CN213339278U - Gesture amplification device for sign language translation - Google Patents

Abstract

The utility model discloses a gesture amplification device that sign language translation was used belongs to amplification device technical field for sign language, including bottom plate, camera and projector, the piece is placed to the right side fixedly connected with of bottom plate, camera fixed mounting is at the top of placing the piece, the right side fixedly connected with rack at bottom plate top, projector fixed mounting is at the top of rack, the top fixed mounting of projector has the treater, electric connection between camera and the treater, electric connection between treater and the projector. The utility model discloses a, with the camera to the sign language gesture, the picture transmission that the camera will take down is for the treater, and the treater is handled the back and is transmitted for the projector and begin the projection, and the image sees through the initial grow of convex mirror refraction, comes the level crossing after that and is reflected half convex mirror, is further refracted by half convex mirror and enlargies on throwing the curtain, has solved the size and the angle that gesture amplification device can't adjust the image according to the site conditions in the past.

Description

Gesture amplification device for sign language translation

Technical Field

The utility model relates to an amplification device technical field for sign language, more specifically say, relate to a gesture amplification device that sign language translation was used.

Background

Sign language is a language which does not use voice but uses gestures, limb movements, facial expressions and the like to express meanings, main users and users are hearing-impaired people or speech-impaired people, the sign language is not universal for general public, but is a quite common communication mode in communities of people who are deaf to make up, the sign language is not universal in the world, and the sign language can be the same as oral language and develops a set of sign language with different expression vocabulary modes according to different regions.

In the present society, a large lecture or a speech is often held, and a corresponding sign language teacher may provide sign language translation to provide convenience for deaf and dumb people, but a viewer who is far behind needs to enlarge and project the sign language translation to observe the sign language translation, and there may be many situations in the field, such as an enlargement device needs to enlarge when the enlargement device is far away from the curtain or needs to adjust the angle with the curtain at the same horizontal line, and the like.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a gesture amplification device that sign language translation was used possesses the size that can adjust the influence and the advantage of angle, has solved the problem that above-mentioned background art mentioned.

Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A gesture amplification device for sign language translation comprises a bottom plate, a camera and a projector, wherein a placing block is fixedly connected to the right side of the bottom plate, the camera is fixedly installed at the top of the placing block, a placing frame is fixedly connected to the right side of the top of the bottom plate, the projector is fixedly installed at the top of the placing frame, a processor is fixedly installed at the top of the projector, the camera is electrically connected with the processor, the processor is electrically connected with the projector, two sliding grooves are formed in the top of the bottom plate, two pulleys are respectively connected to the two sliding grooves in a sliding manner, a moving frame is fixedly connected to the top of the four pulleys, a convex mirror is fixedly connected to the top of the moving frame, two sliding bars are respectively connected to the two sliding grooves in a sliding manner, and a movable frame is fixedly connected to the top of the two sliding bars, the top of the movable frame is fixedly connected with an installation pipe, the installation pipe is connected with a rotary rod in a rotating mode, a first gear is fixedly connected onto the rotary rod, a toothed plate is arranged inside the installation pipe and meshed with the first gear, the top of the toothed plate is fixedly connected with an installation plate, a groove is formed in the top of the installation plate, a first threaded rod is connected onto the inner wall of the groove in a rotating mode, a threaded sleeve is connected onto the first threaded rod in a threaded mode, a movable rod is hinged to the top of the threaded sleeve, a plane mirror is hinged to the top of the installation plate, the top end of the movable rod is hinged to the plane mirror, an installation rod is fixedly connected to the back of the top of the bottom plate and located between the movable frame and the movable frame, a movable block connected with the installation rod in a sliding mode is sleeved on the installation rod, and a, the moving block is provided with a threaded hole, the right end of the threaded hole is in threaded connection with a second threaded rod, and the left end of the second threaded rod penetrates through the threaded hole and is in contact with the mounting rod.

Preferably, the top of the two sliding strips is inserted with a limiting rod, the bottom ends of the two limiting rods penetrate through the two sliding strips respectively and are in contact with the inner walls of the two sliding grooves respectively, springs are sleeved on the two limiting rods, the bottom ends of the two springs are fixedly connected to the top of the two sliding strips respectively, and the top ends of the two springs are fixedly connected to the two limiting rods respectively.

Preferably, the front surface of the pulley on the left side of the back surface is fixedly connected with a second gear, the moving frame is connected with a limiting block in a sliding mode, and the bottom of the limiting block is in contact with the second gear.

Preferably, a friction pad is fixedly connected to the left side of the second threaded rod, and the left side of the friction pad is in contact with the mounting rod.

Preferably, two limiting grooves are formed in the inner wall of the groove, the limiting strips are connected to the inner portions of the limiting grooves in a sliding mode, and one sides, opposite to the limiting strips, of the limiting strips are fixedly connected to the threaded sleeves.

Preferably, the rotating rod is fixedly connected with a bearing, and an outer ring of the bearing is fixedly connected to the inner wall of the mounting pipe.

Preferably, the bottom of the toothed plate is fixedly connected with a circular plate, and the circular plate is in contact with the inner wall of the installation pipe.

Preferably, the mounting rod is sleeved with a limiting ring fixedly connected with the mounting rod, and the limiting ring is located at the bottom of the moving block.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) in the scheme, when a sign language gesture needs to be projected onto the curtain, the limiting block is lifted from the second gear, the movable frame moves left and right through the matching between the pulley and the sliding groove, the movable frame can be fixed when the movable frame does not need to move, the projection effect is prevented from being influenced by the self-movement of the movable frame, the distance between the convex mirror and the projector is adjusted, the size of a projection picture is adjusted, the limiting block is clamped on the second gear after the movable frame is adjusted to a proper position, if the device and the curtain are not on the same level, the limiting rod is lifted, the spring is stretched along with the limiting rod, the limiting rod is separated from the inner bottom wall of the sliding groove, the movable frame is moved to the proper position, and the movable frame can be fixed when the movable frame does not need to be moved by the design, so that the influence on the projection caused by the self-movement of the movable frame is prevented, then the rotating rod is rotated, the first gear on the rotating rod rotates along with the rotating rod, the toothed plate meshed with the first gear moves upwards along with the rotating rod, the circular plate moves upwards, the circular plate can ensure that the toothed plate moves horizontally all the time, the toothed plate is prevented from inclining, the plane mirror on the mounting plate is jacked upwards by the toothed plate, then the first threaded rod is rotated, the threaded sleeve on the first threaded rod moves along with the circular plate, the limiting strip also moves in the limiting groove at the moment, the limiting groove and the limiting strip are matched for use to limit the threaded sleeve to move horizontally all the time, the threaded sleeve is prevented from rotating along with the first threaded rod, the movable rod on the threaded sleeve moves so as to change the inclination angle of the plane mirror, then the moving block moves on the mounting rod, the second threaded rod is rotated after the moving block moves to a proper position, until the friction pad on the second threaded rod is contacted with the mounting, the friction between the second threaded rod and the installation rod can be increased by the aid of the friction pad, the second threaded rod can better limit the moving block, then the camera is directed at sign language gestures, the photographed pictures are transmitted to the processor by the camera, the processor processes the pictures and transmits the pictures to the projector to start projection, the images are refracted and initially enlarged through the convex mirror, the plane mirror is reflected to the semi-convex mirror and further refracted, enlarged and projected to a curtain through the semi-convex mirror, and the problem that the size and the angle of the images cannot be adjusted according to field conditions by the conventional gesture enlarging device is solved.

(2) This scheme is mentioned the restriction pole, and the spring is tensile thereupon makes the interior diapire separation of restriction pole and spout, will remove the adjustable shelf to suitable position thereupon, and the design can be so that the adjustable shelf can be fixed when need not removing the adjustable shelf, prevents that the adjustable shelf from removing by oneself and causing the influence to the projection.

(3) This scheme mentions the restriction piece from the second gear, removes about will removing the frame through the cooperation between pulley and the spout after that, and the design can be fixed when not needing to remove the frame and remove like this, avoids removing the frame and removes the influence projection effect by oneself.

(4) This scheme, when the friction pad on the second threaded rod contacts with the installation pole, the movable block just is fixed, and the friction between second threaded rod and the installation pole can be increased in setting up of friction pad for the second threaded rod can be better play the restriction effect to the movable block.

