CN212056394U - Telescoping device and stage lamp - Google Patents
Telescoping device and stage lamp Download PDFInfo
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- CN212056394U CN212056394U CN202020137377.2U CN202020137377U CN212056394U CN 212056394 U CN212056394 U CN 212056394U CN 202020137377 U CN202020137377 U CN 202020137377U CN 212056394 U CN212056394 U CN 212056394U
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Abstract
The utility model provides a telescopic device and a stage lamp, wherein the telescopic device comprises a telescopic unit and a driving mechanism; the telescopic unit comprises a transmission screw rod, a first-stage telescopic mechanism and a tail-stage telescopic mechanism; the primary telescopic mechanism comprises a primary screw rod; the tail level telescopic mechanism comprises a tail level supporting rod; the screw of the first-stage screw rod and the rod body of the tail-stage supporting rod are both hollow; the transmission screw rod is in driving connection with the driving mechanism; the screw rod of the first-stage screw rod is sleeved on the periphery of the bolt of the transmission screw rod through a nut sleeved on the transmission screw rod; the rod body of the tail-stage supporting rod is sleeved on the periphery of the bolt of the primary screw rod through a nut sleeved on the primary screw rod. The driving screw rod is driven to rotate by the driving mechanism, the screw rod of the first-stage screw rod is sleeved on the nut of the driving screw rod, the rod body of the tail-stage supporting rod is sleeved on the nut of the first-stage screw rod, and the rod body moves along the axial direction along with the rotation of the driving screw rod, so that the automatic extension and retraction of the telescopic rod are realized; and the continuous and stable extension of the screw rod is realized.
Description
Technical Field
The utility model belongs to the technical field of stage lamps and lanterns technique and specifically relates to a telescoping device and stage lamp are related to.
Background
The stage lighting is an important component of the performance space, can be changed to better render the performance atmosphere, highlight the central characters and create the spatial sense and the time sense of the performance space, is beneficial to assisting performers to be more easily blended into the performance, and is also beneficial to improving the viewing experience of audiences.
Generally, the changes of stage lighting generally include changes of lighting color, lighting position, lighting angle, and the like. These changes are typically implemented by stage lighting equipment. The existing stage lighting equipment comprises a lamp, a moving mechanism capable of driving the lamp to move so as to change the position of the lamp, and a control system for controlling the position change of the lamp through the moving mechanism. However, the moving mechanism can only drive the lamp to move on one plane, that is, the control system can only change the position of the lamp on a certain plane. Therefore, the position of the lamp cannot be changed in more dimensions by the existing stage lighting equipment.
SUMMERY OF THE UTILITY MODEL
To the problem, an object of the utility model is to provide a telescoping device and stage lamp has automatic flexible, and flexible process advantage such as even, steady.
In order to achieve the above object, the utility model adopts the following technical scheme: a telescopic device comprises a telescopic unit and a driving mechanism; the telescopic unit comprises a transmission screw rod, a first-stage telescopic mechanism and a tail-stage telescopic mechanism; the primary telescopic mechanism comprises a primary screw rod; the tail stage telescopic mechanism comprises a tail stage supporting rod; the screw of the first-stage screw rod and the rod body of the tail-stage supporting rod are both hollow; the transmission screw rod is in driving connection with the driving mechanism; the screw rod of the first-stage screw rod is sleeved on the periphery of the bolt of the transmission screw rod through a nut sleeved on the transmission screw rod; the rod body of the tail-stage supporting rod is sleeved on the periphery of the bolt of the primary screw rod through a nut sleeved on the primary screw rod.
According to the scheme, the driving screw rod is driven to rotate by the driving mechanism, the screw rod of the first-stage screw rod is sleeved on the nut of the driving screw rod, the rod body of the tail-stage supporting rod is sleeved on the nut of the first-stage screw rod, and the rod body moves along the axial direction along with the rotation of the driving screw rod, so that the automatic expansion and contraction of the telescopic rod are realized; in addition, the telescopic screw rod is telescopic according to the screw rod principle, so that the telescopic screw rod is continuous and stable.
