Pull-out type protective cover for scanning electron microscope

Abstract

The protective cover comprises a square cover body, an opening is formed in the right end of the cover body, a downward baffle is hinged to the right end of the cover body, a torsional spring facilitating returning is further arranged at the hinged joint, the torsional spring is mainly used for facilitating returning of the baffle, and the cover body and the baffle can both be made of acrylic plates. The lower end of the cover body is provided with a front bottom plate and a rear bottom plate which are arranged left and right and have a supporting function, the bottom plates are installed on the workbench, a guide mechanism for moving the cover body left and right is arranged between the two bottom plates, the cover body needs to be pulled leftwards, and the guide mechanism plays a guiding role; a traction mechanism is arranged between the guide mechanism and the baffle and can drive the baffle to be turned over and opened when the cover body moves leftwards. In the leftward pulling process of the pulling mechanism, the baffle can be turned over anticlockwise to be opened, and therefore manual opening is not needed.

Description

TECHNICAL FIELD

[0001] The application relates to the protection field of scanning electron microscopes, and particularly relates to a pull-out type protective cover for a scanning electron microscope. BACKGROUND

[0002] A scanning electron microscope is an electron microscope which generates an image of a sample by scanning a surface with a focused electron beam. Electrons interact with atoms in the sample, producing various signals containing information about the sample's topography and composition. The current scanning electron microscope lacks protection and is easily touched during use. There are similar protection mechanisms on the market, such as a workbench for a scanning electron microscope in CN114772077A. However, the opening of the workbench is relatively troublesome, and the electron microscope on the bearing table needs to be manually opened to pull out the electron microscope, which is not convenient. Therefore, how to conveniently open the electron microscope protective cover is a problem that needs to be solved by technicians in the field. SUMMARY

[0003] The application aims to provide a pull-out type protective cover for a scanning electron microscope to solve the problems in the background.

[0004] To achieve the above-mentioned purpose, the application provides the following technical scheme: a pull-out type protective cover for a scanning electron microscope, which comprises a square cover body, the right end of the cover body is open, and a downward baffle is hingedly connected to the right end of the cover body, a torsional spring for facilitating return is further arranged at the hingedly connected position, the torsional spring is mainly used for facilitating the return of the baffle, the cover body and the baffle can be made of acrylic plate material, the scanning electron microscope is protected, two bottom plates arranged in front and back and left and right are arranged at the lower end of the cover body, the bottom plates are used for supporting, the bottom plates are installed on a workbench, a guide mechanism for moving the cover body left and right is arranged between the two bottom plates, the cover body needs to be pulled to the left, the guide mechanism plays a guiding role, and a pulling mechanism is arranged between the guide mechanism and the baffle, the pulling mechanism can drive the baffle to turn and open when the cover body moves to the left. During the left pulling of the pulling mechanism, the baffle is turned counterclockwise to open, so that the baffle does not need to be manually opened.

[0005] Preferably, the guide mechanism comprises guide plates fixed on the bottom plates and vertically upward, two guide plates are connected with an electron microscope mounting plate after penetrating through the bottom of the cover body upward, the mounting plate is used for mounting the scanning electron microscope, and the mounting plate abuts against the inner cavity bottom wall of the cover body, a guide groove penetrating to the right is formed in the lower end of the cover body and used for the guide plates to penetrate, the guide groove guides the guide plates, and a limiting mechanism for limiting the bottom of the cover body downward is further arranged. The limiting mechanism limits the cover body from the lower side.

[0006] Preferably, the limiting mechanism comprises a limiting plate fixed at the opposite end of the two guide plates, and the limiting plate abuts against the lower end of the cover body, the limiting plate abuts against the lower end of the cover body, and the bottom plate can be located on the outside, so that the bottom plate, the guide plate and the limiting plate form a "Z" shape, and the mounting plate is located on the upper side of the bottom wall of the cover body, and the upper side limiting is achieved.

