembly also comprises a matrix, and described matrix is positioned at the first side of described substrate, and described matrix and described bearing inner race are fixed.
Alternatively, described matrix and described bearing inner race are connected by screw fixing.
Alternatively, described assembly also comprises belt wheel and retainer ring, and described belt wheel and retainer ring are positioned at the second side of described substrate.
Alternatively, the described belt wheel described circular hole and the described bearing inner race that pass described substrate fixed.
Alternatively, described belt wheel and described bearing inner race are connected by screw fixing.
Alternatively, the size of described retainer ring matches with the described groove external diameter of described substrate the second side, and described retainer ring and described substrate are fixed.
Alternatively, be processed with screwed hole on the described groove of described substrate the second side, be processed with screwed hole on described retainer ring, described retainer ring and described substrate are connected and fixed by the screw that runs through described screwed hole.
This utility model contrast prior art has following beneficial effect:
Described substrate has replaced the foundry goods more than thickness 100mm by the thick weldment of 20mm～30mm, makes the size reduction of whole CT machine; Reduce the manufacturing cost of CT frame; And make on this substrate the assembling miscellaneous part more convenient.
[description of drawings]
Fig. 1 is CT machine structure diagram;
Fig. 2 is the structural representation of substrate of the present utility model;
Fig. 3 is substrate in the specific embodiment and the installation diagram of bearing outer ring;
Fig. 4 is the installation diagram of the CT machine fixing part structure assembly in the specific embodiment;
Fig. 5 is the installation diagram of the CT machine fixing part structure assembly in the specific embodiment;
In figure:
The 11-CT frame; 12-CT bed body; The 1-substrate;
The 101-circular hole; The 102-groove; The 103-holddown groove;
The 2-bearing; The 201-bearing outer ring; The 202-bearing inner race;
The 3-matrix; The 4-belt wheel; The 5-retainer ring
[specific embodiment]
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in detail.
The substrate of CT frame is mainly the miscellaneous part that is used for fixing or assembles in the CT frame, its structure as shown in Figure 2, Fig. 2 (a) is the structural representation in substrate 1 left side (the first side), Fig. 2 (b) is the structural representation on substrate 1 right side (the second side).In the present embodiment, the material of substrate 1 is steel, processes a circular hole 101 in the central authorities of substrate 1, and the patient passes through when holding CT scan; The left side of substrate 1 and right side respectively process a toroidal cavity 102 and 102 ' that 3mm is dark along the edge of circular hole 101 by milling mode; The edge joint weld on the right side of substrate 1 is connected to holddown groove 103, and holddown groove 103 is used for fixing the parts on other assemblings and substrate 1, preferably, is used for fixing the inclined arm (not shown in FIG.) on the CT frame.
In the present embodiment, the thickness of substrate 1 is 22mm, has replaced the above foundry goods substrate of existing thickness 100mm, and the holddown groove 103 on substrate 1 is welded on substrate 1, has greatly reduced the size of CT frame; The fee of material of substrate and processing charges are reduced to 10000 yuan of left and right by 15000 yuan, thereby have reduced the manufacturing cost of CT frame; And due to reducing of substrate 1 size, make on substrate 1 the assembling miscellaneous part more convenient.
As shown in Figure 3, bearing 2 is positioned at the left side of substrate 1, groove 102 sizes in the size of bearing outer ring 201 and substrate 1 left side match, make bearing outer ring 201 just in time can be embedded in groove 102, be processed with screwed hole on the groove 102 in substrate 1 left side, be processed with screwed hole with matching on bearing outer ring, substrate 1 and bearing outer ring 201 use the screw that runs through above-mentioned screwed hole to be connected and fixed.
As shown in Figure 4, use the spherical guide mode to connect between bearing outer ring 201 and bearing inner race 202, be fixed with rotatable matrix 3 on bearing inner race 202, preferably, the use screw is connected and fixed, and matrix 3 also is positioned at the left side of substrate 1, and substrate 1, bearing 2, matrix 3 are arranged in order.
As shown in Figure 5, in the right group of substrate 1, belt wheel 4 and retainer ring 5 are housed, belt wheel 4 is used for transmission, and retainer ring 5 is used for fixing code device, and substrate 1, belt wheel 4 and retainer ring 5 are arranged in order.Bearing inner race 202 parts are passed the circular hole 101 of substrate 1, and belt wheel 4 is fixed on bearing inner race 202, preferably, use screw to be connected and fixed.The groove 102 ' on the size of retainer ring 5 and substrate 1 right side matches, can be embedded in described groove 102 ', be processed with screwed hole on the groove 102 ' on substrate 1 right side, and the screwed hole on the groove 102 of described screwed hole and substrate 1 first side is staggered, be processed with screwed hole with matching on retainer ring 5, retainer ring 5 and substrate 1 use the screw that runs through above-mentioned screwed hole to be connected and fixed.
