CN218684342U - Left-right homodromous linkage device of forehead support and mandible support for perimeter - Google Patents
Left-right homodromous linkage device of forehead support and mandible support for perimeter Download PDFInfo
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- CN218684342U CN218684342U CN202123372927.2U CN202123372927U CN218684342U CN 218684342 U CN218684342 U CN 218684342U CN 202123372927 U CN202123372927 U CN 202123372927U CN 218684342 U CN218684342 U CN 218684342U
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Abstract
The utility model discloses a field of vision meter holds in palm syntropy aggregate unit with controlling that lower jaw held in the palm, the load simulator comprises a case, the machine case has the inspection hole, the upper end and the lower extreme of inspection hole are provided with the volume respectively and hold in the palm with the lower jaw, the machine incasement is installed and is used for driving the lower jaw to hold in the palm the mobile location device that removes, the inboard upper end fixed mounting of machine case has the volume to hold in the palm the mounting panel, the volume holds in the palm the mounting panel and has the spout, fixed mounting has the guide bar in the spout, sliding fit has the slider on the guide bar, the one end and the volume of slider hold in the palm fixed connection, the slider passes through the link gear and holds in the palm the mobile location device with the lower jaw and be connected. The device has simple structure, convenient adjustment and low cost.
Description
Technical Field
The utility model relates to a computer perimeter technical field especially relates to a perimeter is held in the palm with the left and right syntropy aggregate unit that lower jaw held in the palm with the forehead.
Background
When utilizing computer perimeter to inspect patient's glasses pathological change, need utilize forehead to hold in the palm and the lower jaw holds in the palm the forehead and the lower jaw of patient and fix a position and adjust, current structure is complicated, needs to hold in the palm respectively to forehead and lower jaw and holds in the palm and adjust, is difficult to guarantee after the adjustment that forehead holds in the palm and lower jaw hold in the palm just right, needs continuous adjustment, seriously influences detection efficiency, and the structure is complicated moreover, is not convenient for overhaul and maintain.
Disclosure of Invention
To the not enough of above-mentioned prior art, the technical problem that this patent application will solve provides a simple structure, the adjustment of being convenient for, with low costs, the sight gauge of easy access and maintenance is with controlling syntropy aggregate unit of forehead support and mandible support.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a forehead support and lower jaw support left and right homodromous linkage device for a perimeter comprises a case, wherein the case is provided with a detection hole, the upper end and the lower end of the detection hole are respectively provided with a forehead support and a lower jaw support, a lower jaw support moving and positioning device used for driving the lower jaw support to move is installed in the case, a forehead support installation plate is fixedly installed at the upper end of the inner side of the case, the forehead support installation plate is provided with a sliding groove, a guide rod is fixedly installed in the sliding groove, a sliding block is matched on the guide rod in a sliding mode, one end of the sliding block is fixedly connected with the forehead support, and the sliding block is connected with the lower jaw support moving and positioning device through a linkage mechanism.
Wherein, be provided with the holding tank on the volume of going up holds in the palm the mounting panel, the guide bar is located the holding tank, fixed mounting has the shrouding on the volume of going up holds in the palm the mounting panel, the shrouding is just setting up the opening of holding tank.
The lower jaw support moving and positioning device comprises a mounting plate, a main frame, a lower jaw support mounting plate, a shielding plate and a left-right moving main substrate; the lower jaw support is fixedly arranged on the lower jaw support mounting plate; the main frame is fixedly arranged on the mounting plate, a transverse optical axis is fixedly arranged on the main frame, one side of the left-right moving main substrate is connected with the transverse optical axis through a left-right moving structure, and a left-right moving mechanism for driving the left-right moving main substrate to move along the transverse optical axis is further arranged on the main frame; the upper end of the left and right moving main base plate is fixedly connected with the shielding plate, the main frame is fixedly provided with a vertical optical axis, the lower jaw support mounting plate is connected with the vertical optical axis through a vertical moving structure, and the left and right moving main base plate is also provided with a vertical moving mechanism for driving the lower jaw support mounting plate to move along the vertical optical axis; the linkage mechanism comprises a first lug fixedly mounted on the sliding block and a second lug fixedly mounted on the forehead plate, the linkage mechanism further comprises a pull rope, one end of the pull rope penetrates through the second lug and is fixedly connected with the first lug, the other end of the pull rope is fixedly connected with the vertical moving mechanism, and a compression spring is sleeved on a part of the pull rope, which is located between the first lug and the second lug.
The left-right moving structure comprises a transverse linear bearing, the transverse linear bearing is sleeved on the outer side of the transverse optical axis, and the transverse linear bearing is fixedly connected with the left-right moving main substrate through a left-right moving bearing pressing plate.
