CN210441900U - Accurate adjusting device in bulb position - Google Patents
Accurate adjusting device in bulb position Download PDFInfo
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- CN210441900U CN210441900U CN201921446978.5U CN201921446978U CN210441900U CN 210441900 U CN210441900 U CN 210441900U CN 201921446978 U CN201921446978 U CN 201921446978U CN 210441900 U CN210441900 U CN 210441900U
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- direction adjusting
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Abstract
The utility model relates to the technical field of CT equipment manufacturing, in particular to a bulb tube position precise adjustment device, which comprises a bottom plate, a movable plate and a Z-direction adjusting block, wherein an X-direction adjusting block is fixed on one side of the bottom plate in the X direction, an X-direction fixed block is fixed on the movable plate, an X-direction adjusting screw in threaded connection with the X-direction fixed block is arranged on the X-direction adjusting block, an X-direction waist-shaped hole is arranged on the bottom plate, and an X-direction fastening screw connected with the movable plate is arranged on the X-direction waist-shaped hole; a Z-direction adjusting screw hole is formed in the side wall of the bottom plate on one side in the Z direction, and a Z-direction adjusting screw connected with the Z-direction adjusting screw hole is arranged on the Z-direction adjusting block; a CT bulb tube is fixed on the moving plate; has the advantages that: this scheme adopts the form of "adjusting screw + regulating block" to carry out X to and Z to the regulation to the movable plate, and adjusting screw's nut embedding regulating block's U type inslot has simple structure, and is with low costs, and easy dismounting's advantage.
Description
Technical Field
The utility model relates to a CT equipment manufacturing technical field especially relates to a bulb position accurate adjustment device.
Background
The focus of the CT bulb may have a position difference in the direction of the X, Z axis, resulting in the need to adjust the focus to a theoretical position range for each CT machine.
In the prior art, the CT bulb adopts a mode of 'motor + screw rod' to adjust the focus position, and also adopts various non-calibrated parts to adjust the focus position, so that the structure is complex and the cost is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a bulb position precise adjustment device to simplify the structure of the bulb focus adjustment device and improve the precision of adjustment.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
a bulb tube position accurate adjustment device comprises a bottom plate, a movable plate and a Z-direction adjusting block, wherein the X-direction adjusting block is fixed on one side of the bottom plate in the X direction, an X-direction fixed block is fixed on the movable plate, an X-direction adjusting screw in threaded connection with the X-direction fixed block is arranged on the X-direction adjusting block, an X-direction waist-shaped hole is formed in the bottom plate, and an X-direction fastening screw connected with the movable plate is arranged on the X-direction waist-shaped hole; a Z-direction adjusting screw hole is formed in the side wall of the bottom plate on one side in the Z direction, and a Z-direction adjusting screw connected with the Z-direction adjusting screw hole is arranged on the Z-direction adjusting block; and a CT bulb tube is fixed on the moving plate.
Further, a square hole is formed in the middle of the bottom plate, square grooves communicated with the square hole are formed in the bottom surfaces of the two sides of the X direction of the bottom plate, the movable plate is located in the square hole, convex portions located in the square grooves are arranged on the two sides of the X direction of the movable plate, and X-direction adjusting gaps are reserved between the convex portions and the square grooves.
Furthermore, X has seted up U type groove one to on the regulating block, and U type hole one has all been seted up to U type groove one on two ascending lateral walls of X, X is located U type groove one to adjusting screw's nut, and X is less than the trompil aperture of U type hole one to adjusting screw's pole portion, and X is greater than the trompil aperture of U type hole one to adjusting screw's nut.
Furthermore, an X-direction fixing nut is connected to the X-direction adjusting screw in a threaded manner and is located between the X-direction adjusting block and the X-direction fixing block.
Furthermore, Z has seted up U type groove two to on the regulating block, and U type hole two has all been seted up to U type groove two on Z two ascending lateral walls, Z is located U type groove two to adjusting screw's nut, and Z is less than the trompil aperture in U type hole two to adjusting screw's pole portion, and Z is greater than the trompil aperture in U type hole two to adjusting screw's nut.
Furthermore, a Z-direction fixing nut is connected to the Z-direction adjusting screw in a threaded manner and is located between the Z-direction adjusting block and the Z-direction adjusting screw hole.
Furthermore, a Z-direction adjusting block fixing screw is connected to the Z-direction adjusting block through threads.