In this utility model, each embodiment adopts laddering literary style, and emphasis is described the difference with previous embodiment, and the same procedure in each embodiment or structure are with reference to the same section of previous embodiment.
Although this utility model with preferred embodiment openly as above; but it is not to limit this utility model; any those skilled in the art are not within breaking away from spirit and scope of the present utility model; can utilize method and the technology contents of above-mentioned announcement to make possible change and modification to technical solutions of the utility model; therefore; every content that does not break away from technical solutions of the utility model; to any simple modification, equivalent variations and modification that above embodiment does, all belong to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (14)
1. fixed part assembly that is used for the CT frame, it is characterized in that, described fixed part assembly comprises substrate, described substrate has the first side and the second side that is oppositely arranged, the centre of described substrate is provided with the circular hole that runs through substrate the first side, the second side, the first side, second side of described substrate are respectively equipped with toroidal cavity, and toroidal cavity is along the edge placement of described circular hole, and the second side edge of described substrate is provided with holddown groove.
2. the fixed part assembly of CT frame according to claim 1, is characterized in that, described substrate is made of steel.
3. the fixed part assembly of CT frame according to claim 1, is characterized in that, the degree of depth of described groove is 3mm.
4. the fixed part assembly of CT frame according to claim 1, is characterized in that, the thickness of described substrate is 20mm～30mm.
5. the fixed part assembly of CT frame according to claim 1, is characterized in that, described groove is to process by milling mode to obtain.
6. the fixed part assembly of the described CT frame of any one according to claim 1 to 5, it is characterized in that, the fixed part assembly of described CT frame also comprises bearing, described bearing comprises bearing inner race and bearing outer ring, described bearing is positioned at the first side of described substrate, described bearing outer ring is circular, and the described groove external diameter of the size of described bearing outer ring and described substrate the first side matches, and described bearing outer ring and described substrate are fixed.
7. the fixed part assembly of CT frame according to claim 6, it is characterized in that, be processed with screwed hole on the described groove of described substrate the first side, be processed with screwed hole on described bearing outer ring, described bearing outer ring and described substrate are connected and fixed by the screw that runs through described screwed hole.
8. the fixed part assembly of CT frame according to claim 6, is characterized in that, described assembly also comprises a matrix, and described matrix is positioned at the first side of described substrate, and described matrix and described bearing inner race are fixed.
9. the fixed part assembly of CT frame according to claim 8, is characterized in that, described matrix and described bearing inner race are connected by screw fixing.
10. the fixed part assembly of CT frame according to claim 6, is characterized in that, described assembly also comprises belt wheel and retainer ring, and described belt wheel and retainer ring are positioned at the second side of described substrate.
11. the fixed part assembly of CT frame according to claim 10 is characterized in that, described belt wheel passes described circular hole and the described bearing inner race of described substrate and fixes.
12. the fixed part assembly of CT frame according to claim 11 is characterized in that, described belt wheel and described bearing inner race are connected by screw fixing.
13. the fixed part assembly of CT frame according to claim 10 is characterized in that, the size of described retainer ring matches with the described groove external diameter of described substrate the second side, and described retainer ring and described substrate are fixed.
14. the fixed part assembly of CT frame according to claim 13, it is characterized in that, be processed with screwed hole on the described groove of described substrate the second side, be processed with screwed hole on described retainer ring, described retainer ring and described substrate are connected and fixed by the screw that runs through described screwed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220622564 CN202960541U (en) | 2012-11-22 | 2012-11-22 | Fixing part component of CT (computed tomography) frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220622564 CN202960541U (en) | 2012-11-22 | 2012-11-22 | Fixing part component of CT (computed tomography) frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202960541U true CN202960541U (en) | 2013-06-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220622564 Expired - Lifetime CN202960541U (en) | 2012-11-22 | 2012-11-22 | Fixing part component of CT (computed tomography) frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202960541U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457171A (en) * | 2014-09-11 | 2016-04-06 | 北京大基康明医疗设备有限公司 | Medical electronic linear accelerator and frame structure thereof |
| CN111616730A (en) * | 2020-05-14 | 2020-09-04 | 赛诺威盛科技（北京）有限公司 | CT scanning frame, scanner and scanning device |
-
2012
- 2012-11-22 CN CN 201220622564 patent/CN202960541U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457171A (en) * | 2014-09-11 | 2016-04-06 | 北京大基康明医疗设备有限公司 | Medical electronic linear accelerator and frame structure thereof |
| CN111616730A (en) * | 2020-05-14 | 2020-09-04 | 赛诺威盛科技（北京）有限公司 | CT scanning frame, scanner and scanning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201815 No. 1180 Xingxian Road, Jiading Industrial Zone, Jiading District, Shanghai Patentee after: Shanghai Lianying Medical Technology Co.,Ltd. Address before: 201815 No. 1180 Xingxian Road, Jiading Industrial Zone, Jiading District, Shanghai Patentee before: SHANGHAI UNITED IMAGING HEALTHCARE Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |