Knee spacing and ankle spacing measuring device

Abstract

According to the knee pitch and ankle pitch measuring device provided by the utility model, a standing position is provided for a person to be measured through the standing surface on the base, and the raster scanning assembly is driven to move up and down by using the up-down moving assembly, so that knee joints and ankle joints of the person to be measured are scanned to obtain a knee joint raster image and an ankle joint raster image; the knee joint grating image and the ankle joint grating image are used for analyzing and obtaining the knee pitch and the ankle pitch of the person to be tested. According to the knee pitch and ankle pitch measuring device, the knee joint grating image and the ankle joint grating image of the person to be measured are obtained through scanning of the grating scanning assembly, and therefore the knee pitch and the ankle pitch of the person to be measured can be directly obtained, and the knee pitch and ankle pitch measuring device solves the problem that in the prior art, the knee joint grating image and the ankle joint grating image of the person to be measured cannot be measured directly. When the knee distance and the ankle distance are measured, the conditions of inaccurate positioning or shaking and the like often occur, so that the error of the measurement result is large, and the measurement result of the knee distance and the ankle distance is influenced.

Description

Technical Field

[0001] The utility model belongs to the technical field of detection devices, and in particular relates to a device for measuring knee distance and ankle distance. Background Art

[0002] The knee joint is the largest and most complex joint in the human body. The knee distance refers to the horizontal distance between the inner sides of the two knee joints when the test subject's legs are straight and close together. The ankle distance refers to the distance between the inner sides of the two ankles when the test subject's feet are close together. Depending on the difference in knee distance and ankle distance, there are different conditions such as normal development, knee varus and knee valgus. Among them, knee varus and knee valgus are common knee maldevelopment conditions, especially common in adolescents, which bring great inconvenience and physical and mental harm to people.

[0003] Knee spacing and ankle spacing are important indicators for judging the development of the knee joint. By measuring the knee spacing and ankle spacing, the development of the knee joint of the subject can be judged and corresponding treatment measures can be taken in time, which is of great significance to people's healthy life.

[0004] The existing method of measuring knee spacing and ankle spacing is generally manual measurement, using tools such as a tape measure to measure the knee spacing and ankle spacing of the subject. However, due to inaccurate positioning or shaking during the manual measurement process, large errors in the measurement results are caused, which affects the technical problem of the accuracy of the knee spacing measurement results. Utility Model Content

[0005] In order to solve the technical problem that in the background technology, the knee spacing and ankle spacing are generally measured manually, which often results in inaccurate positioning or shaking, resulting in large errors in the measurement results and affecting the measurement results of the knee spacing and ankle spacing, the utility model provides a device for measuring the knee spacing and ankle spacing.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A device for measuring knee spacing and ankle spacing, comprising: a base, an up-and-down moving component, and a raster scanning component;

[0008] The upper side of the base is provided with a standing surface for the person to be measured to stand during the measurement;

[0009] The up-and-down moving assembly is fixedly arranged on one side of the base;

[0010] The grating scanning component is connected to the up-and-down moving component, and the up-and-down moving component drives the grating scanning component to move up and down, so as to scan the knee joint and ankle joint of the subject to be measured during the measurement process, and obtain the knee joint grating image and ankle joint grating image of the subject to be measured;

[0011] The knee joint grating image and ankle joint grating image of the subject to be measured are used to obtain the knee distance and ankle distance of the subject to be measured.

[0012] Optionally, the grating scanning assembly includes a first cantilever, a second cantilever, a grating emission module, a grating reception module, and a cross beam;

[0013] The middle part of the cross beam is connected to the up-and-down movement assembly;

[0014] The first cantilever and the second cantilever are respectively fixedly arranged at both ends of the cross beam, and the first cantilever and the second cantilever are located on both sides above the standing surface;

[0015] The grating emission module is fixedly arranged on the first cantilever;

[0016] The grating reception module is fixedly arranged on the second cantilever and corresponds to the grating emission module.

[0017] Optionally, a first accommodation groove is arranged in the first cantilever, a second accommodation groove is arranged in the second cantilever, and the openings of the first accommodation groove and the second accommodation groove are arranged opposite to each other;

[0018] The grating emission module is fixedly arranged in the first accommodation groove;

[0019] The grating reception module is fixedly arranged in the second accommodation groove.

[0020] Optionally, the grating scanning assembly further includes a protection housing, and the protection housing is sleeved on the cross beam, the first cantilever, and the second cantilever;

[0021] Openings are arranged at positions of the protection housing opposite to the first accommodation groove and the second accommodation groove.

[0022] Optionally, the up-and-down movement assembly includes a driving module, a guiding module, a connecting module, and a main control circuit module;

[0023] The guiding module is vertically and fixedly arranged on one side of the base;

[0024] The connecting module is movably arranged on the guiding module, and the grating scanning assembly is fixedly installed on the connecting module;

[0025] The main control circuit module is electrically connected to the driving module;

[0026] The driving module is fixedly arranged on the guiding module, and the driving module is connected to the connecting module;

[0027] The main control circuit module is used to control the driving module, so that the connecting module drives the raster scanning assembly to move up and down.

[0028] Optionally, the up-and-down moving assembly further includes an upper photoelectric switch and a lower photoelectric switch;

[0029] A guiding rail is vertically arranged on the guiding module, and the connecting module is movably arranged on the guiding rail;

[0030] The upper photoelectric switch and the lower photoelectric switch are arranged on the side of the guiding rail and are both electrically connected to the main control circuit module;

[0031] The position of the upper photoelectric switch is higher than that of the lower photoelectric switch.

[0032] Optionally, an upper limit block and a lower limit block are arranged on the guiding rail, and the upper limit block and the lower limit block are arranged in the moving direction of the connecting module;

[0033] The height of the upper limit block is higher than that of the upper photoelectric switch;

[0034] The height of the lower limit block is lower than that of the lower photoelectric switch.

[0035] Optionally, the driving module includes a driving member and a transmission lead screw;

[0036] The driving member is arranged at the upper end of the guiding module, and the driving member is electrically connected to the main control circuit module;

[0037] A cavity is arranged in the guiding module, the transmission lead screw is arranged in the cavity, and the upper end of the transmission lead screw is connected to the driving member;

[0038] A part of the connecting module extends into the cavity and is sleeved on the transmission lead screw through a threaded sleeve, and the threaded sleeve is connected to the raster scanning assembly.

[0039] Optionally, the measuring device for knee joint distance and ankle joint distance further includes two side plates, and the two side plates are relatively and vertically arranged on the side of the base and are outside the raster scanning assembly.

[0040] Optionally, at least one of the side plates is provided with a handrail.

[0041] The beneficial effects of the utility model are:

[0042] The utility model provides a measuring device for knee distance and ankle distance, which provides a standing position for the person to be measured through the standing surface on the base, drives the grating scanning component to move up and down by using the up and down moving component, so as to scan the knee joint and ankle joint of the person to be measured by using the grating scanning component, obtain the knee joint grating image and the ankle joint grating image, and analyze and obtain the knee distance and ankle distance of the person to be measured by using the knee joint grating image and the ankle joint grating image. In the measuring device for knee distance and ankle distance provided by the utility model, when in use, the person to be measured stands on the standing surface, and the knee joint grating image and the ankle joint grating image of the person to be measured are obtained by scanning through the grating scanning component, so that the knee distance and ankle distance of the person to be measured can be directly obtained according to the obtained grating images. Therefore, the measuring device for knee distance and ankle distance of the utility model solves the technical problems in the prior art that when measuring the knee distance and ankle distance, manual measurement is generally adopted, and situations such as inaccurate positioning or shaking often occur, resulting in large errors in the measurement results and affecting the measurement results of the knee distance and ankle distance. Brief Description of the Drawings

[0043] Figure 1 is a schematic diagram of the measuring device for knee distance and ankle distance in the utility model;

[0044] Figure 2 is a schematic diagram of the knee joint grating image and the ankle joint grating image in the utility model;

[0045] Figure 3 is an exploded view of the grating scanning component in the utility model;

[0046] Figure 4 is a schematic diagram of the cross beam, the first cantilever and the second cantilever in the utility model;

[0047] Figure 5 is an exploded view of the grating scanning component with a protective housing in the utility model;

[0048] Figure 6 is a schematic diagram of the up and down moving component in the utility model;

[0049] Figure 7 is a specific schematic diagram of the up and down moving component in the utility model;

[0050] Figure 8 is a schematic diagram of the guiding module in the utility model;

[0051] Figure 9 is a top view of the guiding module in the utility model;

[0052] Figure 10 is a cross-sectional view of the guiding module in the utility model.

