CN214157311U

CN214157311U - Measuring instrument for relative difference of double leg lengths

Info

Publication number: CN214157311U
Application number: CN202022853748.XU
Authority: CN
Inventors: 冉珂
Original assignee: Second Affiliated Hospital of Guangzhou Medical University
Current assignee: Second Affiliated Hospital of Guangzhou Medical University
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-10
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a measuring instrument of long relative difference of both legs in the technical field of measuring instrument, which comprises a supporting base, a supporting vertical plate is fixedly arranged on the supporting base, slide bar mounting plates are arranged on the upper and lower sides of the front surface of the supporting vertical plate, four slide bars are fixedly arranged between the upper and lower slide bar mounting plates, sliders are arranged on the outer sides of the two slide bars on the left side and the two slide bars on the right side in a sliding way, a compression spring is sleeved on the outer wall of each slide bar, a scale ruler is vertically arranged between the sliders on the left and right sides, the two ends of the scale ruler are respectively fixed on the upper and lower slide bar mounting plates, a tip indicating plate is arranged on one side of the slider on the left and right sides close to the scale ruler on the front surface, a pedal support rod is fixedly arranged on the outer side wall of the slider on the left and right sides, a pedal is arranged on the outer sides of the upper and lower slide bar mounting plates, and the pedal support rod runs through the housing, the method has the characteristics of simple operation and accurate measurement.

Description

Measuring instrument for relative difference of double leg lengths

Technical Field

The utility model relates to a measuring apparatu technical field specifically is a long relative difference's of both legs measuring apparatu.

Background

The long and short legs are characterized in that when a person stands or walks, the legs are not as long as each other or the shoulders are obviously different in height, except for certain congenital diseases, the legs of most people are the same in length, so the long and short legs are called as long and short legs because the relative positions of the long and short legs are asymmetric, the long and short legs of the general people belong to hip joints and are not really one leg longer than the other leg, and the long and short legs are quite common and annoying problems, particularly teenagers. The long and short legs are formed by various reasons, such as traumatic fracture (car accident or accident), muscle tension discordance caused by nerve damage (such as cerebral palsy and stroke), or infectious diseases (poliomyelitis) which can cause the long and short legs.

The outpatient clinic diagnosis and treatment of the scoliosis patients in China usually observes the performance and degree of long and short legs through gait and standing posture, and few methods and tools for measuring the length difference of the two legs are available. In the life practice, the method of using the plates with different thicknesses of the supporting pads to accurately measure the long legs and the short legs is mostly adopted, the quantity of the supporting pads needs to be repeatedly increased and decreased for many times in the measuring process of the traditional measuring method, the total thickness of the supporting pads is finally calculated, the measuring process is complicated, and the measuring precision is low.

Based on this, the utility model designs a long relative difference's of both legs measuring apparatu to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long relative difference's of both legs measuring apparatu to solve above-mentioned technical problem.

In order to realize the purpose, the utility model provides the following technical scheme: a measuring instrument for the relative difference of the lengths of two legs comprises a supporting base, wherein a supporting vertical plate is fixedly installed on the supporting base, slide bar mounting plates are arranged on the upper side and the lower side of the front surface of the supporting vertical plate, four slide bars distributed in a rectangular array are fixedly installed between the slide bar mounting plates on the upper side and the lower side, slide blocks are respectively and slidably installed on the outer sides of the two slide bars on the left side and the two slide bars on the right side, a compression spring is sleeved on the outer wall of each slide bar, the upper end and the lower end of the compression spring are abutted between the slide blocks and the slide bar mounting plates below, a scale ruler is vertically arranged between the slide blocks on the left side and the right side, the two ends of the scale ruler are respectively fixed on the slide bar mounting plates on the upper side and the lower side, a tip indicating plate is arranged on one side edge of the slide blocks on the left side and the right side, and a pedal supporting rod is fixedly installed on the outer side wall of the slide blocks on the left side and the right side, the pedal support rod is provided with a pedal, the upper side and the lower side of the pedal support rod are provided with housings outside the slide bar mounting plates, and the pedal support rod penetrates through the housings.

Preferably, the left and right sides the pedal support rods are equally divided into two parallel sets, the cantilever ends of the two pedal support rods are provided with limit stops, the bottom of the pedal is provided with a pedal slider, and the pedal slider is in sliding sleeve connection with the two pedal support rods.

Preferably, the outer wall of the pedal sliding block is screwed with a hand screw for locking and positioning the pedal.

Preferably, the front of housing has been seted up the scale window, the left and right sides of housing all is provided with and is used for settling the spacing spout of footboard bracing piece.

Preferably, the supporting base comprises a bottom plate, one side of the bottom plate is connected with a vertical mounting side plate, the mounting side plate is fixedly mounted with the supporting vertical plate, and a supporting foot pad is arranged at the bottom of the bottom plate.

Compared with the prior art, utility model's beneficial effect does:

the utility model discloses the measuring apparatu of the long relative difference of both legs includes the left and right sides pedal, during the measurement, the human body stands on both sides pedal, and adjust the health and put right in the middle, wherein the pedal of the short one side of leg length can be higher than the opposite side under compression spring's spring action, through observing the scale on the middle scale, the numerical value difference several pairs of legs length that both sides tip indicator board instructed is poor, only need the patient directly to stand on pedal when changing the measuring apparatu and measuring, the scale on the scale can learn the measuring result in the middle of observing, intersect in traditional survey method, it is more simple and convenient and accurate.

Further, the utility model discloses the step pedal below of the measuring apparatu both sides of the long relative difference of both legs all is provided with the compression spring structure, and the step pedal of the short one side of both legs length rises automatically when measuring, and the scale has enough range, to a plurality of patients of the difference of both legs length, or to controlling the short patient of arbitrary one side of both legs, all can adopt same mode to carry out accurate measurement, have simple operation, characteristics that the suitability is strong.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of the structure of the cover of the present invention;

fig. 5 is a schematic view of the structure of the utility model in use.

In the drawings, the components represented by the respective reference numerals are listed below:

1-supporting base, 101-bottom plate, 102-mounting side plate, 103-supporting foot pad, 2-supporting vertical plate, 3-sliding rod mounting plate, 4-sliding rod, 5-sliding block, 6-compression spring, 7-graduated scale, 8-pointed indicator plate, 9-pedal supporting rod, 10-pedal, 11-housing, 12-limit stop, 13-pedal sliding block, 14-hand screw, 15-graduated window and 16-limit sliding groove.

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. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a technical solution: a measuring instrument for the relative difference value of the length of two legs comprises a supporting base 1, the supporting base 1 comprises a bottom plate 101, one side of the bottom plate 101 is connected with a vertical installation side plate 102, the installation side plate 102 is fixedly installed with a supporting vertical plate 2, the bottom of the bottom plate 101 is provided with a supporting foot pad 103, three-point contact is realized to ensure stable placement, the supporting vertical plate 2 is fixedly installed on the supporting base 1, the upper side and the lower side of the front surface of the supporting vertical plate 2 are respectively provided with a slide bar installation plate 3, four slide bars 4 distributed in a rectangular array are fixedly installed between the slide bar installation plates 3 on the upper side and the lower side, the outer sides of the two slide bars 4 on the left side and the two slide bars 4 on the right side are respectively provided with a slide block 5 in a sliding mode, a linear bearing can be embedded in the inner cavity of each slide block 5, the slide bars 4 are arranged in the linear bearings in a penetrating mode to reduce resistance friction, the outer wall of each slide bar 4 is sleeved with a compression spring 6, and the upper end and the lower end of each compression spring 6 is abutted between each slide bar installation plate 3, erect between the left and right sides slider 5 and be provided with scale 7, on 7 both ends of scale were fixed in upper and lower both sides slide bar mounting panel 3 respectively, 7 sides of scale were all provided with tip indicator board 8 to the left and right sides slider 5 openly pressed close to, and the equal fixed mounting of the lateral wall of left and right sides slider 5 has pedal support rod 9, is provided with pedal 10 on the pedal support rod 9, and housing 11 is installed in the upper and lower both sides slide bar mounting panel 3 outside, and pedal support rod 9 runs through housing 11.

Wherein, the left and right sides footboard bracing piece 9 is equallyd divide and is do not be two and sets up in parallel, two footboard bracing pieces 9 are parallel to each other, the cantilever end of two footboard bracing pieces 9 is provided with limit stop 12 for prevent that footboard slider 13 and footboard bracing piece 9 from breaking away from, the bottom of footboard 10 is provided with footboard slider 13, footboard slider 13 cup joints with two footboard bracing pieces 9 slip, 13 inner chambers of footboard slider can inlay and establish linear bearing, footboard bracing piece 9 wears to locate in linear bearing, reduce the resistance friction, make its side-to-side slip more smooth-going.