The optical axis comprises two transverse optical axes, and two transverse linear bearings are matched on the transverse optical axes.
The transverse moving mechanism comprises a transverse stepping motor fixedly mounted on the outer side of the main frame, an output shaft of the transverse stepping motor is fixedly connected with a left-right moving screw rod, a transverse moving nut is screwed on the left-right moving screw rod and matched with the left-right moving screw rod, and the transverse moving nut is fixedly connected with a left-right moving main substrate through a transverse nut linkage connecting block.
The vertical moving structure comprises a vertical linear bearing, the vertical linear bearing is sleeved on the outer side of the vertical optical axis, and the vertical moving bearing is fixedly connected with the lower jaw support mounting plate through an upper clamping plate and a lower clamping plate.
Wherein, vertical optical axis is provided with two.
The vertical moving mechanism comprises a vertical stepping motor which is fixedly installed on a left-right moving main base plate through a motor installation plate, the motor installation plate is fixedly connected with the left-right moving main base plate through a motor installation column, an inhaul cable is fixedly connected with the motor installation column, an output shaft of the vertical stepping motor is fixedly connected with an up-down moving screw rod, a vertical moving nut is screwed on the up-down moving screw rod and matched with the up-down moving screw rod, and the vertical moving nut is fixedly connected with a lower jaw support installation plate through a vertical nut linkage connection block.
In summary, the left and right homodromous linkage device of the forehead support and the mandible support for the perimeter gauge has the advantages of simple structure, convenient adjustment, low cost and convenient maintenance and repair.
Drawings
Fig. 1 is an axonometric view of the left and right homodromous linkage device of the forehead support and the mandible support for the perimeter.
Fig. 2 is a rear view of fig. 1, wherein the mounting plate, the main substrate moving left and right, are not shown.
Fig. 3 is an enlarged view of fig. 2 at a.
Fig. 4 is an enlarged view of fig. 2 at B.
Fig. 5 is an isometric view of the mandibular rest movement positioning device.
Fig. 6 is a rear view of fig. 5.
Fig. 7 is a schematic view of a side-to-side mechanism.
Fig. 8 is a schematic view of the vertical moving mechanism.
Fig. 9 is an isometric view of a shutter.
Fig. 10 is an isometric view of the master substrate moving left and right.
FIG. 11 is an isometric view of the main frame.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1 to 11, a linkage device for the forehead support and the mandible support in the left and right directions for a perimeter of a sight, which comprises a case 100, wherein the case has a detection hole 101, the upper end and the lower end of the detection hole are respectively provided with a forehead support 102 and a mandible support 3, a mandible support moving and positioning device for driving the mandible support to move is installed in the case, a forehead support installation plate 103 is fixedly installed at the upper end of the inner side of the case, the forehead support installation plate has a sliding groove, a guide rod 104 is fixedly installed in the sliding groove, a slide block 105 is slidably matched on the guide rod, one end of the slide block is fixedly connected with the forehead support, and the slide block is connected with the mandible support moving and positioning device through a linkage mechanism.
Like this, the patient is with forehead butt forehead plate, then holds in the palm the height that mobile positioning device adjusted the lower jaw held in the palm through the lower jaw for lower jaw butt lower jaw plate when patient's forehead butt forehead plate, later hold in the palm mobile positioning device and link gear through the lower jaw, realize the synchronous motion about forehead plate and lower jaw plate, the position of adjustment patient's head. The forehead plate and the lower jaw plate move left and right simultaneously, the moving range is the same, quick adjustment can be realized, and the detection efficiency is improved.
Wherein, be provided with the holding tank on the installation board is held in the palm to the volume of going up, the guide bar is located the holding tank, fixed mounting has shrouding 106 on the installation board is held in the palm to the volume of going up, the shrouding is just setting up the opening of holding tank. The guide rod is convenient to install.
The mandibular support moving and positioning device comprises a mounting plate 1, a main frame 2, a mandibular support 3, a mandibular support mounting plate 4, a shielding plate 5 and a left-right moving main substrate 6; the lower jaw support is fixedly arranged on the lower jaw support mounting plate; the main frame is fixedly arranged on the mounting plate, a transverse optical axis 7 is fixedly arranged on the main frame, one side of the left-right moving main substrate is connected with the transverse optical axis through a left-right moving structure, and a left-right moving mechanism for driving the left-right moving main substrate to move along the transverse optical axis is further arranged on the main frame; the baffle plate is fixedly connected with the upper end of the left-right moving main substrate, the main frame is fixedly provided with a vertical optical axis 8, the mandible support mounting plate is connected with the vertical optical axis through a vertical moving structure, and the left-right moving main substrate is also provided with a vertical moving mechanism for driving the mandible support mounting plate to move along the vertical optical axis; the linkage mechanism comprises a first lug 107 fixedly mounted on the sliding block and a second lug 108 fixedly mounted on the upper forehead plate, and further comprises a guy cable 109, one end of the guy cable penetrates through the second lug and is fixedly connected with the first lug, the other end of the guy cable is fixedly connected with the vertical moving mechanism, and a compression spring 110 is sleeved on the part of the guy cable between the first lug and the second lug.
Like this, the patient places the lower jaw on the lower jaw holds in the palm, moves about the mechanism drives the lower jaw support through removing, and vertical moving mechanism drives the lower jaw and holds in the palm vertical removal, adjusts the position that the lower jaw held in the palm. The horizontal optical axis and the vertical optical axis are arranged to guide the movement of the left-right moving main substrate and the lower jaw support mounting plate, and meanwhile, the installation effect is achieved. When the main baseplate moves leftwards and rightwards, the vertical moving mechanism synchronously moves leftwards and pulls the stay cable, so that the stay cable pulls the sliding block to move leftwards, and the synchronous movement of the forehead plate and the mandible plate is realized.
Specifically, the case is internally provided with a stay rope limiting block, so that the stay rope is prevented from influencing the detection sight.
The left-right moving structure comprises a transverse linear bearing 9 which is sleeved outside a transverse optical axis, and the transverse linear bearing is fixedly connected with a left-right moving main substrate through a left-right moving bearing pressing plate 10. And the transverse linear bearing is matched with the transverse optical axis to realize transverse silent movement.
The optical axis comprises two transverse optical axes, and two transverse linear bearings are matched on the transverse optical axes. The stability is improved.
The transverse moving mechanism comprises a transverse stepping motor 11 fixedly installed on the outer side of the main frame, an output shaft of the transverse stepping motor is fixedly connected with a left-right moving screw rod 12, a transverse moving nut 13 is connected and matched with the left-right moving screw rod in a screwing mode, and the transverse moving nut is fixedly connected with a left-right moving main substrate through a transverse nut linkage connecting block 14. The transverse stepping motor drives the left and right moving screw rod to rotate, further drives the transverse moving nut to move, and drives the left and right moving main substrate to move transversely through the transverse nut linkage connecting block.
The vertical moving structure comprises a vertical linear bearing 15 which is sleeved outside a vertical optical axis, and the vertical moving bearing is fixedly connected with the lower jaw support mounting plate through an upper clamping plate 16 and a lower clamping plate 16. Vertical linear bearing and vertical optical axis cooperation realize vertical silence and remove.
Wherein, vertical optical axis is provided with two. The stability is improved.
The vertical moving mechanism comprises a vertical stepping motor 17 fixedly mounted on a left-right moving main substrate through a motor mounting plate 21, the motor mounting plate is fixedly connected with the left-right moving main substrate through a motor mounting column 111, an inhaul cable is fixedly connected with the motor mounting column, an output shaft of the vertical stepping motor is fixedly connected with an up-down moving screw 18, a vertical moving nut 19 is in rotary joint matching with the up-down moving screw, and the vertical moving nut is fixedly connected with a lower jaw support mounting plate through a vertical nut linkage connecting block 20.
The principle is as follows:
like this, the patient is with forehead butt forehead plate, then holds in the palm the height that mobile positioning device adjusted the lower jaw held in the palm through the lower jaw for lower jaw butt lower jaw plate when patient's forehead butt forehead plate, later hold in the palm mobile positioning device and link gear through the lower jaw, realize the synchronous motion about forehead plate and lower jaw plate, the position of adjustment patient's head. The forehead plate and the lower jaw plate move left and right simultaneously, the moving range is the same, quick adjustment can be realized, and the detection efficiency is improved.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, to the extent that such modifications and variations of the present invention fall within the scope of the present claims and their equivalents, it is intended that the present invention encompass such modifications and variations as well.
Claims (9)
1. A forehead support and lower jaw support left and right homodromous linkage device for a perimeter is characterized by comprising a case, wherein the case is provided with a detection hole, the upper end and the lower end of the detection hole are respectively provided with a forehead support and a lower jaw support, a lower jaw support moving and positioning device for driving the lower jaw support to move is installed in the case, a forehead support installation plate is fixedly installed at the upper end of the inner side of the case, the forehead support installation plate is provided with a sliding groove, a guide rod is fixedly installed in the sliding groove, a sliding block is matched on the guide rod in a sliding mode, one end of the sliding block is fixedly connected with the forehead support, and the sliding block is connected with the lower jaw support moving and positioning device through a linkage mechanism.
