CN215959812U - Head fixing device for ophthalmologic examination - Google Patents
Head fixing device for ophthalmologic examination Download PDFInfo
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- CN215959812U CN215959812U CN202121840336.0U CN202121840336U CN215959812U CN 215959812 U CN215959812 U CN 215959812U CN 202121840336 U CN202121840336 U CN 202121840336U CN 215959812 U CN215959812 U CN 215959812U
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- fixed table
- base
- fixed
- sliding
- face
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Abstract
The utility model discloses a head fixing device for ophthalmologic examination, which comprises a base, wherein the upper end surface of the base is provided with a fixed table a and a fixed table b, one side of the fixed table a and one side of the fixed table b are respectively provided with a fixed plate, one side of each fixed plate is provided with a slide rod, one end of each slide rod is provided with a guide block, one end of each guide block, which is far away from the slide rod, is provided with a return spring, the fixed table a and the fixed table b are respectively provided with two slide blocks, four connecting rods are respectively arranged between the fixed table a and the fixed table b and the four slide blocks, and one end of each slide block is provided with an adjusting spring. Avoiding accidental injury to users due to overlarge clamping force.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a head fixing device for ophthalmologic examination.
Background
The ophthalmology is called ophthalmology department, and is a discipline for researching diseases related to eyeballs and tissues related to the eyeballs, the ophthalmology generally researches various ophthalmology diseases such as vitreous bodies, retina diseases, ocular optics, glaucoma and optic neuropathy, cataract and the like, the general examination of the eyes comprises the examination of eye attachments and anterior segment of eyes, the examination of the eye attachments comprises the examination of eyelids, conjunctiva, lacrimal apparatus, positions of eyeballs and eyesockets, and in long-term clinical practice, the head is fixed in order to prevent patients from moving to hinder treatment or detection during the ophthalmology examination.
Traditional mode is tight fixed to inspector face about adopting usually, and the clamp force that is used in on inspector face can not obtain effectual control from this, and when the clamp force was too big, can cause the injury to inspector's face, and when the clamp force was too little, fixed effect was not obvious and lead to treatment or detection to reach good effect. In view of the above problems, a solution is proposed as follows.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a head fixing device for ophthalmologic examination, which has the advantage of automatically adjusting clamping force.
The technical purpose of the utility model is realized by the following technical scheme:
a head fixing device for ophthalmologic examination comprises a base, wherein a fixed table a and a fixed table b are arranged on the upper end face of the base, the fixed table b is fixedly connected with the base, the fixed table a is in sliding fit with the base, fixed plates are arranged on one sides of the fixed table a and the fixed table b, slide rods are arranged on one sides of the two fixed plates, grooves are formed in the fixed table a and the fixed table b, guide blocks are arranged at the top ends of the two grooves and are in sliding fit with the two grooves respectively, the two slide rods penetrate through one sides of the fixed table a and the fixed table b respectively and are fixedly connected with the two guide blocks respectively, a reset spring is arranged at one end, away from the slide rods, of each guide block, the other end of each reset spring is fixedly connected with the bottom of the two grooves respectively, and two guide grooves are symmetrically arranged on one sides of the fixed table a and the fixed table b respectively, all be provided with the slider in the guide slot, fixed station an and fixed station b respectively with four sliders between be equipped with four connecting rods, and the both ends of four connecting rods respectively with four sliders and fixed station a and fixed station b between articulated, four the one end of slider all is provided with adjusting spring, and four adjusting spring's the other end respectively with the bottom fixed connection of four guide slots, install the layer board on the up end of base.
Preferably, a cavity is formed in the base, a threaded rod is arranged in the cavity and is in running fit with the base, a small motor is installed on one side of the base, an output shaft of the small motor penetrates through one end of the base and is fixedly connected with one end of the threaded rod, a threaded sleeve is arranged on the threaded rod in a penetrating mode and is in threaded fit with the threaded rod, a sliding groove is formed in the upper end face of the base, the upper end of the threaded sleeve is located in the sliding groove and is in sliding fit with the sliding groove, and the upper end of the threaded sleeve is fixedly connected with the lower end face of the fixed table a.
Preferably, one end of each of the two fixing plates is provided with an arc-shaped groove, and arc-shaped sponges are fixedly arranged on the surfaces of the arc-shaped grooves.
Preferably, the upper end surface of the base is symmetrically provided with two handles, and the two handles are both sleeved with anti-skidding sleeves.
Preferably, the upper end of the base is fixedly provided with a limiting block, and the limiting block is positioned between the fixed platform a and the supporting plate.
The utility model has the beneficial effects that: when a human face is clamped between the two fixing plates, the two fixing plates have reverse acting force of the face, so that the two fixing plates respectively press the two sliding rods, meanwhile, the two sliding rods respectively drive the two guide blocks to slide in the two grooves, so that the two reset springs are both extruded, the two reset springs generate elastic force, the uniform elastic force of the two reset springs respectively acts on the two fixing plates, the force of the two fixing plates acting on the human face keeps being adjusted to a certain value, therefore, the force clamped on the human face is not too large to cause accidental injury to a user, when the two fixing plates respectively press the two sliding rods to slide inwards, the two fixing plates, the fixing table a and the fixing table b are gradually reduced, therefore, the four connecting rods at the two ends of the fixing table a and the fixing table b respectively rotate around the hinged parts and then respectively separate outwards, and simultaneously drive the four sliding blocks to respectively slide in the four guide grooves, when four sliders slide in the spout respectively, four regulating springs can receive the extrusion respectively and produce elasticity, four regulating springs's elasticity can be respectively with the effort dispersion at fixed station an and fixed station b both ends, make the effort on fixed station an and the fixed station b remain invariable throughout, consequently also can guarantee that two fixed plates are used in the power on the people's face and keep the constant value, thereby make the power of pressing from both sides tight on the people's face all with, and the people's face can not swing, also avoided the clamp force too big and cause the accidental injury to the user.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Reference numerals: 1. a base; 2. a fixed table a; 3. a fixed table b; 4. a fixing plate; 5. a slide bar; 6. a guide block; 7. a return spring; 8. a slider; 9. a connecting rod; 10. adjusting the spring; 11. a support plate; 12. a threaded rod; 13. a small-sized motor; 14. a threaded sleeve; 15. an arc-shaped slot; 16. an arc-shaped sponge; 17. a handle; 18. an anti-slip sleeve; 19. and a limiting block.
Detailed Description
The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model.
As shown in fig. 1, a head fixing device for ophthalmologic examination, which comprises a base 1, a supporting plate 11 is installed on the upper end surface of the base 1, the supporting plate 11 can support the chin of an examinee, a fixing table a2 and a fixing table b3 are arranged on the upper end surface of the base 1, a fixing table b3 is fixedly connected with the base 1, a fixing table a2 is in sliding fit with the base 1, a cavity is formed in the base 1, a threaded rod 12 is formed in the cavity, a small motor 13 is installed on one side of the base 1, an output shaft of the small motor 13 penetrates through one end of the base 1 and is fixedly connected with one end of the threaded rod 12, the examinee moves the head onto the base 1, so that the chin is placed on the supporting plate 11, then the small motor 13 is started, and the small motor 13 rotates to drive the threaded rod 12 to rotate. Threaded sleeve 14 passes through on the threaded rod 12, the spout has been seted up to the up end of base 1, the upper end of threaded sleeve 14 is located the spout, the up end of threaded sleeve 14 and the lower terminal surface fixed connection of fixed station a2, threaded rod 12 rotates simultaneously, because the screw thread intermeshing between threaded rod 12 and the threaded sleeve 14, therefore threaded rod 12 rotation can drive threaded sleeve 14 and be close to fixed station b3 and remove gradually in the spout, and meanwhile fixed station a2 is close to fixed station b3 gradually.
The fixing plates 4 are provided on both sides of the fixing table a2 and the fixing table b3, and when the fixing table a2 gradually approaches the fixing table b3, the cheeks of the examiner are held between the fixing plates 4. One side of two fixed plates 4 all is provided with slide bar 5, all be equipped with the recess in fixed station a2 and the fixed station b3, the top of two recesses all is provided with guide block 6, one side of fixed station a2 and fixed station b3 is worn to establish respectively by two slide bar 5, and respectively with two guide block 6 fixed connection, fixed station a2 continues to be close to one section distance of fixed station b3 afterwards, small motor 13 stop function, now because the centre gripping has examiner's face between two fixed plates 4, the reverse effort that can have the face on two fixed plates 4, make two fixed plates 4 press two slide bar 5 respectively, meanwhile two slide bar 5 can drive two guide block 6 respectively and slide in two recesses. Reset spring 7 is all installed to the one end that slide bar 5 was kept away from to two guide blocks 6, and the other end of two reset springs 7 respectively with the bottom fixed connection of two recesses, when two guide blocks 6 slide respectively in two recesses, can make two reset springs 7 all receive the extrusion, consequently make two reset springs 7 all produce elasticity, consequently, two even elasticity of reset spring 7 is used in two fixed plates 4 respectively, make two fixed plates 4 be used in the power on the people's face and keep adjusting a definite value, make the power of pressing from both sides tightly on the people's face can not too big and cause the accidental injury to the user.
One side of the fixed station a2 and one side of the fixed station b3 are symmetrically provided with two guide grooves respectively, the two guide grooves are internally provided with sliders 8, four connecting rods 9 are arranged between the fixed station a2 and the fixed station b3 and the four sliders 8 and between the fixed station a2 and the fixed station b3 respectively, and two ends of the four connecting rods 9 are hinged with the four sliders 8 and between the fixed station a2 and the fixed station b3 respectively, when the two fixed plates 4 press the two sliders 5 to slide inwards respectively, the two fixed plates 4, the fixed station a2 and the fixed station b3 become smaller gradually at the moment, so that the four connecting rods 9 at two ends of the fixed station a2 and the fixed station b3 rotate around the hinged parts respectively and then are separated outwards respectively, and simultaneously drive the four sliders 8 to slide in the four guide grooves respectively. Four slider 8's one end all is provided with adjusting spring 10, and four adjusting spring 10's the other end respectively with the bottom fixed connection of four guide slots, when four slider 8 slide in the spout respectively, four adjusting spring 10 can receive the extrusion respectively and produce elasticity, four adjusting spring 10's elasticity can disperse the effort at fixed station a2 and fixed station b3 both ends respectively, make the effort on fixed station a2 and the fixed station b3 remain invariable all the time, consequently also can guarantee that two fixed plates 4 are used in the power of people on the face and keep the constant value, thereby make the power of pressing from both sides tight on the face all with, and the face can not swing, also avoided the clamp force too big and led to the fact the accidental injury to the user.
The one end of two fixed plates 4 all is equipped with arc wall 15, and arc sponge 16 has all been set firmly on the surface of arc wall 15, and the laminating face that two arc wall 15 can be better for the area of contact increase of face and fixed plate 4, consequently more efficient is with the people's face centre gripping between two fixed plates 4, and arc sponge 16 can play the effect of protection to the face, prevents fixed plate 4 and people's face direct contact friction and receives the injury.
Two handles 17 are installed to the up end symmetry of base 1, all overlap on two handles 17 to be equipped with anti-skidding cover 18, and two handles 17 can play the effect that the hand supported for the inspector, and the going on of the inspection work of being convenient for, anti-skidding cover 18 can prevent to take place to skid between inspector hand and the handle 17. The upper end of base 1 sets firmly has stopper 19, and stopper 19 is located between fixed station a2 and layer board 11, and stopper 19 can play spacing effect to fixed station a2, prevents that two fixed plates 4 direct impact from causing the damage of equipment.