Optionally, the end part of the extending end of the tail-stage supporting rod is provided with a mounting seat; and/or a power supply box is also arranged at the end part of the extending end of the tail-stage supporting rod. Through the arrangement of the mounting seat, the stage lamp can be mounted on the mounting seat, so that the position of the stage lamp can be changed along with the extension and retraction of the extending end of the tail-level supporting rod, and the stage lamp can move; the arrangement of the power supply box realizes power supply or signal transmission of the stage lamp at the end part of the tail-stage supporting rod, and is favorable for controlling the stage lamp.
Optionally, the device further comprises a first-stage sleeve and a last-stage sleeve; the first-stage sleeve is sleeved on the periphery of the screw rod of the first-stage screw rod; the tail sleeve is sleeved on the periphery of the rod body of the tail support rod; for any one of the transmission screw rod and the first-stage screw rod, the maximum stroke of the nut of the screw rod is the difference between the lengths of the screw rod and the nut. The function of the first-stage screw rod and the tail-stage supporting rod is prevented from being influenced by exposed abrasion due to the arrangement of the sleeve; in addition, the sliding block and even the dead block caused by the thread blocking by foreign matters can be prevented; through the arrangement of the position relation between the adjacent screw rods, the moving range of the screw rods is maximized, so that the extensible range of the telescopic rod is maximized; in addition, when the lead screw shortens, the position difference between the lead screw is minimum for the axial occupation space of lead screw is littleer.
Optionally, the telescopic unit further comprises a base and a fixed sleeve; one end of the fixed sleeve is fixed on the base, and the inner wall of the fixed sleeve is provided with a steering limiting part; the first-stage sleeve is connected with the screw rod of the first-stage screw rod through a first-stage bearing, and the outer wall of the first-stage sleeve and/or the outer wall of the first-stage bearing are/is provided with a matching part matched with the axial limiting part of the fixed sleeve; the inner wall of the first-stage sleeve is provided with a steering limiting part; the tail-stage sleeve is connected with the rod body of the tail-stage supporting rod through a tail-stage bearing, and the outer wall of the tail-stage sleeve and/or the tail-stage bearing is/are provided with a matching part matched with the steering limiting part of the first-stage sleeve; one of the steering limiting part and the matching part is a sliding groove arranged along the axial direction, and the other is a lug; and/or the tail stage supporting rod is of a screw rod structure with a hollow screw rod inside, and the tail stage sleeve is sleeved on the periphery of a nut of the tail stage supporting rod. The telescopic device is fixed on the base through the fixed sleeve, a limiting device for limiting steering is arranged among the fixed sleeve, the first-stage sleeve and the tail-stage sleeve, and the sleeves are connected to the screw rod or the support rod through the bearings, so that the sleeves do not rotate along with the rotation of the screw rod in the telescopic process; in addition, if the tail sleeve is sleeved on the nut of the tail support rod, the extension distance of the telescopic rod is increased.
Optionally, the transmission screw rod is arranged in a fixed sleeve, and a sleeve of any telescopic mechanism is accommodated in the fixed sleeve when being contracted; and/or the two ends of the sliding groove are respectively provided with a slip-off preventing piece for preventing the bump from slipping off. Through the setting of the anti-disengaging piece, prevent the mutual disengagement between the sleeve.
Optionally, the telescopic device further comprises a secondary telescopic mechanism; the secondary telescopic mechanism comprises a secondary screw rod with a hollow screw rod; the screw rod of the secondary screw rod is sleeved on the periphery of the screw rod of the primary screw rod through a nut sleeved on the primary screw rod; and the rod body of the tail-stage supporting rod is changed from the periphery of the nut sleeved on the primary screw rod to the periphery of the nut sleeved on the secondary screw rod. Through setting up here, realized can setting up the number of secondary telescopic machanism as required to enlarge the flexible scope of telescopic link, increased the range of application of telescopic link.
Optionally, the driving mechanism is connected with the transmission screw rod through a reduction gear set, and the reduction gear set comprises a driving gear, a transmission gear, a reduction gear and a driving gear which are sequentially meshed; the driving gear is connected with a driving shaft of the driving mechanism, and the driving gear is connected with a screw rod of the conveying screw rod. The rotating speed of the transmission screw rod is reduced through the arrangement of the reduction gear set, so that the stretching speed of the stretching mechanism is reduced, and the stretching process is smoother; in addition, through the sequential meshing of the driving gear, the transmission gear, the reduction gear and the driving gear, the twitching or sudden stop of the transmission screw rod caused by the starting or stopping of the driving mechanism is prevented, the buffer effect between the driving shaft of the driving mechanism and the screw rod of the transmission screw rod is achieved, and the stability of the telescopic process of the telescopic mechanism is favorably improved.
