CN214748768U - Mask visual field tester - Google Patents
Mask visual field tester Download PDFInfo
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- CN214748768U CN214748768U CN202120885102.1U CN202120885102U CN214748768U CN 214748768 U CN214748768 U CN 214748768U CN 202120885102 U CN202120885102 U CN 202120885102U CN 214748768 U CN214748768 U CN 214748768U
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Abstract
The utility model discloses a face guard field of vision tester, including bottom plate, track, slip fixture block, support frame and head die main part, one side on bottom plate top is fixed with the track, and one side slidable mounting on track surface has the slip fixture block to the top of slip fixture block is fixed with the base, the both sides on bottom plate top all are fixed with the supporting shoe, and the top of supporting shoe installs the direction slide rail, and the last sliding surface of direction slide rail installs the sliding block, be fixed with the support frame on the outer wall of sliding block one side, install electric putter on the outer wall of supporting shoe one side, and electric putter's one end is fixed with the connecting plate, the one end of connecting plate and the outer wall fixed connection of sliding block. The utility model discloses not only promote the work application scope of tester, strengthen the use flexibility of head mould, the multiple survey sight of simulation that still better improves the precision that looks sideways at of tester.
Description
Technical Field
The utility model relates to a face guard field of vision test technical field specifically is face guard field of vision tester.
Background
The air respirator comprises an air bottle, a back support, a face mask and other components, and is widely applied to the industries of fire fighting, chemical engineering, ships, petroleum and the like, the visual field refers to the space range which can be perceived by human eyes when the head and the eyeballs of a human are immobile, the space range is usually expressed by angles, different standards also exist for the visual field of the face mask in order to meet various working requirements, and the face mask visual field testing equipment is required to be used at the moment.
The mask visual field tester on the market is various in types, can basically meet the use requirements of people, but still has certain defects, and the specific problem is that the mask visual field tester is relatively fixed in position between a testing head die and a testing turntable in the use process, so that the mask visual field test limitation is large, the use flexibility of the head die is low, corresponding adjustment is difficult to perform according to the test requirements of workers, and the visual field measurement precision of the tester is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a face guard field of vision tester to the use limitation that proposes the tester among the solution above-mentioned background is great, and head die use angle is single and tester awkward problem.
In order to achieve the above object, the utility model provides a following technical scheme: the mask visual field tester comprises a bottom plate, a rail, a sliding fixture block, a support frame and a head die main body, wherein the rail is fixed on one side of the top end of the bottom plate, the sliding fixture block is slidably arranged on one side of the surface of the rail, and the top end of the sliding fixture block is fixed with a base, the two sides of the top end of the bottom plate are both fixed with supporting blocks, and the top end of the supporting block is provided with a guide slide rail, the upper surface of the guide slide rail is provided with a sliding block in a sliding way, a supporting frame is fixed on the outer wall of one side of the sliding block, an electric push rod is installed on the outer wall of one side of the supporting block, and one end of the electric push rod is fixed with a connecting plate, one end of the connecting plate is fixedly connected with the outer wall of the sliding block, one side of the top end of the base is fixed with a vertical plate, and install control panel on the outer wall of riser one side, the output of the inside singlechip of control panel and electric putter's input electric connection.
Preferably, a supporting arm is installed on one side of the top end of the base, a connecting shaft is installed on one side of the inside of the supporting arm in a rotating mode, one end of the connecting shaft extends to the outside of the vertical plate, a scale turntable is fixed at one end of the connecting shaft, and a semicircular scale is installed at the other end of the connecting shaft.
Preferably, a bearing is fixed at the center of the top of the support frame, a main shaft is installed inside the bearing, and the top end of the main shaft extends to the outside of the support frame.
Preferably, a disc is fixed at the top end of the main shaft, and a handle is fixed at the bottom end of the main shaft.
Preferably, an outer frame is fixed at the center of the top end of the disc, and a driving motor is installed on the outer wall of one side of the outer frame.
