CN207796490U - A kind of monitor stand transmission device - Google Patents

Abstract

The utility model discloses a monitor support transmission device, which comprises: an annular track, the bottom of which is provided with an annular sliding groove, and the inner wall of the sliding groove is provided with an annular rack portion; a sliding mechanism, which includes a sliding seat connected up and down 1. Mounting seat, the motor shaft of the first stepper motor extends into the sliding groove and the upper end is provided with the first gear, and the first gear located on the same side of the sliding seat meshes with the rack part, and the lower end surface of the mounting seat is left and right. The two ends are provided with first fixed plates respectively, and a rotating rod is arranged between the two first fixed plates, and the two threaded sections with opposite directions of rotation of the rotating rod are respectively threaded with a first sliding seat and a second sliding seat; The mechanism, which is located below the sliding mechanism, includes at least two X-shaped folding frames; the rotating mechanism, which includes a first connecting rod and a second connecting rod hingedly connected by a rotating shaft, and the end of the second connecting rod away from the rotating shaft is connected to the camera housing connected. The utility model prolongs the transmission distance and reduces occupied space.

Description

A monitor bracket transmission device

technical field

The utility model belongs to the technical field of monitors, in particular to a monitor bracket transmission device.

Background technique

Security monitoring equipment includes many aspects, so its equipment types are also relatively miscellaneous. Basically, it can be divided into TV monitoring system, alarm control system, remote image transmission equipment products, etc. There are mainly the following types of monitoring equipment: PTZ, bracket, Protective cover, monitor, video amplifier, video splitter, video switcher, screen splitter, video recorder, etc. However, ordinary monitoring equipment cannot cover every corner of a room, and it is unrealistic to install a monitoring camera in every corner of a room, and such an installation method not only occupies a limited Most of the time, it is necessary to move the observation equipment, which will generate a lot of repetitive work and increase the labor intensity in the process of restoring the observation equipment, which makes the daily maintenance workload quite large. Chinese patent CN204459645U discloses a camera rotation mechanism: the camera is driven to rotate relative to the connecting shaft and the main body sleeve through the rotating bracket to realize the adjustment of the shooting angle of the camera, and the meshing relationship between the elastic positioning pin and the positioning tooth belt can be used. Realize the precise positioning of the viewing angle; however, when the conventional monitoring transmission device transmits the monitor, there are often problems such as the transmission distance of the transmission device is not long enough and the space occupied is large, and the expected monitoring effect cannot be achieved.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a monitor bracket transmission device that extends the transmission distance and reduces the occupied space.

The utility model solves the technical problem by adopting the following technical proposals: a monitor bracket transmission device, including a circular track, a sliding mechanism, a lifting mechanism and a rotating mechanism;

The bottom of the annular track is provided with an annular sliding groove, the section of which is "T" shaped, and an annular rack portion is respectively arranged on the inner walls of both sides of the vertical section of the sliding groove;

The sliding mechanism includes a sliding seat and an installation seat connected up and down. The section of the sliding seat is "T"-shaped. The sliding seat matches the shape of the sliding groove and is slidably connected. The upper end of the mounting seat is symmetrically provided with two motor installation grooves. , the motor installation groove is provided with a first stepping motor, the motor shaft of the first stepping motor extends into the sliding groove and the upper end is provided with a first gear, and the two racks are respectively arranged close to the two first gears, and are located at The first gear on the same side of the sliding seat meshes with the rack. A pair of first fixing plates are arranged opposite to each other on both ends of the lower end surface of the mounting seat. A rotating rod is arranged between the two first fixing plates, and one end of the rotating rod passes through the One of the first fixed plates is connected to the motor shaft of the second stepping motor through transmission, and the rotating rod is provided with two sections of threaded sections with opposite rotation directions, and the two threaded sections with opposite rotation directions of the rotating rod are respectively threaded with a second threaded section. A sliding seat, a second sliding seat;

The lifting mechanism, located below the sliding mechanism, includes at least two "X"-shaped folding frames, and the two adjacent folding frames are hingedly connected, and the two ends of the uppermost folding frame are respectively connected to the first sliding seat and the second sliding seat Hinged, a positioning seat is provided under the folding frame, and a pair of second fixing plates are arranged on the two ends of the upper surface of the positioning seat, a sliding bar is arranged between the two second fixing plates, and a first sliding ring, The second sliding ring, the two ends of the lowermost folding frame are respectively hinged with the first sliding ring and the second sliding ring;

The rotating mechanism includes a first connecting rod and a second connecting rod hingedly connected by a rotating shaft. The upper end of the first connecting rod is fixedly connected to the bottom of the positioning seat, and the end of the second connecting rod away from the rotating shaft is connected to the camera housing.

The first connecting rod and the second connecting rod are respectively provided with a first arc-shaped through groove and a second arc-shaped through groove, and the rotating mechanism also includes a rotating ring and a third stepping motor, and the rotating ring is coaxially arranged with the rotating shaft , the inner edge of the rotating ring is provided with a ring gear, the rotating ring is slidingly connected with the first arc-shaped slot, and fixedly connected with the second arc-shaped slot, and the third stepping motor is fixed on the first connecting rod in the rotating ring , the motor shaft of the third stepping motor is provided with a second gear, and the second gear meshes with the ring gear.

The lower end of the mounting seat is also provided with a first slide rail, and the upper end of the positioning seat is also provided with a second slide rail, and the upper ends of the first slide seat and the second slide seat are all provided with a first slide rail that is slidably connected with the first slide rail. The chute, the lower ends of the first slide ring and the second slide ring are provided with a second chute which is slidably connected with the second slide rail.

The upper end of the circular track is provided with a mounting portion.

Advantage and positive effect of the present utility model are:

1. In the utility model, the sliding mechanism can slide back and forth along the sliding groove of the circular track, thus increasing the range of motion of the camera housing in the horizontal direction. In the utility model, the folding frame can be stretched in the vertical direction, thereby increasing the camera. The movable range of the shell in the vertical direction can extend the transmission distance and reduce the occupied space.

2. In the utility model, the inclination angle of the camera housing can be adjusted through the rotating mechanism, which greatly increases the degree of freedom of the overall device.

Description of drawings

Fig. 1 is a top view of the utility model;

Fig. 2 is a sectional view along plane A-A of Fig. 1 .

In the figure: 1. Ring track, 2. Sliding groove, 3. Rack part, 4. Sliding seat, 5. Mounting seat, 6. Motor mounting groove, 7. The first stepping motor, 8. The first gear, 9 .The first fixed plate, 10. Rotating rod, 11. The second stepper motor, 12. Thread segment, 13. The first sliding seat, 14. The second sliding seat, 15. Folding frame, 16. Positioning seat, 17. The second fixed plate, 18. sliding rod, 19. the first sliding ring, 20. the second sliding ring, 21. the rotating shaft, 22. the first connecting rod, 23. the second connecting rod, 24. the first arc-shaped through groove , 25. The second arc-shaped slot, 26. Rotating ring, 27. Ring gear, 28. Camera shell, 29. The third stepping motor, 30. The second gear, 31. The first slide rail, 32. The second Slide rail, 33. Installation part.

Detailed ways

The technical scheme of the utility model will be further described in detail below in conjunction with the drawings and embodiments, but it should be known that these drawings are only designed for the purpose of explanation, and therefore are not intended to limit the scope of the utility model. Furthermore, unless otherwise indicated, the drawings are only intended to conceptually illustrate the architectural configurations described herein and are not necessarily drawn to scale.

It should be noted that the specific structure, features and advantages of the present utility model will be described in detail below by means of examples, but all descriptions are only for illustration, and should not be interpreted as forming any limitation on the present utility model . In addition, any single technical feature described or implied in each embodiment mentioned herein, or any single technical feature shown or implied in each drawing, can still be described in these technical features (or their equivalents) ) to continue any combination or deletion, so as to obtain more other embodiments of the present utility model that may not be directly mentioned herein. In addition, for the sake of simplifying the drawings, the same or similar technical features may only be marked in one place in the same drawing.

