Novel measuring scale

Abstract

The utility model relates to a novel measuring scale which comprises a measuring scale body, the measuring scale body is composed of an upper scale body and a lower scale body which are rotatably connected, the upper scale body and the lower scale body are hinged through a mounting shaft, and the upper scale body and the lower scale body are of telescopic rod body structures. The opposite ends of the upper ruler body and the lower ruler body are correspondingly connected with automatic curling measuring rulers respectively, each automatic curling measuring ruler comprises a first elastic tape and a second elastic tape which extend out of the two sides of the upper ruler body and the two sides of the lower ruler body, and the first elastic tape and the second elastic tape are both made of sheet-shaped steel bars with arc-shaped cross sections. The outer surfaces of the sheet-shaped steel bars are wrapped with soft plastic sleeves, and the upper surfaces of the soft plastic sleeves are marked with sizes. The measuring ruler has the advantage of being easy to store through the structure of the telescopic upper ruler body and the telescopic lower ruler body and the curled structure of the first elastic tape measure and the second elastic tape measure, medical staff contract the measuring ruler and then directly place the measuring ruler in a pocket for storage, and the measuring ruler is flexible and convenient to store and use.

Description

Technical Field

[0001] The utility model relates to the technical field of medical clinical equipment, in particular to a novel measuring ruler. Background Art

[0002] Lower extremity venous thrombosis is a common peripheral vascular disease. Venous valve insufficiency and concurrent pulmonary embolism caused by lower extremity venous thrombosis are a major threat to the patient's labor and life safety. This disease has always been highly valued in clinical practice. Clinically, the measurement is made at 15 cm above the midpoint of the patella and 10 cm below the midpoint of the patella. The muscle tissue structure of these two places is intact and can fully reflect the edema caused by obstruction of venous return.

[0003] At present, the commonly used method of measuring leg circumference in clinical nurse work is to first visually measure the midpoint of the patella according to the upper and lower edges of the patella, mark the midpoint of the patella, then use a ruler to measure 15cm upwards and mark it, which is the measurement place of the thigh leg circumference, then use a ruler to measure 10cm downwards from the midpoint of the patella and mark it, which is the measurement place of the calf leg circumference, and then use a soft ruler to measure the calf circumference of the upper 15cm of the midpoint of the patella and the lower 10cm of the midpoint of the patella respectively, measure every day to observe the change of leg circumference, and guide the clinical evaluation of treatment effect. This measurement method has cumbersome operation process, is inconvenient, slow and inefficient. In addition, the existing measuring ruler is large in size and inconvenient to carry. Utility Model Content

[0004] In order to solve the shortcomings of the prior art, the utility model provides a novel measuring ruler which is small in size, convenient to store and use, and flexible.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A novel measuring ruler comprises a measuring ruler body, wherein the measuring ruler body is composed of an upper ruler body and a lower ruler body which are rotatably connected, wherein the upper ruler body and the lower ruler body are hinged via an installation shaft, wherein the upper ruler body and the lower ruler body are retractable rod structures, wherein opposite ends of the upper ruler body and the lower ruler body are respectively connected with automatic curling measuring rulers, wherein the automatic curling measuring ruler comprises a first elastic tape measure and a second elastic tape measure extending from both sides of the upper ruler body and the lower ruler body, wherein the first elastic tape measure and the second elastic tape measure are both made of a sheet steel bar with an arc-shaped cross section, wherein the sheet steel bar is wrapped with a soft plastic cover, and the upper surface of the soft plastic cover is marked with dimensions.

[0007] Preferably, the widths of the first elastic tape measure and the second elastic tape measure are both 5-10 mm; the dimensions marked on the first elastic tape measure and the dimensions marked on the second elastic tape measure are marked starting at the end close to the measuring ruler body.