(5) This scheme rotates first threaded rod, and the thread bush on the first threaded rod moves thereupon, and the restriction strip also removes at restriction inslot portion this moment, and the cooperation between restriction groove and the restriction strip is used and can be restricted the thread bush and remain horizontal motion throughout, prevents that the thread bush from rotating along with first threaded rod.

(6) This scheme, the friction between rotary rod and the installation pipe can be reduced in setting up of bearing for the rotation rotary rod that the staff can relax can play certain fixed action to the rotary rod simultaneously, prevents that the rotary rod from taking place the slope.

(7) According to the scheme, the toothed plate meshed with the first gear moves upwards along with the first gear, the circular plate also moves upwards along with the first gear, the circular plate can ensure that the toothed plate moves horizontally all the time, and the toothed plate is prevented from inclining.

(8) According to the scheme, when the moving block slides down, the limiting ring can catch the moving block, and the semi-convex mirror is prevented from falling to the ground to cause damage.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic structural view of the utility model at the position B in fig. 1;

FIG. 4 is a schematic left-side sectional view of the movable frame of the present invention;

fig. 5 is an enlarged schematic structural view of the utility model at C in fig. 4;

FIG. 6 is a schematic left-side sectional view of the movable frame of the present invention;

fig. 7 is an enlarged schematic structural diagram of the utility model at D in fig. 6.

The reference numbers in the figures illustrate:

1. a base plate; 2. a camera; 3. a projector; 4. placing the blocks; 5. placing a rack; 6. a processor; 7. a chute; 8. a pulley; 9. a movable frame; 10. a convex mirror; 11. a slide bar; 12. a movable frame; 13. installing a pipe; 14. rotating the rod; 15. a first gear; 16. a toothed plate; 17. mounting a plate; 18. a groove; 19. a first threaded rod; 20. a threaded sleeve; 21. a movable rod; 22. a plane mirror; 23. mounting a rod; 24. a moving block; 25. a half convex mirror; 26. a threaded hole; 27. a second threaded rod; 28. a restraining bar; 29. a spring; 30. a limiting block; 31. a friction pad; 32. a limiting groove; 33. a restriction strip; 34. a bearing; 35. a circular plate; 36. a limiting ring; 37. a second gear.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, a gesture magnifying device for sign language translation comprises a bottom plate 1, a camera 2 and a projector 3, wherein a placing block 4 is fixedly connected to the right side of the bottom plate 1, the camera 2 is fixedly installed on the top of the placing block 4, a placing frame 5 is fixedly connected to the right side of the top of the bottom plate 1, the projector 3 is fixedly installed on the top of the placing frame 5, a processor 6 is fixedly installed on the top of the projector 3, the camera 2 is electrically connected with the processor 6, the processor 6 is electrically connected with the projector 3, two sliding grooves 7 are formed in the top of the bottom plate 1, two pulleys 8 are slidably connected to the inside of the two sliding grooves 7, a moving frame 9 is fixedly connected to the top between the four pulleys 8, a convex mirror 10 is fixedly connected to the top of the moving frame 9, two sliding bars 11 are slidably connected to the inside of the two sliding grooves 7, and a movable frame 12 is fixedly connected to the top between, the top of the movable frame 12 is fixedly connected with a mounting tube 13, the mounting tube 13 is rotatably connected with a rotating rod 14, the rotating rod 14 is fixedly connected with a first gear 15, a toothed plate 16 is arranged inside the mounting tube 13, the first gear 15 is meshed with the toothed plate 16, the top of the toothed plate 16 is fixedly connected with a mounting plate 17, the top of the mounting plate 17 is provided with a groove 18, the inner wall of the groove 18 is rotatably connected with a first threaded rod 19, the first threaded rod 19 is in threaded connection with a threaded sleeve 20, the top of the threaded sleeve 20 is hinged with a movable rod 21, the top of the mounting plate 17 is hinged with a plane mirror 22, the top of the movable rod 21 is hinged on the plane mirror 22, the back of the top of the bottom plate 1 is fixedly connected with a mounting rod 23, the mounting rod 23 is positioned between the movable frame 9 and the movable frame 12, the mounting rod 23 is sleeved with a movable block 24 in, the moving block 24 is provided with a threaded hole 26, the right end of the threaded hole 26 is in threaded connection with a second threaded rod 27, the left end of the second threaded rod 27 penetrates through the threaded hole 26 and is in contact with the mounting rod 23, when a sign language gesture needs to be projected onto a curtain, the limiting block 30 is firstly lifted from the second gear 37, then the moving frame 9 is moved leftwards and rightwards through the matching between the pulley 8 and the sliding groove 7, the moving frame 9 can be fixed when the moving frame 9 does not need to move, the projection effect is prevented from being influenced by the self movement of the moving frame 9, the distance between the convex mirror 10 and the projector 3 is adjusted, the size of a projection picture is adjusted, the limiting block 30 is clamped on the second gear 37 after the moving frame 9 is adjusted to a proper position, if the device and the curtain are not at the same level, the limiting rod 28 is lifted, the spring 29 is stretched along with the limiting block 28, so that the limiting rod 28 is separated from the, the movable frame 12 is moved to a proper position, the design is that the movable frame 12 can be fixed when the movable frame 12 does not need to be moved, the projection is prevented from being influenced by the self-movement of the movable frame 12, then the rotating rod 14 is rotated, the first gear 15 on the rotating rod 14 rotates along with the rotating rod, the toothed plate 16 meshed with the first gear 15 moves upwards along with the rotating rod, the circular plate 35 can ensure that the toothed plate 16 always moves horizontally, the toothed plate 16 is prevented from inclining, the flat mirror 22 on the mounting plate 17 is jacked upwards by the toothed plate 16, then the first threaded rod 19 rotates, the threaded sleeve 20 on the first threaded rod 19 moves along with the rotating rod, the limiting strip 33 also moves inside the limiting groove 32, the matching use between the limiting groove 32 and the limiting strip 33 can limit the threaded sleeve 20 to always move horizontally, and the threaded sleeve 20 is prevented from rotating along with the first threaded rod 19, the movable rod 21 on the threaded sleeve 20 moves to change the inclination angle of the plane mirror 22, then the moving block 24 moves on the mounting rod 23, the second threaded rod 27 rotates after the moving block moves to a proper position until the friction pad 31 on the second threaded rod 27 is contacted with the mounting rod 23, at this time, the semi-convex mirror 25 is fixed, the friction pad 31 can increase the friction between the second threaded rod 27 and the mounting rod 23, so that the second threaded rod 27 can better limit the moving block 24, then, when the camera 2 faces the sign language gesture, the camera 2 transmits the photographed image to the processor 6, the processor 6 transmits the photographed image to the projector 3 to start projection after processing, the image is refracted by the convex mirror 10 to be enlarged initially, then the image is reflected to the semi-convex mirror 25 by the plane mirror 22, is further refracted, amplified and projected to the curtain by the semi-convex mirror 25, and the problem that the size and the angle of the image cannot be adjusted according to the field condition by the conventional gesture amplifying device is solved.