Furthermore, Z is all equipped with two to adjusting screw, Z to the regulating block to Z, and two Z are located the both ends of bottom plate at one side lateral wall of Z direction respectively to adjusting screw.
Furthermore, a U-shaped ring is fixed on the moving plate, the CT bulb tube is clamped in the U-shaped ring, and the bottom of the CT bulb tube is fixedly connected with the moving plate.
Furthermore, hoisting blocks are arranged on two sides of the U-shaped ring.
The utility model has the advantages that:
1. according to the scheme, the movable plate is adjusted in the X direction and the Z direction in the form of the adjusting screw and the adjusting block, and the nut of the adjusting screw is embedded into the U-shaped groove of the adjusting block, so that the adjustable type X-axis and Z-axis adjusting mechanism has the advantages of simple structure, low cost and convenience in assembly and disassembly;
2. the adjusting distance of the bulb tube can be accurately measured by adjusting the number of turns of the screw;
3. by arranging the two Z-direction adjusting blocks, the position of the bulb tube in the Y-axis rotation direction can be accurately adjusted, and the focus is prevented from rotating and deviating;
4. adopt the U-shaped ring to fix the bulb on the bulb, have fixed reliable, simple structure's characteristics, and U-shaped ring both sides are provided with the hoist and mount piece, the dismantlement and the installation of the bulb of being convenient for.
Drawings
FIG. 1 is a schematic structural view of the present invention in an embodiment;
FIG. 2 is a schematic view of the construction of the base plate of FIG. 1;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic bottom view of FIG. 2;
FIG. 5 is a schematic view of the configuration of the moving plate of FIG. 1;
FIG. 6 is a schematic sectional view A-A of FIG. 1;
FIG. 7 is a schematic sectional view B-B of FIG. 1;
description of reference numerals:
the X-direction adjusting device comprises a bottom plate 1, a moving plate 2, a Z-direction adjusting block 3, an X-direction adjusting block 4, an X-direction fixing block 5, an X-direction adjusting screw, a 6, an X-direction waist-shaped hole 7, an X-direction fastening screw 8, a Z-direction adjusting screw hole 9, a Z-direction adjusting screw 10, a CT ball tube 11, a square hole 12, a square groove 13, a convex part 14, an X-direction adjusting gap 15, a U-shaped groove I16, a U-shaped hole I17, an X-direction fixing nut 18, a U-shaped groove II 19, a U-shaped hole II 20, a Z-direction fixing nut 21, a Z-direction adjusting block fixing screw 22, a U-shaped.
Detailed Description
The present invention will be described in further detail with reference to examples.
This embodiment provides a bulb position fine adjustment device, as shown in fig. 1 to 7, including bottom plate 1, movable plate 2 and Z to regulating block 3 (the coordinate axis is as shown in fig. 1), wherein, square hole 12 has been seted up at bottom plate 1 middle part, all seted up on the bottom surface of bottom plate 1X direction both sides with the square hole 12 square groove 13 of intercommunication, movable plate 2 is located square hole 12, and the both sides of movable plate 2X direction are equipped with the convex part 14 that is located square groove 13, leave X between convex part 14 and the square groove 13 and adjust clearance 15 to the regulation.
An X-direction adjusting block 4 is fixed on one side of the bottom plate 1 in the X direction, an X-direction fixing block 5 is fixed on the moving plate 2, an X-direction adjusting screw 6 in threaded connection with the X-direction fixing block 5 is arranged on the X-direction adjusting block 4, an X-direction waist-shaped hole 7 is formed in the bottom plate 1, X-direction fastening screws 8 connected with the moving plate 2 are arranged on the X-direction waist-shaped hole 7, and four X-direction fastening screws 8 are arranged in the embodiment; a first U-shaped groove 16 is formed in the X-direction adjusting block 4, first U-shaped holes 17 are formed in two side walls of the first U-shaped groove 16 in the X direction, a nut of the X-direction adjusting screw 6 is located in the first U-shaped groove 16, the rod part of the X-direction adjusting screw 6 is smaller than the hole opening diameter of the first U-shaped hole 17, and the nut of the X-direction adjusting screw 6 is larger than the hole opening diameter of the first U-shaped hole 17; an X-direction fixing nut 18 is connected to the X-direction adjusting screw 6 in a threaded mode, and the X-direction fixing nut 18 is located between the X-direction adjusting block 4 and the X-direction fixing block 5.