In the description of the present utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inner", "front", "central", "both ends" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description , rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In this utility model, unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection", "fixation" and "rotation" should be understood in a broad sense, for example, it may be a fixed connection, It can also be detachable connection, or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components Unless otherwise clearly defined, those skilled in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

As shown in Figure 1-2, the monitor bracket transmission device of the present utility model includes an annular track 1, a sliding mechanism, a lifting mechanism and a rotating mechanism;

An annular track 1 is provided with an annular sliding groove 2 at the bottom, the section of the sliding groove is "T" shape, and an annular rack part 3 is respectively arranged on the inner walls of both sides of the vertical section of the sliding groove;

The sliding mechanism includes a sliding seat 4 and an installation seat 5 connected up and down. The section of the sliding seat 4 is "T" shaped, and the sliding seat 4 matches the shape of the sliding groove 2 and is slidably connected. The upper end surface of the installation seat 5 is symmetrically arranged. There are two motor installation slots 6, the motor installation slot 6 is provided with a first stepping motor 7, the motor shaft of the first stepping motor 7 extends into the sliding slot 2 and the upper end is provided with a first gear 8, two teeth The bar part 3 is arranged close to the two first gears 8 respectively, and the first gear 8 on the same side of the sliding seat 4 meshes with the rack part 3, and a pair of first fixing plates 9 are provided opposite to each other on both ends of the lower end surface of the mounting seat 5 , rotating between the two first fixed plates is provided with a rotating rod 10, one end of the rotating rod 10 passes through one of the first fixed plates 9 and is connected to the motor shaft of the second stepping motor 11, and the rotating rod 10 is provided with two The segment rotates to the opposite threaded segment, and the two oppositely rotated threaded segments of the rotating rod 10 are threadedly connected with the first sliding seat 13 and the second sliding seat 14 respectively;

The lifting mechanism is located below the sliding mechanism and includes at least two "X" type folding frames 15, and the two adjacent folding frames are hingedly connected, and the two ends of the top folding frame 15 are respectively connected with the first sliding seat 13 and the second sliding seat 13. The sliding seat 14 is hinged, and the bottom of the folding frame 15 is provided with a positioning seat 16. The two ends of the upper surface of the positioning seat 16 are oppositely provided with a pair of second fixing plates 17, and a slide bar 18 is arranged between the two second fixing plates 17. A first slide ring 19 and a second slide ring 20 are slidably provided on the slide bar 18, and the two ends of the lowermost folding frame 15 are respectively hinged with the first slide ring 19 and the second slide ring 20;

The rotating mechanism includes a first connecting rod 22 and a second connecting rod 23 hingedly connected by a rotating shaft 21. The upper end of the first connecting rod 22 is fixedly connected to the bottom of the positioning seat 16, and the end of the second connecting rod 23 away from the rotating shaft 21 is connected to the camera. Housing 28 is connected.

The first connecting rod 22 and the second connecting rod 23 are respectively penetrated with a first arc-shaped through groove 24 and a second arc-shaped through groove 25, and the rotating mechanism also includes a rotating ring 26 and a third stepping motor 29. The ring 26 is arranged coaxially with the rotating shaft 21, and the inner edge of the rotating ring 26 is provided with a ring gear 27, and the rotating ring 26 is connected with the sliding 24 of the first arc-shaped through groove, and is fixedly connected with the second arc-shaped through groove 25, the third step The stepping motor 29 is fixed on the first connecting rod 22 in the rotating ring, and the motor shaft of the third stepping motor 29 is provided with a second gear 30 , and the second gear 30 meshes with the ring gear 27 .

The lower end of described mounting seat 16 is also provided with first slide rail 31, and the upper end of positioning seat 16 is also provided with second slide rail 32, and the upper end of first slide seat 13, the second slide seat 14 is all provided with the first slide rail 31. The rail 31 is slidably connected to the first chute, and the lower ends of the first sliding ring 19 and the second sliding ring 20 are both provided with a second chute slidably connected to the second sliding rail 32 .

The upper end of the circular track 1 is provided with a mounting portion 33 .