Preferably, a rotating shaft is rotatably mounted on the inner wall of one side of the outer frame, one end of the rotating shaft is fixedly connected with the input end of the driving motor through a coupler, the inner frame is fixed to the other end of the rotating shaft, a head die main body is fixed to the center of the bottom of the inner frame, and an LED lamp is mounted in an eye concave position of the head die main body.
Compared with the prior art, the beneficial effects of the utility model are that: the mask visual field tester not only improves the working application range of the tester and enhances the use flexibility of the head model, but also better simulates various measuring scenes and improves the side-looking precision of the tester;
(1) the face mask to be measured is attached to the face of the head die main body through the arrangement of the LED lamp, the sliding clamping block and the like, then the LED lamp is started to work through the control panel, the visual field of a person is simulated by the LED lamp, a worker can manually pull the base to drive the sliding clamping block to slide on the surface of the track, the relative distance between the semicircular scale and the head die main body is adjusted at the moment, different measuring requirements of the worker are met, and the working application range of the tester is widened;
(2) the main shaft, the head die main body and the like are arranged, the handle is manually rotated to drive the main shaft and the disc to rotate, the bearing can limit the rotation of the main shaft, the disc can drive the outer frame, the inner frame and the head die main body to rotate at the moment, actions similar to turning are realized at the moment, then a worker can start the driving motor to work through the control panel to drive the rotating shaft and the inner frame to rotate, and the head die main body performs the actions similar to raising and lowering the head at the moment, so that the practical use condition is better simulated;
(3) through being provided with sliding block and direction slide rail etc, accessible control panel opens electric putter and carries out work, makes it promote connecting plate, sliding block horizontal migration, and the effect of direction can be played to the slip of sliding block to the slide rail of leading this moment, and then the sliding block can drive spare parts such as support frame, frame and head die main part and remove, has adjusted the relative position of head die main part and semi-circular scale this moment, and its easy and simple to handle is standard, the multiple survey sight of better simulation.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic side view of the supporting block of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;
in the figure: 1. a base plate; 2. a track; 3. sliding the clamping block; 4. a base; 5. a support arm; 6. a support block; 7. a guide slide rail; 701. a slider; 8. a support frame; 9. a connecting plate; 10. a head die main body; 11. an LED lamp; 12. a semicircular scale; 13. a connecting shaft; 14. a scale dial; 15. a control panel; 16. a vertical plate; 17. a bearing; 1701. a main shaft; 18. a handle; 19. a disc; 20. an electric push rod; 21. an outer frame; 22. a drive motor; 23. a rotating shaft; 24. an inner frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: the mask visual field tester comprises a bottom plate 1, a rail 2, a sliding fixture block 3, a support frame 8 and a head die main body 10, wherein the rail 2 is fixed on one side of the top end of the bottom plate 1, the sliding fixture block 3 is slidably mounted on one side of the surface of the rail 2, a base 4 is fixed on the top end of the sliding fixture block 3, support blocks 6 are fixed on two sides of the top end of the bottom plate 1, a guide slide rail 7 is mounted at the top end of each support block 6, a sliding block 701 is slidably mounted on the upper surface of each guide slide rail 7, the support frame 8 is fixed on the outer wall of one side of each sliding block 701, an electric push rod 20 is mounted on the outer wall of one side of each support block 6, the electric push rod 20 can be JIN-1624 in type, a connecting plate 9 is fixed at one end of the electric push rod 20, and one end of the connecting plate 9 is fixedly connected with the outer wall of the sliding block 701;
the base 4 can be manually pulled by a worker to drive the sliding clamping block 3 to slide on the surface of the track 2, and the relative distance between the semicircular scale 12 and the head die main body 10 is adjusted at the moment, so that different measurement requirements of the worker are met;
a supporting arm 5 is arranged on one side of the top end of the base 4, a connecting shaft 13 is rotatably arranged on one side of the inside of the supporting arm 5, one end of the connecting shaft 13 extends to the outside of the vertical plate 16, a scale turntable 14 is fixed at one end of the connecting shaft 13, and a semicircular scale 12 is arranged at the other end of the connecting shaft 13;
the electric push rod 20 is started to work, so that the electric push rod pushes the connecting plate 9 and the sliding block 701 to move horizontally, the guide slide rail 7 can guide the sliding of the sliding block 701 at the moment, the sliding block 701 can drive the supporting frame 8, the outer frame 21, the head die main body 10 and other parts to move, the relative position of the head die main body 10 and the semicircular scale 12 is adjusted at the moment, the operation is simple, convenient and standard, various measuring scenes can be better simulated, and the visual field detection precision of the tester is improved;
a bearing 17 is fixed at the center of the top of the support frame 8, a main shaft 1701 is installed in the bearing 17, the top end of the main shaft 1701 extends to the outside of the support frame 8, a disc 19 is fixed at the top end of the main shaft 1701, and a handle 18 is fixed at the bottom end of the main shaft 1701;
an outer frame 21 is fixed at the center position of the top end of the disc 19, a driving motor 22 is installed on the outer wall of one side of the outer frame 21, and the type of the driving motor 22 can be RS-385 SH;
a rotating shaft 23 is rotatably mounted on the inner wall of one side of the outer frame 21, one end of the rotating shaft 23 is fixedly connected with the input end of the driving motor 22 through a coupling, an inner frame 24 is fixed at the other end of the rotating shaft 23, a head die main body 10 is fixed at the central position of the bottom of the inner frame 24, and an LED lamp 11 is mounted in an eye concave position of the head die main body 10;
attaching a mask to be measured on the face of a head die main body 10, then starting an LED lamp 11 to work through a control panel 15, simulating the visual field of a person by using the LED lamp 11, manually rotating a handle 18 to drive a main shaft 1701 and a disc 19 to rotate, limiting the rotation of the main shaft 1701 by using a bearing 17, driving an outer frame 21, an inner frame 24 and the head die main body 10 to rotate by using the disc 19, realizing the action similar to head turning at the moment, then starting a driving motor 22 to work through the control panel 15 by a worker to drive a rotating shaft 23 and the inner frame 24 to rotate, and enabling the head die main body 10 to perform the actions similar to head raising and head lowering at the moment, thereby better simulating the actual use condition;
a vertical plate 16 is fixed on one side of the top end of the base 4, a control panel 15 is installed on the outer wall of one side of the vertical plate 16, the type of the control panel 15 can be Y315M-2, and the output end of a single chip microcomputer in the control panel 15 is electrically connected with the input ends of the LED lamp 11, the electric push rod 20 and the driving motor 22 respectively.
The working principle is as follows: when in use, firstly, a worker attaches a mask to be measured on the face of the head model main body 10, then the LED lamp 11 is started to work through the control panel 15, the LED lamp 11 is utilized to simulate the visual field of a human, a point is measured when the semicircular scale 12 rotates between fifteen and thirty degrees from any vertical or horizontal direction, the point is marked on the recording paper until all directions are measured, at the moment, the semicircular scale 12 rotates for a circle, the points marked on the circular recording paper are respectively connected into a closed curve according to the visual fields of the left eye and the right eye, except for special points, the points are generally natural and smooth, a plurality of groups are measured, the areas of a binocular visual field diagram and a total visual field diagram on each recording paper are respectively measured by an integrator, the areas of the visual fields are obtained by a formula in a national standard, in the process, the worker can manually pull the base 4 to drive the sliding fixture block 3 to slide on the surface of the track 2, at the moment, the relative distance between the semicircular scale 12 and the head model main body 10 is adjusted, different measurement requirements of workers are met, and the working application range of the tester is widened; in the using process, the handle 18 can be manually rotated to drive the main shaft 1701 and the disc 19 to rotate, the bearing 17 can limit the rotation of the main shaft 1701, at the moment, the disc 19 can drive the outer frame 21, the inner frame 24 and the head die main body 10 to rotate, the similar rotation motion is realized, then, a worker can start the driving motor 22 through the control panel 15 to work to drive the rotating shaft 23 and the inner frame 24 to rotate, at the moment, the head die main body 10 performs the similar head raising and lowering functions, so that the practical use condition is better simulated, and the use flexibility of the head die is effectively improved;
