CN112804409A

CN112804409A - Telescopic mechanism and high-speed shooting device

Info

Publication number: CN112804409A
Application number: CN202110109998.9A
Authority: CN
Inventors: 李水霞; 蒋壮; 係建庭; 孙志强; 刘建英
Original assignee: GRG Banking Equipment Co Ltd
Current assignee: GRG Banking Equipment Co Ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-05-14

Abstract

The invention relates to a high-speed racket device and a telescopic mechanism. The base assembly comprises a base, a driving piece fixed on the base and a first synchronous belt module in driving connection with the driving piece. The first-stage transmission module comprises a first support and a second synchronous belt module movably arranged on the first support, the first support is connected with the first synchronous belt module, the second synchronous belt module comprises a first side and a second side opposite to the moving direction, the first side is connected with the base through a second-stage transmission module, the second-stage transmission module comprises a second support, and the second support is connected with the second side. The telescopic mechanism realizes longer telescopic distance in a limited space, effectively improves the space utilization rate and reduces the whole size of the telescopic mechanism.

Description

Telescopic mechanism and high-speed shooting device

Technical Field

The invention relates to the technical field of self-service equipment, in particular to a telescopic mechanism and a high-speed shooting device.

Background

With the increase of manpower cost, self-service equipment is also more and more popular, and the development direction of self-service equipment also tends to be intelligent, lightweight and multifunctional. The high-speed scanner has high-speed scanning and OCR character recognition functions, and can recognize and convert scanned pictures into editable word documents. The high-speed shooting instrument can also be used for operations such as shooting, video recording, copying, network paperless faxing and electronic book making, and is widely applied to self-service equipment.

Inside traditional high appearance of clapping was arranged self-service equipment as independent module in mostly, was the concertina movement through the high appearance of clapping of telescopic machanism drive, nevertheless self-service equipment inner space is limited, and traditional telescopic machanism space utilization is low, can't satisfy the development demand that self-service equipment is light.

Disclosure of Invention

Accordingly, there is a need to provide a telescopic mechanism and a high-speed image capturing device for improving space utilization.

One aspect of the present application provides a telescopic mechanism, including:

the base assembly comprises a base, a driving piece fixed on the base and a first synchronous belt module in driving connection with the driving piece;

one-level transmission module, one-level transmission module includes first support and sets up second synchronous belt module on the first support, first support with first synchronous belt module is connected, second synchronous belt module includes opposite first side of direction of motion and second side, first side with the base is connected

The secondary transmission module comprises a second support, and the second support is connected with the second side.

In one embodiment, the first synchronous belt module comprises a first synchronous wheel, a second synchronous wheel and a first synchronous belt, wherein the first synchronous wheel is rotatably arranged on the base and is in driving connection with the driving part, the second synchronous wheel is rotatably arranged on the base and is spaced from the first synchronous wheel, the first synchronous belt is sleeved on the first synchronous wheel and the second synchronous wheel, the first bracket is provided with a first clamping piece, and the first clamping piece is connected with the first synchronous belt; and/or the presence of a gas in the gas,

the second synchronous belt module comprises a third synchronous wheel, a fourth synchronous wheel and a second synchronous belt, wherein the third synchronous wheel is rotatably arranged on the first support, the fourth synchronous wheel is rotatably arranged on the first support and is spaced from the third synchronous wheel, the second synchronous belt is sleeved on the third synchronous wheel and the fourth synchronous wheel, the first side and the second side are respectively opposite two sides of the second synchronous belt, the base is provided with a second clamping piece, the second clamping piece is connected with the first side, the second support is provided with a third clamping piece, and the third clamping piece is connected with the second side.

In one embodiment, the telescopic mechanism comprises an initial state and an extended state, in the initial state, the base is connected with one end, close to the extending direction of the telescopic mechanism, of the first side, and the second support is connected with one end, far away from the extending direction of the telescopic mechanism, of the second side.

In one embodiment, the first bracket is slidably sleeved outside the second bracket, and the base is slidably sleeved outside the first bracket.

In one embodiment, a first roller set is arranged on one side of the second bracket, a second roller set is arranged on the other side of the second bracket, the axial direction of the first roller set is perpendicular to the axial direction of the second roller set, a first sliding groove is formed in the bottom wall of the first bracket, and the first roller set is rollably arranged in the first sliding groove in a penetrating manner; the side wall of the first support is provided with a second sliding groove, and the second roller group can be arranged in the second sliding groove in a rolling mode.

In one embodiment, the base is provided with a guide shaft extending along the telescopic direction of the telescopic mechanism, and the first bracket is provided with a sliding part which is slidably sleeved on the guide shaft; or the first support is provided with a guide shaft extending along the telescopic direction of the telescopic mechanism, the base is provided with a sliding part, and the sliding part is slidably sleeved on the guide shaft.

In one embodiment, the telescoping mechanism further comprises an inner cover and an outer cover, the inner cover is connected with the first bracket, the outer cover is slidably sleeved outside the inner cover, and the outer cover is connected with the second bracket.

In one embodiment, at least one side of the outer cover is provided with a third roller group, at least one side of the inner cover is provided with a third sliding groove, and the third roller group is arranged in the sliding groove in a rolling manner; or at least one side of the inner cover is provided with a third roller group, at least one side of the outer cover is provided with a third sliding groove, and the third roller group can be arranged in the sliding groove in a rolling manner.

In one embodiment, a high-speed shooting instrument is arranged on the outer cover, and/or a light supplement lamp is arranged on the second support; and/or the outer cover is provided with a control key.

This application on the other hand still provides a device is clapped to height, including high appearance and foretell telescopic machanism of clapping, high appearance setting of clapping is in on telescopic machanism's the secondary drive module.

The telescopic mechanism and the high-speed shooting device comprising the telescopic mechanism drive the first synchronous belt module to move through the driving piece, the first synchronous belt module drives the first-stage transmission module to move, the first side of the second synchronous belt module which enables the first-stage transmission module is connected with the base, the second side of the second synchronous belt module is connected with the second-stage transmission module, the moving direction of the first side is opposite to the moving direction of the second side, when the first-stage transmission module moves for a certain distance relative to the base, the second-stage transmission module can move for double strokes relative to the base, and therefore in a limited space, a longer telescopic distance is achieved, the space utilization rate is effectively improved, and the overall size of the telescopic mechanism is reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a telescoping mechanism according to an embodiment;

FIG. 2 is a schematic structural view of a base assembly of the telescoping mechanism shown in FIG. 1;

FIG. 3 is a schematic structural diagram of a primary transmission module of the telescoping mechanism shown in FIG. 1;

FIG. 4 is a schematic diagram of a two-stage transmission module of the telescoping mechanism shown in FIG. 1;

FIG. 5 is a schematic structural view of an outer cover of the telescoping mechanism shown in FIG. 1;

fig. 6 is a bottom view of a telescoping mechanism of an embodiment.

Description of reference numerals:

10. a base assembly; 11. a base; 12. a first synchronous belt module; 121. a first synchronizing wheel; 122. a second synchronizing wheel; 123. a first synchronization belt; 13. a guide shaft; 14. a drive member; 15. a second clamping member; 20. a primary transmission module; 21. a first bracket; 22. a second synchronous belt module; 221. a third synchronizing wheel; 222. a fourth synchronizing wheel; 223. a second synchronous belt; 23. a slider; 241. a first chute; 242. a second chute; 25. a first clamping member; 26. an avoidance groove; 30. a secondary transmission module; 31. a second bracket; 321. a first roller train; 322. a second roller set; 33. a third clamping member; 34. a light supplement lamp; 41. an inner cover; 411. a third chute; 42. an outer cover; 421. a third roller set; 422. a high shooting instrument; 423. and controlling the keys.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Specifically, the present application provides, in one aspect, a telescopic mechanism that can be applied to a high-speed scanner of an automatic device, and is used for driving the high-speed scanner to extend out of or retract into the self-service device. Referring to fig. 1-5, fig. 1 illustrates an exploded structure of a telescoping mechanism according to an embodiment of the present invention, and as shown, the telescoping mechanism according to an embodiment includes a base assembly 10, a primary transmission module 20, and a secondary transmission module 30. Further, the base assembly 10 includes a base 11, a driving member 14 fixed to the base 11, and a first timing belt module 12 drivingly connected to the driving member 14. The primary transmission module 20 comprises a first bracket 21 and a second synchronous belt module 22 movably arranged on the first bracket 21, the first bracket 21 is connected with the first synchronous belt module 12, the second synchronous belt module 22 comprises a first side and a second side which have opposite movement directions, and the first side is connected with the base 11. The secondary transmission module 30, the secondary transmission module 30 includes a second bracket 31, and the second bracket 31 is connected with the second side.