As an example, the utility model slides the sliding seat 4 and the sliding groove 2 through the sliding connection, so that the sliding mechanism slides along the sliding groove 2 of the annular track 1, and is driven by the first stepping motor 7, and the first gear 8 rotates thereupon. Because the first gear is engaged with the rack part 3, the sliding mechanism slides back and forth along the sliding groove 2 of the circular track 1 under the drive of the first stepping motor 7, thereby increasing the range of motion of the camera housing 28 in the horizontal orientation ; Due to the rotation between the two first fixed plates 9 is provided with a rotating rod 10, and the two opposite threaded sections 12 of the rotating rod 10 are threaded with the first sliding seat 13 and the second sliding seat 14 respectively, through With the driving of the second stepping motor 11, the rotating rod 10 rotates thereupon, so that the first sliding seat 13 and the second sliding seat 14 which are threaded respectively on the two opposite threaded sections 12, along with the normal rotation of the rotating rod 10 Rotate or reverse to realize sliding toward or against each other. When the first sliding seat 13 and the second sliding seat 14 slide toward each other, the distance between the first sliding seat 13 and the second sliding seat 14 decreases. The two ends of the folding frame 15 are respectively hinged with the first sliding seat 13 and the second sliding seat 14, and the two ends of the lowermost folding frame 15 are respectively hinged with the first sliding ring 19 and the second sliding ring 20, so that the folding frame 15 As the first sliding seat 13 and the second sliding seat 14 slide toward each other, they will appear in an elongated state in the vertical direction. At the same time, under the action of the folding frame 15, the first sliding ring 19 and the second sliding ring 20 will also face each other. Sliding, when the distance between the first sliding seat 13 and the second sliding seat 14 increased, in the same way, the folding frame 15 would slide in the vertical direction along with the sliding of the first sliding seat 13 and the second sliding seat 14. The retracted state increases the range of movement of the camera housing 28 in the vertical direction; in addition, the inclination angle of the camera housing 28 can also be adjusted by adjusting the rotating mechanism.

Further speaking, it can also be considered in the utility model that the first connecting rod 22 and the second connecting rod 23 are respectively penetrated with a first arc-shaped through groove 24 and a second arc-shaped through groove 25, and the rotating mechanism also includes Rotating ring 26, rotating ring 26 is arranged coaxially with rotating shaft 21, and the inner edge of rotating ring 26 is provided with a ring gear 27, and rotating ring 26 is connected with the sliding of first arc-shaped slot 24, and the second arc-shaped slot 25 Fixed connection.

It should be pointed out that the third stepper motor 29 is also included, the third stepper motor 29 is fixed on the first connecting rod 22, the motor shaft of the third stepper motor 29 is provided with a second gear 30, the second gear 30 meshes with the ring gear 27.

As an example, since one end of the rotating ring 26 is fixedly connected to the second connecting rod 23 through the second arc-shaped through groove 25, and the other end is slidably connected to the first connecting rod 22 through the first arc-shaped through groove 24, the rotating ring 26 and the rotating shaft 21 is coaxially arranged so that when the rotating ring 26 rotates, the second connecting rod 23 rotates with the rotating shaft 21 as the center of the circle, and passes through the rotating ring 26 part of the second arc-shaped through groove 25 during the rotating process of the rotating ring 26 Through the second arc-shaped through groove 25, driven by the third stepper motor 29, the second gear 30 rotates thereupon, and because the second gear 30 meshes with the ring gear 27, the rotating ring 26 is stepped in the third step. Driven by the motor 29, the rotating shaft 21 is rotated as the center of a circle, thereby adjusting the inclination angle of the camera housing 28.

Further speaking, it can also be considered in the utility model that the lower end of the mounting seat 5 is also provided with a first slide rail 31 transversely, and the upper ends of the first slide seat 13 and the second slide seat 14 are all provided with the first slide rail. 31 slidingly connected first chute, the upper end of the positioning seat 16 is also horizontally provided with a second slide rail 32, and the lower ends of the first slide ring 19 and the second slide ring 20 are all provided with a first slide rail 32 slidingly connected with the second slide rail 32. Two chutes.

The first sliding seat 13 and the second sliding seat 14 are slidably connected with the first slide rail 31 respectively, so that when the second stepper motor 11 drives the rotating rod 10 to rotate, the first sliding seat 13 and the second sliding seat 14 are in the threaded position. Section 12 and the first sliding rail 31 slide stably, the first sliding rail 31 can play a positioning role for the first sliding seat 13 and the second sliding seat 14, and prevent the first sliding seat 13 and the second sliding seat 14 from The threaded section 12 rotates to improve the stability when the first sliding seat 13 and the second sliding seat 14 slide; 1. When the second sliding ring 20 slides, it plays a positioning role for the first sliding ring 19 and the second sliding ring 20, prevents the first sliding ring 19 and the second sliding ring 20 from rotating on the slide bar 18, and improves the first sliding ring. Stability when the ring 19 and the second sliding ring 20 slide.