Optionally, the device further comprises a base and a control box; the base bears the driving mechanism and the telescopic unit; the control box surrounds the base and the drive mechanism. Through the arrangement of the base, the telescopic unit is more firmly installed, and the stability of the telescopic unit and the driving mechanism is favorably improved; in addition, the control box is arranged to protect the driving mechanism.
Optionally, the system further comprises a control panel and a controller; the control panel is arranged on the outer surface of the control box; the controller is arranged in the control box and is in communication connection with the control panel and the driving mechanism respectively; and/or, further comprising a wireless communication module; the wireless communication module is in communication connection with the controller; and/or the side wall of the control box is provided with heat dissipation holes and/or heat dissipation components. The controller is arranged in the control box, so that the controller is prevented from being damaged due to external collision; the control panel is arranged on the outer surface of the box body, so that the telescopic rod is more convenient to adjust; the controller and the control panel are installed in a centralized way, so that the circuit devices are convenient to maintain and overhaul; the wireless communication module is arranged, so that the remote control of the telescopic rod is realized, and the convenience of regulation and control and operation of the telescopic rod is enhanced; the heat dissipation assembly is used for dissipating heat inside the control box, so that abnormal or damaged devices caused by overhigh temperature in the control box are prevented, and circuit devices are protected.
The utility model also provides a stage lamp, which comprises a lamp, a telescopic device and a moving mechanism; the telescopic device is any one of the telescopic devices, and the lamp is arranged at the end part of the extending end of the tail-stage support rod; the telescopic device is in driving connection with the moving mechanism. The telescopic device is used for the stage lamp, so that the position change of the stage lamp in another dimension outside the moving mechanism is realized, and the changeability of the stage lamp is favorably increased.
Drawings
Fig. 1 is a schematic view of an overall structure of a telescopic device of the present invention;
FIG. 2 is an exploded view of the telescopic unit of the present invention;
fig. 3 is a schematic structural view of a stage light fixture according to the present invention;
in the figure: 1-a telescopic unit; 11-a transmission screw rod; 12-a fixed sleeve; 13-a coupler; 2-a first-stage telescoping mechanism; 21-first stage screw rod; 22-first stage sleeve; 23-primary bearing; 3-tail stage telescoping mechanism; 31-a tail strut; 32-an end stage sleeve; 33-end stage bearings; 4-a secondary telescoping mechanism; 41-secondary screw rod; 42-a secondary sleeve; 43-a secondary bearing; 5-a control box; 51-a control panel; 52-a drive mechanism; 53-reduction gear set; 54-a base; 6-a lamp; 61-a mounting seat; 62-Power pack.
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described below with reference to fig. 1-3 are exemplary and intended to explain the present invention. In addition, in the description of the present invention, the terms "top", "bottom", "inner", "outer", "horizontal", "vertical", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is merely for convenience of description and thus should not be construed as limiting the present invention.
Referring to fig. 1, a telescopic device includes a telescopic unit 1 and a driving mechanism 52; the telescopic unit 1 comprises a transmission screw rod 11, a first-stage telescopic mechanism 2 and a tail-stage telescopic mechanism 3; the primary telescopic mechanism 2 comprises a primary screw rod 21; the tail telescopic mechanism 3 comprises a tail support rod 31; the screw of the first-stage screw rod 21 and the rod body of the tail-stage supporting rod 31 are both hollow; the transmission screw rod 11 is in driving connection with the driving mechanism 52; the screw of the first-stage screw rod 21 is sleeved on the periphery of the bolt of the transmission screw rod 11 through a nut sleeved on the transmission screw rod 11; the tail support rod 31 is sleeved on the periphery of the bolt of the primary screw rod 21 through a nut sleeved on the primary screw rod 21.
