Rotating structure applied to X-ray generator assembly

Abstract

The utility model belongs to the technical field of X-ray generators, and discloses a rotating structure applied to an X-ray generator component, which comprises a rotating shaft, a first lock sleeve sleeved on the rotating shaft, a plurality of first steel balls clamped between the first lock sleeve and the rotating shaft, a second lock sleeve sleeved on the rotating shaft, and a plurality of second steel balls clamped between the second lock sleeve and the rotating shaft. A plurality of second steel balls are clamped between the second lock sleeve and the rotating shaft, the rotating shaft is sleeved with a third lock sleeve and a spring, the spring is arranged in the third lock sleeve, the spring is installed between the end of the third lock sleeve and the inner sleeve in a compressed state, and a clamping sleeve is inserted between the second lock sleeve and the third lock sleeve; when parts are abraded, the first lock sleeve and the first steel balls are tightly matched with the rotating shaft, and the second lock sleeve and the second steel balls are tightly matched with the rotating shaft under the elastic action of the spring, so that the radial run-out of the rotating shaft is greatly reduced, the use efficiency is enhanced, the ray image quality is enhanced, and the injury of useless rays to a patient is reduced; wide popularization and application can be realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of X-ray generators, and in particular relates to a rotating structure applied to an X-ray generator component. Background Art

[0002] With the advancement of science and technology, the application of X-rays in clinical diagnosis is becoming more and more extensive. At present, a set of clinical diagnostic X-ray generators mainly consists of an X-ray generator, an X-ray imaging device and a cooling device. The cooling device includes a closed box filled with coolant. The X-ray generator is arranged inside the closed box. The X-ray generator generates a lot of heat when generating X-rays, and the heat is promptly dissipated through the cooling device.

[0003] When the X-ray generator is working, an electron cloud is generated after the filament is powered on. These electrons are accelerated by the high-voltage electric field between the anode metal target and the cathode, forming a high-speed electron flow. These high-speed electrons collide with the anode metal target and convert part of their energy into X-rays. If the anode metal target cannot rotate, the high-speed electrons can only hit one point on the anode metal target, affecting the working efficiency of the X-ray generator. This requires the anode metal target to be able to rotate. Currently, only bearings are installed on the shaft to achieve shaft rotation. Once wear occurs, the shaft will experience radial shaking during rotation, requiring regular maintenance and replacement, which greatly affects the working stability of the X-ray generator. Utility Model Content

[0004] In order to solve the technical problems existing in the prior art, the utility model provides a rotating structure applied to an X-ray generator assembly, which has high stability, produces good image quality, and reduces the harm of useless rays to patients.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is: a rotating structure applied to an X-ray generator assembly, including a rotating shaft, a rotating disk is provided at one end of the rotating shaft, and an anode metal target is installed on the rotating disk.

[0006] A first locking sleeve is mounted on the rotating shaft, a first annular groove is formed on the outer wall of the rotating shaft, the first annular groove is coaxially arranged with the rotating shaft, a second annular groove is formed on the inner wall of the first locking sleeve, the second annular groove is connected to the outer port of the first locking sleeve through a first outward expansion bayonet, the second annular groove is coaxially arranged with the rotating shaft, a plurality of first steel balls are clamped between the first annular groove and the second annular groove, and the first locking sleeve is rotatable relative to the rotating shaft.

[0007] A second locking sleeve is mounted on the rotating shaft, a third annular groove is formed on the outer wall of the rotating shaft, the third annular groove is coaxially arranged with the rotating shaft, a fourth annular groove is formed on the inner wall of the second locking sleeve, the fourth annular groove is connected to the outer port of the second locking sleeve via a second outward expansion bayonet, the fourth annular groove is coaxially arranged with the rotating shaft, a plurality of second steel balls are mounted between the third annular groove and the fourth annular groove, and the second locking sleeve is rotatable relative to the rotating shaft.

[0008] A third locking sleeve and a spring are sleeved on the rotating shaft, an annular space is left between the inner side wall of the third locking sleeve and the rotating shaft, and the spring is arranged in the annular space between the third locking sleeve and the rotating shaft.

[0009] The shaft is sleeved with an inner sleeve, which is placed between the third locking sleeve and the shaft, with clearances between the inner sleeve and the third locking sleeve, and between the inner sleeve and the shaft, and a spring is elastically pressed between the inner sleeve and the end of the third locking sleeve.

[0010] A clamping sleeve is inserted on the rotating shaft, the clamping sleeve is placed between the second locking sleeve and the third locking sleeve, and the inner sleeve is placed between the spring and the clamping sleeve. Under the elastic force of the spring, the inner sleeve, the clamping sleeve and the second locking sleeve are tightly pressed together.

[0011] The ferrule includes an arc-shaped main body, a first chuck is provided at one end of the arc-shaped main body, and a second chuck is provided at the other end of the arc-shaped main body. The first chuck and the second chuck are symmetrically arranged, and a bayonet is formed between the first chuck and the second chuck. The arc-shaped main body is clamped on the rotating shaft, and the ferrule eliminates the gap between the inner sleeve and the second locking sleeve.

[0012] The turntable includes a first chuck and a second chuck fixed to the first chuck. The diameter of the first chuck is smaller than that of the second chuck. The second chuck is fixed to the rotating shaft. The first chuck is fixed to the anode metal target. The rotating shaft drives the turntable and the anode metal target to rotate synchronously.

[0013] A shaft shoulder is arranged on the rotating shaft, the shaft shoulder is placed in the second locking sleeve, and the shaft shoulder limits the extreme running position of the clamping sleeve.

[0014] Compared with the prior art, the utility model has the following specific beneficial effects: the utility model provides a first locking sleeve, a plurality of first steel balls to cooperate with the rotating shaft, and provides a second locking sleeve, a plurality of second steel balls to cooperate with the rotating shaft, so that the rotating shaft can rotate smoothly relative to the first locking sleeve and the second locking sleeve. Compared with the structure in which the bearing is directly installed on the rotating shaft, under the working condition of high temperature operation, the radial deformation of this simple structure is smaller. By installing a compression spring between the first locking sleeve and the second locking sleeve, the close cooperation of the second locking sleeve, the plurality of second steel balls and the rotating shaft is ensured, the friction between the first locking sleeve, the plurality of first steel balls and the rotating shaft is maintained, and the friction between the second locking sleeve, the plurality of second steel balls and the rotating shaft is also maintained, which greatly reduces the radial runout of the rotating shaft, enhances the use efficiency, enhances the quality of the radiographic image, and reduces the harm of useless radiation to the patient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The three-dimensional Figure 1 .

[0016] Figure 2 The three-dimensional Figure 2 .

[0017] Figure 3 It is the front view of the utility model.

[0018] Figure 4 for Figure 3 Cross-sectional view at AA in the middle.

[0019] Figure 5 It is a left view of the utility model.

[0020] Figure 6 It is the right view of the utility model.

[0021] Figure 7 for Figure 4 Schematic diagram of the structure of the middle ferrule.

[0022] In the figure, 1 is a rotating shaft, 11 is a rotating disk, 111 is a first chuck, 112 is a second chuck, 12 is a first annular groove, 13 is a third annular groove, 14 is a shoulder, 2 is a first locking sleeve, 21 is a second annular groove, 22 is a first outward-expanding bayonet, 3 is a first steel ball, 4 is a second locking sleeve, 41 is a fourth annular groove, 42 is a second outward-expanding bayonet, 5 is a second steel ball, 6 is a third locking sleeve, 7 is a spring, 8 is an inner sleeve, 9 is a ferrule, 91 is an arc-shaped body, 92 is a first chuck, and 93 is a second chuck. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0024] like Figure 1-7 As shown, a rotating structure applied to an X-ray generator assembly comprises a rotating shaft 1, a rotating disk 11 is provided at one end of the rotating shaft 1, and an anode metal target is mounted on the rotating disk 11.

[0025] A first locking sleeve 2 is mounted on the rotating shaft 1, a first annular groove 12 is formed on the outer wall of the rotating shaft 1, the first annular groove 12 is coaxially arranged with the rotating shaft 1, the first annular groove 12 overlaps with the central axis of the rotating shaft 1, a second annular groove 21 is formed on the inner wall of the first locking sleeve 2, the second annular groove 21 is connected to the outer port of the first locking sleeve 2 via a first outward expansion bayonet 22, the second annular groove 21 is coaxially arranged with the rotating shaft 1, a plurality of first steel balls 3 are clamped between the first annular groove 12 and the second annular groove 21, and the first locking sleeve 2 is rotatable relative to the rotating shaft 1.

[0026] A second locking sleeve 4 is sleeved on the rotating shaft 1, a third annular groove 13 is opened on the outer wall of the rotating shaft 1, the third annular groove 13 is coaxially arranged with the rotating shaft 1, the third annular groove 13 overlaps with the central axis of the rotating shaft 1, a fourth annular groove 41 is opened on the inner wall of the second locking sleeve 4, the fourth annular groove 41 is connected to the outer port of the second locking sleeve 4 through a second outward expansion type bayonet 42, the fourth annular groove 41 is coaxially arranged with the rotating shaft 1, a plurality of second steel balls 5 are clamped between the third annular groove 13 and the fourth annular groove 41, and the second locking sleeve 4 is rotatable relative to the rotating shaft 1.

[0027] The rotating shaft 1 is sleeved with a third locking sleeve 6 and a spring 7 . An annular gap is left between the inner side wall of the third locking sleeve 6 and the rotating shaft 1 . The spring 7 is placed in the annular gap between the third locking sleeve 6 and the rotating shaft 1 .

[0028] An inner sleeve 8 is sleeved on the rotating shaft 1, and the inner sleeve 8 is placed between the third locking sleeve 6 and the rotating shaft 1. The inner sleeve 8 and the third locking sleeve 6 are clearance-matched, and the inner sleeve 8 and the rotating shaft 1 are clearance-matched. One end of the spring 7 is against the inner side of the end of the third locking sleeve 6, and the other end of the spring 7 is against the inner sleeve 8.

[0029] A clamping sleeve 9 is inserted on the rotating shaft 1, and the clamping sleeve 9 is placed between the second locking sleeve 4 and the third locking sleeve 6, and the inner sleeve 8 is placed between the spring 7 and the clamping sleeve 9. Under the elastic force of the spring 7, the inner sleeve 8, the clamping sleeve 9 and the second locking sleeve 4 are tightly pressed together.

[0030] The clamping sleeve 9 includes an arc-shaped main body 91, one end of the arc-shaped main body 91 is provided with a first clamping head 92, and the other end of the arc-shaped main body 91 is provided with a second clamping head 93, the first clamping head 92 and the second clamping head 93 are symmetrically arranged, and a bayonet is formed between the first clamping head 92 and the second clamping head 93, the arc-shaped main body 91 is clamped on the rotating shaft 1, and the clamping sleeve 9 eliminates the gap between the inner sleeve 8 and the second locking sleeve 4.

[0031] The turntable 11 includes a first chuck 111 and a second chuck 112 fixed to the first chuck 111. The diameter of the first chuck 111 is smaller than the diameter of the second chuck 112. The second chuck 112 is fixed to the rotating shaft 1. The first chuck 111 is fixed to the anode metal target. The rotating shaft 1 drives the turntable 11 and the anode metal target to rotate synchronously.

[0032] A shaft shoulder 14 is provided on the rotating shaft 1 , and the shaft shoulder 14 is placed in the second locking sleeve 4 . The shaft shoulder 14 limits the extreme operating position of the clamping sleeve 9 .

[0033] During the installation process, firstly apply a layer of butter lightly inside the first locking sleeve 2, insert the first locking sleeve 2 into the rotating shaft 1, and preliminarily position the multiple first steel balls 3 in the first annular groove 12 of the rotating shaft 1 through the butter, and gently push the first locking sleeve 2 toward the turntable 11. Under the action of the first outward-expanding bayonet 22, the inner diameter of the first outward-expanding bayonet 22 is slightly deformed, and the multiple first steel balls 3 are stuck between the first annular groove 12 and the second annular groove 21, thereby realizing the positioning of the multiple first steel balls 3. The third lock sleeve 6, spring 7 and inner sleeve 8 are sequentially mounted on the rotating shaft 1, and the spring 7 is placed between the third lock sleeve 6 and the inner sleeve 8; a layer of butter is lightly applied to the inside of the second lock sleeve 4, and the second lock sleeve 4 is mounted on the rotating shaft 1, with an adjustable interval between the second lock sleeve 4 and the third lock sleeve 6, and the second lock sleeve 4 is pushed to the left and pressed against the third lock sleeve 6, and multiple second steel balls 5 are preliminarily positioned in the third annular groove 13 of the rotating shaft 1 through butter, and the second lock sleeve 4 is gently pushed away from the rotating disk 11. Under the action of the second outward expansion bayonet 42, the inner diameter of the second outward expansion bayonet 42 is slightly deformed, and multiple second steel balls 5 are clamped between the third annular groove 13 and the fourth annular groove 41, so that multiple second steel balls 5 are positioned. The inner sleeve 8 is moved toward the rotating disk 11, and the inner sleeve 8 is completely placed in the third lock sleeve 6, and the clamping sleeve 9 is inserted between the second lock sleeve 4 and the third lock sleeve 6, and the clamping sleeve 9 is clamped on the rotating shaft 1, and the overall installation is completed.