Specifically, referring to fig. 6, since the base 11 is connected to the first side of the second timing belt module 22, the secondary transmission module 30 is connected to the second side of the second timing belt module 22, and the moving direction of the first side is opposite to the moving direction of the second side, when the driving member 14 drives the first timing belt module 12 to move such that the first transmission module fixed to the first timing belt module 12 moves a distance S relative to the base 11, the connection point of the base 11 and the first side of the second timing belt module 22 moves the distance S in the opposite direction relative to the primary transmission module 20, the secondary transmission module 30 connected to the second side of the second timing belt module 22 also moves the distance S relative to the primary transmission module 20, and the moving direction of the secondary transmission module 30 relative to the base 11 is the same as the moving direction of the primary transmission module 20 relative to the base 11, so that the secondary transmission module 30 moves 2S relative to the base 11, i.e. in a limited space and time, the secondary transmission module 30 achieves a double stroke movement.

The telescopic mechanism drives the first synchronous belt module 12 to move through the driving part 14, the first synchronous belt module 12 drives the first-stage transmission module 20 to move, the first side of the second synchronous belt module 22 of the first-stage transmission module 20 is connected with the base 11, the second side of the second synchronous belt module 22 is connected with the second-stage transmission module 30, the moving direction of the first side is opposite to the moving direction of the second side, so that when the first-stage transmission module 20 moves for a certain distance relative to the base 11, the second-stage transmission module 30 can move for double strokes relative to the base 11, longer telescopic distance is achieved in a limited space, the space utilization rate is effectively improved, and the overall size of the telescopic mechanism is reduced.

Further, referring to fig. 2, the first timing belt module 12 includes a first timing wheel 121, a second timing wheel 122 and a first timing belt 123, wherein the first timing wheel 121 is rotatably disposed on the base 11 and is drivingly connected to the driving member 14. The second synchronizing wheel 122 is rotatably disposed on the base 11 and spaced apart from the first synchronizing wheel 121, and the first synchronizing belt 123 is disposed on the first synchronizing wheel 121 and the second synchronizing wheel 122. Preferably, the telescopic mechanism of an embodiment further includes a first transmission gear and a second transmission gear, the first transmission gear is connected to the output shaft of the driving member 14, the second transmission gear is meshed with the first transmission gear, and the second transmission gear is coaxially connected to the first synchronizing wheel 121, so that the driving member 14 drives the first transmission gear to drive the second transmission gear and the first synchronizing wheel 121 to rotate, thereby realizing the movement of the first synchronizing belt 123, and preferably, the driving member 14 is a motor. Further, the first bracket 21 is provided with a first clamping member 25, and the first clamping member 25 is connected with the first synchronous belt 123; preferably, the first clamping member 25 is a timing belt clamp, and the first timing belt 123 drives the primary transmission module 20 to move by clamping the first timing belt 123 through the timing belt clamp.

With continued reference to fig. 2, the base 11 is slidably disposed over the first bracket 21. Preferably, the first bracket 21 is provided with an avoiding groove 26 facing the first synchronous belt 123, and the first clamping member 25 passes through the first avoiding groove 26 to be connected with the first synchronous belt 123.

Further, the base 11 is provided with a guide shaft 13 extending along the telescopic direction of the telescopic mechanism, the first bracket 21 is provided with a sliding part 23, and the sliding part 23 is slidably sleeved on the guide shaft 13. Preferably, at least two guide shafts 13 are provided, the at least two guide shafts 13 are respectively provided at both sides of the first synchronous belt module 12, the first bracket 21 is provided with at least two sliding members 23, and the sliding members 23 are connected with the guide shafts 13 in a one-to-one correspondence manner. For example, in the present embodiment, two sides of the first synchronous belt module 12 are respectively provided with one guide shaft 13, the first bracket 21 is provided with two sliding parts 23, preferably, the sliding parts 23 can be linear bearings or shaft sleeves, and the two sliding parts 23 are sleeved on the guide shafts 13 in a one-to-one correspondence manner, so that the movement stability of the primary transmission module 20 is improved. It should be noted that, in another embodiment, the guiding shaft 13 may also be disposed on the first bracket 21, and the sliding member 23 may be disposed on the base 11, so as to guide the movement of the first bracket 21, which is not described herein.