[0053] Wherein: 1. Base; 11. Standing surface; 2. Up-and-down moving component; 21. Driving module; 211. Driving member; 212. Transmission lead screw; 22. Guiding module; 221. Guide rail; 222. Upper limit block; 223. Lower limit block; 23. Connection module; 24. Main control circuit module; 25. Upper optical switch; 26. Lower optical switch; 27. Drag chain; 3. Grating scanning component; 31. First cantilever; 311. First receiving groove; 32. Second cantilever; 321. Second receiving groove; 33. Grating emission module; 34. Grating receiving module; 35. Cross beam; 36. Protection housing; 4. Side plate; 5. Housing. Detailed implementation manners

[0054] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are only a part rather than all of the embodiments of the present utility model. The description of at least one exemplary embodiment herein is actually only illustrative and in no way limits the present utility model and its application or use. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0055] It should be noted that the terms used herein are only for describing specific implementation manners and are not intended to limit the exemplary embodiments of the present utility model. As used herein, unless otherwise clearly specified in the context, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of the described features, steps, operations, devices, components and / or their combinations.

[0056] Unless otherwise specifically stated, the relative arrangements of the components and steps set forth in these embodiments, numerical expressions and values do not limit the scope of the present utility model. At the same time, it should be clear that, for the convenience of description, the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Technologies, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods and devices should be regarded as part of the specification. In all the examples shown and discussed herein, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, it does not need to be further discussed in the subsequent drawings.

[0057] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by orientation terms such as "front, back, top, bottom, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom", etc. is usually based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description. Without contrary explanation, these orientation terms 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. Therefore, it should not be construed as a limitation on the protection scope of the present utility model: the orientation terms "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0058] For the convenience of description, spatial relative terms such as "above...", "over...", "on the upper surface of...", "above" etc. can be used here to describe the spatial positional relationship between a device or feature shown in the drawings and other devices or features. It should be understood that the spatial relative terms are intended to cover different orientations in use or operation in addition to the orientation described in the drawings for the device. For example, if the device in the drawing is inverted, the device described as "above other devices or structures" or "over other devices or structures" will then be positioned as "below other devices or structures" or "under other devices or structures". Thus, the exemplary term "above..." can include both the orientations of "above..." and "below...". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and corresponding interpretations are made for the spatial relative descriptions used here.

[0059] In addition, it should be noted that using words such as "first", "second", etc. to limit components is only for the convenience of distinguishing the corresponding components. Without additional statement, the above words have no special meaning. Therefore, it should not be construed as a limitation on the protection scope of the present utility model.

[0060] It should be noted that without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0061] The knee joint is the largest and most complex joint in the human body. The knee joint distance refers to the horizontal distance between the inner sides of the two knee joints when the person to be measured stands with legs straight and together. The ankle joint refers to the distance between the inner sides of the two ankles when the feet are together. According to the differences in the knee joint distance and the ankle joint distance, there are different situations such as normal development, genu varum and genu valgum. Among them, genu varum and genu valgum are common knee joint dysplasia conditions, especially common in the adolescent group.

[0062] Genu varum, also known as bowed legs; genu valgum, also known as knock knees. For genu varum or genu valgum, in mild cases, it only affects the appearance of the lower limbs of the human body, without obvious pain or limited movement; in severe cases, the knee joint is severely deformed, the flexion and extension of the knee joint are limited, and it may eventually evolve into osteoarthritis, seriously affecting the normal life of patients and bringing great inconvenience and physical and mental harm to people.

[0063] In the prior art, the main measurement indicators for the development of the knee joint are the knee distance and the ankle distance. Among them, when the knee distance or the ankle distance is less than or equal to 3 cm, it is mild dysplasia of the knee joint; when the knee distance or the ankle distance is greater than 3 cm and less than or equal to 10 cm, it is moderate dysplasia of the knee joint; when the knee distance or the ankle distance is greater than 10 cm, it is severe dysplasia of the knee joint.

[0064] Therefore, by measuring the knee distance and the ankle distance to judge the development of the knee joint of the person to be tested and taking corresponding treatment measures in time is of great significance for people's healthy life.

[0065] See Figures 1 to 10 , which shows a schematic diagram of a knee distance measuring device provided in the present invention, including: a base 1, an up-and-down moving component 2, and a grating scanning component 3; a standing surface 11 is provided on the upper side of the base 1 for the person to be tested to stand on during measurement; the up-and-down moving component 2 is fixedly arranged on one side of the base 1; the grating scanning component 3 is connected to the up-and-down moving component 2, and the up-and-down moving component 2 drives the grating scanning component 3 to move up and down to scan the knee joint and ankle joint of the person to be tested during measurement, so as to obtain the knee joint grating image and the ankle joint grating image of the person to be tested; the knee joint grating image and the ankle joint grating image of the person to be tested are used to obtain the knee distance and the ankle distance of the person to be tested.

[0066] In this embodiment, the standing surface 11 on the base 1 provides a standing position for the person to be tested, and the up-and-down moving component 2 drives the grating scanning component 3 to move up and down, so as to use the grating scanning component 3 to scan the knee joint and ankle joint of the person to be tested, obtain the knee joint grating image and the ankle joint grating image, and analyze and obtain the knee distance and the ankle distance of the person to be tested by using the knee joint grating image and the ankle joint grating image. In the knee distance and ankle distance measuring device provided in the present invention, during use, the person to be tested stands on the standing surface 11, and the knee joint grating image and the ankle joint grating image of the person to be tested are scanned and obtained through the grating scanning component 3. Therefore, the knee distance and the ankle distance can be directly obtained according to the obtained grating images. Therefore, the knee distance and ankle distance measuring device of the present invention solves the technical problem in the prior art that when measuring the knee distance and the ankle distance, manual measurement is generally used, and situations such as inaccurate positioning or shaking often occur, resulting in large measurement errors and affecting the measurement results of the knee distance and the ankle distance.

[0067] Specifically, during use, the person to be tested stands on the standing surface 11 with their feet together in the posture to be tested. The grating scanning component 3 is adjusted to a position below the ankles of the person to be tested by using the up-and-down moving component 2. The grating scanning component 3 is started, and the up-and-down moving component 2 is used to drive the grating scanning component 3 to move upward until the grating scanning component 3 is moved above the knees of the person to be tested, thereby completing the grating scanning of the ankles and knees of the person to be tested, obtaining a knee grating image and an ankle grating image, with reference to Figure 2 ; after obtaining the knee grating image and the ankle grating image, by using the grating data in the knee grating image and the ankle grating image, and combining with the design parameters of the grating scanning component 3, manual analysis or software is used for pixel analysis to obtain the knee distance and ankle distance of the person to be tested, so that medical staff can judge the development status of the knees of the person to be tested according to the knee distance and ankle distance, and take corresponding medical measures in time. Through the collaborative design of the grating emission module 33 and the grating reception module 34 of the present utility model, non-contact, high-precision, and high-efficiency measurement of the knee distance and ankle distance is achieved, which is significantly better than traditional manual tools and has clear clinical and engineering application values.

[0068] Furthermore, marking points can be set on the knees and ankles of the person to be tested, so as to facilitate accurately positioning the positions of the knees and ankles in the obtained knee grating image and ankle grating image, in order to analyze and obtain their knee distance and ankle distance.

[0069] Furthermore, with reference to Figure 1 , a housing 5 can also be provided on the up-and-down moving component 2 to protect the up-and-down moving component 2 during use.

[0070] Optionally, with reference to Figures 3 to 5 , the grating scanning component 3 in the present utility model includes a first cantilever 31, a second cantilever 32, a grating emission module 33, a grating reception module 34, and a cross beam 35; the middle of the cross beam 35 is connected to the up-and-down moving component 2; the first cantilever 31 and the second cantilever 32 are respectively fixedly arranged at both ends of the cross beam 35, and the first cantilever 31 and the second cantilever 32 are located on both sides above the standing surface 11; the grating emission module 33 is fixedly arranged on the first cantilever 31; the grating reception module 34 is fixedly arranged on the second cantilever 32 and corresponds to the grating emission module 33.

[0071] In this embodiment, a structured grating with a specific wavelength and mode, such as parallel grating lines, grid gratings, or Moiré fringes, is emitted by a grating emission module 33 on the first cantilever 31. By projecting the grating pattern, the surface profile of the object to be measured is marked. A grating reception module 34 corresponding to the grating emission module 33 is arranged on the second cantilever 32 to capture the grating pattern reflected or blocked by the surfaces of the knee joint and ankle joint of the person to be measured, so as to obtain a knee joint grating image and an ankle joint grating image for the analysis of the ankle distance and knee distance.

[0072] Furthermore, the cross beam 35, the first cantilever 31, and the second cantilever 32 in this embodiment can all be selected to be made of aluminum alloy and are fixedly connected by bolts.

[0073] Optionally, referring to Figure 4 , a first accommodation groove 311 is provided in the first cantilever 31 of the present utility model, a second accommodation groove 321 is provided in the second cantilever 32, and the openings of the first accommodation groove 311 and the second accommodation groove 321 are arranged opposite to each other; the grating emission module 33 is fixedly arranged in the first accommodation groove 311; the grating reception module 34 is fixedly arranged in the second accommodation groove 321.

[0074] In this embodiment, the first accommodation groove 311 and the second accommodation groove 321 are used to accommodate and protect the grating emission module 33 and the grating reception module 34, preventing the grating emission module 33 and the grating reception module 34 from being damaged by collisions, etc.

[0075] Specifically, the grating emission module 33 can be detachably installed in the first accommodation groove 311 through fasteners such as bolts, and the grating reception module 34 can be detachably installed in the second accommodation groove 321 through fasteners such as bolts.

[0076] Optionally, referring to Figures 3 to 5 , the grating scanning assembly 3 of the present utility model further includes a protective housing 36, and the protective housing 36 is sleeved on the cross beam 35, the first cantilever 31, and the second cantilever 32; openings are provided at positions on the protective housing 36 opposite to the first accommodation groove 311 and the second accommodation groove 321.

[0077] In this embodiment, the protective housing 36 is sleeved on the cross beam 35, the first cantilever 31, and the second cantilever 32, thereby protecting the cross beam 35, the first cantilever 31, the second cantilever 32, and the grating emission module 33 and the grating reception module 34 from being damaged by collisions or dust, etc.

[0078] Optionally, referring to Figures 6 to 10, in the up-and-down movement component 2 of the present utility model, it includes a driving module 21, a guiding module 22, a connecting module 23 and a main control circuit module 24; the guiding module 22 is vertically and fixedly arranged on one side of the base 1; the connecting module 23 is movably arranged on the guiding module 22, and the grating scanning component 3 is fixedly installed on the connecting module 23; the main control circuit module 24 is electrically connected to the driving module 21; the driving module 21 is fixedly arranged on the guiding module 22, and the driving module 21 is connected to the connecting module 23; the main control circuit module 24 is used to control the driving module 21 to drive the connecting module 23 to drive the grating scanning component 3 to move up and down.

[0079] In this embodiment, the main control circuit module 24 includes a power supply and a motor driver. The power supply is used to supply power to the driving member 211, the upper photoelectric switch 25, the lower photoelectric switch 26 and other electrical equipment. The motor driver is connected to the driving member 211 and is used to control the operation of the driving member 211.

[0080] In this embodiment, when it is necessary to move the grating scanning component 3 up and down to scan and obtain the grating images of the knee joint and ankle joint of the person to be tested, the driving module 21 is started, so that the driving module 21 drives the connecting module 23 to move up and down along the guiding module 22, thereby driving the grating scanning component 3 to move up and down through the connecting module 23.

[0081] Furthermore, the up-and-down movement component 2 further includes a drag chain 27, which is used to accommodate and protect the data wire harness and power wire harness in the grating scanning component 3 to prevent damage to the data wire harness and power wire harness during the up-and-down movement.