2. The left-right homodromous linkage device of the forehead support and the mandible support for the perimeter of claim 1, wherein the forehead support mounting plate is provided with a receiving groove, the guide rod is positioned in the receiving groove, the forehead support mounting plate is fixedly provided with a sealing plate, and the sealing plate is arranged opposite to an opening of the receiving groove.
3. The left-right homodromous linkage device of the forehead support and the mandible support for the perimeter of claim 1, wherein the mandible support moving and positioning device comprises a mounting plate, a main frame, the mandible support, a mandible support mounting plate, a shielding plate and a left-right moving main substrate; the lower jaw support is fixedly arranged on the lower jaw support mounting plate;
the main frame is fixedly arranged on the mounting plate, a transverse optical axis is fixedly arranged on the main frame, one side of the left-right moving main substrate is connected with the transverse optical axis through a left-right moving structure, and a left-right moving mechanism for driving the left-right moving main substrate to move along the transverse optical axis is further arranged on the main frame;
the baffle plate is fixedly connected with the upper end of the left-right moving main substrate, the main frame is fixedly provided with a vertical optical axis, the lower jaw support mounting plate is connected with the vertical optical axis through a vertical moving structure, and the left-right moving main substrate is also provided with a vertical moving mechanism for driving the lower jaw support mounting plate to move along the vertical optical axis;
the linkage mechanism comprises a first lug fixedly mounted on the sliding block and a second lug fixedly mounted on the forehead plate, the linkage mechanism further comprises a stay cable, one end of the stay cable penetrates through the second lug and is fixedly connected with the first lug, the other end of the stay cable is fixedly connected with the vertical moving mechanism, and a compression spring is sleeved on the part of the stay cable between the first lug and the second lug.
4. The left-right homodromous linkage device of the forehead support and the mandible support for the perimeter of claim 3, wherein the left-right moving structure comprises a transverse linear bearing, the transverse linear bearing is sleeved outside a transverse optical axis, and the transverse linear bearing is fixedly connected with the left-right moving main substrate through a left-right moving bearing supporting plate.
5. The left-right homodromous linkage device of a forehead support and a mandible support for a perimeter of claim 4, wherein there are two transverse optical axes, and two transverse linear bearings are fitted on the transverse optical axes.
6. The left-right homodromous linkage device of a forehead support and a mandible support for a perimeter of claim 5, wherein the left-right moving mechanism comprises a transverse stepping motor fixedly installed at the outer side of the main frame, the output shaft of the transverse stepping motor is fixedly connected with a left-right moving screw rod, the left-right moving screw rod is screwed and matched with a transverse moving nut, and the transverse moving nut is fixedly connected with a left-right moving main substrate through a transverse nut linkage connecting block.
7. The left-right homodromous linkage device of the forehead support and the mandible support for the perimeter of claim 6, wherein the vertical moving structure comprises a vertical linear bearing, the vertical linear bearing is sleeved outside a vertical optical axis, and the vertical moving bearing is fixedly connected with the mandible support mounting plate through an upper splint and a lower splint.
8. The left-right homodromous linkage of a forehead rest and a mandible rest for a perimeter of claim 7, wherein there are two of said vertical optical axes.
9. The left-right homodromous linkage device of the forehead support and the mandible support for the perimeter of the lower jaw support, according to claim 8, wherein the vertical moving mechanism comprises a vertical stepping motor fixedly mounted on a main substrate moving left and right through a motor mounting plate, the motor mounting plate is fixedly connected with the main substrate moving left and right through a motor mounting column, the pulling cable is fixedly connected with the motor mounting column, an output shaft of the vertical stepping motor is fixedly connected with an up-down moving screw rod, a vertical moving nut is screwed on the up-down moving screw rod and matched with the vertical moving nut, and the vertical moving nut is fixedly connected with the mandible support mounting plate through a vertical nut linkage connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123372927.2U CN218684342U (en) | 2021-12-29 | 2021-12-29 | Left-right homodromous linkage device of forehead support and mandible support for perimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123372927.2U CN218684342U (en) | 2021-12-29 | 2021-12-29 | Left-right homodromous linkage device of forehead support and mandible support for perimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218684342U true CN218684342U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123372927.2U Active CN218684342U (en) | 2021-12-29 | 2021-12-29 | Left-right homodromous linkage device of forehead support and mandible support for perimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218684342U (en) |
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2021
- 2021-12-29 CN CN202123372927.2U patent/CN218684342U/en active Active
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