A Z-direction adjusting screw hole 9 is formed in the side wall of the bottom plate 1 in the Z direction, and a Z-direction adjusting screw 10 connected with the Z-direction adjusting screw hole 9 is arranged on the Z-direction adjusting block 3; a U-shaped groove II 19 is formed in the Z-direction adjusting block 3, U-shaped holes II 20 are formed in two side walls of the U-shaped groove II 19 in the Z direction, a nut of the Z-direction adjusting screw 10 is located in the U-shaped groove II 19, the rod part of the Z-direction adjusting screw 10 is smaller than the hole diameter of the U-shaped hole II 20, the nut of the Z-direction adjusting screw 10 is larger than the hole diameter of the U-shaped hole II 20, a Z-direction fixing nut 21 is in threaded connection with the Z-direction adjusting screw 10, and the Z-direction fixing nut 21 is located between the Z-direction adjusting block 3 and the Z-direction adjusting screw hole 9; the Z-direction adjusting block 3 is in threaded connection with a Z-direction adjusting block 3 fixing screw.
The movable plate 2 is fixed with U-shaped ring 23, the CT bulb tube 11 is clamped in the U-shaped ring 23, the bottom of the CT bulb tube is fixedly connected with the movable plate 2, hoisting blocks 24 are arranged on two sides of the U-shaped ring 23, the bulb tube is fixed by the U-shaped ring 23 on the bulb tube, the CT bulb tube fixing device has the advantages of being reliable in fixation and simple in structure, the hoisting blocks 24 are arranged on two sides of the U-shaped ring 23, and the bulb tube can be conveniently detached and installed.
The practical principle of this embodiment is as follows:
(1) when making an X-direction adjustment: the four X-direction fastening screws 8 on the bottom plate 1 are loosened, the X-direction fixing nuts 18 are loosened, the X-direction adjusting screws 6 are rotated at the moment, so that the moving plate 2 moves back and forth in the square groove 13 of the bottom plate 1, the X-direction adjusting gap 15 reserved between the square groove 13 and the moving plate 2 provides a space for adjustment of the moving plate 2, and the side walls of the square hole 12 and the square groove 13 provide a guiding effect for movement of the moving plate 2. After the adjustment is finished, the X-direction fastening screw 8 is screwed down, so that the moving plate 2 and the bottom plate 1 are fixedly connected, and the X-direction fixing nut 18 is screwed down to prevent the X-direction adjusting screw 6 from rotating mistakenly. The design of the first U-shaped groove 16 and the first U-shaped hole 17 enables the X-direction adjusting screw 6 to be limited to rotate in the first U-shaped groove 16.
(2) The Z-direction adjustment block 3 is fixedly connected to an external device by a Z-direction adjustment block fixing screw 22, so that when Z-direction adjustment is performed: the bottom plate 1 moves back and forth by rotating the Z-direction adjusting screw 10, wherein the Z-direction adjusting screw 10 rotates for one circle, the moving distance of the moving plate 2 is one thread pitch of the Z-direction adjusting screw 10, the U-shaped groove II 19 and the U-shaped hole II 20 are designed, so that the Z-direction adjusting screw 10 can only be limited in the U-shaped groove II 19 to rotate, and after the adjustment is finished, the Z-direction fixing nut 21 is screwed down to prevent the Z-direction adjusting screw 10 from rotating mistakenly.
In order to solve the defect that the adjustment scheme in the prior art can only perform adjustment in the direction of the X, Z axis and cannot perform adjustment in the direction of the Y axis rotation, in this embodiment, two Z-direction adjustment screw holes 9 and two Z-direction adjustment blocks 3 are provided, and the two Z-direction adjustment screw holes 9 are respectively located at two ends of a side wall of the bottom plate 1 on one side in the Z direction. When the focus of the CT bulb 11 is rotationally offset in the Y-axis direction, the offset can be adjusted by adjusting the two Z-direction adjusting screws 10 (one has more turns, and the other has fewer turns).