The driving mechanism 52 drives the transmission screw rod 11 to rotate, and the nut of the transmission screw rod 11 rotates and moves axially at the same time, so that the screw rod of the primary screw rod 21 is driven to rotate and move axially at the same time, namely, the primary screw rod 21 extends or retracts relative to the transmission screw rod 11; the screw of the first-stage screw 21 rotates to drive the nut thereof to rotate and move axially, and the tail-stage supporting rod 31 rotates along with the nut of the first-stage screw 21 and moves axially at the same time, namely the tail-stage supporting rod 31 extends or retracts relative to the first-stage screw 21. The driving screw rod 11 is driven to rotate by the driving mechanism 52, so that the first-stage screw rod 21 and the tail-stage supporting rod 31 are driven to axially move, and the automatic extension and retraction of the extension unit 1 are realized; through the connection setting of lead screw for the flexible process frictional resistance of flexible unit 1 is littleer, thereby prevents the card between the telescopic machanism and pause, is favorable to flexible process more continuous, steady of flexible unit 1.
Based on the telescopic device, the utility model also provides a stage lamp, as shown in fig. 3, comprising a lamp 6, a telescopic device and a moving mechanism, wherein the telescopic device is in driving connection with the moving mechanism; based on this, the lamp 6 is mounted on the end of the protruding end of the tail pole 31.
Through installing lamps and lanterns 6 in the end portion that stretches out of tail branch 31, lamps and lanterns 6 can take place position change along with the flexible of telescopic link, realize the position control to lamps and lanterns 6, realize that the stage lamp can take place the position change on two dimensions under moving mechanism and telescoping device's effect, increase the variability of stage lamp, have wider application range.
In an embodiment, the end of the extending end of the tail supporting rod 31 is provided with a mounting seat 61, and the mounting seat 61 is provided with a locking structure cooperatively connected with the bottom end of the lamp for stably mounting the lamp 6.
In an embodiment, a power supply box 62 is further disposed at the end of the extending end of the tail pole 31, the power supply box 62 is electrically connected to a power supply of the device, and the power supply box 62 is used for providing power and signals such as DMX512, so as to supply power to the lamp 6 mounted at the end of the extending end of the tail pole 31 and output a control signal.
In order to prevent the first stage screw rod 21 and the last stage strut 31 from being damaged or polluted by the exposed part, in an embodiment, the telescopic unit 1 further comprises a first stage sleeve 22 and a last stage sleeve 32, as shown in fig. 2; the primary sleeve 22 is sleeved on the periphery of the screw rod of the primary screw rod 21; the tail sleeve 32 is sleeved on the periphery of the tail support rod 31; based on this, the lamp 6 is mounted at the protruding end of the end socket 32. The sleeve is sleeved to prevent the first-stage screw rod 21 and the tail-stage support rod 31 from being exposed and worn to influence the expansion and contraction; and is also favorable for preventing foreign matters from blocking the threads to cause blocking and even deadlocking.
In order to prevent the sleeve from rotating with the screw rod, the telescopic unit 1 further includes a base 54 and a fixed sleeve 12, as shown in fig. 1; one end of the fixing sleeve 12 is fixed to the base 54, and the inner wall thereof is provided with a rotation limiting portion. The first-stage sleeve 22 is connected with the screw rod of the first-stage screw rod 21 through a first-stage bearing 23, and a matching portion matched with the axial limiting portion of the fixing sleeve 12 is arranged on the outer wall of the first-stage bearing 23 and/or the outer wall of the first-stage sleeve 22.
In the embodiment where only the outer wall of the primary bearing 23 is provided with the fitting portion or the outer walls of the primary bearing 23 and the primary sleeve 22 are both provided with the fitting portions, the outer diameter of one end of the primary bearing 23 is larger than the outer diameter of the primary sleeve 22 and smaller than the inner diameter of the fixed sleeve 12, and the outer diameter of the other end is smaller than or equal to the inner diameter of the primary sleeve 22; the first-stage sleeve 22 is sleeved at the end with the smaller outer diameter of the first-stage bearing 23, and a matching portion matched with the steering limiting portion of the fixing sleeve 12 is arranged on the periphery of the end with the larger outer diameter of the first-stage bearing 23. Based on this, when the screw of the driving screw 11 drives the nut thereof to rotate and drives the screw of the first stage screw 21 to rotate, the first stage sleeve 22 has a linear motion along the axial direction relative to the fixed sleeve 12, and does not rotate.
