Amplification projection equipment for handwriting identification

Abstract

The utility model discloses amplification projection equipment for handwriting identification, which is applied to the technical field of handwriting identification projection, and is characterized in that an identification object is slightly inclined, one side of the identification object is propped against a clamping plate, and then the identification object is moved to enable the clamping plate at the propped part to drive a positioning rod to move, so that after a spring is compressed and moved to a certain position, the positioning rod is fixed; the method comprises the following steps of: keeping an identified object level and enabling the other side of the identified object to abut against the other clamping plate, so that the identified objects with different sizes can be conveniently clamped and fixed, then moving an L-shaped rod to lift along a connecting rod, so that a camera can be far away from or close to the identified object, the shooting definition of the camera is improved, and finally starting a motor to move the camera. And through the lifting adjusting mechanism, the height and angle of the projector can be adjusted, and the projector is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to handwriting identification projection technical field, especially involve a handwriting identification enlarging projection equipment. BACKGROUND

[0002] Handwriting identification is the identification and recognition of the handwriting formed by the writing activity of a person. The writing habit of a person is specific and stable, and is reflected in handwriting. Through the examination of handwriting, it can be determined whether the handwriting in the document is written by several people or by a certain person, and the handwriting can be used to identify the same person, and to verify the authenticity of the document. At present, projection equipment is used to enlarge handwriting during handwriting identification.

[0003] At present, the Chinese utility model with the publication number CN214154697U discloses a handwriting identification enlarging projection equipment, which belongs to the field of handwriting identification. The distance between the two sets of clamping jaws in the device is fixed and cannot be adjusted, so it can only fix identification objects of a fixed size, and the use is limited. At the same time, the height of the camera is fixed and cannot be adjusted, which may affect the clarity of the camera shooting. UTILITY MODEL CONTENT

[0004] The utility model aims at a handwriting identification enlarging projection equipment, which has the advantages of being convenient for fixing identification objects of different sizes and being convenient for adjusting the height of the camera.

[0005] The above technical purpose of the utility model is achieved by the following technical scheme: a handwriting identification enlarging projection equipment, which comprises a bottom plate, a projector fixedly connected to one side of the top of the bottom plate through a lifting adjusting mechanism, a fixing frame fixedly connected to the other side of the top of the bottom plate, a positioning rod slidingly connected to the inner wall of the fixing frame, a clamping plate fixedly connected to one end of the positioning rod, a spring provided on the outer side of the positioning rod, one end of the spring fixedly connected to the inner wall of the fixing frame, the other end of the spring fixedly connected to one side of the clamping plate, an adjusting seat fixedly connected to the top of the fixing frame, a connecting rod provided on the adjusting seat, an L-shaped rod slidingly connected to the inside of the connecting rod, and a camera provided at one end of the L-shaped rod.

[0006] The technical scheme is as follows: the identification object is slightly inclined and abuts against one side of the clamping plate, then the identification object is moved to drive the clamping plate at the abutting position to move the positioning rod, so that the spring is compressed, after moving to a certain position, the identification object is held flat and abuts against the other clamping plate, so that different sizes of identification objects are conveniently clamped and fixed, then the height of the L-shaped rod is adjusted to make the L-shaped rod ascend and descend along the connecting rod, so that the camera is far away from or close to the identification object, the shooting definition of the camera is improved, and the camera is conveniently moved by the adjusting seat.

[0007] The utility model further sets up: the adjusting seat includes first motor, screw rod, locating block and locating groove, one side of adjusting seat is fixedly connected with first motor, the output of first motor is fixedly connected with screw rod.

[0008] The technical scheme is as follows: the camera is conveniently moved.

[0009] The utility model further sets up, one end of screw rod is rotatedly connected with the inner wall of adjusting seat through bearing seat, the outside of screw rod is screwly connected with the inner wall of connecting rod.

[0010] The technical scheme is as follows: the screw rod is kept stable rotation.

[0011] The utility model further sets up, the bottom fixedly connected with locating block of connecting rod, the inner wall of adjusting seat is seted up with locating groove.

[0012] The technical scheme is as follows: the connecting rod is stably moved.

[0013] The utility model further sets up, connecting rod includes hand screw and screw hole, the inner wall screwly connected with hand screw of connecting rod, the inner wall of L-shaped rod is seted up with screw hole.

[0014] The utility model further sets up, the number of screw hole is a plurality of, a plurality of screw hole equidistance is seted up.

[0015] The technical scheme is as follows: the L-shaped rod is conveniently fixed.

[0016] The utility model further sets up, the lift adjusting mechanism includes the electric push rod of setting in the bottom plate top, the top rod fixedly connected with fixed seat of electric push rod, one side of fixed seat is provided with second motor, the output fixedly connected with driving wheel of second motor, the outside meshing connection with driven wheel of driving wheel, the inner ring fixedly connected with connecting shaft of driven wheel, the top fixedly connected with mounting seat of connecting shaft through the top of bearing seat of bottom, the bottom of connecting shaft is rotatedly connected with the bottom of fixed seat inner chamber through bearing seat.

[0017] The height and angle of the projector can be conveniently adjusted.

[0018] The projector is located in the mounting seat.

[0019] The projector can be conveniently installed.

[0020] The utility model has the following beneficial effects:

[0021] 1: slightly incline the identification object and abut one side of the identification object on the clamping plate, then move the identification object to drive the positioning rod to move, so that the spring is compressed, after moving to a certain position, hold the identification object flat and abut the other side of the identification object on another clamping plate, so that the identification object of different sizes is clamped and fixed, then the height of the L-shaped rod is adjusted to make it ascend and descend along the connecting rod, so that the camera can be away from or close to the identification object, the shooting definition of the camera is improved, finally the motor is started to drive the screw rod to rotate, the rotation of the screw rod can drive the connecting rod to move and drive the camera to move, and the identification object is conveniently shot.

[0022] 2: the projector is connected with an input device, the height of the projector is adjusted by starting the electric push rod, then the second motor is started to drive the driven wheel to rotate, the connecting shaft drives the mounting seat to rotate when the driven wheel rotates, so that the angle of the projector can be adjusted, and the projector is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the overall structure schematic view of the utility model;

[0024] Figure 2 It is the structure schematic view of the connecting rod and the L-shaped rod of the utility model;

[0025] Figure 3 It is the structure schematic view of the first motor and the screw rod of the utility model;

[0026] Figure 4 It is the structure schematic view of the first motor and the screw rod of the utility model; Figure 2 It is the structure schematic view of the first motor and the screw rod of the utility model;

[0027] Drawing reference: 1, bottom plate; 2, projector; 3, fixed frame; 4, positioning rod; 5, clamping plate; 6, spring; 7, adjusting seat; 701, first motor; 702, screw rod; 703, positioning block; 704, positioning groove; 8, connecting rod; 801, hand screw; 802, threaded hole; 9, L-shaped rod; 10, camera; 11, electric push rod; 12, fixed seat; 13, second motor; 14, driving wheel; 15, driven wheel; 16, connecting shaft; 17, mounting seat. DETAILED DESCRIPTION

[0028] The utility model will be made further detailed explanation below combining the drawings.

[0029] Reference Figure 1 , Figure 2 And Figure 3 A handwriting identification magnifying projection device, including the bottom plate 1, one side of the top of bottom plate 1 is fixedly connected with fixed frame 3, the inner wall of fixed frame 3 is slidably connected with positioning rod 4, one end of positioning rod 4 is fixedly connected with clamping plate 5, the outside of positioning rod 4 is provided with spring 6, one end of spring 6 is fixedly connected with the inner wall of fixed frame 3, the other end of spring 6 is fixedly connected with one side of clamping plate 5, the top of fixed frame 3 is fixedly connected with adjusting seat 7, and connecting rod 8 is arranged on adjusting seat 7, and L-shaped rod 9 is slidably connected in the inside of connecting rod 8, and one end of L-shaped rod 9 is provided with camera 10.

[0030] Among them, the number of positioning rod 4 is six, and three are a group.

[0031] Reference Figure 3 Adjusting seat 7 includes first motor 701, screw rod 702, positioning block 703 and positioning groove 704, and one side of adjusting seat 7 is fixedly connected with first motor 701, and the output end of first motor 701 is fixedly connected with screw rod 702.

[0032] Reference Figure 3 One end of screw rod 702 is rotatably connected with the inner wall of adjusting seat 7 through bearing seat, and the outer side of screw rod 702 is threadedly connected with the inner wall of connecting rod 8.

[0033] Reference Figure 3 The bottom of connecting rod 8 is fixedly connected with positioning block 703, and the inner wall of adjusting seat 7 is provided with positioning groove 704, and the cooperation of positioning block 703 and positioning groove 704 can make connecting rod 8 move stably.

[0034] Reference Figure 1 , Figure 2 And Figure 3 Connecting rod 8 includes hand screw 801 and threaded hole 802, and the inner wall of connecting rod 8 is threadedly connected with hand screw 801, and the inner wall of L-shaped rod 9 is provided with threaded hole 802.

[0035] Reference Figure 2 And Figure 3 The number of threaded holes 802 is several, and the several threaded holes 802 are equidistantly arranged.

[0036] Brief description of the use process: slightly tilt the identification object and abut one side of the identification object on the clamping plate 5, then move the identification object to drive the clamping plate 5 at the abutment to move the positioning rod 4, so that the spring 6 is compressed, after moving to a certain position, the identification object is held flat and the other side of the identification object is abutted on the other clamping plate 5, so that the fixing operation is convenient, and different sizes of identification objects can be clamped and fixed, then the height of the L-shaped rod 9 is adjusted to make the L-shaped rod 9 ascend and descend along the connecting rod 8, so that the camera 10 can be away from or close to the identification object, the shooting clarity of the camera 10 is improved, then the hand screw 801 is screwed into and penetrates the connecting rod 8 and is screwed with the threaded hole 802, so that the L-shaped rod 9 is fixed, finally the first motor 701 is started to drive the screw rod 702 to rotate, the rotation of the screw rod 702 can drive the connecting rod 8 to move, drive the L-shaped rod 9 to move, and drive the camera 10 to move, so that the identification object can be shot conveniently.

