CN219048498U

CN219048498U - Angle measuring device

Info

Publication number: CN219048498U
Application number: CN202223274204.3U
Authority: CN
Inventors: 王译晨; 杨伟伟; 季云鹏; 孙一清
Original assignee: Nanjing University of Chinese Medicine
Current assignee: Nanjing University of Chinese Medicine
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-23
Anticipated expiration: 2032-12-07

Abstract

The utility model provides an angle measuring device, which relates to the field of medical measuring devices and comprises: the upper end surface and the lower end surface of the main measuring rod are provided with a strip-shaped mounting groove in a penetrating way, an auxiliary measuring plate is inserted in the strip-shaped mounting groove, and two barrier strips are symmetrically welded at the front side and the rear side of the top end of the main measuring rod; two strip-shaped track grooves are formed in the left side surface and the right side surface of the main measuring rod, a sliding frame is slidably arranged on the main measuring rod, and a notch is formed in the bottom of the sliding frame; the left side plate and the right side plate of the sliding frame are symmetrically penetrated and screwed with two jacking bolts, clamping plates of a strip-shaped structure are rotationally connected to the head end sections of the two jacking bolts, when the measuring device is idle, the auxiliary measuring plates can be inserted into the strip-shaped mounting grooves and are completely hidden in the main measuring rod, and compared with the traditional measuring device with two-position angle measuring plates in a cross hinged mode, the two-position angle measuring device is smaller in supporting occupied area and more portable.

Description

Angle measuring device

Technical Field

The utility model relates to the technical field of medical measurement devices, in particular to an angle measurement device.

Background

The severity of scoliosis is evaluated by measuring the lateral bending angle, and the angle measurement most commonly adopts a Cobb angle measurement method, and the current standard Cobb angle measurement method needs to draw a straight endplate line by extending the upper edge of the uppermost vertebral block and the lower edge of the lowermost vertebral block of the scoliosis part on an X-ray film, and the intersection included angle of two endplate lines is equal to the included angle of two perpendicular lines on the two endplate lines and is the Cobb angle, so that an angle measurement device is needed for measuring the Cobb angle.

For example, patent number CN202021099519.7 discloses a scoliosis angle measuring ruler, which comprises an upper end cone T-shaped ruler, a lower end cone T-shaped ruler and an angle scale; the upper end cone T-shaped ruler is consistent with the lower end cone T-shaped ruler in size and consists of an end cone extension ruler and a vertical ruler, the end cone extension ruler is connected with the vertical ruler through a rotating shaft, scales are marked on the angle scale, and the rotating shaft is arranged on the back of the angle scale and is connected with the middle of the vertical ruler of the upper end cone T-shaped ruler and the lower end cone T-shaped ruler. According to the utility model, through the design of the multiple rotating shafts, the measuring ruler can be stored in a straight line shape when not in use while the measuring angle is conveniently rotated, the occupied space is reduced, the storage is convenient, and the probability of unexpected breakage of the ruler is reduced. The sucker design is convenient for measurement operation, and measurement errors are reduced. The measuring ruler body is made of transparent acrylic plates, red positioning lines are marked on the measuring ruler body, accurate positioning can be carried out on the end cone no matter the measuring ruler body is used for measuring a human body or an X-ray film, and measuring accuracy is improved.

Because the existing measuring device is used for measuring the included angle, two measuring plates which are in cross joint are generally required to be configured, and the two measuring plates which are in cross joint can be in cross joint to contract together when the measuring plates are idle, but when the two measuring plates are in cross joint to contract, a small included angle still exists between the two measuring plates, the two measuring plates cannot be completely interpolated and hidden and overlapped together, the occupied supporting area is still large, and the carrying is inconvenient.

Disclosure of Invention

In view of this, the utility model provides an angle measuring device to solve the problems that when two measuring plates are crossed, abutted and contracted, a small included angle still exists between the two measuring plates, the two measuring plates cannot be completely inserted and hidden and overlapped with each other, the occupied supporting area is still large, and the two measuring plates are inconvenient to carry.

The utility model provides an angle measuring device, which specifically comprises: the upper end surface and the lower end surface of the main measuring rod are provided with a strip-shaped mounting groove in a penetrating way, an auxiliary measuring plate is inserted in the strip-shaped mounting groove, and two barrier strips are symmetrically welded at the front side and the rear side of the top end of the main measuring rod; two strip-shaped track grooves are formed in the left side surface and the right side surface of the main measuring rod, a sliding frame is slidably arranged on the main measuring rod, and a notch is formed in the bottom of the sliding frame; two jacking bolts are symmetrically and spirally installed on the left side plate and the right side plate of the sliding frame in a penetrating and screwing mode, and clamping plates with a strip-shaped structure are rotatably connected to the head end sections of the two jacking bolts; the two clamping plates are positioned in the sliding frame and are in sliding fit with the two strip-shaped track grooves, and the two clamping plates are used for clamping and fixing the auxiliary measuring plate; a sliding square frame is also sleeved on the main measuring rod in a sliding way; when the measuring device is used, the main measuring rod and the auxiliary measuring plate are arranged in a staggered mode in a crossing mode, the main measuring rod is aligned with the upper edge of the uppermost vertebral block of the scoliosis part, and the auxiliary measuring plate is aligned with the lower edge of the lowermost vertebral block of the scoliosis part.

Further, two sliding grooves are symmetrically formed in the middle positions of the inner sides of the left side plate and the right side plate of the sliding frame, and two clamping plates are in plug-in fit with the two sliding grooves.

Further, a locking bolt is arranged on the top end part of the left side plate of the sliding frame in a penetrating and screwing mode, and a horizontal top frame is welded on the top end of the sliding frame in a supporting and welding mode to the front side.

Furthermore, the top of sliding square frame still symmetrical welding has the angle measurement pole of two arc structures, all is provided with the angle measurement scale value on two angle measurement poles.

Further, the front end of the horizontal top frame is provided with a top shaft, and the circle centers of the two angle measuring rods and the top shaft are positioned on the same axis.

Further, during angle measurement, the top shaft is in abutting contact with the staggered included angle of the auxiliary measuring plate and the main measuring rod, and the two angle measuring rods are in plug-in fit with the auxiliary measuring plate.

Advantageous effects

1. According to the utility model, when the measuring device is idle, the auxiliary measuring plate can be inserted into the strip-shaped mounting groove and is completely hidden in the main measuring rod, compared with a traditional measuring device with two crossed and hinged angle measuring plates, the supporting occupied area is smaller and more portable when the measuring device is contracted, the auxiliary measuring plate can freely tilt and swing in the strip-shaped mounting groove and slide back and forth, so that the lower edges of the lowermost vertebrae with different positions and different inclinations are aligned, the main measuring rod can also freely tilt and swing relative to the auxiliary measuring plate and slide back and forth, so that the upper edges of the uppermost vertebrae with different positions and different inclinations are aligned, and finally the integral measuring compatibility of the angle measuring device can be ensured.

2. According to the utility model, the measuring assembly consisting of the sliding square frame and the two angle measuring rods is directly integrated on the measuring device body in a sliding way, an external angle measuring device is not required to be additionally arranged during measurement, the Cobb angle (included angle) between the two measuring plates can be directly measured after the two measuring plates are positioned in a crossed way, and the measuring device is convenient to use and is beneficial to improving the measuring efficiency.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.

The drawings described below are only for illustration of some embodiments of the utility model and are not intended to limit the utility model.

In the drawings:

FIG. 1 is a diagram of the overall contracted state of a measurement device according to an embodiment of the present utility model.

Fig. 2 is a state diagram of the measurement device according to the embodiment of the present utility model in a developed measurement state.

Fig. 3 is a schematic view of the structure of a main measuring rod according to an embodiment of the present utility model.

Fig. 4 is a schematic view of the structure of an angle measuring rod according to an embodiment of the present utility model.

Fig. 5 is a schematic view of a sliding frame structure according to an embodiment of the present utility model.

List of reference numerals

1. A main measuring rod; 101. a barrier strip; 2. an auxiliary measuring plate; 3. a sliding frame; 301. a clamping plate; 302. a jack bolt; 303. a chute; 4. sliding the square frame; 401. a locking bolt; 402. a flat top frame; 403. an angle measuring rod.

Detailed Description

In order to make the objects, aspects and advantages of the technical solution of the present utility model more clear, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present utility model.

Examples: please refer to fig. 1 to 5:

the utility model provides an angle measuring device, which comprises a main measuring rod 1, wherein a strip-shaped mounting groove is formed in the upper end surface and the lower end surface of the main measuring rod 1 in a penetrating way, when the measuring device is idle, an auxiliary measuring plate 2 can be inserted into the strip-shaped mounting groove and completely hidden in the main measuring rod 1, compared with a traditional measuring device with two-position angle measuring plates in a crossed and hinged way, the supporting occupied area is smaller and more portable when the measuring device is contracted, the auxiliary measuring plate 2 can freely tilt and swing in the strip-shaped mounting groove and slide forwards and backwards to be suitable for being aligned with the lower edges of lowermost vertebral blocks with different positions and different inclinations, the main measuring rod 1 can also freely tilt and swing forwards and backwards to be suitable for being aligned with the upper edges of uppermost vertebral blocks with different positions and different inclinations, finally, the whole measuring compatibility of the angle measuring device can be guaranteed, the auxiliary measuring plate 2 is inserted and installed in the strip-shaped mounting groove, and the front end and the rear two sides of the main measuring rod 1 are symmetrically welded with two stop bars 101; two strip-shaped track grooves are formed in the left side surface and the right side surface of the main measuring rod 1, a sliding frame 3 is slidably arranged on the main measuring rod 1, and a notch is formed in the bottom of the sliding frame 3; two jacking bolts 302 are symmetrically and spirally installed on the left side plate and the right side plate of the sliding frame 3 in a penetrating and screwing mode, and clamping plates 301 with a strip-shaped structure are rotatably connected to the head end sections of the two jacking bolts 302; the two clamping plates 301 are positioned in the sliding frame 3 and are in sliding fit with the two strip-shaped track grooves, the two clamping plates 301 are used for clamping and fixing the auxiliary measuring plate 2, so that the auxiliary measuring plate 2 is kept in a use state of cross measurement and interpolation hiding, the sliding frame 3 can slide along the main measuring rod 1, the auxiliary measuring plate 2 for oblique cross measurement at different positions is suitable for being pressed and fixed, and the two jacking bolts 302 can push the two clamping plates 301 to slide oppositely to implement tightness on the auxiliary measuring plate 2 and take the tightness on the sliding frame 3; a sliding square frame 4 is also sleeved on the main measuring rod 1 in a sliding way; when in use, the main measuring rod 1 and the auxiliary measuring plate 2 are staggered, the main measuring rod 1 is aligned with the upper edge of the uppermost vertebral block of the scoliosis part, and the auxiliary measuring plate 2 is aligned with the lower edge of the lowermost vertebral block of the scoliosis part; two sliding grooves 303 are symmetrically formed in the middle positions of the inner sides of the left side plate and the right side plate of the sliding frame 3, and two clamping plates 301 are in plug-in fit with the two sliding grooves 303; a locking bolt 401 is arranged on the top end part of the left side plate of the sliding frame 4 in a penetrating and screwing mode, and a horizontal top frame 402 is welded on the top end of the sliding frame 4 in a supporting and welding mode towards the front side.

The top end of the sliding frame 4 is symmetrically welded with two arc-shaped angle measuring rods 403, angle measuring scale values are arranged on the two angle measuring rods 403, the sliding frame 4 can slide back and forth along the main measuring rod 1, and the angle measuring device is suitable for measuring included angles at different positions of two measuring plates.

Wherein, the front end of horizontal top frame 402 is provided with a top axle, and the centre of a circle and the top axle of two angle measurement poles 403 are located same axis, and the measurement assembly that sliding square frame 4 and two angle measurement poles 403 constitute together directly slides and integrates on the measuring device body, need not to be equipped with external angle measuring utensil in the measurement, can directly measure Cobb angle (contained angle) between two measurement boards after two measurement boards cross-localization, convenient to use helps promoting measurement efficiency.