[0007] Preferably, the pulling mechanism comprises two arc-shaped support blocks curved downward to the right and fixed on the upper end of the cover body, and the support blocks stretch out to the right of the baffle to form a turnover distance, and the support blocks mainly provide the length of the force arm of the turnover, and the baffle is provided with an anti-interference groove corresponding to the support block, so that the baffle can be attached to the upper end of the cover body after being turned over, and will not be blocked by the support block, and the upper end of the support block is provided with left and right arranged rope grooves, and the upper side of the right end of the baffle is connected with a pull rope penetrating through the rope grooves, the pull rope extends to the left, penetrates downward from the left upper end of the cover body, and then reaches the bottom of the inner cavity of the cover body, and then moves to the right along the upper end surface of the mounting plate, and the upper end of the cover body and the left wall of the inner cavity are both provided with guide rings for guiding the pull rope, and further comprising a clamping mechanism arranged between the mounting plate and the lower wall of the inner cavity of the cover body, and the pull rope is connected with the clamping mechanism, and the clamping mechanism is used for pulling the pull rope to turn over the baffle, and can also fix the baffle after being turned over.

[0008] Preferably, the clamping mechanism comprises a lower end open receiving cavity formed by the upper right side of the mounting plate protruding upward, and a clamping ball located in the receiving cavity, and the left wall of the receiving cavity is inclined to the right at the upper end, the pull rope is connected with the clamping ball after penetrating into the receiving cavity, and the mounting plate is provided with a sliding groove for the pull rope to slide, the sliding groove is communicated with the receiving cavity, and the bottom wall of the inner cavity of the cover body is provided with a clamping groove mechanism for clamping the clamping ball, the clamping groove mechanism is located on the right side of the receiving cavity, and a pulling distance for the baffle to turn over is left between the clamping groove mechanism and the receiving cavity, and the left wall of the receiving cavity is inclined to the right at the upper end, which is convenient for extruding the clamping ball into the clamping groove mechanism, and after entering, the clamping ball can move to the left with the cover body, so that the pull rope will not continue to pull, so that the baffle after being turned over will be fixed on the upper end of the cover body and will not continue to turn over, and the distance from the clamping groove mechanism to the receiving cavity corresponds to the turnover distance of the baffle, and after the clamping ball enters the clamping groove mechanism, it moves to the left with the cover body, and the pull rope moves along the sliding groove, so that the baffle remains in the open state without the pulling of the mounting plate.

[0009] Preferably, the clamping groove mechanism comprises a clamping groove corresponding to the size of the clamping ball formed by the lower recess of the cover body, and the clamping groove can be cylindrical, and the diameter can be slightly larger than the diameter of the clamping ball, so as to be better clamped, and the clamping groove is provided with an elastic component for elastically supporting the clamping ball, the elastic component is compressed under pressure, so as to better clamping ball into storage, and then slide along the bottom of the mounting plate. The setting of the guide plate also provides a downward space for the clamping groove.

[0010] Preferably, the elastic component is a spring. The spring has a large compression force, and in the original state, more than half of the ball should be above the groove so that it can be scraped out by the right wall of the receiving cavity when returning to its original position. Therefore, the upper end of the right wall of the inner cavity of the receiving cavity can tilt to the right.

[0011] Preferably, a handle is provided at the left end of the cover for easy pulling.

[0012] Preferably, the front and rear ends of the cover have through-grooves extending to the right, and the right end of the baffle also has a through-grooves extending downwards. This facilitates the placement of the data cable at the tail of the scanning electron microscope. The scanning electron microscope can be positioned front-to-back or side-to-side, depending on the needs. The size of the cover can also be adjusted to better fit its shape, allowing for flexible use.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. Pull the cover to the left. Because the ball is stuck in the receiving cavity of the mounting plate, and the mounting plate does not move, the pull rope is pulled as the cover moves, causing the baffle to flip open. This eliminates the need to manually open the baffle and exposes the electron microscope, achieving two goals at once and making it more convenient.

[0015] 2. As the enclosure moves to the left, the slot will then contact the ball until they are directly aligned. The ball will be pulled, and the left wall of the receiving cavity will tilt, pressing the ball into the slot. The spring will compress, so the ball is in the slot, which is located on the bottom wall of the enclosure. As the enclosure moves to the left, the pull rope also moves along the slide. At this point, the pull rope will no longer pull, and the baffle will flip to the top of the enclosure, thus ensuring that it can be pulled open in a short time to facilitate the exposure of the electron microscope, and ensuring that it will not move after flipping to the top.

