CN211131135U - Device for rapidly positioning CT anti-scattering grid and crystal assembly - Google Patents
Device for rapidly positioning CT anti-scattering grid and crystal assembly Download PDFInfo
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- CN211131135U CN211131135U CN201921340811.0U CN201921340811U CN211131135U CN 211131135 U CN211131135 U CN 211131135U CN 201921340811 U CN201921340811 U CN 201921340811U CN 211131135 U CN211131135 U CN 211131135U
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Abstract
The utility model provides a device of quick location CT anti-scatter grid and crystal equipment relates to medical imaging equipment technical field for location equipment anti-scatter grid and crystal circuit board, its characterized in that: the tool comprises a tool main body frame with a tool positioning sheet arranged on one side and a locking piece arranged on the other side of the tool main body frame; the locking piece and the tool positioning piece are arranged oppositely; an installation part is arranged in the tool main body frame and used for installing the anti-scattering grids. The utility model discloses a locating surface location, positioning accuracy is high. The locking and positioning are carried out through the spring stud, and the positioning precision is high. And the high-precision positioning plane tool is adopted to simultaneously restrain the degrees of freedom (length direction and width direction) of the anti-scattering grid and the ceramic crystal circuit board in two directions. The device has simple structure and quick positioning operation of the tool.
Description
Technical Field
The utility model relates to a device of quick location CT anti-scatter grid and crystal equipment belongs to medical imaging equipment technical field.
Background
The detector module is used as a core component in the CT, and has a high requirement on the assembly precision of the anti-scatter grid and the ceramic crystal to ensure the final image quality, that is, the ceramic crystal and the anti-scatter grid need to be aligned in the center to ensure the final image quality.
The existing tool indirectly ensures the center alignment between the side surface of the ceramic crystal circuit board and the side surface of the anti-scattering grid in two directions by ensuring the distance between the two. However, there are the following problems:
1. the distance from the side edge of the circuit board to the center of the crystal is low in precision, so that the whole assembly precision is not high.
2. The tooling is matched and positioned through the hole pin, and the positioning precision is low.
3. The existing tool is small in space, inconvenient to operate and low in assembly efficiency.
Based on this, the present case has been made.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned defect that exists among the prior art, the utility model provides a device of quick location CT anti-scatter grid and crystal equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a device for rapidly positioning CT anti-scatter grids and crystal assembly is used for positioning and assembling anti-scatter grids and crystal circuit boards and comprises a tool main body frame and a locking piece, wherein one side of the tool main body frame is provided with a tool positioning piece, and the locking piece is arranged on the other side of the tool main body frame; the locking piece and the tool positioning piece are arranged oppositely; an installation part is arranged in the tool main body frame and used for installing the anti-scattering grids.
Preferably, another locking member is mounted at one end of the tool main body frame.
Preferably, the locking part arranged on the other side of the tool main body frame comprises a first spring screw column group and a second spring screw column group, the first spring screw column group is higher than the second spring screw column group in position, the first spring screw column group is used for locking the anti-scattering grid, and the second spring screw column group is used for locking the crystal circuit board.
Preferably, the locking piece arranged at one end of the tool main body frame comprises a third spring screw group, and the third spring screw group at least comprises two spring studs arranged at different heights; the spring stud located below is used for locking the anti-scattering grid, and the spring stud located above is used for locking the crystal circuit board.
Preferably, the first spring stud set comprises at least two spring studs which have the same height and are symmetrically arranged along the center line of the width direction of the main body frame; the second spring stud group comprises at least two spring studs which have the same height and are symmetrically arranged along the central line of the width direction of the main body frame.
The utility model discloses a theory of operation: in the assembling process, firstly, the anti-scattering grid is placed on an installation part in a main frame of the tool, the anti-scattering grid is positioned through a main frame of the tool, and the side surface of the anti-scattering grid is tightly attached to a positioning surface of a positioning piece of the tool through compression of a spring stud; then the crystal circuit board is placed on the anti-scattering grid, and the side edge of the ceramic crystal circuit board is pressed by a spring stud to enable the side edge of the ceramic crystal circuit board to be tightly attached to the positioning surface of the tool positioning plate; and finally, locking the crystal circuit board and the anti-scattering grid by using screws, and loosening the spring studs to take out the finished assembly.
The utility model discloses can realize following technological effect:
(1) the utility model discloses a locating surface location, positioning accuracy is high.
(2) The utility model discloses a spring stud locks the location, and positioning accuracy is high.
(3) The utility model discloses a high accuracy location plane frock comes restraint anti-scatter grid and ceramic crystal circuit board freedom degree (length direction and width direction) in two orientations simultaneously.
(4) The device of the utility model is simple in structure, frock location operation is swift.
Drawings
FIG. 1 is an exploded view of the structure of a device for rapidly positioning the assembly of an anti-scatter grid and a crystal for CT according to the present embodiment;
fig. 2-4 are schematic diagrams illustrating the positioning and assembling process of the apparatus for rapidly positioning the CT anti-scatter grid and the crystal assembly according to the present embodiment.
Description of the labeling: the anti-scattering grid structure comprises a tool main body frame 1, a tool locating piece 11, an installation part 12, a spring stud 2, a first spring stud group 21, a second spring stud group 22, a third spring stud group 23, an anti-scattering grid 3, a crystal circuit board 4, a locating surface 5, a grid side surface 6 and a circuit board side edge 7.