Wherein, the contact is supported with the crisscross contained angle of auxiliary measurement board 2 and main measuring stick 1 to the jackshaft during angle measurement, and two place angle measurement boards 403 are pegged graft with auxiliary measurement board 2 and are cooperated, and the contact is supported with the crisscross contained angle of auxiliary measurement board 2 and main measuring stick 1 to the jackshaft can guarantee that the centre of a circle of two place angle measurement boards 403 keeps concentric with the centre of a circle of the contained angle that awaits measuring, ensures the accuracy of two place angle measurement boards 403 to the contained angle measurement.

Specific use and action of the embodiment: when the measuring device is used, the main measuring rod 1 and the auxiliary measuring plate 2 are staggered, the main measuring rod 1 is aligned with the upper edge of the uppermost cone of the scoliosis part, the auxiliary measuring plate 2 is aligned with the lower edge of the lowermost cone of the scoliosis part, the auxiliary measuring plate 2 is clamped and fixed through the two clamping plates 301, the auxiliary measuring plate 2 is kept in a use state of cross measurement, then the top shaft is abutted against and contacted with the staggered included angle of the auxiliary measuring plate 2 and the main measuring rod 1, the two angle measuring rods 403 are matched with the auxiliary measuring plate 2 in a plugging manner, the circle centers of the two angle measuring rods 403 are kept concentric with the circle center of the included angle to be measured, and finally, the specific angle of the included angle (Cobb angle) is measured through the readings on the two angle measuring rods 403.

Claims

1. An angle measurement device, comprising: the device comprises a main measuring rod (1), wherein a strip-shaped mounting groove is formed in the upper end face and the lower end face of the main measuring rod (1) in a penetrating mode, an auxiliary measuring plate (2) is inserted into the strip-shaped mounting groove in a splicing mode, and two stop bars (101) are symmetrically welded at the front side and the rear side of the top end of the main measuring rod (1); two strip-shaped track grooves are formed in the left side surface and the right side surface of the main measuring rod (1), a sliding frame (3) is slidably arranged on the main measuring rod (1), and a notch is formed in the bottom of the sliding frame (3); two jacking bolts (302) are symmetrically and spirally arranged on the left side plate and the right side plate of the sliding frame (3) in a penetrating and screwing mode, and clamping plates (301) with a strip-shaped structure are rotatably connected to the head end sections of the two jacking bolts (302); the two clamping plates (301) are positioned in the sliding frame (3) and are in sliding fit with the two strip-shaped track grooves, and the two clamping plates (301) are used for clamping and fixing the auxiliary measuring plate (2); a sliding square frame (4) is also sleeved on the main measuring rod (1) in a sliding way; when in use, the main measuring rod (1) and the auxiliary measuring plate (2) are staggered, the main measuring rod (1) is aligned with the upper edge of the uppermost vertebral block of the scoliosis part, and the auxiliary measuring plate (2) is aligned with the lower edge of the lowermost vertebral block of the scoliosis part.

2. An angle measuring device as defined in claim 1, wherein: two sliding grooves (303) are symmetrically formed in the middle positions of the inner sides of the left side plate and the right side plate of the sliding frame (3), and two clamping plates (301) are in plug-in fit with the two sliding grooves (303).

3. An angle measuring device as defined in claim 1, wherein: a locking bolt (401) is arranged on the top end part of the left side plate of the sliding frame (4) in a penetrating and screwing mode, and a horizontal top frame (402) is welded on the top end of the sliding frame (4) in a supporting and welding mode to the front side.

4. An angle measuring device as claimed in claim 3, wherein: the top of the sliding square frame (4) is symmetrically welded with two arc-shaped angle measuring rods (403), and angle measuring scale values are arranged on the two angle measuring rods (403).

5. An angle measuring device as defined in claim 4, wherein: the front end of the horizontal top frame (402) is provided with a top shaft, and the circle centers of the two angle measuring rods (403) and the top shaft are positioned on the same axis.

6. An angle measuring device as defined in claim 5, wherein: during angle measurement, the top shaft is in abutting contact with the staggered included angle of the auxiliary measuring plate (2) and the main measuring rod (1), and the two angle measuring rods (403) are in plug-in fit with the auxiliary measuring plate (2).