In the embodiment where only the outer wall of the primary sleeve 22 is provided with the mating portion, the outer diameter of the primary bearing 23 is smaller than the inner diameter of the stationary sleeve 12; the outer wall of the primary sleeve 22 is matched with the steering limiting part of the fixed sleeve 12, and on the basis, when the screw of the transmission screw rod 11 drives the nut to rotate and drives the screw of the primary screw rod 21 to rotate, the primary sleeve 22 moves linearly along the axial direction relative to the fixed sleeve 12 and does not rotate.
In one embodiment, the inner wall of the primary sleeve 22 is provided with a steering limiting portion; the tail sleeve 32 is connected with the tail strut 31 through a tail bearing 33, and the outer wall of the tail sleeve 32 and/or the tail bearing 33 is provided with a matching part matched with the steering limiting part of the first sleeve 22. The connection relationship between the final sleeve 32 and the final bearing 33 and the final sleeve 22 is the same as the connection relationship between the final sleeve 22 and the final bearing 23 and the fixed sleeve 12, and the description thereof is omitted.
In one embodiment, one of the steering limiting part and the matching part is a sliding groove arranged along the axial direction, and the other is a bump. Based on this, the both ends of spout and/or slider are provided with the anticreep piece to prevent to turn to spacing portion and cooperation portion and break away from each other, promptly, prevent that two adjacent sleeve are flexible in-process and break away from each other.
In one embodiment, the tail stage supporting rod 31 is a screw rod structure with a hollow screw rod inside, and the tail stage sleeve 32 is sleeved on the periphery of the nut of the tail stage supporting rod 31. Therefore, when the tail pole 31 rotates, the tail sleeve 32 moves along with the movement of the nut of the tail pole 31, and the extension length of the telescopic rod is increased.
In one embodiment, the driving screw 11 is disposed in a fixed sleeve 12, and the sleeve of any telescoping mechanism is received in the fixed sleeve 12 when retracted.
In one embodiment, in order to increase the stability of the rotation of the transmission screw 11, a coupler 13 is further included, and the transmission screw 11 is connected with the driving mechanism 52 through the coupler 13; the periphery of the coupler 13 is provided with a matching portion which is matched and connected with the steering limiting piece of the fixing sleeve 12, and the fixing sleeve 12 is sleeved on the periphery of the coupler 13 and the transmission screw rod 11.
In one embodiment, for either of the drive screw 11 and the primary screw 21, the maximum travel of the nut of the screw is the difference in the length of the screw and the nut. Therefore, the moving range of the first-stage screw rod 21 sleeved on the nut of the transmission screw rod 11 is larger, namely when the screw rod of the first-stage screw rod 21 extends out relative to the screw rod of the transmission screw rod 11, the maximum total length of the first-stage screw rod and the screw rod can reach a larger value; when the screw of the first-stage screw rod 21 is retracted relative to the screw of the transmission screw rod 11, the position difference between the two can reach a smaller value, namely, the occupied space is smaller during contraction. Similarly, the movement range of the tail support rod 31 sleeved on the nut of the first-stage screw rod 21 is larger, that is, when the tail support rod 31 extends out relatively to the screw rod of the first-stage screw rod 21, the maximum total length of the tail support rod 31 and the screw rod can reach a larger value; when the rod body of the tail-stage supporting rod 31 is retracted relative to the screw rod of the first-stage screw rod 21, the position difference between the two can reach a smaller value, namely, the occupied space is smaller during contraction.
In order to increase the extendable length of the telescopic rod, in one embodiment, the telescopic device further comprises a secondary telescopic mechanism 4; the secondary telescoping mechanism 4 comprises a secondary screw rod 41 with a hollow screw rod; the screw of the secondary screw rod 41 is sleeved on the periphery of the screw of the primary screw rod 21 through a nut sleeved on the primary screw rod 21; the rod body of the tail support rod 31 is changed from the nut periphery sleeved on the primary screw rod 21 to the nut periphery sleeved on the secondary screw rod 41. The number of the telescopic mechanisms is increased, and the maximum telescopic length of the telescopic rod is increased. Based on this, when the driving mechanism 52 drives the rotating shaft of the transmission screw rod 11 to rotate, the screw rod of the primary screw rod 21, the screw rod of the secondary screw rod 41 and the tail stage strut 31 are driven by the respective sleeved nuts to extend or retract, and therefore, the primary telescoping mechanism 2, the secondary telescoping mechanism 4 and the tail stage telescoping mechanism 3 axially displace, and extension or recovery of the telescopic rod is achieved.