[0037] Reference Figure 1 And Figure 4 A handwriting identification magnifying projection device, comprising a bottom plate 1, one side of the top of the bottom plate 1 is fixedly connected with a projector 2 through a lifting adjusting mechanism.

[0038] Reference Figure 4 The lifting adjusting mechanism comprises an electric push rod 11 arranged on the top of the bottom plate 1, the top rod of the electric push rod 11 is fixedly connected with a fixing seat 12, one side of the fixing seat 12 is provided with a second motor 13, the output end of the second motor 13 is fixedly connected with a driving wheel 14, the outer side of the driving wheel 14 is meshingly connected with a driven wheel 15, the inner ring of the driven wheel 15 is fixedly connected with a connecting shaft 16, the top of the connecting shaft 16 is fixedly connected with a mounting seat 17 penetrating through the top of the fixing seat 12, and the bottom end of the connecting shaft 16 is rotatably connected with the bottom of the inner cavity of the fixing seat 12 through a bearing seat.

[0039] Reference Figure 1 The projector 2 is located in the mounting seat 17, and the projector 2 is electrically connected with the camera 10 through a cable.

[0040] Brief description of the use process: the projector 2 is connected with an input device (such as a television or a computer), then the height of the projector 2 is adjusted by starting the electric push rod 11, and the second motor 13 is started to drive the driving wheel 14 to rotate, so that the connecting shaft 16 drives the mounting seat 17 to rotate when the driven wheel 15 rotates, so that the angle of the projector 2 can be adjusted, and the picture shot by the camera 10 can be projected on a large screen.

[0041] This specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and those skilled in the art can make modifications without creative contribution after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. An enlarged projection apparatus for handwriting identification, comprising a base plate (1), characterized in that: The side of the top of the bottom plate (1) is fixedly connected with a projector (2) through a lifting adjusting mechanism, the other side of the top of the bottom plate (1) is fixedly connected with a fixing frame (3), the inner wall of the fixing frame (3) is slidably connected with a positioning rod (4), one end of the positioning rod (4) is fixedly connected with a clamping plate (5), the outer side of the positioning rod (4) is provided with a spring (6), one end of the spring (6) is fixedly connected with the inner wall of the fixing frame (3), the other end of the spring (6) is fixedly connected with one side of the clamping plate (5), the top of the fixing frame (3) is fixedly connected with an adjusting seat (7), the adjusting seat (7) is provided with a connecting rod (8), the inside of the connecting rod (8) is slidably connected with an L-shaped rod (9), one end of the L-shaped rod (9) is provided with a camera (10).

2. The handwriting identification magnifying projection apparatus according to claim 1, wherein: The adjusting seat (7) comprises a first motor (701), a lead screw (702), a positioning block (703) and a positioning groove (704), one side of the adjusting seat (7) is fixedly connected with the first motor (701), and the output end of the first motor (701) is fixedly connected with the lead screw (702).

3. The handwriting identification magnifying projection apparatus according to claim 2, wherein: One end of the lead screw (702) is rotatably connected with the inner wall of the adjusting seat (7) through a bearing seat, and the outer side of the lead screw (702) is threadedly connected with the inner wall of the connecting rod (8).

4. The handwriting identification magnifying projection apparatus according to claim 1, wherein: The bottom of the connecting rod (8) is fixedly connected with the positioning block (703), and the inner wall of the adjusting seat (7) is provided with the positioning groove (704).

5. The handwriting identification magnifying projection apparatus according to claim 1, wherein: The connecting rod (8) comprises a hand screw (801) and a threaded hole (802), the inner wall of the connecting rod (8) is threadedly connected with the hand screw (801), and the inner wall of the L-shaped rod (9) is provided with the threaded hole (802).

6. The handwriting identification magnifying projection apparatus according to claim 5, wherein: The number of the threaded holes (802) is several, and the several threaded holes (802) are equidistantly arranged.

7. The handwriting identification magnifying projection apparatus according to claim 1, wherein: The lifting adjusting mechanism comprises an electric push rod (11) arranged on the top of the bottom plate (1), the top rod of the electric push rod (11) is fixedly connected with a fixing seat (12), one side of the fixing seat (12) is provided with a second motor (13), the output end of the second motor (13) is fixedly connected with a driving wheel (14), the outer side of the driving wheel (14) is meshedly connected with a driven wheel (15), the inner ring of the driven wheel (15) is fixedly connected with a connecting shaft (16), the top of the connecting shaft (16) penetrates through the top of the fixing seat (12) and is fixedly connected with a mounting seat (17), and the bottom end of the connecting shaft (16) is rotatably connected with the bottom of the inner cavity of the fixing seat (12) through a bearing seat.

8. The handwriting identification magnifying projection apparatus according to claim 1, wherein: The projector (2) is located in the mounting seat (17).

Images