Further, limiting rods 28 are inserted into the tops of the two sliding strips 11, the bottom ends of the two limiting rods 28 penetrate through the two sliding strips 11 respectively and are in contact with the inner walls of the two sliding grooves 7 respectively, springs 29 are sleeved on the two limiting rods 28, the bottom ends of the two springs 29 are fixedly connected to the tops of the two sliding strips 11 respectively, the top ends of the two springs 29 are fixedly connected to the two limiting rods 28 respectively, the limiting rods 28 are lifted, the springs 29 are stretched accordingly to enable the limiting rods 28 to be separated from the inner bottom wall of the sliding grooves 7, and accordingly the movable frame 12 is moved to a proper position, so that the movable frame 12 can be fixed when the movable frame 12 does not need to be moved, and the movable frame 12 is prevented from moving automatically to affect projection.

Furthermore, the front of the pulley 8 on the left side of the back is fixedly connected with a second gear 37, the moving frame 9 is connected with a limiting block 30 in a sliding mode, the bottom of the limiting block 30 is in contact with the second gear 37, the limiting block 30 is lifted from the second gear 37, and then the moving frame 9 is moved left and right through the matching between the pulley 8 and the sliding groove 7, so that the moving frame 9 can be fixed when the moving frame 9 does not need to move, and the phenomenon that the moving frame 9 moves automatically to influence the projection effect is avoided.