[0034] Under the external elastic action of the spring 7, the inner sleeve 8, the clamping sleeve 9 and the second locking sleeve 4 are in close contact. When wear occurs between the second steel ball 5, the third annular groove 13 and the fourth annular groove 41, the second locking sleeve 4, the plurality of second steel balls 5 and the rotating shaft 1 can still be closely matched, and the friction between the first locking sleeve 2, the plurality of first steel balls 3 and the rotating shaft 1 is maintained, and the friction between the second locking sleeve 4, the plurality of second steel balls 5 and the rotating shaft 1 is also maintained, which greatly reduces the radial runout of the rotating shaft, enhances the use efficiency, enhances the quality of the X-ray image, and reduces the harm of useless radiation to the patient.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the scope of the present invention.

Claims

1. A rotating structure applied to an X-ray generator assembly, characterized in that: It comprises a rotating shaft (1), wherein a rotating disk (11) is provided at one end of the rotating shaft (1); The rotating shaft (1) is sleeved with a first locking sleeve (2); a first annular clamping groove (12) is formed on the outer wall of the rotating shaft (1); the first annular clamping groove (12) and the rotating shaft (1) are arranged coaxially; a second annular clamping groove (21) is formed on the inner wall of the first locking sleeve (2); the second annular clamping groove (21) and the outer end of the first locking sleeve (2) are connected via a first outwardly expanding clamping socket (22); the second annular clamping groove (21) and the rotating shaft (1) are arranged coaxially; and a plurality of first steel balls (3) are clamped between the first annular clamping groove (12) and the second annular clamping groove (21); The rotating shaft (1) is sleeved with a second locking sleeve (4); a third annular clamping groove (13) is formed on the outer wall of the rotating shaft (1); the third annular clamping groove (13) is coaxially arranged with the rotating shaft (1); a fourth annular clamping groove (41) is formed on the inner wall of the second locking sleeve (4); the fourth annular clamping groove (41) is connected to an outer end of the second locking sleeve (4) via a second outwardly expanding clamping socket (42); the fourth annular clamping groove (41) is coaxially arranged with the rotating shaft (1); and a plurality of second steel balls (5) are clamped between the third annular clamping groove (13) and the fourth annular clamping groove (41); The rotating shaft (1) is sleeved with a third locking sleeve (6) and a spring (7), and the spring (7) is placed between the third locking sleeve (6) and the rotating shaft (1); The rotating shaft (1) is sleeved with an inner sleeve (8), the inner sleeve (8) is placed between the third locking sleeve (6) and the rotating shaft (1), and the spring (7) is elastically pressed between the inner sleeve (8) and the end of the third locking sleeve (6); A clamping sleeve (9) is inserted into the rotating shaft (1), the clamping sleeve (9) is placed between the second locking sleeve (4) and the third locking sleeve (6), and the inner sleeve (8) is placed between the spring (7) and the clamping sleeve (9).

2. The rotating structure used in an X-ray generator assembly according to claim 1, characterized in that: The clamping sleeve (9) comprises an arc-shaped main body (91), one end of the arc-shaped main body (91) is provided with a first clamping head (92), and the other end of the arc-shaped main body (91) is provided with a second clamping head (93), the first clamping head (92) and the second clamping head (93) are arranged symmetrically, a clamping mouth is formed between the first clamping head (92) and the second clamping head (93), and the arc-shaped main body (91) is clamped on the rotating shaft (1).

3. The rotating structure used in an X-ray generator assembly according to claim 1, characterized in that: The rotating disk (11) comprises a first chuck (111) and a second chuck (112) fixed to the first chuck (111); the diameter of the first chuck (111) is smaller than the diameter of the second chuck (112); and the second chuck (112) is fixed to the rotating shaft (1).

4. The rotating structure used in an X-ray generator assembly according to claim 1, characterized in that: The rotating shaft (1) is provided with a shaft shoulder (14), and the shaft shoulder (14) is placed in the second locking sleeve (4).

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