Claims (5)
1. The head fixing device for ophthalmologic examination comprises a base (1) and is characterized in that a fixed table a (2) and a fixed table b (3) are arranged on the upper end face of the base (1), the fixed table b (3) is fixedly connected with the base (1), the fixed table a (2) is in sliding fit with the base (1), a fixed plate (4) is arranged on one side of each of the fixed table a (2) and the fixed table b (3), a sliding rod (5) is arranged on one side of each of the two fixed plates (4), grooves are formed in the fixed table a (2) and the fixed table b (3), guide blocks (6) are arranged at the top ends of the two grooves, the two guide blocks (6) are in sliding fit with the two grooves respectively, the two sliding rods (5) penetrate through one side of the fixed table a (2) and one side of the fixed table b (3) respectively and are fixedly connected with the two guide blocks (6) respectively, one ends of the two guide blocks (6) far away from the sliding rod (5) are respectively provided with a return spring (7), and the other ends of the two return springs (7) are respectively fixedly connected with the bottoms of the two grooves, one side of the fixed table a (2) and one side of the fixed table b (3) are respectively and symmetrically provided with two guide grooves, slide blocks (8) are arranged in the two guide grooves, four connecting rods (9) are respectively arranged between the fixed table a (2) and the fixed table b (3) and the four sliding blocks (8), two ends of four connecting rods (9) are respectively hinged with four sliding blocks (8), a fixed table a (2) and a fixed table b (3), one end of each of the four sliding blocks (8) is provided with an adjusting spring (10), and the other ends of the four adjusting springs (10) are respectively fixedly connected with the bottom ends of the four guide grooves, and a supporting plate (11) is installed on the upper end face of the base (1).
2. The head fixing device for the ophthalmologic examination according to claim 1, characterized in that a cavity is arranged in the base (1), a threaded rod (12) is arranged in the cavity, the threaded rod (12) is rotatably matched with the base (1), a small motor (13) is installed on one side of the base (1), an output shaft of the small motor (13) penetrates through one end of the base (1) and is fixedly connected with one end of the threaded rod (12), a threaded sleeve (14) penetrates through the threaded rod (12), the threaded sleeve (14) is in threaded fit with the threaded rod (12), a sliding groove is formed in the upper end face of the base (1), the upper end of the threaded sleeve (14) is located in the sliding groove and is in sliding fit with the sliding groove, and the upper end of the threaded sleeve (14) is fixedly connected with the lower end face of the fixing table a (2).
3. The head fixing device for ophthalmologic examination according to claim 2, wherein the fixing plates (4) are provided with an arc-shaped groove (15) at one end, and an arc-shaped sponge (16) is fixed on the surface of the arc-shaped groove (15).
4. The head fixing device for ophthalmologic examination according to claim 3, wherein two handles (17) are symmetrically installed on the upper end face of the base (1), and an anti-slip sleeve (18) is sleeved on each of the two handles (17).
5. The head fixing device for ophthalmologic examination according to claim 4, wherein a stopper (19) is fixedly arranged at the upper end of the base (1), and the stopper (19) is located between the fixing table a (2) and the supporting plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121840336.0U CN215959812U (en) | 2021-08-06 | 2021-08-06 | Head fixing device for ophthalmologic examination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121840336.0U CN215959812U (en) | 2021-08-06 | 2021-08-06 | Head fixing device for ophthalmologic examination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215959812U true CN215959812U (en) | 2022-03-08 |
Family
ID=80514223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121840336.0U Expired - Fee Related CN215959812U (en) | 2021-08-06 | 2021-08-06 | Head fixing device for ophthalmologic examination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215959812U (en) |
-
2021
- 2021-08-06 CN CN202121840336.0U patent/CN215959812U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220309 Address after: 312000 No. 101, Qiujin Road, golden triangle, Fuquan street, Keqiao District, Shaoxing City, Zhejiang Province Patentee after: Fuquan branch of Shaoxing second hospital medical community (community health service center of Fuquan street, Keqiao District, Shaoxing, maternal and child health and family planning service station of Fuquan street, Keqiao District, Shaoxing) Address before: 312000 No.141 Yan'an Road, Yuecheng District, Shaoxing City, Zhejiang Province Patentee before: SHAOXING SECOND HOSPITAL GENERAL HOSPITAL (SHAOXING SECOND Hospital) |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |