CN217611022U - Transportation locking mechanism of optical coherence tomography blood vessel imager - Google Patents
Transportation locking mechanism of optical coherence tomography blood vessel imager Download PDFInfo
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- CN217611022U CN217611022U CN202221340190.8U CN202221340190U CN217611022U CN 217611022 U CN217611022 U CN 217611022U CN 202221340190 U CN202221340190 U CN 202221340190U CN 217611022 U CN217611022 U CN 217611022U
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- coherence tomography
- blind hole
- limiting block
- imager
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Abstract
The utility model relates to an optics coherence tomography blood vessel imaging equipment field provides an optics coherence tomography blood vessel imager transportation locking mechanism, locates optics coherence tomography blood vessel imager, and optics coherence tomography blood vessel imager includes main part and base. It includes: the locking lever, compression spring, bolt and stopper, stopper fixed mounting is in the main part, the stopper is equipped with the first through-hole that runs through the stopper in vertical direction, the bottom of stopper is equipped with first blind hole and second blind hole, first blind hole degree of depth is greater than the second blind hole, the locking lever is inserted and is located first through-hole, the locking lever includes handle portion in proper order, extension and spacing portion, the extension runs through first through-hole, the compression spring cover is established in the outside of extension, compression spring's one end and the bottom butt of handle portion, compression spring's the other end and the top butt of stopper, the second through-hole has been seted up to the extension, the bolt runs through the second through-hole.
Description
Technical Field
The utility model relates to an optics coherence tomography blood vessel imaging apparatus technical field especially relates to optics coherence tomography blood vessel imager transportation locking mechanism.
Background
The optical coherence tomography blood vessel imaging instrument is a novel noninvasive fundus image examination instrument, can identify the retinal choroidal blood flow movement information with high resolution, and can image the retinal choroidal microvascular circulation of living tissues. Has unique advantages in the aspects of normal retinal choroidal vascular change, disease management follow-up, treatment effect detection and the like. Optical coherence tomography angiography instruments typically include a body and a base, with the body being slidable relative to the base to enable imaging at different distances and angles. However, during the transportation process, the main body and the base need to be locked to prevent the main body and the base from sliding and causing damage, so that the optical coherence tomography blood vessel imager transportation locking mechanism is needed to lock the main body and the base to be relatively fixed. The transportation locking mechanism of the existing optical coherence tomography blood vessel imaging instrument is locked by adopting a screw tightening mode, and has the following defects: firstly, the screws are easy to loosen again in the carrying process by adopting a screw tightening mode; secondly, the screw is easy to lose.
In view of the above, there is a need in the art for a new transportation locking mechanism for optical coherence tomography vascular imaging devices to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model provides an optics coherence tomography blood vessel imager transportation locking mechanism solves the technical problem that the background art exists.
In order to achieve the above object, the present invention provides a transportation locking mechanism for an optical coherence tomography blood vessel imager, which is disposed on the optical coherence tomography blood vessel imager, wherein the optical coherence tomography blood vessel imager comprises a main body and a base, the main body can slide relative to the base, the transportation locking mechanism for the optical coherence tomography blood vessel imager is fixed on the main body, and the base is provided with a locking hole matched with the transportation locking mechanism for the optical coherence tomography blood vessel imager;
the optical coherence tomography blood vessel imager transportation locking mechanism comprises: the locking device comprises a locking rod, a compression spring, a bolt and a limiting block, wherein the limiting block is fixedly installed on the main body, a first through hole penetrating through the limiting block is formed in the limiting block in the vertical direction, a first blind hole and a second blind hole which do not penetrate through the limiting block are formed in the bottom of the limiting block, the depth of the first blind hole is larger than that of the second blind hole, the first blind hole, the second blind hole and the first through hole are provided with the same intersection point on the cross section of the bottom surface of the limiting block, the locking rod is inserted into the first through hole, the locking rod sequentially comprises a handle portion, an extending portion and a limiting portion from top to bottom in the length direction, the extending portion penetrates through the first through hole, the extending portion can move in the vertical direction relative to the first through hole, the compression spring is sleeved outside the extending portion, one end of the compression spring is abutted to the bottom of the handle portion, the other end of the compression spring is abutted to the top of the limiting block, the extending portion is provided with a second through hole perpendicular to the length direction, the bolt penetrates through the second through hole and is fixedly arranged relative to the first through hole;
when the main body is unlocked from the base, the bolt is positioned in the first blind hole; when the locking rod is aligned with the locking hole, the handle part pushes the locking rod to move along the direction of the first through hole towards the limiting block until the bolt moves to the outside of the first blind hole, the limiting part is inserted into the locking hole, the handle part is rotated, the bolt enters the second blind hole, and the main body is locked with the base.
Preferably, a gasket is further arranged between the compression spring and the top of the limiting block, the gasket is sleeved outside the extending portion, the outer diameter of the gasket is larger than the diameter of the compression spring, and the diameter of the handle portion is larger than the diameter of the compression spring.
Preferably, the diameter of the handle portion is larger than that of the extension portion, and the diameter of the extension portion is larger than that of the limiting portion.
Preferably, the locking lever is integrally formed.
Preferably, the limiting block further comprises a plurality of third through holes, and the limiting block is connected with the main body through threads by screws penetrating through the third through holes.
Preferably, the included angle between the first blind hole and the second blind hole on the section of the bottom surface of the limiting block is 90 degrees.
Preferably, the cross section of the first through hole in the horizontal direction is circular, the cross sections of the first blind hole and the second blind hole in the horizontal direction are rectangular, and the intersection point of the cross sections of the first blind hole, the second blind hole and the first through hole at the bottom surface of the limiting block is the circle center of the cross section of the first through hole.
The beneficial effects of the utility model reside in that: the utility model discloses an optics coherence tomography blood vessel imager transportation locking mechanism sets up the first blind hole and the second blind hole of the different degree of depth through spacing portion, fixes the locking lever at different heights ingeniously to realize locking and unblock between the main part of optics coherence tomography blood vessel imager and the base, mechanical structure is simple, and can not the not hard up problem in the transportation locking mechanism of optics coherence tomography blood vessel imager lost and the handling.
Drawings
Fig. 1 is a schematic structural diagram of an optical coherence tomography blood vessel imager according to an embodiment of the present invention;
fig. 2 is a schematic partial structural diagram of an optical coherence tomography angiography imaging apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a transportation locking mechanism of an optical coherence tomography angiography instrument according to an embodiment of the present invention;
fig. 4 is an exploded view of the transportation locking mechanism of the optical coherence tomography angiography instrument according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a limiting block according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of the bottom of the limiting block according to the embodiment of the present invention;
fig. 7 isbase:Sub>A cross-sectional view taken alongbase:Sub>A-base:Sub>A of fig. 6.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are illustrated in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The directional descriptions of "vertical", "horizontal", "up", "down", "top", "bottom", etc. are relative.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1-2, fig. 1 is a schematic structural diagram of an optical coherence tomography blood vessel imager according to an embodiment of the present invention, and fig. 2 is a schematic structural diagram of a part of the optical coherence tomography blood vessel imager according to an embodiment of the present invention. The optical coherence tomography blood vessel imager comprises a main body 10 and a base 20, wherein the main body 10 can slide relative to the base 20. The optical coherence tomography blood vessel imager is provided with an optical coherence tomography blood vessel imager transport locking mechanism 30. Specifically, the optical coherence tomography blood vessel imager transport lock mechanism 30 is fixed to the main body 10, and the base 20 is provided with a lock hole (not shown) that cooperates with the optical coherence tomography blood vessel imager transport lock mechanism 30.
Referring further to fig. 3-7, the optical coherence tomography blood vessel imager transport locking mechanism 30 includes a locking rod 1, a compression spring 2, a latch 3 and a stopper 4. Stopper 4 fixed mounting is on main part 10, and stopper 4 is equipped with the first through-hole 41 that runs through stopper 4 in vertical direction, and the bottom of stopper 4 is equipped with first blind hole 42 and the second blind hole 43 that does not run through stopper 4. The first blind hole 42 is deeper than the second blind hole 43. Specifically, the cross section of the first through hole 41 in the horizontal direction is circular, the cross sections of the first blind hole 42 and the second blind hole 43 in the horizontal direction are rectangular, and the cross sections of the first blind hole 42, the second blind hole 43 and the first through hole 41 in the bottom surface of the stopper 4 have the same intersection point. The intersection point of the first blind hole 42, the second blind hole 43, and the cross section of the first through hole 41 at the bottom surface of the stopper 4 is the center of the cross section of the first through hole 41. The included angle between the cross sections of the first blind hole 42 and the second blind hole 43 on the bottom surface of the limiting block 4 is 90 degrees.
The locking rod 1 is integrally formed and is formed by cutting, grinding and other processing modes. The locking lever 1 is inserted into the first through hole 41. The lock lever 1 is long, and includes a handle portion 11, an extension portion 12, and a stopper portion 13 in this order from top to bottom in the longitudinal direction. The handle portion 11 is used to press and rotate the lock lever 1. The extension 12 extends through the first through hole 41, and the extension 12 is movable in the vertical direction with respect to the first through hole 41. The compression spring 2 is sleeved outside the extension portion 12, one end of the compression spring 2 is abutted against the bottom of the handle portion 11, and the other end of the compression spring 2 is abutted against the top of the limiting block 4. The stopper 13 is inserted into the locking hole to lock and fix the body 10 and the base 20. The extension portion 12 is formed with a second through hole 14 perpendicular to the length direction of the locking lever 1, and the plug pin 3 penetrates through the second through hole 14 and is fixedly disposed with the locking lever 1. Specifically, the bolt 3 can be inserted into the second through hole 14 by means of knocking, and the bolt 3 and the locking rod 1 can be fixedly connected. The bolt 3 is able to move in a vertical direction with respect to the first blind hole 42.
The utility model discloses a 30 theory of operation of optics coherent tomography blood vessel imager transportation locking mechanism is as follows: when the optical coherence tomography blood vessel imager is used, the body and the base 20 are in an unlocked state, the plug pin 3 is positioned in the first blind hole 42, and the main body 10 can slide relative to the base 20. When the main body 10 and the base 20 need to be locked, the main body 10 is slid to align the locking rod 1 with the locking hole; the handle part 11 pushes the locking rod 1 downwards to move towards the direction of the limiting block 4 along the first through hole 41, the compression spring 2 is compressed until the bolt 3 moves to the outside of the first blind hole 42, and the limiting block 13 is inserted into the locking hole at the moment; rotating handle portion 11 makes bolt 3 aim at second blind hole 43, because compression spring 2's effect, makes bolt 3 get into second blind hole 43, because the limiting displacement of second blind hole 43, bolt 3 fixes in second blind hole 43, and main part 10 and base 20 lock, and main part 10 and base 20 are fixed relatively. When unlocking is needed, the locking rod 1 is pushed downwards by the handle part 11 to move along the direction of the first through hole 41 towards the limiting block 4 until the bolt 3 moves to the outside of the second blind hole 43; the handle part 11 is rotated to align the plug pin 3 with the first blind hole 42, and due to the action of the compression spring 2, the plug pin 3 enters the first blind hole 42, and the limiting part 13 exits from the locking hole, so that the unlocking of the main body 10 and the base 20 can be realized.
The utility model discloses an optics coherence tomography blood vessel imager transportation locking mechanism 30 sets up the first blind hole 42 and the second blind hole 43 of the different degree of depth through spacing portion 13, fixes locking lever 1 at different heights ingeniously to realize locking and unblock between main part 10 and the base 20 of optics coherence tomography blood vessel imager, mechanical structure is simple, and can not optic coherence tomography blood vessel imager transportation locking mechanism 30 lose and the not hard up problem in the handling.
Further, in order to prevent that compression spring 2 from being blocked by first through-hole 41, make compression spring 2's motion more smooth and easy simultaneously, the embodiment of the utility model provides a set up gasket 5 at compression spring 2 and stopper 4's top. Specifically, the spacer 5 is annular, the spacer 5 is fitted around the extension 12, the outer diameter of the spacer 5 is larger than the diameter of the compression spring 2, and the diameter of the handle 11 is larger than the diameter of the compression spring 2.
Further, the diameter of the handle portion 11 is larger than the diameter of the extension portion 12, and the diameter of the extension portion 12 is larger than the diameter of the stopper portion 13. Through the arrangement, the processing and the installation can be more convenient.
Further, in order to fixedly mount the limiting block 4 on the main body 10, the limiting block 4 further includes a plurality of third through holes 44, and the limiting block 4 is connected with the main body 10 through threads of screws 6 penetrating through the third through holes 44.
Further, in order to align the locking rod 1 and the locking hole more easily, the first mark 40 is provided on the outside of the main body 10 of the optical coherence tomography blood vessel imager corresponding to the position of the locking rod 1, and the second mark 50 is provided on the outside of the base 20 corresponding to the position of the locking hole. When the first indicia 40 and the second indicia are aligned 50, the locking bar 1 is aligned with the locking hole. Through the arrangement, the locking rod 1 can be aligned with the locking hole more intuitively, the operation difficulty is reduced, and the use experience of a user is greatly improved.
The utility model discloses during the assembly of optical coherence tomography blood vessel imager transportation locking mechanism 30, wear into compression spring 2 from the bottom of locking lever 1 earlier, wear into gasket 5 from the bottom of locking lever 1 again, inject first through-hole 41 from stopper 4's top with locking lever 1, promote locking lever 1 downwards through handle portion 11 and follow the direction motion of first through-hole 41 towards stopper 4, be located the outside of stopper until second through-hole 14, assemble into second through-hole 14 with bolt 3, accomplish the assembly of optical coherence tomography blood vessel imager transportation locking mechanism 30. Finally, the optical coherence tomography blood vessel imaging instrument transportation locking mechanism 30 is assembled on the main body 10 of the optical coherence tomography blood vessel imaging instrument through the screw 6.
The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The utility model provides an optics coherence tomography vascular imager transportation locking mechanism locates optics coherence tomography vascular imager, optics coherence tomography vascular imager includes main part and base, the main part can slide relatively the base, optics coherence tomography vascular imager transportation locking mechanism is fixed in on the main part, the base be equipped with optics coherence tomography vascular imager transportation locking mechanism complex locking hole, its characterized in that:
the optical coherence tomography blood vessel imager transportation locking mechanism comprises: the locking device comprises a locking rod, a compression spring, a bolt and a limiting block, wherein the limiting block is fixedly installed on the main body, a first through hole penetrating through the limiting block is formed in the limiting block in the vertical direction, a first blind hole and a second blind hole which do not penetrate through the limiting block are formed in the bottom of the limiting block, the depth of the first blind hole is larger than that of the second blind hole, the first blind hole, the second blind hole and the first through hole are provided with the same intersection point on the cross section of the bottom surface of the limiting block, the locking rod is inserted into the first through hole, the locking rod sequentially comprises a handle portion, an extending portion and a limiting portion from top to bottom in the length direction, the extending portion penetrates through the first through hole, the extending portion can move in the vertical direction relative to the first through hole, the compression spring is sleeved outside the extending portion, one end of the compression spring is abutted to the bottom of the handle portion, the other end of the compression spring is abutted to the top of the limiting block, the extending portion is provided with a second through hole perpendicular to the length direction, the bolt penetrates through the second through hole and is fixedly arranged relative to the first through hole;
when the main body is unlocked from the base, the bolt is positioned in the first blind hole; when the locking rod is aligned with the locking hole, the handle part pushes the locking rod to move along the direction of the first through hole towards the limiting block until the bolt moves to the outside of the first blind hole, the limiting part is inserted into the locking hole, the handle part is rotated, the bolt enters the second blind hole, and the main body is locked with the base.
2. The optical coherence tomography blood vessel imager transportation locking mechanism as claimed in claim 1, wherein a gasket is further disposed between the compression spring and the top of the limiting block, the gasket is sleeved outside the extension portion, the outer diameter of the gasket is larger than the diameter of the compression spring, and the diameter of the handle portion is larger than the diameter of the compression spring.
3. The optical coherence tomography vascular imager transport lock mechanism of claim 1, wherein the diameter of the handle portion is greater than the diameter of the extension portion, which is greater than the diameter of the stop portion.
4. The optical coherence tomography vascular imager transport lock-out mechanism of claim 1, wherein the lock-out lever is integrally formed.
5. The transportation locking mechanism of the optical coherence tomography blood vessel imager of claim 1, wherein the limiting block further comprises a plurality of third through holes, and the limiting block is connected with the main body by screw threads penetrating through the third through holes.
6. The transportation locking mechanism of the optical coherence tomography blood vessel imager as claimed in claim 1, wherein the included angle between the first blind hole and the second blind hole on the cross section of the bottom surface of the limiting block is 90 °.
7. The optical coherence tomography blood vessel imager transportation locking mechanism as claimed in claim 6, wherein the cross section of the first through hole in the horizontal direction is circular, the cross sections of the first blind hole and the second blind hole in the horizontal direction are rectangular, and the intersection point of the cross sections of the first blind hole, the second blind hole and the first through hole at the bottom surface of the limiting block is the center of the circle of the cross section of the first through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221340190.8U CN217611022U (en) | 2022-05-31 | 2022-05-31 | Transportation locking mechanism of optical coherence tomography blood vessel imager |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221340190.8U CN217611022U (en) | 2022-05-31 | 2022-05-31 | Transportation locking mechanism of optical coherence tomography blood vessel imager |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217611022U true CN217611022U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221340190.8U Active CN217611022U (en) | 2022-05-31 | 2022-05-31 | Transportation locking mechanism of optical coherence tomography blood vessel imager |
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| Country | Link |
|---|---|
| CN (1) | CN217611022U (en) |
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2022
- 2022-05-31 CN CN202221340190.8U patent/CN217611022U/en active Active
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