Furthermore, a friction pad 31 is fixedly connected to the left side of the second threaded rod 27, the left side of the friction pad 31 is in contact with the mounting rod 23, when the friction pad 31 on the second threaded rod 27 is in contact with the mounting rod 23, the moving block 24 is fixed, and the friction between the second threaded rod 27 and the mounting rod 23 can be increased by the friction pad 31, so that the second threaded rod 27 can better limit the moving block 24.

Further, two restriction grooves 32 have been seted up on the inner wall of recess 18, the equal sliding connection in inside of two restriction grooves 32 has restriction strip 33, the equal fixed connection in one side that two restriction strips 33 are relative is on thread bush 20, rotate first threaded rod 19, thread bush 20 on the first threaded rod 19 removes along with it, restriction strip 33 also removes at restriction groove 32 inside this moment, cooperation between restriction groove 32 and the restriction strip 33 is used and can be restricted thread bush 20 and remain horizontal motion all the time, prevent that thread bush 20 from rotating along with first threaded rod 19.

Further, fixedly connected with bearing 34 on the rotary rod 14, the outer lane fixed connection of bearing 34 is on the inner wall of installation pipe 13, and the friction between rotary rod 14 and the installation pipe 13 can be reduced in the setting of bearing 34 for the rotation rotary rod 14 that the staff can relax can play certain fixed action to rotary rod 14 simultaneously, prevents that rotary rod 14 from taking place the slope.

Further, the bottom of toothed plate 16 is fixedly connected with circular plate 35, circular plate 35 contacts with the inner wall of installation pipe 13, and toothed plate 16 that first gear 15 meshed therewith moves up along with it, and circular plate 35 also follows upward movement, and circular plate 35 can guarantee to take toothed plate 16 horizontal migration all the time, prevents to take toothed plate 16 to take place the slope.

Further, the mounting rod 23 is sleeved with a limiting ring 36 fixedly connected with the mounting rod, the limiting ring 36 is located at the bottom of the moving block 24, and when the moving block 24 slides down, the limiting ring 36 can catch the moving block 24, so that the semi-convex mirror 25 is prevented from falling to the ground to cause damage.

In the scheme, the type of the camera 2 can be Ouda 4K; projector 3 may be model PT-SRQ32 KC; the processor 6 may be of a type E5-2690.

The working principle is as follows: when a sign language gesture needs to be projected on the curtain, firstly, the limiting block 30 is lifted from the second gear 37, then the moving frame 9 is moved left and right through the matching between the pulley 8 and the sliding chute 7, so as to adjust the distance between the convex mirror 10 and the projector 3, thereby adjusting the size of the projection picture, after the limiting block 30 is adjusted to a proper position, the limiting block 30 is clamped on the second gear 37, if the device is not at the same level with the curtain, the limiting rod 28 is lifted, the spring 29 is stretched along with the limiting rod 28 to separate from the inner bottom wall of the sliding chute 7, the moving frame 12 is moved to a proper position, then the rotating rod 14 is rotated, the first gear 15 on the rotating rod 14 rotates along with the rotating rod, the toothed plate 16 meshed with the first gear 15 moves upwards, the circular plate 35 also moves upwards along with the rotating rod, the flat mirror 22 on the mounting plate 17 is lifted upwards by the toothed plate 16, then, by turning the first threaded rod 19, the threaded sleeve 20 on the first threaded rod 19 moves, and at this time, the restricting bar 33 also moves inside the restricting groove 32, the movable rod 21 on the threaded sleeve 20 moves to change the tilt angle of the flat mirror 22, then the moving block 24 is moved on the mounting rod 23, and after moving to a proper position, the second threaded rod 27 is rotated until the friction pad 31 on the second threaded rod 27 is contacted with the mounting rod 23, at which time the half-convex mirror 25 is fixed, then, when the camera 2 faces the sign language gesture, the camera 2 transmits the photographed image to the processor 6, the processor 6 transmits the photographed image to the projector 3 to start projection after processing, the image is refracted by the convex mirror 10 to be enlarged initially, then the image is reflected to the semi-convex mirror 25 by the plane mirror 22, is further refracted, amplified and projected to the curtain by the semi-convex mirror 25, and the problem that the size and the angle of the image cannot be adjusted according to the field condition by the conventional gesture amplifying device is solved.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (8)