Referring to fig. 3, the second timing belt module 22 includes a third timing wheel 221, a fourth timing wheel 222 and a second timing belt 223, wherein the third timing wheel 221 is rotatably disposed on the first bracket 21, the fourth timing wheel 222 is rotatably disposed on the first bracket 21 and spaced from the third timing wheel 221, and the second timing belt 223 is disposed on the third timing wheel 221 and the fourth timing wheel 222. Specifically, the first side and the second side of the second timing belt module 22 are opposite sides of the second timing belt 223, respectively, for example, the first side is the outer side of the second timing belt 223, the second side is the inner side of the second timing belt 223, and when the second timing belt 223 moves, the moving direction of the inner side and the outer side of the second timing belt 223 is opposite, that is, the moving direction of the first side and the second side is opposite. Further, the base 11 is equipped with the second holder 15, the second holder 15 is connected with first side, the second support 31 is equipped with the third holder 33, the third holder 33 is connected with the second side, thereby when the first synchronous belt 123 module drives the primary drive module 20 and stretches out forward, can drive the motion of second synchronous belt 223, and then make base 11 and second support 31 can move equal distance towards opposite direction respectively relative to first support 21, finally realize that secondary drive module 30 moves double distance relative to base 11. Preferably, the second and

third clamping members

15 and 33 are all timing belt clamps.

Further, the telescopic mechanism comprises an initial state and an extended state, and in the initial state, the base 11 is connected with one end of the first side close to the extending direction of the telescopic mechanism, and the second support 31 is connected with one end of the second side far away from the extending direction of the telescopic mechanism. That is, the second clamping member 15 is disposed at one end of the base 11 close to the extending direction of the telescopic mechanism, and the third clamping member 33 is disposed at one end of the second bracket 31 far from the extending direction of the telescopic mechanism, so as to increase the maximum telescopic distance of the telescopic mechanism.

Further, referring to fig. 3-4, the first bracket 21 is slidably disposed over the second bracket 31. Specifically, one side of the second bracket 31 is provided with a first roller set 321, the other side of the second bracket 31 is provided with a second roller set 322, an axial direction of the first roller set 321 is perpendicular to an axial direction of the second roller set 322, for example, if a telescopic direction of the telescopic mechanism is an X-axis direction, the axial direction of the first roller 321 is a Z-axis direction, and the axial direction of the second roller 322 is a Y-axis direction. Further, the bottom wall of the first support 21 is provided with a first sliding groove 241, and the first roller set 321 can be rollably arranged in the first sliding groove 241 in a penetrating manner, so that the motion stability of the second support 31 is improved and the left and right swinging of the second-stage transmission module 30 relative to the first-stage transmission module 20 can be limited at the same time through the cooperation of the first roller 321 and the first sliding groove 241. Further, the side wall of the first bracket 21 is provided with a second sliding chute 242, and the second roller 322 is rollably disposed in the second sliding chute 242, so that the second roller 322 is matched with the second sliding chute 242, and the up-and-down floating of the secondary transmission module 30 relative to the primary transmission module 20 can be limited while the motion stability of the second bracket 31 is improved. The first roller set 321 and the second roller set 322 which are axially perpendicular are respectively arranged on two sides of the second support 31, so that the left-right swinging and up-down floating of the secondary transmission module 30 can be limited, and the motion stability of the secondary transmission module 30 is greatly improved.

Referring to fig. 1, the telescoping mechanism further includes an inner cover 41 and an outer cover 42, the inner cover 41 is connected to the first bracket 21, the outer cover 42 is slidably sleeved outside the inner cover 41, and the outer cover 42 is connected to the second bracket 31. Preferably, the front end of the outer cover 42 is fixedly connected with the front end of the second bracket 31. The outer cover 42 and the inner cover 41 can not only isolate water vapor and dust, protect the internal parts of the telescopic mechanism, but also beautify the appearance of the telescopic mechanism.

Further, referring to fig. 1 and 5, at least one side of the outer cover 42 is provided with a third roller set 421, at least one side of the inner cover 41 is provided with a third sliding slot 411, and the third roller set 421 is rollably disposed in the sliding slot, for example, in the present application, two sides of the outer cover 42, which are both provided with the third roller set 421, are both provided with the third sliding slot 411, and the third roller set 421 is rollably disposed in the sliding slot, so as to improve the stability of the relative sliding between the inner cover 41 and the outer cover 42. It should be noted that, in another embodiment, a third roller set 421 may also be disposed on at least one side of the outer cover 42, and correspondingly, at least one side of the inner cover 41 may also be provided with a third sliding slot 411, in which the third roller 421 is rollably disposed.