Claims (10)
1. The utility model provides a bulb position accurate adjustment device which characterized in that: the X-direction adjusting mechanism comprises a bottom plate, a moving plate and a Z-direction adjusting block, wherein the X-direction adjusting block is fixed on one side of the bottom plate in the X direction, an X-direction fixing block is fixed on the moving plate, an X-direction adjusting screw in threaded connection with the X-direction fixing block is arranged on the X-direction adjusting block, an X-direction waist-shaped hole is formed in the bottom plate, and an X-direction fastening screw connected with the moving plate is arranged on the X-direction waist-shaped hole; a Z-direction adjusting screw hole is formed in the side wall of the bottom plate on one side in the Z direction, and a Z-direction adjusting screw connected with the Z-direction adjusting screw hole is arranged on the Z-direction adjusting block; and a CT bulb tube is fixed on the moving plate.
2. The apparatus for precisely adjusting the position of a bulb according to claim 1, wherein: a square hole is formed in the middle of the bottom plate, square grooves communicated with the square hole are formed in the bottom surfaces of the two sides of the X direction of the bottom plate, the movable plate is located in the square hole, protruding portions located in the square grooves are arranged on the two sides of the X direction of the movable plate, and X-direction adjusting gaps are reserved between the protruding portions and the square grooves.
3. The apparatus for precisely adjusting the position of a bulb according to claim 1, wherein: the X is to having seted up U type groove one on the regulating block, and U type hole one has all been seted up on two ascending lateral walls of X in U type groove one, X is to adjusting screw's nut to be located U type groove one, and X is less than the trompil aperture of U type hole one to adjusting screw's pole portion, and X is greater than the trompil aperture of U type hole one to adjusting screw's nut.
4. A bulb position fine adjustment device according to claim 3, wherein: and the X-direction adjusting screw is in threaded connection with an X-direction fixing nut, and the X-direction fixing nut is positioned between the X-direction adjusting block and the X-direction fixing block.
5. The apparatus for precisely adjusting the position of a bulb according to claim 1, wherein: and a U-shaped groove II is formed in the Z-direction adjusting block, a U-shaped hole II is formed in two side walls of the U-shaped groove II on the Z-direction adjusting block, a nut of the Z-direction adjusting screw is located in the U-shaped groove II, the rod part of the Z-direction adjusting screw is smaller than the hole opening diameter of the U-shaped hole II, and the nut of the Z-direction adjusting screw is larger than the hole opening diameter of the U-shaped hole II.
6. The apparatus for precisely adjusting the position of a bulb according to claim 5, wherein: and the Z-direction adjusting screw is in threaded connection with a Z-direction fixing nut, and the Z-direction fixing nut is positioned between the Z-direction adjusting block and the Z-direction adjusting screw hole.
7. The apparatus for precisely adjusting the position of a bulb according to claim 6, wherein: and the Z-direction adjusting block is in threaded connection with a Z-direction adjusting block fixing screw.
8. The apparatus for precisely adjusting the position of a bulb according to claim 1, wherein: z is all equipped with two to adjusting screw, Z to the regulating block, and two Z are located the both ends of bottom plate at Z direction one side lateral wall respectively to adjusting screw.
9. The apparatus for precisely adjusting the position of a bulb according to claim 1, wherein: the movable plate is fixed with a U-shaped ring, the CT bulb tube is clamped in the U-shaped ring, and the bottom of the CT bulb tube is fixedly connected with the movable plate.
10. The apparatus for precisely adjusting the position of a bulb according to claim 9, wherein: and hoisting blocks are arranged on two sides of the U-shaped ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921446978.5U CN210441900U (en) | 2019-09-02 | 2019-09-02 | Accurate adjusting device in bulb position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921446978.5U CN210441900U (en) | 2019-09-02 | 2019-09-02 | Accurate adjusting device in bulb position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210441900U true CN210441900U (en) | 2020-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921446978.5U Active CN210441900U (en) | 2019-09-02 | 2019-09-02 | Accurate adjusting device in bulb position |
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| CN (1) | CN210441900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111631747A (en) * | 2020-05-14 | 2020-09-08 | 赛诺威盛科技（北京）有限公司 | CT front collimator with adjusting mechanism |
-
2019
- 2019-09-02 CN CN201921446978.5U patent/CN210441900U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111631747A (en) * | 2020-05-14 | 2020-09-08 | 赛诺威盛科技（北京）有限公司 | CT front collimator with adjusting mechanism |
| CN111631747B (en) * | 2020-05-14 | 2021-04-06 | 赛诺威盛科技（北京）有限公司 | CT front collimator with adjusting mechanism |
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