[0008] Preferably, the upper ruler body and the lower ruler body both include a fixed sleeve and a telescopic rod extending from the outer end of the fixed sleeve, and the dimensions marked on the upper ruler body and the lower ruler body take the end close to the mounting axis as the marking starting end; when the telescopic rod is in a fully extended state, its marking data is exactly connected with the marking data of the fixed sleeve.

[0009] Preferably, the telescopic rod is provided with a channel running through both sides, and grooves connected to the channel are provided on both sides of the telescopic rod, and the height of the groove is greater than the height of the channel; the first elastic tape measure and the second elastic tape measure are connected by a connecting plate, the thickness of the connecting plate is less than the thickness of the first elastic tape measure and the second elastic tape measure, and the connecting plate is placed in the channel.

[0010] Preferably, the lower surface of the groove is provided with saw teeth, and the bottom surfaces of the first elastic tape measure and the second elastic tape measure at one end connected to the connecting plate are provided with limiting teeth meshing with the saw teeth.

[0011] Preferably, the teeth of the saw teeth and the limiting teeth are arc-shaped.

[0012] The beneficial effects of the utility model are:

[0013] The utility model adopts a sheet-shaped arc steel bar with a snap ring structure to realize instant measurement of leg circumference length; the sheet-shaped arc steel bar is straightened before use, and after the upper and lower ruler bodies are extended to measure the upper and lower patella, the first elastic tape measure and the second elastic tape measure are moved to a suitable position, and with a light push, the sheet-shaped arc steel bar is curled and put on the leg, and the measurer can directly observe the data of the connection between the two. The measuring ruler can achieve the advantage of easy storage through the retractable upper and lower ruler bodies and the curling structure of the first and second elastic tape measures. Medical staff can shrink it and directly put it in the pocket for storage. It is small in size, flexible and convenient to store. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of the novel measuring ruler of Example 1;

[0015] Figure 2 This is a schematic diagram of the internal structure of the connection between the first elastic measuring tape and the second elastic measuring tape in Example 2. DETAILED DESCRIPTION

[0016] The following is a further description of the specific implementation of the structural schematic diagram of a new measuring ruler of the utility model in combination with the embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model; ordinary technicians in the relevant technical field can also make various changes and modifications without departing from the spirit and scope of the utility model, so all equivalent technical solutions also belong to the scope of the utility model, and the patent protection scope of the utility model should be defined by the claims.

[0017] Example 1

[0018] Figure 1 A schematic structural diagram of an implementation scheme of the new measuring ruler of the utility model is shown.

[0019] This embodiment is a new type of measuring ruler, Figure 1 As shown, a new type of measuring ruler includes a measuring ruler body, the measuring ruler body consists of an upper ruler body 1 and a lower ruler body 2 which are rotatably connected, the upper ruler body 1 and the lower ruler body 2 are hinged by a mounting shaft 10, the upper ruler body 1 and the lower ruler body 2 are telescopic rod structures, the opposite ends of the upper ruler body 1 and the lower ruler body 2 are respectively connected with automatic curling measuring rulers, the automatic curling measuring ruler includes a first elastic tape 3 and a second elastic tape 4 extending from both sides of the upper ruler body 2 and the lower ruler body 2, the first elastic tape 3 and the second elastic tape 4 are both made of sheet steel bars with arc-shaped cross sections, the sheet steel bars are the snap ring structure used in the prior art, the sheet steel bars are wrapped with a soft plastic cover, and the upper surface of the soft plastic cover is marked with dimensions.

[0020] The widths of the first elastic tape measure 3 and the second elastic tape measure 4 are both 5-10 mm; the dimensions marked on the first elastic tape measure 3 and the dimensions marked on the second elastic tape measure 4 are marked starting at the end close to the measuring ruler body.

[0021] The upper ruler body 1 and the lower ruler body 2 both include a fixed sleeve 5 and a telescopic rod 6 extending from the outer end of the fixed sleeve 5. The dimensions marked on the upper ruler body 1 and the lower ruler body 2 take the end close to the mounting axis 10 as the marking starting end; when the telescopic rod 6 is in a fully extended state, its marking data is exactly connected with the marking data of the fixed sleeve.