Further, referring to fig. 1 to 6, in another aspect of the present application, a high-speed shooting device is further provided, which includes a high-speed shooting instrument 422 and the telescopic mechanism of any of the above embodiments, wherein the high-speed shooting instrument 422 is disposed on a secondary transmission module of the telescopic mechanism. Preferably, the high-speed scanner 422 is disposed on the outer cover 42, such that the high-speed scanner 422 can be driven to extend or retract by the telescoping mechanism. Be equipped with light filling lamp 34 on enclosing cover 42 or the second support 31, light filling lamp 34 is used for increasing daylighting for high appearance 422 of shooing, guarantees the quality of the picture that high appearance 422 of shooing shot. The outer cover 42 is provided with control buttons. The control keys are electrically connected with the light supplement lamp 34 and the high-speed shooting instrument 422 and used for turning on and off the light supplement lamp or adjusting the light intensity of the light supplement lamp 34.

According to the high-speed shooting device, the high-speed shooting instrument 422 is arranged on the telescopic mechanism, the telescopic mechanism drives the first synchronous belt module 12 to move through the driving piece 14, the first synchronous belt module 12 drives the first-stage transmission module 20 to move, the first side of the second synchronous belt module 22 of the first-stage transmission module 20 is connected with the base 11, the second side of the second synchronous belt module 22 is connected with the second-stage transmission module 30, the moving direction of the first side is opposite to that of the second side, so that when the first-stage transmission module 20 moves for a certain distance relative to the base 11, the second-stage transmission module 30 can move for double strokes relative to the base 11, the telescopic distance is longer in a limited space, the space utilization rate is effectively improved, and the overall size of the telescopic mechanism is reduced.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims

1. A telescopic mechanism, comprising:

2. The telescoping mechanism of claim 1, wherein:

the first synchronous belt module comprises a first synchronous wheel, a second synchronous wheel and a first synchronous belt, wherein the first synchronous wheel is rotatably arranged on the base and is in driving connection with the driving piece, the second synchronous wheel is rotatably arranged on the base and is spaced from the first synchronous wheel, the first synchronous belt is sleeved on the first synchronous wheel and the second synchronous wheel, the first bracket is provided with a first clamping piece, and the first clamping piece is connected with the first synchronous belt; and/or the presence of a gas in the gas,

3. The telescoping mechanism of claim 1, wherein the telescoping mechanism comprises an initial state and an extended state, and wherein in the initial state, the base is coupled to the first side at an end thereof that is closer to the direction of extension of the telescoping mechanism, and the second bracket is coupled to the second side at an end thereof that is farther from the direction of extension of the telescoping mechanism.

4. The telescoping mechanism of claim 1, wherein the first bracket slidably fits over the second bracket and the base slidably fits over the first bracket.

5. The telescoping mechanism of claim 4, wherein a first roller set is disposed on one side of the second bracket, a second roller set is disposed on the other side of the second bracket, an axial direction of the first roller set is perpendicular to an axial direction of the second roller set, a first sliding groove is disposed on a bottom wall of the first bracket, and the first roller set is rollably inserted into the first sliding groove; the side wall of the first support is provided with a second sliding groove, and the second roller group can be arranged in the second sliding groove in a rolling mode.

6. The telescoping mechanism of claim 4, wherein the base is provided with a guide shaft extending in a telescoping direction of the telescoping mechanism, and the first bracket is provided with a sliding member slidably fitted over the guide shaft; or the first support is provided with a guide shaft extending along the telescopic direction of the telescopic mechanism, the base is provided with a sliding part, and the sliding part is slidably sleeved on the guide shaft.

7. The telescoping mechanism of claim 1, further comprising an inner cover coupled to the first bracket and an outer cover slidably disposed over the inner cover and coupled to the second bracket.

8. The telescoping mechanism of claim 7, wherein at least one side of the outer cover is provided with a third roller set, at least one side of the inner cover is provided with a third sliding slot, and the third roller set is rollably disposed in the sliding slot; or at least one side of the inner cover is provided with a third roller group, at least one side of the outer cover is provided with a third sliding groove, and the third roller can be arranged in the sliding groove in a rolling manner.

9. The telescoping mechanism of claim 7, wherein the outer cover is provided with a high-speed scanner, and/or the second bracket is provided with a light supplement lamp; and/or the outer cover is provided with a control key.

10. A high-speed shooting device, comprising a high-speed shooting instrument and the telescopic mechanism of any one of the preceding claims 1 to 9, wherein the high-speed shooting instrument is arranged on a secondary transmission module of the telescopic mechanism.