CN219594633U - Adjustable head fixing assembly - Google Patents

Abstract

The utility model relates to the field of head fixing assemblies and discloses an adjustable head fixing assembly which comprises a supporting seat and a supporting frame, wherein the supporting frame is fixedly arranged at the bottom end of the supporting seat, a moving groove is formed in the supporting seat and positioned at the supporting frame, a base plate is fixedly arranged at the central position of the moving groove, a groove is formed in the top end of the supporting frame, two movable moving blocks are arranged in the groove, a pushing block for pushing the moving blocks to move is arranged between the two moving blocks, a sliding structure is arranged between the moving blocks and the pushing block, a supporting column is fixedly arranged at the top end of the moving block, the supporting column penetrates through the supporting seat and extends to the top end of the moving groove, a clamping piece for clamping a head is arranged at the inner side of the supporting column, a sliding block for driving the clamping piece to move up and down is connected to the inside of the supporting column, and a lifting structure is arranged inside the supporting column.

Description

Adjustable head fixing assembly

Technical Field

The utility model relates to the field of head fixing assemblies, in particular to an adjustable head fixing assembly.

Background

CT is a fully functional disease detection instrument, which is an abbreviation of electronic computer X-ray tomography. Scanners used in Computed Axial Tomography (CAT) can generate X-rays, which are powerful electromagnetic energy, photons of the X-rays are basically the same as photons of common visible light, but they carry more energy, and the higher energy level can enable the X-rays to directly pass through most soft tissues of a human body, so that when CT scanning is performed, the head of a patient needs to be fixed, but the current head fixation needs to be manually bound by medical staff, which is very troublesome, and discomfort or poor fixing effect of the patient caused by different tightness of binding in and out, therefore, we propose an adjustable head fixation assembly.

Disclosure of Invention

(one) solving the technical problems

In view of the shortcomings of the prior art, the present utility model provides an adjustable head fixation assembly that solves the problems described above.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an adjustable head fixed subassembly, includes supporting seat and support frame, support frame fixed mounting is in the bottom department of supporting seat, the movable groove has been seted up to the position that is located the support frame on the supporting seat, the central point department fixed mounting in movable groove has the backing plate, the recess has been seted up on the top of support frame, be provided with two mobilizable movable blocks in the recess, be provided with the ejector pad that promotes the movable block and remove between two movable blocks, be provided with sliding structure between movable block and the ejector pad, the top fixed mounting of movable block has the support column, the support column runs through the supporting seat and extends in the top department of movable groove, the inboard of support column is provided with the holder of centre gripping head, the inside sliding connection of support column has the slider of drive holder reciprocates, the inside of support column is provided with elevation structure.

Preferably, the bottom fixed mounting of support frame has the cylinder, the output of cylinder runs through the recess and fixed mounting in the bottom department of ejector pad.

Preferably, the cross section of the movable block is a right trapezoid, the cross section of the pushing block is an isosceles trapezoid, and the inclined plane of the contact end of the movable block and the pushing block is identical.

Preferably, the sliding structure comprises a first sliding strip and a second sliding strip, wherein the first sliding strip is arranged on two sides of the upper end of the groove, the first sliding strips are fixedly arranged on two sides of the moving block respectively, the first sliding strips are in sliding connection with the first sliding strip, the second sliding strips are fixedly arranged on inclined planes on two sides of the pushing block, the second sliding strip is arranged at the position of the moving block corresponding to the second sliding strip, the second sliding strip is in sliding connection with the second sliding strip, and the cross sections of the second sliding strip and the second sliding strip are trapezoidal.

Preferably, the inside of support column is hollow structure, the spacing groove has been seted up to one side that the support column is close to the holder, fixedly connected with connecting rod between slider and the holder, and connecting rod sliding connection in the spacing inslot, the inside bonding of holder has the sponge.

Preferably, the lifting structure comprises a screw rod, a motor is fixedly arranged at the top end of the supporting column, the output end of the motor penetrates through the supporting column and is fixedly connected with the screw rod, two ends of the screw rod are movably connected to the upper side and the lower side of the inside of the supporting column, and the sliding block is in threaded rotation connection with the screw rod.

Preferably, a supporting rod is fixedly arranged in the supporting column at one side of the screw rod far away from the clamping piece, and the sliding block is connected to the supporting rod in a sliding manner.