[0022] Example 2

[0023] Based on Example 1, the novel measuring ruler is improved as follows.

[0024] Figure 2As shown, the telescopic rod 6 is provided with a channel 60 running through both sides, and both sides of the telescopic rod 6 are provided with grooves 61 connected to the channel 60, and the height of the groove 61 is greater than the height of the channel 60; the first elastic tape measure 3 and the second elastic tape measure 4 are connected by a connecting plate 7, the thickness of the connecting plate 7 is less than the thickness of the first elastic tape measure 3 and the second elastic tape measure 4, and the connecting plate 7 is placed in the channel 60.

[0025] The lower surface of the groove 61 is provided with saw teeth 8 , and the bottom surfaces of the ends of the first elastic tape measure 3 and the second elastic tape measure 4 connected to the connecting plate 7 are provided with limiting teeth 9 meshing with the saw teeth 8 .

[0026] The teeth of the saw teeth 8 and the limit teeth 9 are arc-shaped structures, and the meshing of the arc-shaped teeth can achieve movement under a certain thrust, so as to adjust the positions of the first elastic tape measure and the second elastic tape measure according to the leg conditions of the measurer.

[0027] Measurement of the upper and lower patella: directly extend the upper ulnar body and the lower ulnar body to measure the upper and lower patella.

[0028] Leg circumference measurement: Straighten the front curved steel bar, extend the upper and lower measuring tapes to measure the upper and lower patellas, move the first and second elastic measuring tapes to the appropriate positions, and push them gently. The curved steel bar will curl up and fit over the legs. The measurer can obtain the leg circumference data by directly observing the data of the connection between the two.

Claims

1. A novel measuring ruler, comprising a measuring ruler body, wherein the measuring ruler body is composed of an upper ruler body and a lower ruler body which are rotatably connected, wherein the upper ruler body and the lower ruler body are hingedly connected by a mounting shaft, and wherein: The upper ruler body and the lower ruler body are retractable rod structures, and the opposite ends of the upper ruler body and the lower ruler body are respectively connected with automatic curling measuring rulers, and the automatic curling measuring ruler comprises a first elastic measuring tape and a second elastic measuring tape extending from both sides of the upper ruler body and the lower ruler body, and the first elastic measuring tape and the second elastic measuring tape are both made of sheet steel bars with arc-shaped cross sections, and the surface of the sheet steel bars is wrapped with a soft plastic cover, and the upper surface of the soft plastic cover is marked with dimensions; The upper ruler body and the lower ruler body both include a fixed sleeve and a telescopic rod extending from the outer end of the fixed sleeve. The dimensions of the upper ruler body and the lower ruler body are marked with the end close to the mounting axis as the marking starting end; when the telescopic rod is fully extended, its marking data is exactly connected with the marking data of the fixed sleeve; The telescopic rod is provided with a channel running through both sides of the telescopic rod body, and both sides of the telescopic rod are provided with grooves connected to the channel, and the height of the groove is greater than the height of the channel; the first elastic tape measure and the second elastic tape measure are connected by a connecting plate, the thickness of the connecting plate is less than the thickness of the first elastic tape measure and the second elastic tape measure, and the connecting plate is placed in the channel; the lower surface of the groove is provided with saw teeth, and the bottom surface of one end of the first elastic tape measure and the second elastic tape measure connected to the connecting plate is provided with limiting teeth meshing with the saw teeth.

2. The novel measuring ruler according to claim 1, characterized in that: The widths of the first elastic tape measure and the second elastic tape measure are both 5-10 mm; the dimensions marked on the first elastic tape measure and the dimensions marked on the second elastic tape measure start from the end close to the measuring tape body.

3. The novel measuring ruler according to claim 1, characterized in that: The tooth tips of the saw teeth and the limiting teeth are arc-shaped structures.

Images