Detailed Description
In order to make the technical means and the technical effects achieved by the technical means of the present invention clearer and more complete, the following embodiments are provided and are described in detail with reference to the accompanying drawings as follows:
as shown in fig. 1 to 4, the device for rapidly positioning the assembly of the CT anti-scatter grid 3 and the crystal according to the embodiment is used for positioning and assembling the anti-scatter grid 3 and the crystal circuit board 4, and includes a tool main body frame 1 having a tool positioning plate 11 on one side and a locking member mounted on the other side of the tool main body frame 1; the locking piece is arranged opposite to the tool positioning piece 11; an installation part 12 is arranged in the tool main body frame 1 and used for installing the anti-scattering grid 3. The locking member in this embodiment is a spring stud. In the assembling process, firstly, the anti-scattering grid 3 is placed on the mounting part 12 in the tool main body frame 1, the anti-scattering grid 3 is positioned through the tool main frame, and the side surface 6 of the anti-scattering grid 3 is tightly attached to the positioning surface 5 of the tool positioning piece 11 through the compression of a spring stud; then, the crystal circuit board 4 is placed on the anti-scattering grid 3, and the side edge 7 of the ceramic crystal circuit board is pressed by a spring stud to enable the side edge 7 of the ceramic crystal circuit board to be tightly attached to the positioning surface 5 of the tool positioning sheet 11; and finally, locking the crystal circuit board 4 and the anti-scattering grid 3 by using screws, and loosening the spring studs to take out the finished assembly.
The preferred, install the retaining member in frock main body frame 1 opposite side and include first spring screw group 21 and second spring screw group 22, the position of first spring screw group 21 be higher than with second spring screw group 22, first spring screw group 21 is used for locking anti-scatter grid 3, second spring screw group 22 is used for locking crystalline substance circuit board 4. The first spring screw group 21 and the second spring screw group 22 are used for locking the anti-scatter grid 3 and the crystal circuit board 4 from displacement in the width direction and preventing movement.
This embodiment is preferred, another retaining member is installed to the one end of frock main body frame 1, the other end of frock main body frame 1 is end plate planar design, a displacement for locking anti-scatter grid 3 and 4 length direction of crystal circuit board, prevent to remove, the retaining member of installing in frock main body frame 1 one end includes third spring stud group 23, third spring stud group 23 includes the spring stud of two not co-altitude installations, the spring stud that is located the below is used for locking anti-scatter grid 3, the spring stud that is located the top is used for locking crystal circuit board 4.
In this embodiment, preferably, the first spring stud group 21 includes at least two spring studs that have the same height and are symmetrically installed along the center line of the width direction of the main body frame; the second spring stud group 22 includes at least two spring studs that are at the same height and symmetrically installed along the center line of the width direction of the main body frame. The distribution of the spring studs enables the anti-scattering grid 3 and the crystal circuit board 4 to be locked easily, and positioning is accurate.
The above is a detailed description of the technical solutions provided in connection with the preferred embodiments of the present invention, and it should not be assumed that the embodiments of the present invention are limited to the above description, and it will be apparent to those skilled in the art that the present invention can be implemented in a variety of ways without departing from the spirit and scope of the present invention.
It should be noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (5)
1. A device for rapidly positioning and assembling CT anti-scattering grids and crystals is used for positioning and assembling the anti-scattering grids and crystal circuit boards, and is characterized in that: the tool comprises a tool main body frame with a tool positioning sheet arranged on one side and a locking piece arranged on the other side of the tool main body frame; the locking piece and the tool positioning piece are arranged oppositely; an installation part is arranged in the tool main body frame and used for installing the anti-scattering grids.
2. The apparatus for rapidly positioning a CT anti-scatter grid and crystal assembly of claim 1, wherein: and another locking piece is installed at one end of the tool main body frame.
3. The apparatus for rapidly positioning a CT anti-scatter grid and crystal assembly of claim 1, wherein: the locking piece arranged on the other side of the tool main body frame comprises a first spring spiral column group and a second spring spiral column group, the position of the first spring spiral column group is higher than that of the second spring spiral column group, the first spring spiral column group is used for locking the anti-scattering grid grids, and the second spring spiral column group is used for locking the crystal circuit board.
4. The apparatus for rapidly positioning a CT anti-scatter grid and crystal assembly of claim 2, wherein: the locking piece arranged at one end of the tool main body frame comprises a third spring stud group, and the third spring stud group at least comprises two spring studs arranged at different heights; the spring stud located below is used for locking the anti-scattering grid, and the spring stud located above is used for locking the crystal circuit board.
5. A device for rapidly positioning a CT anti-scatter grid and crystal assembly as recited in claim 3, wherein: the first spring stud group comprises at least two spring studs which have the same height and are symmetrically arranged along the center line of the width direction of the main body frame; the second spring stud group comprises at least two spring studs which have the same height and are symmetrically arranged along the central line of the width direction of the main body frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921340811.0U CN211131135U (en) | 2019-08-19 | 2019-08-19 | Device for rapidly positioning CT anti-scattering grid and crystal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921340811.0U CN211131135U (en) | 2019-08-19 | 2019-08-19 | Device for rapidly positioning CT anti-scattering grid and crystal assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211131135U true CN211131135U (en) | 2020-07-31 |
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ID=71743948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921340811.0U Active CN211131135U (en) | 2019-08-19 | 2019-08-19 | Device for rapidly positioning CT anti-scattering grid and crystal assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211131135U (en) |
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2019
- 2019-08-19 CN CN201921340811.0U patent/CN211131135U/en active Active
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