(III) beneficial effects

Compared with the prior art, the utility model provides an adjustable head fixing assembly, which has the following beneficial effects:

this adjustable head fixed subassembly through cylinder pulling ejector pad down movement or promote ejector pad upward movement for the ejector pad moves and promotes two movable blocks in getting into and change its distance between, thereby make two holders carry out nimble clamping distance of adjusting according to patient's head diameter, through slide one and slide two in spout one and spout two interior stability that improves the holder and remove, need not manual regulation distance between the holder, can nimble distance to the centre gripping is most comfortable according to the diameter of patient's head, the motor drives the lead screw and rotates, make slider slip on the lead screw drive the holder adjust suitable clamping height, improve the comfort level of centre gripping patient's head through the sponge, make the patient before carrying out CT scanning, can adjust the distance and the height of centre gripping patient's head, make the patient more comfortable in the follow-up inspection.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a sliding structure according to the present utility model;

FIG. 3 is a schematic diagram of a second slide bar and a second slide slot according to the present utility model;

fig. 4 is a schematic view of a lifting structure according to the present utility model.

In the figure: 1. a support base; 2. a support frame; 3. a moving groove; 4. a moving block; 5. a pushing block; 6. a cylinder; 7. a groove; 8. a first slide bar; 9. a first chute; 10. a second slide bar; 11. a second chute; 12. a backing plate; 13. a support column; 14. a clamping member; 15. a sponge; 16. a connecting rod; 17. a limit groove; 18. a motor; 19. a screw rod; 20. a support rod; 21. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an adjustable head fixing assembly comprises a supporting seat 1 and a supporting frame 2, wherein the supporting frame 2 is fixedly installed at the bottom end of the supporting seat 1, a moving groove 3 is formed in the supporting seat 1 and located at the position of the supporting frame 2, a base plate 12 is fixedly installed at the central position of the moving groove 3, a groove 7 is formed in the top end of the supporting frame 2, two movable moving blocks 4 are arranged in the groove 7, a pushing block 5 for pushing the moving blocks 4 to move is arranged between the two moving blocks 4, a sliding structure is arranged between the moving blocks 4 and the pushing block 5, a supporting column 13 is fixedly installed at the top end of the moving block 4, the supporting column 13 penetrates through the supporting seat 1 and extends to the top end of the moving groove 3, a clamping piece 14 for clamping the head is arranged at the inner side of the supporting column 13, a sliding block 21 for driving the clamping piece 14 to move up and down is connected to the inner side of the supporting column 13, and a lifting structure is arranged in the supporting column 13.

Further, the bottom end of the supporting frame 2 is fixedly provided with an air cylinder 6, the output end of the air cylinder 6 penetrates through the groove 7 and is fixedly arranged at the bottom end of the pushing block 5, the pushing block 5 is pulled to move downwards or pushed to move upwards by the air cylinder 6, and the pushing block 5 moves to push the two moving blocks 4 to change the distance between the two moving blocks.

Further, the cross section of the movable block 4 is right trapezoid, the cross section of the push block 5 is isosceles trapezoid, the inclined planes of the contact ends of the movable block 4 and the push block 5 are identical, and the movable block 5 is always attached to the inclined planes of the movable block 4 in the moving process through the attachment of the inclined planes, so that the distance between the two movable blocks 4 is better adjusted.

Further, the sliding structure comprises a first sliding strip 8 and a second sliding strip 10, the first sliding grooves 9 are formed in two sides of the upper end of the groove 7, the first sliding strips 8 are fixedly installed on two sides of the moving block 4 respectively, the first sliding strips 8 are in sliding connection with the first sliding grooves 9, the second sliding strips 10 are fixedly installed on two inclined surfaces of the pushing block 5, the second sliding grooves 11 are formed in the positions, corresponding to the second sliding strips 10, of the moving block 4, the second sliding strips 10 are in sliding connection with the second sliding grooves 11, the cross sections of the second sliding strips 10 and the second sliding grooves 11 are trapezoidal, contact surfaces of the second sliding strips 10 in the sliding process of the upper ends and the lower ends are increased, and therefore friction force of the second sliding strips 10 is improved.

Further, the inside of support column 13 is hollow structure, and spacing groove 17 has been seted up to one side that support column 13 is close to holder 14, fixedly connected with connecting rod 16 between slider 21 and the holder 14, and connecting rod 16 sliding connection in spacing groove 17, and the inside bonding of holder 14 has sponge 15, and one side of sponge 15 is convex for the centre gripping patient's head is more comfortable.