In one embodiment, one or more secondary telescoping mechanisms 4 may be provided as desired.
In one embodiment, the secondary telescoping mechanism 4 further comprises a secondary sleeve 42 and a secondary bearing 43, the secondary sleeve 42 is arranged on the same principle as the primary sleeve 22; the secondary bearing 43 is arranged on the same principle as the primary bearing 23.
In order to enhance the stability of the telescopic mechanism in the telescopic process, in an embodiment, the driving mechanism 52 is connected with the transmission screw rod 11 through a reduction gear set 53, and the reduction gear set 53 comprises a driving gear, a transmission gear, a reduction gear and a driving gear which are meshed in sequence; the drive gear is connected to the drive shaft of the drive mechanism 52 and the drive gear is connected to the screw of the transfer screw. The rotating speed of the transmission screw rod 11 is reduced through the arrangement of the reduction gear set 53, so that the stretching speed of the stretching mechanism is reduced, and the stretching process is smoother; in addition, through the sequential meshing of the driving gear, the transmission gear, the reduction gear and the driving gear, the twitching or sudden stop of the transmission screw rod 11 caused when the driving mechanism 52 is started or stopped is prevented, the buffer effect between the driving shaft of the driving mechanism 52 and the screw rod of the transmission screw rod 11 is achieved, and the stability of the telescopic process of the telescopic mechanism is favorably improved.
In one embodiment, the reduction gear set 53 is mounted on the base 54; the base 54 carries the drive mechanism 52, the reduction gear set 53, and the telescopic unit 1.
In order to protect the circuit device, in an embodiment, the telescopic device further comprises a control box 5; the control box 5 surrounds the base 54, the drive mechanism 52, and the reduction gear group 53. The circuit device is prevented from being damaged due to collision or exposed to cause electric leakage.
In an embodiment, the telescopic device further comprises a control panel 51 and a controller, wherein the control panel 51 is arranged on the outer surface of the control box 5; the controller is disposed in the control box 5 and is in communication connection with the control panel 51, the driving mechanism 52 and the power supply box 62, respectively. Therefore, the controller can be controlled by inputting a control command on the control panel 51 to control the working state of the telescopic rod, and the operation is convenient; moreover, the controller is arranged in the control box 5, so that the purpose of protecting the controller is achieved; in addition, the controller and control panel 51 are installed in a centralized manner, which facilitates maintenance and repair of circuit devices.
In one embodiment, the telescopic device further comprises a wireless communication module, and the wireless communication module is in communication connection with the controller. Through the setting of wireless signal module for telescopic machanism can realize remote control, convenient regulation, practicality are strong.
In one embodiment, the side wall of the control box 5 is provided with heat dissipation holes.
In an embodiment, the control box 5 is provided with a heat dissipation assembly for dissipating heat generated by the circuit devices in the control box 5, so as to prevent performance from being affected by over-high temperature and even dangerous events from being caused.
In one embodiment, a safety tube is further disposed in the control box 5 to prevent the device from being damaged due to excessive current or voltage of the line.
It should be noted that various technical features in the above embodiments can be arbitrarily combined, as long as there is no conflict or contradiction between the combinations of the features, but the combination is limited by space and is not described one by one.
The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.
Claims (10)
1. A telescopic device, characterized in that: comprises a telescopic unit and a driving mechanism;
the telescopic unit comprises a transmission screw rod, a first-stage telescopic mechanism and a tail-stage telescopic mechanism; the primary telescopic mechanism comprises a primary screw rod; the tail stage telescopic mechanism comprises a tail stage supporting rod; the screw of the first-stage screw rod and the rod body of the tail-stage supporting rod are both hollow; the transmission screw rod is in driving connection with the driving mechanism; the screw rod of the first-stage screw rod is sleeved on the periphery of the bolt of the transmission screw rod through a nut sleeved on the transmission screw rod; the rod body of the tail-stage supporting rod is sleeved on the periphery of the bolt of the primary screw rod through a nut sleeved on the primary screw rod.
2. The telescopic device according to claim 1, wherein: the end part of the extending end of the tail-stage supporting rod is provided with a mounting seat; and/or a power supply box is also arranged at the end part of the extending end of the tail-stage supporting rod.
