Semi-automatic biological measurement device

Abstract

The invention discloses a semi-automatic biological measurement device which comprises a measurement device body and a head positioning structure, the head positioning structure is arranged on one side of the measurement device body and comprises a vertical frame, a lower supporting piece and a front supporting piece, the semi-automatic biological measurement device further comprises a rear supporting assembly, and the rear supporting assembly comprises a mounting piece; a mounting base is arranged at the end, close to the vertical frame, of the mounting piece and is in running fit with the vertical frame, and a rear supporting piece is arranged at the end, away from the vertical frame, of the mounting piece. By means of the rear supporting assembly and the side supporting pieces, basic supporting of the lower jaw and the forehead is reserved, five-point cooperative supporting of the lower jaw, the front portion (the forehead), the rear portion (the back side of the head), the left portion and the right portion (the two sides of the head) is achieved, and a three-dimensional fixing frame is constructed; by means of the design, translation swing of the head in the left-right direction and rotation motion around the vertical axis can be effectively limited, and a far-unconventional stable platform is provided for precise measurement such as vision detection.

Description

Technical Field

[0001] This invention belongs to the field of optical detection technology, and particularly relates to a semi-automatic biological measurement device. Background Technology

[0002] In the fields of ophthalmological examination, vision screening and related biometry, various biometry devices are generally equipped with head positioning structures.

[0003] Traditional head positioning methods typically employ simple mechanical supports, such as fixed chin rests and forehead supports. While these structures can provide basic front-to-back and vertical fixation, they have the following significant drawbacks: relying solely on the chin and forehead for support makes it difficult to effectively suppress lateral head swaying and slight rotational movements, especially for children, the elderly, or subjects with poor cooperation. Summary of the Invention

[0004] To address the problems in the prior art, the present invention proposes the following technical solution:

[0005] This invention provides a semi-automatic biometric device, comprising:

[0006] The measuring device body and the head positioning structure are provided. The head positioning structure is located on one side of the measuring device body. The head positioning structure includes a stand, a lower support and a front support. The lower support is flexibly positioned below the inner side of the stand. The front support is fixedly positioned above the stand on the side of the stand close to the measuring device body.

[0007] Also includes:

[0008] The rear support assembly includes a mounting component, a mounting base is provided at one end of the mounting component near the upright, the mounting base is rotatably engaged with the upright, and a rear support component is provided at the other end of the mounting component away from the upright.

[0009] As a preferred embodiment of the above technical solution, the mounting base is rotatably embedded in the upright frame. The mounting base includes a housing, and a plug is telescopically provided on the housing. The plug can be embedded inside the housing or extend to the outside. The upright frame is provided with a main groove for the housing to be rotatably embedded in and whose shape matches the main groove. The outer side of the main groove is also connected to a first slot and a second slot, the shapes of which match the plug. When an external force is applied to make the plug retracted, the mounting base can be rotated smoothly. When the plug is rotated to the position corresponding to the first slot or the second slot, the external force is removed, and the plug enters the first slot or the second slot to be fixed.

[0010] As a preferred embodiment of the above technical solution, an extension cylinder perpendicular to its end face is also fixedly provided on the housing. An inner rod is provided on the side of the extension cylinder near the insertion block. The insertion block is movably sleeved on the inner rod, and a spring is also sleeved on the outside of the inner rod.

[0011] The housing has a strip-shaped groove that communicates with its inner cavity. The insert is provided with an extension rod that extends through the groove to the outside. Moving the extension rod causes the insert to enter the housing or extend to the outside of the housing.

[0012] As a preferred embodiment of the above technical solution, the rear support includes a sleeve, one end of which is fixedly connected to the mounting component, and a connecting rod is movably inserted into the other end of the sleeve. The end of the connecting rod located inside the sleeve is provided with a piston that slides with the inside of the sleeve, and a support pad is fixedly provided at the other end of the connecting rod.

[0013] The insert, the inner rod, and the mounting component are all hollow inside, and the insert, the inner rod, the extension cylinder, the mounting component, and the sleeve are connected in sequence inside;

[0014] An air supply pipe is embedded in the upright frame. One end of the air supply pipe extends into a slot. When the insert is inserted into the slot, the inside of the insert is connected to the air supply pipe. The input of gas can push the connecting rod to move, thereby adjusting the support pad to be in contact with the head.

[0015] As a preferred embodiment of the above technical solution, a sealing gasket is provided on the inner side wall of the insert block, and when the insert block is connected to the gas transmission pipe, the sealing gasket abuts against the outer wall of the gas transmission pipe.

[0016] As a preferred embodiment of the above technical solution, the end of the first air supply pipe away from the insertion block is also embedded with a second air supply pipe. The first air supply pipe and the second air supply pipe are connected. Side support members are also provided on both sides of the upright frame. The second air supply pipe has two output interfaces, which are respectively connected to the two side support members. The input interface of the second air supply pipe is connected to an air inlet pipe.

[0017] As a preferred embodiment of the above technical solution, the side support includes a sleeve two, one end of which is fixedly connected to the gas supply pipe two, and a connecting rod two is movably inserted inside the other end of the sleeve two. The end of the connecting rod two located inside the sleeve two is provided with a piston two that slides and cooperates with the inner wall of the sleeve two, and a support pad two is fixedly provided at the other end of the connecting rod two.

[0018] As a preferred embodiment of the above technical solution, both support pad one and support pad two include an arc-shaped base, on which a flexible buffer portion is provided.

[0019] The beneficial effects of this invention are as follows:

[0020] (1) By setting up a rear support component and side support components, the present invention achieves five-point coordinated support at the lower (jaw), front (forehead), back (back of the head), left and right (both sides of the head) in addition to retaining basic support for the jaw and forehead, thus constructing a three-dimensional fixed frame. This design can effectively limit the translational swing of the head in the left and right directions and the rotational movement around the vertical axis, solving the inherent defects of traditional two-point support. It provides a stable platform far beyond the conventional for precision measurements such as vision testing, and is especially suitable for children, the elderly or subjects who have difficulty staying still, ensuring high accuracy and high reliability of measurement results.

[0021] (2) By setting up rear support components and side support components, the present invention makes the head positioning structure more adaptable and inclusive to subjects with different head shapes and head circumferences. Whether the head shape is wider or the individual needs more stable rear support, the system can provide a more reliable and fit fixation effect, reducing the problem of inaccurate positioning caused by individual differences. Attached Figure Description

[0022] Figure 1 The diagram shown is an overall schematic of the device in the embodiment;

[0023] Figure 2 The diagram shown is a front view of the head positioning structure in the embodiment (state one);

[0024] Figure 3 The diagram shown is a side view of the head positioning structure in the embodiment;

[0025] Figure 4 The diagram shown is a front view of the head positioning structure in the embodiment (state two);

[0026] Figure 5 The diagram shown is a front view of the mounting base in the embodiment;

[0027] Figure 6 The diagram shown is a cross-sectional view of the mounting base in the embodiment;

[0028] Figure 7 The diagram shown illustrates the mating of the mounting base and the housing in the embodiment. Figure 1 ;

[0029] Figure 8 The diagram shown illustrates the mating of the mounting base and the housing in the embodiment. Figure 2 ;

[0030] Figure 9 The diagram shown is a cross-sectional view of the rear support member in the embodiment.

[0031] Figure 10The diagram shown is a schematic representation of the distribution of the gas pipes on the housing in the embodiment.

[0032] Figure 11 The diagram shown is a schematic diagram of support pad one in the embodiment;

[0033] Reference numerals: 1. Main body of measuring device; 2. Head positioning structure; 10. Stand; 11. Lower support; 12. Front support; 21. Mounting component; 22. Mounting base; 30. Rear support; 40. Side support; 101. Slot 1; 102. Slot 2; 221. Housing; 222. Extension cylinder; 223. Insert block; 224. Groove; 225. Extension rod; 226. Inner rod; 227. Spring; 228. Sealing gasket; 31. Sleeve 1; 32. Support pad 1; 321. Buffer part; 33. Connecting rod 1; 51. Air supply pipe 1; 52. Air supply pipe 2; 53. Air inlet pipe. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0035] Example

[0036] like Figure 1 As shown, Figure 1 The diagram shown is an overall schematic of the device in the embodiment;

[0037] This device includes:

[0038] The measuring device body 1 and the head positioning structure 2 are arranged on one side of the measuring device body 1.

[0039] The main body 1 of the measuring device is used for vision detection. The head positioning structure 2 ensures that the subject's head remains stable during the test and avoids affecting the measurement accuracy due to head movement. The main body 1 of the measuring device is existing technology and will not be described in detail in this application.

[0040] like Figure 2 , Figure 3 , Figure 4 As shown, Figure 2 The diagram shown is a front view of the head positioning structure in the embodiment (state one); Figure 3 The diagram shown is a side view of the head positioning structure in the embodiment; Figure 4 The diagram shown is a front view of the head positioning structure in the embodiment (state two);

[0041] Head positioning structure 2 includes:

[0042] 10 uprights

[0043] The lower support member 11 is lifted and positioned inside the lower part of the upright frame 10;

[0044] Front support 12, the front support 12 is fixedly installed on the side of the upright 10 near the main body 1 of the measuring device;

[0045] The support frame 10 serves as the main supporting skeleton, the lower support member 11 supports and positions the chin, and the front support member 12 positions and supports the forehead. Specifically, the lower support member 11 is connected to the output end of a drive component in the prior art to achieve its lifting and lowering, such as an electric push rod.

[0046] Also includes:

[0047] The rear support assembly includes a mounting member 21. A mounting base 22 is provided at one end of the mounting member 21 near the upright 10. The mounting base 22 is rotatably engaged with the upright 10. A rear support member 30 is provided at the other end of the mounting member 21 away from the upright 10.

[0048] The rear support 30 provides additional, adjustable rearward support, further enhancing the stability of head fixation. The rotating mounting base 22 can change the position of the rear support assembly, facilitating smooth placement of the subject's head into the testing area; in this position, it is in an avoidance configuration (e.g.,...). Figure 4 (The state shown).

[0049] like Figure 5 , Figure 6 , Figure 7 , Figure 8 As shown, Figure 5 The diagram shown is a front view of the mounting base in the embodiment; Figure 6 The diagram shown is a cross-sectional view of the mounting base in the embodiment; Figure 7 The diagram shown illustrates the mating of the mounting base and the housing in the embodiment. Figure 1 ; Figure 8 The diagram shown illustrates the mating of the mounting base and the housing in the embodiment. Figure 2 ;

[0050] The mounting base 22 is rotatably embedded in the support frame 10. The mounting base 22 includes a housing 221. A plug 223 is telescopically provided on the housing 221. The plug 223 can be embedded inside the housing 221 or extend to the outside. The support frame 10 is provided with a main groove for the housing 221 to be rotatably embedded in and matched with its shape. The outer side of the main groove is also connected to a first slot 101 and a second slot 102. The shapes of the first slot 101 and the second slot 102 are matched with the plug 223. When an external force is applied to make the plug 223 retracted, the mounting base 22 can be rotated smoothly. When the plug 223 is rotated to correspond to the position of the first slot 101 or the second slot 102, the external force is removed, and the plug 223 enters the first slot 101 or the second slot 102 to be fixed.

[0051] In this embodiment, the first slot 101 and the second slot 102 are perpendicular. When the insert block 223 enters the first slot 101, it is in the working state, and when the insert block 223 enters the second slot 102, it is in the avoidance state.

[0052] An extension tube 222 perpendicular to its end face is also fixedly installed on the housing 221. An inner rod 226 is provided on the side of the extension tube 222 near the insertion block 223. The insertion block 223 is movably sleeved on the inner rod 226, and a spring 227 is also sleeved on the outside of the inner rod 226.

[0053] The housing 221 has a strip-shaped groove 224 that communicates with its inner cavity. The insertion block 223 is provided with an extension rod 225. The extension rod 225 extends through the groove 224 to the outside. Moving the extension rod 225 causes the insertion block 223 to enter the housing 221 or extend to the outside of the housing 221.

[0054] When no external force is applied, the spring 227 is in a naturally extended state, and its elastic force pushes the insert 223 outward. At this time, the insert 223 extends out of the housing 221, and its end is embedded in the slot 101 or slot 102 on the stand 10. At the same time, the extension rod 225 is also located near the outer end of the groove 224, and the entire mounting base 22 is firmly locked in the current position and cannot be rotated.

[0055] When it is necessary to rotate the mounting base 22, the operator flicks the extension rod 225 with their finger, applying an inward force. This force is transmitted through the extension rod 225 to the insert block 223, overcoming the elastic force of the spring 227, and pushing the insert block 223 inward along the inner rod 226, causing it to retract completely into the housing 221. At this time, the extension rod 225 also moves to a position near the inner end of the slot 224. Since the insert block 223 has disengaged from the slot, the locking of the mounting base 22 is released, allowing it to rotate freely around its rotation axis within the main slot.

[0056] like Figure 3 , Figure 9 , Figure 10 As shown, Figure 3 The diagram shown is a side view of the head positioning structure in the embodiment; Figure 9 The diagram shown is a cross-sectional view of the rear support member in the embodiment. Figure 10 The diagram shown is a schematic representation of the distribution of the gas pipes on the housing in the embodiment.

[0057] The rear support member 30 includes a sleeve 31. One end of the sleeve 31 is fixedly connected to the mounting member 21. A connecting rod 33 is movably inserted into the other end of the sleeve 31. The end of the connecting rod 33 located inside the sleeve 31 is provided with a piston that slides with the inner wall of the sleeve 31. A support pad 32 is fixedly provided at the other end of the connecting rod 33.

[0058] The insert block 223, inner rod 226, and mounting part 21 are all hollow inside, and the insert block 223, inner rod 226, extension tube 222, mounting part 21, and sleeve 31 are connected in sequence inside;

[0059] An air supply pipe 51 is embedded in the support frame 10. One end of the air supply pipe 51 extends into the slot 101. When the insert block 223 is inserted into the slot 101, the inside of the insert block 223 is connected to the air supply pipe 51. The input gas can push the connecting rod 33 to move, so as to adjust the support pad 32 to be in contact with the head.

[0060] When testing is required, the operator rotates the mounting base 22, causing the insert 223 to be inserted into the slot 101. At this time, since the end of the gas supply tube 51 is located in the slot 101, the internal channel of the insert 223 is connected to the port of the gas supply tube 51, and the entire gas path (gas supply tube 51 → insert 223 → inner rod 226 → extension tube 222 → mounting piece 21 → sleeve 31) is connected. The gas pressure, through the connected pipe, finally acts on the piston inside the sleeve 31. The gas pressure pushes the piston, causing the connecting rod 33 and the support pad 32 to move outward along the axis of the sleeve 31 (i.e., towards the subject's head). The support pad 32 will continue to move until it gently and firmly rests against the back of the subject's head. The gas pressure can be adjusted to control the pressure applied to the head by the support pad 32, ensuring both stability and comfort, and avoiding discomfort caused by excessive tightness.

[0061] A sealing gasket 228 is provided on the inner wall of the insert 223. When the insert 223 is connected to the gas pipe 51, the sealing gasket 228 abuts against the outer wall of the gas pipe 51.

[0062] When the insert 223 is inserted into the slot 101 and mates with the gas pipe 51, the sealing gasket 228 will press tightly against (squeeze) the outer wall of the gas pipe 51. This pressing forms a reliable dynamic seal, preventing compressed gas from leaking out from the tiny gap between the insert 223 and the gas pipe 51.

[0063] like Figure 2 , Figure 10 As shown, Figure 2 The diagram shown is a front view of the head positioning structure in the embodiment (state one); Figure 10 The diagram shown is a schematic representation of the distribution of the gas pipes on the housing in the embodiment.

[0064] On the support frame 10, at the end of the first air pipe 51 away from the insert block 223, a second air pipe 52 is also embedded. The first air pipe 51 and the second air pipe 52 are connected. Side support members 40 are also arranged opposite each other on both sides inside the support frame 10. The second air pipe 52 has two output interfaces, which are respectively connected to the two side support members 40. The input interface of the second air pipe 52 is connected to the air inlet pipe 53.

[0065] The side support member 40 includes a sleeve 2. One end of the sleeve 2 is fixedly connected to the gas supply pipe 2 52. A connecting rod 2 is movably inserted inside the other end of the sleeve 2. A piston 2 that slides with the inner wall of the sleeve 2 is provided at the end of the connecting rod 2 inside the sleeve 2. A support pad 2 is fixedly provided at the other end of the connecting rod 2.

[0066] Side supports 40 are used to contact and support the sides of the subject's head (temporal or above-ear region).

[0067] The operator inputs compressed gas through the air inlet pipe 53. The gas simultaneously pushes the support pad 32 of the rear support 30, so that it gently presses against the back of the subject's head. At the same time, it also pushes the support pads 2 of the two side support 40, so that they gently press against the left and right sides of the subject's head. By adjusting the pressure of the input gas, the pressure of the rear and side support pads can be adjusted simultaneously to achieve all-round, uniform and comfortable wrap-around fixation of the head.

[0068] like Figure 11 As shown, Figure 11 The diagram shown is a schematic diagram of support pad one in the embodiment;

[0069] Both support pad 1 32 and support pad 2 include an arc-shaped base, on which a flexible buffer portion 321 is provided.

[0070] The support pad 1 (32) has an arc-shaped base that conforms to the natural contour of the back of the human head, while the side support pad 2 has an arc-shaped base that conforms to the curved surfaces of both sides of the head (temporal region and above the ear region).

[0071] The cushioning part 321 is made of flexible material, such as silicone, medical foam or gel, to ensure a soft and skin-friendly feel.

[0072] Working principle: The subject sits in front of the device. The operator rotates the mounting base 22 to the avoidance position. At this time, the insertion block 223 is located in the second slot 102. The subject places his chin on the lower support 11 and his forehead lightly against the front support 12. The operator moves the extension rod 225 to retract the insertion block 223 into the housing 221. Then, the mounting base 22 is rotated to the working position, that is, the insertion block 223 is inserted into the first slot 101. After the external force is released, the insertion block 223 pops out and forms a seal with the first slot 101. The pneumatic system is activated and compressed gas is input through the air inlet pipe 53. The gas is distributed to the rear support 30 and the two side supports 40 through the second air outlet pipe 52. The first support pad 32 and the second support pad move outward under the action of air pressure, conforming to the back of the subject's head and the sides of the head, providing stable and comfortable support.

[0073] Under stable pressure, the subject's head is fixed in all directions, and vision testing begins. The main body of the measuring device 1 displays optotypes or other test content for accurate vision measurement;

[0074] After the test is completed, stop the gas supply or open the exhaust valve. Support pad 1 32 and support pad 2 retract to their original positions under slight external force. The operator then moves the extension rod 225 again to retract the insert 223 and rotates the mounting base 22 back to the avoidance state, allowing the subject to leave easily.

[0075] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it.

Claims

1. A semi-automatic biological measurement device, characterized in that, include: The measuring device body (1) and the head positioning structure (2) are provided on one side of the measuring device body (1). The head positioning structure (2) includes a stand (10), a lower support (11) and a front support (12). The lower support (11) is raised and lowered on the inner side of the stand (10), and the front support (12) is fixedly provided on the side of the stand (10) near the measuring device body (1). Also includes: The rear support assembly includes a mounting member (21), and a mounting seat (22) is provided at one end of the mounting member (21) near the upright (10). The mounting seat (22) is rotatably engaged with the upright (10). A rear support member (30) is provided at the other end of the mounting member (21) away from the upright (10).

2. The semi-automatic biological measurement device according to claim 1, characterized in that, The mounting base (22) is rotatably embedded in the upright frame (10). The mounting base (22) includes a housing (221). A plug (223) is telescopically provided on the housing (221). The plug (223) can be embedded inside the housing (221) or extend to the outside. The upright frame (10) is provided with a main groove for the housing (221) to be rotatably embedded in and to match its shape. The outer side of the main groove is also connected to a slot 1 (101) and a... The second slot (102) has a shape that matches the insert (223). When an external force is applied to make the insert (223) in a retracted state, the mounting base (22) can be rotated smoothly. When the insert (223) is rotated to the position corresponding to the first slot (101) or the second slot (102), the external force is removed, and the insert (223) enters the first slot (101) or the second slot (102) to be fixed.

3. The semi-automatic biological measurement device according to claim 2, characterized in that, An extension tube (222) perpendicular to its end face is also fixedly installed on the housing (221). An inner rod (226) is provided on the side of the extension tube (222) near the insert block (223). The insert block (223) is movably sleeved on the inner rod (226), and a spring (227) is also sleeved on the outside of the inner rod (226). The housing (221) has a strip-shaped groove (224) that communicates with its inner cavity. The insert (223) is provided with an extension rod (225). The extension rod (225) extends through the groove (224) to the outside. By moving the extension rod (225), the insert (223) can enter the housing (221) or extend to the outside of the housing (221).

4. The semi-automatic biological measurement device according to claim 3, characterized in that, The rear support member (30) includes a sleeve (31), one end of which is fixedly connected to the mounting member (21), and a connecting rod (33) is movably inserted into the other end of the sleeve (31). The end of the connecting rod (33) located inside the sleeve (31) is provided with a piston that slides with the inside of the sleeve (31), and a support pad (32) is fixedly provided at the other end of the connecting rod (33). The insert (223), the inner rod (226), and the mounting component (21) are all hollow inside, and the insert (223), the inner rod (226), the extension cylinder (222), the mounting component (21), and the sleeve (31) are connected in sequence inside; An air supply pipe (51) is embedded in the stand (10). One end of the air supply pipe (51) extends into the slot (101). When the insert (223) is inserted into the slot (101), the inside of the insert (223) is connected to the air supply pipe (51). The input gas can push the connecting rod (33) to move, so as to adjust the support pad (32) to be in contact with the head.

5. The semi-automatic biological measurement device according to claim 4, characterized in that, A sealing gasket (228) is provided on the inner side wall of the insert (223). When the insert (223) is connected to the first gas pipe (51), the sealing gasket (228) abuts against the outer wall of the first gas pipe (51).

6. The semi-automatic biological measurement device according to claim 4, characterized in that, The end of the first gas pipe (51) away from the insert block (223) is also embedded with a second gas pipe (52). The first gas pipe (51) and the second gas pipe (52) are connected. Side support members (40) are also arranged opposite to each other on both sides of the frame (10). The second gas pipe (52) has two output interfaces, which are respectively connected to the two side support members (40). The input interface of the second gas pipe (52) is connected to an air inlet pipe (53).

7. The semi-automatic biological measurement device according to claim 6, characterized in that, The side support member (40) includes a sleeve two. One end of the sleeve two is fixedly connected to the gas pipe two (52). The other end of the sleeve two is movably inserted with a connecting rod two. The end of the connecting rod two located inside the sleeve two is provided with a piston two that slides with the inner wall of the sleeve two. The other end of the connecting rod two is fixedly provided with a support pad two.

8. The semi-automatic biological measurement device according to claim 7, characterized in that, Both support pad one (32) and support pad two include an arc-shaped base, on which a flexible buffer part (321) is provided.

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