Furthermore, the outer wall of the pedal sliding block 13 is screwed with a hand screw 14 for locking and positioning the pedal 10, the threaded end of the hand screw 14 is screwed and then abutted against one of the pedal supporting rods 9 to realize positioning, and the outer wall of the hand screw end of the hand screw 14 is processed by knurling or other anti-skid threads, so that the resistance is increased, and the rotation operation is facilitated.

Referring to fig. 4, a scale window 15 is formed in the front surface of the housing 11, a transparent glass or acrylic panel may be embedded in the scale window 15, the scales of the scale 7 may be viewed, and foreign objects may be prevented from entering the inner cavity, two limiting sliding grooves 16 for placing the pedal support rods 9 are formed in each of the left and right sides of the housing 11, the two limiting sliding grooves 16 are formed in parallel, slightly larger than the pedal support rods 9 and correspond to the two pedal support rods 9, the pedal support rods 9 are supported by the lowest limiting sliding grooves 16 after descending to the lowest position, and at this time, the lower ends of the pedal support rods 9 have a certain margin for accommodating the compressed compression springs 6.

One specific application of this embodiment is:

referring to fig. 5, in the measurement use, the device is placed on a horizontal plane against a wall, the patient stands on the pedals 10 on both sides, and keeps the body centered and aligned, the pedal 10 pushed by the longer side overcomes the elastic force of the compression spring 6 and descends to the lowest point, and the pedal 10 of the side having the shorter leg length is higher than the other side by the elastic force of the compression spring 6, by observing the scale on the middle graduated scale 7 and the numerical value difference indicated by the tip indicating plates 8 at the two sides, the length difference of the two legs is several, when the measuring instrument is used for measuring, a patient only needs to stand on the pedal 10 directly to observe the scale on the middle graduated scale 7 to obtain the measuring structure, in order to facilitate the scale reading, when the sliding block 5 is descended to the lowest point, the scale indicated by the pointed indicating plate 8 is zero scale, the scale indicated by the tip indicating plate 8 on the shorter side is the actual measurement result value in the actual measurement.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A measuring apparatu of long relative difference of both legs which characterized in that: including supporting base (1), fixed mounting has support riser (2) on supporting base (1), both sides all are provided with slide bar mounting panel (3) about supporting riser (2) openly about the both sides have four slide bar (4) that are the rectangle array and distribute between slide bar mounting panel (3), two on the left side slide bar (4) and right side are two the equal slidable mounting in outside of slide bar (4) has slider (5), the outer wall cover of slide bar (4) is equipped with compression spring (6), the upper and lower both ends butt of compression spring (6) is in slider (5) and below between slide bar mounting panel (3), the left and right sides erect between slider (5) and be provided with scale (7), scale (7) both ends are fixed in upper and lower both sides respectively on slide bar mounting panel (3), the left and right sides slider (5) openly press close to scale (7) one side all is provided with tip (7) Indicator board (8), the left and right sides the equal fixed mounting of lateral wall of slider (5) has pedal support rod (9), be provided with pedal (10) on pedal support rod (9), both sides from top to bottom housing (11) are installed in slide bar mounting panel (3) outside, pedal support rod (9) run through housing (11).

2. A two-leg long relative difference meter according to claim 1, wherein: the left and right sides footboard bracing piece (9) are equallyd divide and are two and set up in parallel, two the cantilever end of footboard bracing piece (9) is provided with limit stop (12), the bottom of footboard (10) is provided with footboard slider (13), footboard slider (13) and two footboard bracing piece (9) slip cup joint.

3. A two-leg long relative difference meter according to claim 2, wherein: the outer wall of the pedal sliding block (13) is screwed with a hand screw (14) for locking and positioning the pedal (10).

4. A two-leg long relative difference meter according to claim 1, wherein: the front of housing (11) has been seted up scale window (15), the left and right sides of housing (11) all is provided with and is used for settling spacing spout (16) of footboard bracing piece (9).

5. A two-leg long relative difference meter according to claim 1, wherein: the supporting base (1) comprises a bottom plate (101), one side of the bottom plate (101) is connected with a vertical mounting side plate (102), the mounting side plate (102) and the supporting vertical plate (2) are fixedly mounted, and a supporting foot pad (103) is arranged at the bottom of the bottom plate (101).