[0016] 3. The cover can stop at any position. The torsion spring on the baffle pulls the pull rope, and the locking ball at the end of the pull rope is located in the locking groove. Therefore, only the cover itself is under force, without any external force, and it will not slide. When returning to the right, when the locking groove is aligned with the receiving cavity, it will be exposed under the action of the spring. Then it will be scraped into the right wall of the inner cavity of the receiving cavity. Then the locking groove will be misaligned, and the baffle will rotate clockwise under the action of the torsion spring, thus closing the baffle. This closing method does not require manual operation of the baffle, which is simple and convenient. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the present invention;

[0018] Figure 2 This is the front view of the present invention;

[0019] Figure 3 This is a top view of the present invention;

[0020] Figure 4 for Figure 3 AA section view;

[0021] Figure 5 is the side view of the application;

[0022] Figure 6 is the exploded view of the application.

[0023] In the figure: 1, cover; 2, baffle; 3, bottom plate; 4, guide plate; 5, mounting plate; 6, limiting plate; 7, support block; 8, pull rope; 9, guide ring; 10, containing cavity; 11, ball; 12, clamping groove; 13, spring; 14, handle; 15, wire slot. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the application will be apparently and completely described below with the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the application.

[0025] Please refer to Figures 1 to 6 The application provides a protective cover for a pull-out type scanning electron microscope, which comprises a square cover 1, a handle 14 is arranged at the left end of the cover 1 to facilitate pulling the cover 1. The right end of the cover 1 is open, and a downward baffle 2 is hingedly connected to the right end of the cover 1, a torsional spring is further arranged at the hinged connection to facilitate the return of the baffle 2, the cover 1 and the baffle 2 can be made of acrylic plate to protect the scanning electron microscope, two bottom plates 3 are arranged at the lower end of the cover 1, which are arranged left and right, and serve as supports, the bottom plates 3 are installed on a workbench, and a guide mechanism is arranged between the two bottom plates 3 to guide the leftward pulling of the cover 1, the guide mechanism serves as a guide, and a pulling mechanism is arranged between the guide mechanism and the baffle 2, which can drive the baffle 2 to turn and open when the cover 1 moves leftward. During the leftward pulling of the pulling mechanism, the baffle 2 will turn counterclockwise and open, so that it does not need to be manually opened. Wire slots 15 are arranged at the front and rear ends of the cover 1 and extend rightward, and wire slots 15 are also arranged at the right end of the baffle 2 and extend downward. This is convenient for placing data lines at the tail of the scanning electron microscope. The scanning electron microscope can be arranged front and back or left and right, and can be placed as needed, and the size of the cover 1 can be adjusted to be more suitable for the shape of the scanning electron microscope, and the cover 1 can be used flexibly.

[0026] The guide mechanism comprises two guide plates 4 fixed on the bottom plate 3 and extending vertically upward, and two installation plates 5 for installing the scanning electron microscope are connected to the two guide plates 4 after the two guide plates 4 pass through the bottom of the cover body 1 upward, the installation plate 5 is used for installing the scanning electron microscope, and the installation plate 5 abuts against the bottom wall of the inner cavity of the cover body 1, the lower end of the cover body 1 is provided with a guide groove extending rightward and through which the guide plate 4 passes, the guide groove guides the guide plate 4, and the limiting mechanism for limiting the bottom of the cover body 1 downward is further included. The limiting mechanism limits the cover body 1 from the lower side. The limiting mechanism comprises a limiting plate 6 fixed on the opposite end of the two guide plates 4, and the limiting plate 6 abuts against the lower end of the cover body 1, the limiting plate 6 abuts against the lower end of the cover body 1 to achieve the lower side limiting, and the bottom plate 3 can be located on the outer side, so that the bottom plate 3, the guide plate 4 and the limiting plate 6 form a "Z" shape, and the installation plate 5 is located on the upper side of the bottom wall of the cover body 1 to limit from the upper side.

[0027] The pulling mechanism comprises two arc-shaped supporting blocks 7 fixed on the upper end of the cover body 1 and extending downward and rightward, the supporting block 7 extends rightward beyond the baffle 2 to form a flipping distance, the supporting block 7 mainly provides the length of the force arm for flipping, the baffle 2 is provided with an anti-interference groove corresponding to the supporting block 7, so that the baffle 2 can be attached to the upper end of the cover body 1 after being flipped and will not be blocked by the supporting block 7, the upper end of the supporting block 7 is provided with a left and right arranged rope groove, the right end of the baffle 2 is provided with a pulling rope 8 passing through the rope groove, the pulling rope 8 extends leftward, passes downward from the left side of the upper end of the cover body 1, then reaches the bottom of the inner cavity of the cover body 1, extends rightward along the upper end surface of the installation plate 5, and the upper end of the cover body 1 and the left wall of the inner cavity are provided with a guide ring 9 for guiding the pulling rope 8, the guide ring 9 can be arranged on the right side of the upper end of the cover body 1, on the left wall of the inner cavity of the cover body 1, or on the upper and lower two positions, and further comprises a clamping mechanism arranged between the installation plate 5 and the lower wall of the inner cavity of the cover body 1, and the pulling rope 8 is connected to the clamping mechanism, the clamping mechanism is used for pulling the pulling rope 8 to flip the baffle 2, and can further fix the baffle 2 after being flipped.

