CN214502286U

CN214502286U - Utensil is examined to medical bone nail key dimension

Info

Publication number: CN214502286U
Application number: CN202120898841.4U
Authority: CN
Inventors: 李红献; 李红闪; 陈鹏辉
Original assignee: Kunshan Jiemai Seiko Co ltd
Current assignee: Kunshan Jiemai Seiko Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-10-26
Anticipated expiration: 2031-04-28

Abstract

The utility model relates to a medical bone nail key size checking fixture, which comprises a lower plate, a middle plate, an upper detection piece, an upper inductor and a nut; the upper plate and the middle plate are connected with the lower plate through connecting columns, the middle plate is located between the lower plate and the upper plate, an air cylinder is arranged on the upper plate, an upper detection piece is movably connected with the upper plate through a piston rod of the air cylinder, the upper detection piece is movably connected with the middle plate through a nut, the upper detection piece corresponds to the upper sensor in position, the upper detection piece penetrates through the middle plate, a lower detection piece is arranged on the lower plate, the upper detection piece corresponds to the lower detection piece in position, and a thread detection piece is arranged on the upper detection piece. The utility model provides an utensil is examined to medical bone nail key size has reduced manpower intensity of labour, has improved work efficiency, has reduced artificial measuring error, has practiced thrift manufacturing cost.

Description

Utensil is examined to medical bone nail key dimension

Technical Field

The utility model relates to a detection area, concretely relates to utensil is examined to medical bone nail key dimension.

Background

The checking fixture is a general name of a device for detecting parts, the precision requirement of accessories in the medical field is high, the size of the parts is required to meet the requirement before use, and particularly the critical size of the parts is required to be qualified.

Whether its size is qualified needs to be detected after the bone nail part is produced, and the detection mode commonly used now is that the inspector detects the bone nail with the help of measuring instruments such as slide caliper rule, altitude gauge and amesdial, and the manual work detects manpower intensity of labour greatly, and work efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a utensil is examined to medical bone nail key dimension solves above problem.

In order to achieve the above object, the present invention provides the following technical solutions:

a medical bone nail key size detection tool comprises a lower plate, a middle plate, an upper detection piece, an upper inductor and a nut; the upper plate and the middle plate are connected with the lower plate through connecting columns, the middle plate is located between the lower plate and the upper plate, an air cylinder is arranged on the upper plate, an upper detection piece is movably connected with the upper plate through a piston rod of the air cylinder, the upper detection piece is movably connected with the middle plate through a nut, the upper detection piece corresponds to the upper sensor in position, the upper detection piece penetrates through the middle plate, a lower detection piece is arranged on the lower plate, the upper detection piece corresponds to the lower detection piece in position, and a thread detection piece is arranged on the upper detection piece.

Further, it has a plurality ofly to go up the inductor, the screw thread detects a link up nut, still include push pedal and side detection piece on going up the detection piece, it is located hypoplastron middle part to detect the piece down.

Further, go up the inductor and detect a symmetry about the screw thread, the side detects a position in the push pedal, the screw thread detects specifically and is the round platform shape, it includes detection post, lower inductor, spring and puts a circle to detect down.

Furthermore, the upper inductor is distributed in a circumferential array mode by taking the thread detection piece as a center, the side detection piece is symmetrical relative to the thread detection piece, the end, with the smaller size, of the thread detection piece faces the lower plate, the piece placing ring is connected with the lower inductor through a spring, and the piece placing ring is concentric with the detection column.

Further, go up the inductor and specifically be pressure sensors with lower inductor, the side detects the piece and is symmetrical about detecting the post, be provided with the external screw thread on the screw thread detects the piece, it specifically is round platform shape to detect the post.

The utility model has the advantages that: the utility model provides an utensil is examined to medical bone nail key dimension mutually supports the use through hypoplastron, medium plate, upper plate, goes up detection piece, last inductor and nut, realizes using the effect of examining the utensil and replacing the manual work to carry out the bone nail and detect, has reduced manpower intensity of labour, has improved work efficiency, has reduced artificial measuring error, has practiced thrift manufacturing cost.

Drawings

Fig. 1 is the utility model relates to an overall structure axonometric drawing of utensil is examined to medical bone nail key dimension.

Fig. 2 is another overall structure axonometric view of utensil is examined to medical bone nail key dimension of the utility model.

Fig. 3 is the utility model relates to an overall structure elevation view of utensil is examined to medical bone nail key dimension.

In the figure: 1. a lower plate; 2. a middle plate; 3. an upper plate; 4. connecting columns; 5. a cylinder; 6. an upper detection member; 61. pushing the plate; 62. a side detection member; 63. a thread detecting member; 7. an upper inductor; 8. a nut; 9. a lower detection member; 91. a detection column; 92. a lower inductor; 93. a spring; 94. and (5) placing a part ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 3, a medical bone nail critical dimension checking fixture comprises a lower plate 1, a middle plate 2, an upper plate 3, an upper detection piece 6, an upper sensor 7 and a nut 8; the upper plate 3 and the middle plate 2 are both connected with the lower plate 1 through a connecting column 4, the middle plate 2 is positioned between the lower plate 1 and the upper plate 3, the upper plate 3 is provided with a cylinder 5, used for driving an upper detection piece 6 to move, the upper detection piece 6 is movably connected with the upper plate 3 through a piston rod of a cylinder 5, the upper detection piece 6 is movably connected with the middle plate 2 through a nut 8, is used for ensuring the continuous rotation of the thread detecting piece 63 when the thread detecting piece moves downwards so as to achieve the purpose of screwing into the thread in the middle of the bone nail, the upper detection piece 6 corresponds to the upper sensor 7 in position, the upper detection piece 6 penetrates through the middle plate 2, the lower plate 1 is provided with a lower detection piece 9, the upper detection piece 6 corresponds to the lower detection piece 9 in position, used for completing the detection of the bone nail in a mutual matching way, the upper detection piece 6 is provided with a thread detection piece 63, the cylinder 5, the upper inductor 7 and the lower inductor 92 are all connected with an external control system.