[0082] Optionally, referring to Figure 7 , the up-and-down movement component 2 of the present utility model further includes an upper photoelectric switch 25 and a lower photoelectric switch 26; a guiding rail 221 is vertically arranged on the guiding module 22, and the connecting module 23 is movably arranged on the guiding rail 221; the upper photoelectric switch 25 and the lower photoelectric switch 26 are arranged on the side of the guiding rail 221 and are both electrically connected to the main control circuit module 24; the upper photoelectric switch 25 is higher than the lower photoelectric switch 26.

[0083] In this embodiment, the upper photoelectric switch 25 and the lower photoelectric switch 26 are arranged on the side of the guiding rail 221. When the connecting module 23 moves past the upper photoelectric switch 25 or the lower photoelectric switch 26, the photoelectric switch signal triggers the main control circuit module 24 to gradually decelerate the driving module 21 until it stops, so that the connecting module 23 also gradually stops, preventing excessive upward or downward movement from causing collision damage to the grating scanning component 3 and improving safety performance and controllability.

[0084] Optionally, referring to Figure 7 and Figure 8, on the guide rail 221 in the present utility model, an upper limit block 222 and a lower limit block 223 are provided, and the upper limit block 222 and the lower limit block 223 are arranged in the moving direction of the connection module 23; the height of the upper limit block 222 is higher than that of the upper optoelectronic switch 25; the height of the lower limit block 223 is lower than that of the lower optoelectronic switch 26.

[0085] In this embodiment, an upper limit block 222 and a lower limit block 223 are provided on the guide rail 221 to achieve physical redundancy protection during use, as protection when the optoelectronic switch fails, and to prevent the connection module 23 and the grating scanning assembly 3 from being damaged by collision due to excessive upward or downward movement.

[0086] Optionally, referring to Figure 8 , Figure 9 and Figure 10 , the drive module 21 in the present utility model includes a drive member 211 and a transmission lead screw 212; the drive member 211 is arranged at the upper end of the guide module 22, and the drive member 211 is electrically connected to the main control circuit module 24; a cavity is provided in the guide module 22, the transmission lead screw 212 is arranged in the cavity, and the upper end of the transmission lead screw 212 is connected to the drive member 211; a part of the connection module 23 extends into the cavity, and is sleeved on the transmission lead screw 212 through a threaded sleeve, and the threaded sleeve is connected to the grating scanning assembly 3.

[0087] In this embodiment, the drive member 211 drives the transmission lead screw 212 to rotate forward or backward, so that the connection module 23 moves upward or downward under the action of the threaded sleeve, that is, the threaded sleeve is connected to the grating scanning assembly 3 through the connection module 23.

[0088] Further, the drive member 211 can be selected as a stepper motor. Among them, the motor driver is a well-known public device purchased on the market, and it is a servo stepper motor driver with the model ZDM-2HA860.

[0089] Optionally, referring to Figure 1 , the measuring device for knee distance and ankle distance in the present utility model further includes two side plates 4, and the two side plates 4 are arranged opposite and vertically on the side of the base 1 and are outside the grating scanning assembly 3.

[0090] In this embodiment, two side plates 4 are arranged opposite and vertically on the side of the base 1 to provide support for the person to be measured during use to ensure the standing stability of the person to be measured and improve the measurement accuracy.

[0091] Further, the side plate 4 can be detachably connected to the base 1 through a slide rail.

[0092] Optionally, at least one of the side plates 4 in the present utility model is provided with a handrail.

[0093] In this embodiment, armrests are provided on the side panels 4 to accommodate test subjects of all ages.

[0094] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0095] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A measuring device for knee distance and ankle distance, characterized in that The measuring device for knee distance and ankle distance includes: a base (1), an up-and-down moving component (2), and a grating scanning component (3); On the upper side of the base (1), a standing surface (11) is provided for the person to be measured to stand on during measurement; The up-and-down moving component (2) is fixedly arranged on one side of the base (1); The grating scanning component (3) is connected to the up-and-down moving component (2), and the up-and-down moving component (2) drives the grating scanning component (3) to move up and down to scan the knee joint and ankle joint of the person to be measured during measurement, so as to obtain the grating image of the knee joint and the grating image of the ankle joint of the person to be measured; The grating images of the knee joint and ankle joint of the person to be measured are used to obtain the knee distance and ankle distance of the person to be measured.