[0028] The engaging mechanism comprises a lower-end open containing cavity 10 formed by the right upper end protrusion on the upper end of the mounting plate 5 and a clamping ball 11 located in the containing cavity 10, and the left wall upper end of the containing cavity 10 is inclined to the right, the pull rope 8 is connected to the clamping ball 11 after penetrating into the containing cavity 10 to the right, a sliding groove for the pull rope 8 to slide is opened on the mounting plate 5, the sliding groove is communicated with the containing cavity 10, and the inner cavity bottom wall of the cover body 1 is provided with a clamping groove mechanism for clamping the clamping ball 11, the clamping groove mechanism is located to the right of the containing cavity 10, and a pulling distance for the flap 2 to turn over is left between the clamping groove mechanism and the containing cavity 10, and the left wall upper end of the containing cavity 10 is inclined to the right, which is convenient for extruding the clamping ball 11 into the clamping groove mechanism, after entering, the clamping ball 11 can move to the left with the cover body 1, so as not to cause the pull rope 8 to continue to pull, so that the turned over flap 2 is fixed at the upper end of the cover body 1 and cannot continue to turn over, and the distance from the clamping groove mechanism to the containing cavity 10 corresponds to the turning distance of the flap 2, after the clamping ball 11 enters the clamping groove mechanism, it moves to the left with the cover body 1, and the pull rope 8 moves along the sliding groove, so that the flap 2 remains in the existing open state without the pulling of the mounting plate 5.

[0029] The clamping groove mechanism comprises a clamping groove 12 corresponding in size to the clamping ball 11 formed by the lower concave of the cover body 1, the clamping groove 12 can be cylindrical and slightly larger in diameter than that of the clamping ball 11, so as to be better clamped, and an elastic component for supporting the clamping ball is arranged in the clamping groove 12, the elastic component is compressed under pressure, so as to facilitate the clamping ball 11 to enter the storage and then slide along the bottom of the mounting plate 5. The setting of the guide plate 4 also provides a downward space for the clamping groove 12. The elastic component is a spring 13. The spring compression force is large, and in the original state, more than half of the clamping ball 11 is above the clamping groove 12, so that it can be scraped out by the right wall of the containing cavity 10 when returning, so that the right wall upper end of the inner cavity of the containing cavity 10 can be inclined to the right. The distance from the clamping groove 12 to the clamping ball 11 reflects the opening distance and opening time of the flap 2, which can be adjusted and set according to needs, and the greater the distance, the longer the opening time of the flap 2. After the cover body 1 is pulled to the left, the scanning electron microscope on the mounting plate 5 will be exposed for use.

[0030] Working principle: pull the cover 1 to the left, because the ball 11 is clamped in the installation plate 5 containing cavity 10, and the installation plate 5 is not moving, so the pull rope 8 is pulled with the cover 1 movement, drive the baffle 2 to open, so you don't need to open the baffle 2 manually, also exposed the mirror, two birds with one stone, more convenient. With the cover 1 to the left, then the card slot 12 will contact the ball 11, until directly opposite, the ball 11 is pulled, and the left wall of the containing cavity 10 is inclined, will be pressed into the card slot 12 ball 11, spring 13 compression, so that the ball 11 in the card slot 12, card slot 12 on the bottom wall of the cover 1, so that the ball 11 along with the cover 1 to the left, pull rope also along the groove, at this time, the pull rope 8 will not be pulled, baffle 2 is turned to the top of the cover 1, so as to ensure that the short time to open, convenient mirror exposure, and ensure that the turnover to the top of no longer move. Cover 1 can be stopped at any position, the torsional spring on the baffle 2 pull rope 8, the pull rope 8 end of the ball 11 in the card slot 12, so that only the cover 1 itself force, no external force, will not slide, to the right back when the card slot 12 directly opposite containing cavity 10, under the action of the spring 13, will be exposed, then scraped into the right wall of the containing cavity 10, then the card slot 12 misaligned, baffle 2 in the torsional spring clockwise, realize the closing of the baffle 2, so that the closing also need to manually operate the baffle 2, simple and convenient.