Go up inductor 7 has a plurality ofly for ensure the accurate nature of detection, screw thread detection piece 63 link up nut 8, go up and still include push pedal 61 and side detection piece 62 on the detection piece 6, lower detection piece 9 is located hypoplastron 1 middle part.

The upper inductor 7 is symmetrical about the thread detection piece 63, the side edge detection piece 62 is positioned on the push plate 61, the thread detection piece 63 is in a circular truncated cone shape, and is used for ensuring that the part, close to the lower plate 1, of the thread detection piece 63 is smaller than the part, far away from the lower plate 1, of the thread detection piece 63 and detecting a threaded hole in the upper part of the bone nail, and the lower detection piece 9 comprises a detection column 91, a lower inductor 92, a spring 93 and a piece placing ring 94.

The upper inductor 7 is distributed in a circumferential array shape by taking the thread detection piece 63 as a center, the side edge detection pieces 62 are symmetrical relative to the thread detection piece 63, the smaller end of the thread detection piece 63 faces the lower plate 1, the piece placing ring 94 is connected with the lower inductor 92 through a spring 93, and the piece placing ring 94 is concentric with the detection column 91 and is used for detecting the size of the hole site at the bottom edge of the bone nail.

Go up inductor 7 and lower inductor 92 and specifically be pressure sensors, side detects piece 62 about detecting post 91 symmetry, be provided with the external screw thread on the screw thread detects the piece 63, it specifically is round platform shape to detect post 91 for detect the size of bone nail base hole site.

The utility model discloses a theory of operation does: before the detection work is started, the bone nail to be detected is firstly placed on the lower detection piece 9, the detection column 91 is inserted into the hole position in the middle of the bone nail, the lower surface of the bone nail is contacted with the piece placing ring 94 and the spring 93 is compressed, the lower sensor 92 generates pressure, the lower sensor 92 transmits a pressure signal to an external control system, and further, the piston rod of the lower cylinder 5 extends under the control of the external control system to drive the upper detection piece 6 to move downwards, and the thread detecting member 63 is then spirally lowered within the nut 8 while the side edge detecting member 62 is moved downwardly against the side edge of the bone screw, and the further thread detecting member 63 continues to be lowered and spirally lowered within the internal thread in the bone screw, when the truncated cone-shaped thread detection piece 63 stops rotating in the bone nail, the upper sensor 7 and the lower sensor 92 transmit the pressure signal to the external control system, and the external control system judges whether the bone nail is qualified according to the size and uniformity of the pressure signal.

The above examples are provided for further illustration of the present invention, but do not limit the present invention to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood as being within the protection scope of the present invention.

Claims

1. The utility model provides a utensil is examined to medical bone nail key size which characterized in that: comprises a lower plate (1), a middle plate (2), an upper plate (3), an upper detection piece (6), an upper inductor (7) and a nut (8); the upper plate (3) and the middle plate (2) are connected with the lower plate (1) through connecting columns (4), the middle plate (2) is located between the lower plate (1) and the upper plate (3), a cylinder (5) is arranged on the upper plate (3), a piston rod of the cylinder (5) is connected with the upper plate (3) in a movable mode through an upper detection piece (6), the upper detection piece (6) is connected with the middle plate (2) in a movable mode through a nut (8), the upper detection piece (6) corresponds to an upper sensor (7), the upper detection piece (6) penetrates through the middle plate (2), a lower detection piece (9) is arranged on the lower plate (1), the upper detection piece (6) corresponds to the lower detection piece (9), and a thread detection piece (63) is arranged on the upper detection piece (6).

2. The medical bone nail key dimension testing fixture according to claim 1, characterized in that: go up inductor (7) and have a plurality ofly, screw thread detection piece (63) link up nut (8), go up detection piece (6) and go up push pedal (61) and side detection piece (62), detection piece (9) are located hypoplastron (1) middle part down.

3. The medical bone nail key dimension testing fixture according to claim 2, characterized in that: go up inductor (7) and detect piece (63) symmetry about the screw thread, side detects piece (62) and is located push pedal (61), screw thread detects piece (63) and specifically is the round platform shape, detect piece (9) including detecting post (91), lower inductor (92), spring (93) and put a circle (94) down.

4. The medical bone nail key dimension testing fixture according to claim 3, characterized in that: the upper inductor (7) is distributed in a circumferential array mode by taking the thread detection piece (63) as the center, the side edge detection piece (62) is symmetrical relative to the thread detection piece (63), one end of the thread detection piece (63) with a smaller size faces the lower plate (1), the piece placing ring (94) is connected with the lower inductor (92) through a spring (93), and the piece placing ring (94) is concentric with the detection column (91).

5. The medical bone nail key dimension testing fixture according to claim 4, characterized in that: go up inductor (7) and lower inductor (92) and specifically be pressure sensors, side detects piece (62) and is symmetrical about detecting post (91), be provided with the external screw thread on screw thread detection piece (63), it specifically is round platform shape to detect post (91).