staff's accessible control panel 15 opens electric putter 20 and carries out work, make it promote connecting plate 9, sliding block 701 horizontal migration, guide slide rail 7 can play the effect of direction to sliding block 701's slip this moment, then sliding block 701 can drive support frame 8, spare parts such as frame 21 and head die main part 10 move, the relative position of head die main part 10 with semi-circular scale 12 has been adjusted this moment, its easy and simple to handle standard, the multiple survey sight of better simulation, the visual field that improves the tester detects the precision.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. Face guard field of vision tester, including bottom plate (1), track (2), slip fixture block (3), support frame (8) and head die main part (10), its characterized in that: a track (2) is fixed on one side of the top end of the bottom plate (1), a sliding fixture block (3) is slidably mounted on one side of the surface of the track (2), a base (4) is fixed on the top end of the sliding fixture block (3), supporting blocks (6) are fixed on two sides of the top end of the bottom plate (1), a guide sliding rail (7) is mounted on the top end of each supporting block (6), a sliding block (701) is slidably mounted on the upper surface of each guide sliding rail (7), a supporting frame (8) is fixed on the outer wall of one side of each sliding block (701), an electric push rod (20) is mounted on the outer wall of one side of each supporting block (6), a connecting plate (9) is fixed at one end of each electric push rod (20), one end of each connecting plate (9) is fixedly connected with the outer wall of each sliding block (701), a vertical plate (16) is fixed on one side of the top end of the base (4), and a control panel (15) is mounted on the outer wall of one side of each vertical plate (16), the output end of the singlechip in the control panel (15) is electrically connected with the input end of the electric push rod (20).
2. A mask perimetry according to claim 1, characterized in that: support arm (5) are installed to one side on base (4) top, and rotate on one side of support arm (5) inside and install connecting axle (13), and the one end of connecting axle (13) extends to the outside of riser (16), the one end of connecting axle (13) is fixed with scale carousel (14), and semi-circular scale (12) are installed to the other end of connecting axle (13).
3. A mask perimetry according to claim 1, characterized in that: a bearing (17) is fixed at the center of the top of the support frame (8), a main shaft (1701) is installed inside the bearing (17), and the top end of the main shaft (1701) extends to the outside of the support frame (8).
4. A mask perimetry according to claim 3, characterized in that: a disc (19) is fixed at the top end of the main shaft (1701), and a handle (18) is fixed at the bottom end of the main shaft (1701).
5. A mask perimetry according to claim 4, characterized in that: an outer frame (21) is fixed at the center of the top end of the disc (19), and a driving motor (22) is installed on the outer wall of one side of the outer frame (21).
6. A mask perimetry according to claim 5, characterized in that: the LED head die is characterized in that a rotating shaft (23) is rotatably mounted on the inner wall of one side of the outer frame (21), one end of the rotating shaft (23) is fixedly connected with the input end of the driving motor (22) through a coupler, an inner frame (24) is fixed to the other end of the rotating shaft (23), a head die main body (10) is fixed to the center of the bottom of the inner frame (24), and an LED lamp (11) is mounted in an eye concave position of the head die main body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120885102.1U CN214748768U (en) | 2021-04-27 | 2021-04-27 | Mask visual field tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120885102.1U CN214748768U (en) | 2021-04-27 | 2021-04-27 | Mask visual field tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214748768U true CN214748768U (en) | 2021-11-16 |
Family
ID=78614174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120885102.1U Active CN214748768U (en) | 2021-04-27 | 2021-04-27 | Mask visual field tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214748768U (en) |
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2021
- 2021-04-27 CN CN202120885102.1U patent/CN214748768U/en active Active
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