2. The measuring device for knee distance and ankle distance according to claim 1, characterized in that, The grating scanning component (3) includes a first cantilever (31), a second cantilever (32), a grating emission module (33), a grating reception module (34), and a cross beam (35); The middle part of the cross beam (35) is connected to the up-and-down moving component (2); The first cantilever (31) and the second cantilever (32) are respectively fixedly arranged at both ends of the cross beam (35), and the first cantilever (31) and the second cantilever (32) are located on both sides above the standing surface (11); The grating emission module (33) is fixedly arranged on the first cantilever (31); The grating reception module (34) is fixedly arranged on the second cantilever (32) and corresponds to the grating emission module (33).

3. The measuring device for knee and ankle spacings according to claim 2, characterized in that, A first accommodation groove (311) is arranged in the first cantilever (31), a second accommodation groove (321) is arranged in the second cantilever (32), and the openings of the first accommodation groove (311) and the second accommodation groove (321) are arranged oppositely; The grating emission module (33) is fixedly arranged in the first accommodation groove (311); The grating reception module (34) is fixedly arranged in the second accommodation groove (321).

4. The measuring device for knee distance and ankle distance according to claim 3, characterized in that, The grating scanning component (3) further includes a protective housing (36), and the protective housing (36) is sleeved on the cross beam (35), the first cantilever (31), and the second cantilever (32); Openings are arranged at positions of the protective housing (36) opposite to the first accommodation groove (311) and the second accommodation groove (321).

5. The measuring device for knee distance and ankle distance according to claim 1, characterized in that, The up-and-down moving component (2) includes a driving module (21), a guiding module (22), a connecting module (23), and a main control circuit module (24); The guiding module (22) is vertically and fixedly arranged on one side of the base (1); The connecting module (23) is movably arranged on the guiding module (22), and the grating scanning component (3) is fixedly installed on the connecting module (23); The main control circuit module (24) is electrically connected to the driving module (21); The driving module (21) is fixedly arranged on the guiding module (22), and the driving module (21) is connected to the connecting module (23); The main control circuit module (24) is used to control the drive module (21) so that the connection module (23) drives the raster scanning assembly (3) to move up and down.

6. The measuring device for knee distance and ankle distance according to claim 5, characterized in that, The up-and-down movement assembly (2) further includes an upper optoelectronic switch (25) and a lower optoelectronic switch (26); A guide rail (221) is vertically arranged on the guide module (22), and the connection module (23) is movably arranged on the guide rail (221); The upper optoelectronic switch (25) and the lower optoelectronic switch (26) are arranged on the side of the guide rail (221) and are both electrically connected to the main control circuit module (24); The upper optoelectronic switch (25) is higher than the lower optoelectronic switch (26).

7. The measuring device for knee distance and ankle distance according to claim 6, characterized in that, An upper limit block (222) and a lower limit block (223) are arranged on the guide rail (221), and the upper limit block (222) and the lower limit block (223) are arranged in the moving direction of the connection module (23); The height of the upper limit block (222) is higher than that of the upper optoelectronic switch (25); The height of the lower limit block (223) is lower than that of the lower optoelectronic switch (26).

8. The measuring device for knee distance and ankle distance according to claim 5, characterized in that, The drive module (21) includes a drive member (211) and a transmission lead screw (212); The drive member (211) is arranged at the upper end of the guide module (22), and the drive member (211) is electrically connected to the main control circuit module (24); A cavity is arranged in the guide module (22), the transmission lead screw (212) is arranged in the cavity, and the upper end of the transmission lead screw (212) is connected to the drive member (211); A part of the connection module (23) extends into the cavity and is sleeved on the transmission lead screw (212) through a threaded sleeve, and the threaded sleeve is connected to the raster scanning assembly (3).

9. The measuring device for knee and ankle distances according to claim 1, characterized in that, The measuring device for knee distance and ankle distance further includes two side plates (4), and the two side plates (4) are relatively and vertically arranged on the side of the base (1) and are outside the raster scanning assembly (3).

10. The measuring device for knee distance and ankle distance according to claim 9, characterized in that, At least on one of the side plates (4), a handrail is arranged.

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