1. A gesture amplification device for sign language translation comprises a base plate (1), a camera (2) and a projector (3), and is characterized in that: the right side of the bottom plate (1) is fixedly connected with a placing block (4), the camera (2) is fixedly installed at the top of the placing block (4), the right side of the top of the bottom plate (1) is fixedly connected with a placing frame (5), the projector (3) is fixedly installed at the top of the placing frame (5), the top of the projector (3) is fixedly installed with a processor (6), the camera (2) is electrically connected with the processor (6), the processor (6) is electrically connected with the projector (3), the top of the bottom plate (1) is provided with two sliding chutes (7), the insides of the two sliding chutes (7) are respectively and slidably connected with two pulleys (8), the tops between the four pulleys (8) are fixedly connected with a moving frame (9), the top of the moving frame (9) is fixedly connected with a convex mirror (10), and the insides of the two sliding chutes (7) are respectively and slidably connected with two sliding strips (11), two top fixedly connected with adjustable shelf (12) between draw runner (11), the top fixedly connected with installation pipe (13) of adjustable shelf (12), it is connected with rotary rod (14) to rotate on installation pipe (13), fixedly connected with first gear (15) on rotary rod (14), the inside of installation pipe (13) is provided with takes toothed plate (16), first gear (15) meshes with taking toothed plate (16), the top fixedly connected with mounting panel (17) of taking toothed plate (16), recess (18) are seted up at the top of mounting panel (17), it is connected with first threaded rod (19) to rotate on the inner wall of recess (18), threaded connection has thread bush (20) on first threaded rod (19), the top of thread bush (20) articulates there is movable rod (21), the top of mounting panel (17) articulates there is level crossing (22), the top of movable rod (21) articulates on level crossing (22), the back fixedly connected with installation pole (23) at bottom plate (1) top, installation pole (23) are located between carriage (9) and movable frame (12), the cover is equipped with movable block (24) rather than sliding connection on installation pole (23), half convex mirror (25) of left side fixedly connected with of movable block (24), set up threaded hole (26) on movable block (24), the right-hand member threaded connection of screw hole (26) has second threaded rod (27), the left end of second threaded rod (27) runs through screw hole (26) and contacts with installation pole (23).

2. The gesture magnification device for sign language translation according to claim 1, characterized in that: the top of two draw runner (11) all pegs graft and have limiting rod (28), two the bottom of limiting rod (28) runs through two draw runners (11) respectively and contacts with the inner wall of two spout (7) respectively, two all the cover is equipped with spring (29) on limiting rod (28), two the bottom of spring (29) is fixed connection respectively at the top of two draw runners (11), two the top of spring (29) is fixed connection respectively on two limiting rod (28).

3. The gesture magnification device for sign language translation according to claim 1, characterized in that: the front side of the pulley (8) on the left side of the back side is fixedly connected with a second gear (37), the moving frame (9) is connected with a limiting block (30) in a sliding mode, and the bottom of the limiting block (30) is in contact with the second gear (37).

4. The gesture magnification device for sign language translation according to claim 1, characterized in that: the left side of the second threaded rod (27) is fixedly connected with a friction pad (31), and the left side of the friction pad (31) is in contact with the mounting rod (23).

5. The gesture magnification device for sign language translation according to claim 1, characterized in that: two limiting grooves (32) are formed in the inner wall of the groove (18), two limiting strips (33) are connected to the inner portions of the limiting grooves (32) in a sliding mode, and the two limiting strips (33) are fixedly connected to the opposite sides of the threaded sleeve (20).

6. The gesture magnification device for sign language translation according to claim 1, characterized in that: and a bearing (34) is fixedly connected to the rotating rod (14), and the outer ring of the bearing (34) is fixedly connected to the inner wall of the mounting pipe (13).

7. The gesture magnification device for sign language translation according to claim 1, characterized in that: the bottom fixedly connected with circular plate (35) of toothed plate (16), circular plate (35) contact with the inner wall of installation pipe (13).

8. The gesture magnification device for sign language translation according to claim 1, characterized in that: the mounting rod (23) is sleeved with a limiting ring (36) fixedly connected with the mounting rod, and the limiting ring (36) is located at the bottom of the moving block (24).

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