Further, the lifting structure comprises a screw rod 19, a motor 18 is fixedly installed at the top end of the supporting column 13, the output end of the motor 18 penetrates through the supporting column 13 and is fixedly connected with the screw rod 19, two ends of the screw rod 19 are movably connected to the upper side and the lower side of the inside of the supporting column 13, a sliding block 21 is in threaded rotation connection with the screw rod 19, the motor 18 drives the screw rod 19 to rotate, the sliding block 21 on the screw rod 19 slides to drive the clamping piece 14 to be adjusted to a proper clamping height, and comfort level of the head of a clamping patient is improved through the sponge 15.

Further, a supporting rod 20 is fixedly installed in the supporting column 13 at one side, far away from the clamping piece 14, of the screw rod 19, and the sliding block 21 is slidably connected to the supporting rod 20, so that the sliding block 21 can slide up and down more stably through the supporting rod 20.

Working principle: the patient's head is put on backing plate 12 flatly, start cylinder 6, through cylinder 6 pulling ejector pad 5 down move or promote ejector pad 5 upward movement, make ejector pad 5 move and push two movable blocks 4 in the middle of becoming and change the distance between them, thereby make two holders 14 carry out nimble regulation according to patient's head diameter and hold the most comfortable centre gripping distance, slide the stability that improves holder 14 removal through slide 8 and slide 10 are located spout one 9 and spout two 11, when the height of holder 14 needs to be adjusted, start motor 18, motor 18 drives lead screw 19 and rotates, make slider 21 on the lead screw 19 slide and drive holder 14 and adjust to suitable centre gripping height, improve the comfort level of centre gripping patient's head through sponge 15.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an adjustable head fixed subassembly, includes supporting seat (1) and support frame (2), its characterized in that: support frame (2) fixed mounting is in the bottom department of supporting seat (1), movable groove (3) have been seted up to the position that is located support frame (2) on supporting seat (1), the central point department fixed mounting of movable groove (3) has backing plate (12), recess (7) have been seted up on the top of support frame (2), be provided with two mobilizable movable blocks (4) in recess (7), be provided with ejector pad (5) that promote movable block (4) to remove between two movable blocks (4), be provided with sliding structure between movable block (4) and ejector pad (5), the top fixed mounting of movable block (4) has support column (13), support column (13) run through supporting seat (1) and extend in the top department of movable groove (3), the inboard of support column (13) is provided with clamping piece (14) of centre gripping head, the inside sliding connection of support column (13) has slider (21) that drive clamping piece (14) reciprocated, the inside of support column (13) is provided with elevation structure.

2. An adjustable head restraint assembly according to claim 1, wherein: the bottom fixed mounting of support frame (2) has cylinder (6), the output of cylinder (6) runs through recess (7) and fixed mounting in the bottom department of ejector pad (5).

3. An adjustable head restraint assembly according to claim 1, wherein: the cross section of the moving block (4) is in a right trapezoid shape, the cross section of the pushing block (5) is in an isosceles trapezoid shape, and the inclined planes of the contact ends of the moving block (4) and the pushing block (5) are identical.

4. An adjustable head restraint assembly according to claim 1, wherein: the sliding structure comprises a first sliding strip (8) and a second sliding strip (10), wherein sliding grooves (9) are formed in two sides of the upper end of the groove (7), the first sliding strips (8) are fixedly arranged on two sides of the moving block (4) respectively, the first sliding strips (8) are in sliding connection with the first sliding grooves (9), sliding strips (10) are fixedly arranged on inclined planes on two sides of the pushing block (5), sliding grooves (11) are formed in the positions, corresponding to the second sliding strips (10), of the moving block (4), the second sliding strips (10) are in sliding connection with the second sliding grooves (11), and the cross sections of the second sliding strips (10) and the second sliding grooves (11) are trapezoidal.

5. An adjustable head restraint assembly according to claim 1, wherein: the inside of support column (13) is hollow structure, spacing groove (17) have been seted up to one side that support column (13) are close to holder (14), fixedly connected with connecting rod (16) between slider (21) and holder (14), and connecting rod (16) sliding connection in spacing groove (17), the inside of holder (14) bonds there is sponge (15).

6. An adjustable head restraint assembly according to claim 1, wherein: the lifting structure comprises a screw rod (19), a motor (18) is fixedly arranged at the top end of the supporting column (13), the output end of the motor (18) penetrates through the supporting column (13) and is fixedly connected with the screw rod (19), two ends of the screw rod (19) are movably connected to the upper side and the lower side of the inside of the supporting column (13), and a sliding block (21) is in threaded rotation connection with the screw rod (19).

7. An adjustable head restraint assembly as defined in claim 6, wherein: the support column (13) is internally provided with a support rod (20) at one side of the screw rod (19) far away from the clamping piece (14), and the sliding block (21) is connected to the support rod (20) in a sliding manner.