[0031] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application being defined by the appended claims and their equivalents.

Claims

1. A pull-out protective cover for a scanning electron microscope, comprising a square cover body (1), wherein the right end of the cover body (1) is open, and a downward-facing baffle (2) is hinged to the right end of the cover body (1), and a torsion spring for easy return is provided at the hinged connection, characterized in that: The lower end of the cover (1) is provided with two base plates (3) arranged in front and back and left and right, and a guide mechanism is provided between the two base plates (3) for moving the cover (1) left and right. A pulling mechanism is provided between the guide mechanism and the baffle (2). The pulling mechanism can drive the baffle (2) to flip open when the cover (1) moves to the left.

2. The protective cover for a pull-out scanning electron microscope according to claim 1, characterized in that: The guiding mechanism includes a guide plate (4) fixed on the base plate (3) and pointing vertically upward. The two guide plates (4) pass through the bottom of the cover (1) and are connected to an mounting plate (5) for mounting an electron microscope. The mounting plate (5) abuts against the bottom wall of the inner cavity of the cover (1). The lower end of the cover (1) is provided with a guide groove that passes through to the right for the guide plate (4) to pass through. The mechanism also includes a limiting mechanism that limits the bottom of the cover (1) downward.

3. The protective cover for a pull-out scanning electron microscope according to claim 2, characterized in that: The limiting mechanism includes a limiting plate (6) fixed at one end of the two guide plates (4) opposite to each other, and the limiting plate (6) abuts against the lower end of the cover (1).

4. The protective cover for a pull-out scanning electron microscope according to claim 3, characterized in that: The pulling mechanism includes two curved support blocks (7) that are fixed to the upper end of the cover (1) and bend downward to the right. The support blocks (7) extend to the right through the baffle (2) to form a flipping distance. The baffle (2) is provided with an anti-interference groove corresponding to the support blocks (7). The upper end of the support blocks (7) is provided with rope grooves arranged on the left and right. The upper right side of the baffle (2) is connected to a pull rope (8) that passes through the rope groove. The pull rope (8) extends to the left and passes downward from the upper left side of the cover (1). After reaching the bottom of the inner cavity of the cover (1), it moves to the right along the upper end of the mounting plate (5). The upper end of the cover (1) and the left wall of the inner cavity are both provided with guide rings (9) to guide the pull rope (8). The mechanism also includes a locking mechanism between the mounting plate (5) and the lower wall of the inner cavity of the cover (1). The pull rope (8) is connected to the locking mechanism.

5. The protective cover for a pull-out scanning electron microscope according to claim 4, characterized in that: The locking mechanism includes a receiving cavity (10) with an opening at the lower end formed by the upper right side of the mounting plate (5) and a locking ball (11) located in the receiving cavity (10). The upper left wall of the receiving cavity (10) is inclined to the right. The pull rope (8) passes through the receiving cavity (10) to the right and then connects to the locking ball (11). The mounting plate (5) is provided with a sliding groove for the pull rope (8) to slide. The sliding groove is connected to the receiving cavity (10). The bottom wall of the inner cavity of the cover (1) is provided with a locking groove mechanism for locking the locking ball (11). The locking groove mechanism is located on the right side of the receiving cavity (10), and there is a pulling distance between the locking groove mechanism and the receiving cavity (10) for the baffle (2) to flip.

6. The protective cover for a pull-out scanning electron microscope according to claim 5, characterized in that: The slot mechanism includes a slot (12) formed by the recess of the cover (1) corresponding to the size of the ball (11), and an elastic component that elastically supports the ball is provided in the slot (12).

7. The protective cover for a pull-out scanning electron microscope according to claim 6, characterized in that: The elastic component is a spring (13).

8. The protective cover for a pull-out scanning electron microscope according to claim 1, characterized in that: A handle (14) is provided at the left end of the cover (1).

9. The protective cover for a pull-out scanning electron microscope according to claim 1, characterized in that: The front and rear ends of the cover (1) are provided with a through groove (15) extending to the right, and the middle of the right end of the baffle (2) is also provided with a through groove (15) extending downward.

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