Furthermore, it can also be considered in the present invention that the upper end of the circular track 1 is provided with a mounting portion 33 . The ring track 1 is installed on the roof, the wall or other positions through the installation part 33 .

The utility model provides a monitor bracket transmission device which extends the transmission distance and reduces the occupied space.

The above embodiments have described the utility model in detail, but the contents are only preferred embodiments of the utility model, and cannot be considered as limiting the implementation scope of the utility model. All equal changes and improvements made according to the application scope of the utility model should still belong to the scope covered by the patent of the utility model.

Claims (4)

1. a kind of monitor stand transmission device, which is characterized in that including circular orbit (1), sliding equipment, elevating mechanism and turn Motivation structure；

Circular orbit (1), bottom are equipped with the sliding groove (2) of annular, and the section of sliding groove is " T " font, vertical in sliding groove It is respectively equipped with an annular tooth-strip part (3) on the both sides inner wall of section；

The section of sliding equipment, including the sliding seat (4) and mounting base (5) that are vertically connected with, sliding seat (4) is " T " font, sliding Seat (4) matches and is slidably connected with sliding groove (2) shape, and the upper surface of mounting base (5) is arranged with two motor mounting grooves (6), the first stepper motor (7) is equipped in motor mounting groove (6), the motor shaft of the first stepper motor (7) extend into sliding groove (2) Interior and upper end is equipped with first gear (8), and two tooth-strip parts (3) are arranged respectively close to two first gears (8), and is located at sliding seat (4) first gear (8) of homonymy is meshed with tooth-strip part (3), and the opposite a pair first that is equipped in the lower face both ends of mounting base (5) is consolidated Fixed board (9), between two the first fixed plates rotation be equipped with bull stick (10), one end of bull stick (10) passes through one of the first fixation Plate (9) is connect with the electric machine shaft driving of the second stepper motor (11), and bull stick (10) is equipped with two sections of oppositely oriented thread segments, is turned The first sliding seat (13), the second sliding seat (14) are threaded on two oppositely oriented thread segments of bar (10) respectively；

Elevating mechanism is located at the lower section of sliding equipment, including at least two " X " type folding stands (15), and two adjacent foldings Frame is articulated and connected, and folding stand (15) both ends of the top are hinged with the first sliding seat (13), the second sliding seat (14) respectively, rolls over The lower section of superimposed (15) is equipped with positioning seat (16), and the upper surface both ends of positioning seat (16) are opposite to be equipped with a pair of second fixed plate (17), slide bar (18) is equipped between two the second fixed plates (17), sliding is equipped with the first slip ring (19), second on slide bar (18) Folding stand (15) both ends of slip ring (20), bottom are hinged with the first slip ring (19), the second slip ring (20) respectively；

Rotating mechanism includes first connecting rod (22), the second connecting rod (23) being hinged and connected by shaft (21), first connecting rod (22) Upper end and positioning seat (16) bottom Joint, second connecting rod (23) one end and head shell (28) phase far from shaft (21) Even.

2. monitor stand transmission device according to claim 1, which is characterized in that the first connecting rod (22), second connect It is extended through on bar (23) equipped with the first arc-shaped slot (24), the second arc-shaped slot (25), rotating mechanism further includes swivel becket (26), third stepper motor (29), swivel becket (26) are coaxially disposed with shaft (21), and the inner edge of swivel becket (26) is equipped with a circle tooth It encloses (27), swivel becket (26) is slidably connected with the first arc-shaped slot (24), is fixedly connected with the second arc-shaped slot (25), third step Stepper motor (29) is fixed on the first connecting rod in swivel becket (22), and the motor shaft of third stepper motor (29) is equipped with the second tooth It takes turns (30), second gear (30) is meshed with gear ring (27).

3. monitor stand transmission device according to claim 1, which is characterized in that the lower end of the mounting base (5) is also set There are the first sliding rail (31), the upper end of positioning seat (16) to be additionally provided with the second sliding rail (32), the first sliding seat (13), the second sliding seat (14) upper end is equipped with the first sliding groove being slidably connected with the first sliding rail (31), the first slip ring (19), the second slip ring (20) lower end is equipped with the second sliding slot being slidably connected with the second sliding rail (32).

4. monitor stand transmission device according to claim 1, which is characterized in that the upper end of the circular orbit (1) is set There is mounting portion (33).