3. The telescopic device according to claim 1, wherein: the device also comprises a first-stage sleeve and a tail-stage sleeve; the first-stage sleeve is sleeved on the periphery of the screw rod of the first-stage screw rod; the tail sleeve is sleeved on the periphery of the rod body of the tail support rod; and/or, for any screw rod in the transmission screw rod and the first-stage screw rod, the maximum stroke of the nut of the screw rod is the difference between the lengths of the screw rod and the nut.
4. The telescopic device according to claim 3, wherein: the telescopic unit further comprises a base and a fixed sleeve; one end of the fixed sleeve is fixed on the base, and the inner wall of the fixed sleeve is provided with a steering limiting part; the first-stage sleeve is connected with the screw rod of the first-stage screw rod through a first-stage bearing, and the outer wall of the first-stage sleeve and/or the outer wall of the first-stage bearing are/is provided with a matching part matched with the axial limiting part of the fixed sleeve; the inner wall of the first-stage sleeve is provided with a steering limiting part; the tail-stage sleeve is connected with the rod body of the tail-stage supporting rod through a tail-stage bearing, and the outer wall of the tail-stage sleeve and/or the tail-stage bearing is/are provided with a matching part matched with the steering limiting part of the first-stage sleeve; one of the steering limiting part and the matching part is a sliding groove arranged along the axial direction, and the other is a lug; and/or
The tail-stage supporting rod is of a screw rod structure with a hollow screw rod inside, and the tail-stage sleeve is sleeved on the periphery of a nut of the tail-stage supporting rod.
5. The telescopic device according to claim 4, wherein: the transmission screw rod is arranged in the fixed sleeve, and the sleeve of any telescopic mechanism is accommodated in the fixed sleeve when being contracted; and/or the two ends of the sliding groove are respectively provided with a slip-off preventing piece for preventing the bump from slipping off.
6. The telescopic device according to claim 1, wherein: the telescopic device also comprises a secondary telescopic mechanism; the secondary telescopic mechanism comprises a secondary screw rod with a hollow screw rod; the screw rod of the secondary screw rod is sleeved on the periphery of the screw rod of the primary screw rod through a nut sleeved on the primary screw rod; and the rod body of the tail-stage supporting rod is changed from the periphery of the nut sleeved on the primary screw rod to the periphery of the nut sleeved on the secondary screw rod.
7. The telescopic device according to claim 1, wherein: the driving mechanism is connected with the transmission screw rod through a reduction gear set, and the reduction gear set comprises a driving gear, a transmission gear, a reduction gear and a driving gear which are meshed in sequence; the driving gear is connected with a driving shaft of the driving mechanism, and the driving gear is connected with a screw rod of the conveying screw rod.
8. The telescopic device according to claim 1, wherein: the device also comprises a base and a control box; the base bears the driving mechanism and the telescopic unit; the control box surrounds the base and the drive mechanism.
9. The telescopic device according to claim 8, wherein: the device also comprises a control panel and a controller; the control panel is arranged on the outer surface of the control box; the controller is arranged in the control box and is in communication connection with the control panel and the driving mechanism respectively; and/or, further comprising a wireless communication module; the wireless communication module is in communication connection with the controller; and/or the side wall of the control box is provided with heat dissipation holes and/or heat dissipation components.
10. A stage lamp is characterized by comprising a lamp, a telescopic device and a moving mechanism; the telescopic device is as claimed in any one of claims 1 to 9, and the lamp is mounted at the end part of the extending end of the tail stage supporting rod; the telescopic device is in driving connection with the moving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020137377.2U CN212056394U (en) | 2020-01-19 | 2020-01-19 | Telescoping device and stage lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020137377.2U CN212056394U (en) | 2020-01-19 | 2020-01-19 | Telescoping device and stage lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212056394U true CN212056394U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020137377.2U Active CN212056394U (en) | 2020-01-19 | 2020-01-19 | Telescoping device and stage lamp |
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| CN (1) | CN212056394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108035A (en) * | 2021-04-22 | 2021-07-13 | 重庆实唯信息技术有限公司 | Multi-stage telescopic mechanism |
-
2020
- 2020-01-19 CN CN202020137377.2U patent/CN212056394U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108035A (en) * | 2021-04-22 | 2021-07-13 | 重庆实唯信息技术有限公司 | Multi-stage telescopic mechanism |
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