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CN-224220295-U - Mould testing device

CN224220295UCN 224220295 UCN224220295 UCN 224220295UCN-224220295-U

Abstract

The application relates to a mold testing device which comprises a shell, a transmission shaft, a first sliding block, a second sliding block, two supporting blocks and a connecting assembly, wherein a mounting hole is formed in the periphery of the shell, the transmission shaft is positioned in the shell and is in rotary connection with the shell, the transmission shaft is provided with a first thread and a second thread, the second thread is opposite to the first thread, the first sliding block is connected with the transmission shaft through the first thread, the second sliding block is connected with the transmission shaft through the second thread, the two supporting blocks are respectively positioned on two sides of the shell, the connecting assembly comprises two connecting ribs, the connecting ribs are movably connected with the first sliding block and can rotate and slide relative to the first sliding block, the connecting ribs are movably connected with the second sliding block and can rotate and slide relative to the second sliding block, and the end parts of the connecting ribs are movably connected with the two supporting blocks respectively and can rotate and slide relative to the supporting blocks. The application can adjust the distance between the supporting blocks, can meet the requirements of different environments, and reduces the product cost and the management cost.

Inventors

  • LI CHANGQING
  • ZHENG WENJIE
  • ZHANG CHAO
  • YIN HONG
  • LIU MINGHAN

Assignees

  • 中国人民解放军陆军军医大学第二附属医院

Dates

Publication Date
20260512
Application Date
20241230

Claims (10)

  1. 1. A test bench, comprising: The shell (1) is provided with an inner cavity, and the periphery of the shell (1) is provided with a mounting opening (11); The transmission shaft (2) is positioned in the shell (1) and is rotationally connected with the shell (1), a first thread and a second thread are arranged on the periphery side of the installation opening (11) of the transmission shaft (2) at intervals, and the second thread is opposite to the first thread; the first sliding block (3) is positioned at the mounting opening (11), and the first sliding block (3) is connected with the transmission shaft (2) through the first thread; The second sliding block (4) is positioned at the mounting opening (11), and the second sliding block (4) is connected with the transmission shaft (2) through the second thread; two support blocks (5) respectively located at two sides of the shell (1), and The connecting assembly (6) comprises two connecting ribs (61) which are arranged in a crossing way, wherein the connecting ribs (61) are movably connected with the first sliding block (3), and the connecting ribs (61) can rotate and slide relative to the first sliding block (3), the connecting ribs (61) are movably connected with the second sliding block (4), and the connecting ribs (61) can rotate and slide relative to the second sliding block (4); opposite ends of the connecting ribs (61) are respectively and movably connected with the two supporting blocks (5), and the ends of the connecting ribs (61) can rotate and slide relative to the supporting blocks (5).
  2. 2. The mold tester according to claim 1, characterized in that the first slider (3) is provided with a first guide post (31), the connecting rib (61) is provided with a first slide groove (611), the first guide post (31) is rotatable and slidable in the first slide groove (611), and/or the second slider (4) is provided with a second guide post (41), the connecting rib (61) is provided with a second slide groove (612), and the second guide post (41) is rotatable and slidable in the second slide groove (612).
  3. 3. The mold tester according to claim 1, wherein two third guide posts (613) are respectively arranged at two ends of the connecting rib (61), the supporting block (5) is provided with a third sliding groove (51), and the third guide posts (613) can rotate and slide in the third sliding groove (51).
  4. 4. The die tester as claimed in claim 1, wherein a mounting post (7) is arranged at the intersection of the two connecting ribs (61), and the connecting ribs (61) are rotatably connected with the mounting post (7).
  5. 5. The mold tester according to claim 1, characterized in that the supporting block (5) is provided with a relief groove (52) for mounting the connecting rib (61).
  6. 6. The die tester as claimed in claim 1, wherein a side of the supporting block (5) facing away from the connecting assembly (6) is arranged in a cambered surface.
  7. 7. The mold tester according to claim 1, wherein the end part of the transmission shaft (2) is further connected with an adjusting member (8), a first rib (81) is arranged on the peripheral side of the adjusting member (8), a plurality of first ribs (81) are arranged, and the plurality of first ribs (81) are arranged at intervals around the peripheral side of the adjusting member (8).
  8. 8. The mould tester according to claim 7, characterized in that the circumference of the adjusting member (8) is also provided with graduations.
  9. 9. The die tester according to claim 7, wherein a second rib (12) is disposed on a peripheral side of the housing (1), a plurality of second ribs (12) are disposed around the housing (1) at intervals on the peripheral side, one end of the housing (1) facing the adjusting member (8) is further provided with a handle (9), the handle (9) has an inner cavity, the inner cavity of the handle (9) is divided into a first cavity (91) and a second cavity (92), the first cavity (91) is sleeved with the housing (1) and a first clamping rib which is clamped with the first rib (81) is disposed on an inner wall of the first cavity (91) so as to prevent the handle (9) and the housing (1) from rotating with each other, and the second cavity (92) is used for sleeving the adjusting member (8) and the second cavity (92) is provided with a second rib (12) which is clamped with the second rib (8) so as to prevent the handle (8) from rotating with the adjusting member (8) from rotating with each other.
  10. 10. The mold tester according to claim 1, characterized in that a swivel bearing (10) is arranged between the drive shaft (2) and the housing (1).

Description

Mould testing device Technical Field The application relates to the field of interbody fusion devices, in particular to a model testing device. Background The model tester is used in background that lumbar vertebra posterior fusion operation is a mature operation mode for treating lumbar disc herniation, lumbar spinal stenosis, lumbar vertebra slippage and the like. An intervertebral fusion device with proper size and depth is needed to be implanted in the operation so as to achieve the aim of intervertebral fusion. The intervertebral fusion device with proper size and depth is selected, so that the fracture of the osseous end plate caused by the oversized intervertebral fusion device can be avoided, and the displacement of the intervertebral fusion device caused by the undersize intervertebral fusion device can also be avoided. Therefore, the size and depth of the fusion cage are determined by using the model testers with different specifications before the intervertebral fusion cage is implanted. The sizes of the existing mold testers are fixed, one specification corresponds to one mold tester, and in order to meet the requirements of different environments, hospitals are usually provided with one set (a plurality of tools or even more) of tools, so that the product cost and the management cost are high. Disclosure of utility model Based on the above, the distance between the supporting blocks of the die tester can be adjusted, so that the die tester can meet the requirements of different environments, a plurality of tools are not required to be prepared by hospitals, and the product cost and the management cost are reduced. The embodiment of the application provides a mold testing device which comprises a shell, a transmission shaft, a first sliding block, a second sliding block, a connecting assembly and a connecting assembly, wherein an inner cavity is formed in the shell, a mounting opening is formed in the peripheral side of the shell, the transmission shaft is positioned in the shell and is in rotary connection with the shell, a first thread and a second thread are arranged on the peripheral side of the transmission shaft at the mounting opening at intervals, the second thread is opposite to the first thread, the first sliding block is positioned at the mounting opening, the first sliding block is connected with the transmission shaft through the first thread, the second sliding block is positioned at the mounting opening, the second sliding block is connected with the transmission shaft through the second thread, two supporting blocks are respectively positioned at two sides of the shell, the connecting assembly comprises two connecting ribs which are arranged in a crossed mode, the connecting ribs are movably connected with the first sliding block, the connecting ribs can rotate and slide relative to the first sliding block, the connecting ribs are movably connected with the second sliding block, the connecting ribs can rotate and slide relative to the second sliding block, the connecting ribs can rotate relative to the second sliding block, and the two supporting blocks can slide relative to the two supporting blocks. In one embodiment, the first sliding block is provided with a first guide post, the connecting rib is provided with a first sliding groove, the first guide post can rotate and slide in the first sliding groove, and/or the second sliding block is provided with a second guide post, and the connecting rib is provided with a second sliding groove, and the second guide post can rotate and slide in the second sliding groove. In one embodiment, two third guide posts are respectively arranged at two ends of the connecting rib, the supporting block is provided with a third sliding groove, and the third guide posts can rotate and slide in the third sliding groove. In one embodiment, the intersection of the two connecting ribs is provided with a mounting column, and the connecting ribs are rotationally connected with the mounting column. In one embodiment, the support block is provided with a relief groove for mounting the connecting bar. In one embodiment, a side of the supporting block facing away from the connecting component is provided with an arc surface. In one embodiment, the end of the transmission shaft is further connected with an adjusting member, a first edge is arranged on the peripheral side of the adjusting member, a plurality of first edges are arranged, and the first edges are arranged at intervals around the peripheral side of the adjusting member. In one embodiment, the circumference of the adjusting element is also provided with graduations. In one embodiment, the circumference of casing is provided with the second arris, the second arris is provided with a plurality of, a plurality of the second arris encircles the circumference interval setting of casing, the casing orientation the one end of regulating part still is provided with the handle, the handle has the inner cha