CN111911757A

CN111911757A - Bracket assembly of monitoring device

Info

Publication number: CN111911757A
Application number: CN202010691224.7A
Authority: CN
Inventors: 程力勇; 方志强
Original assignee: Hangzhou Hikvision Digital Technology Co Ltd
Current assignee: Hangzhou Hikvision Digital Technology Co Ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2020-11-10
Anticipated expiration: 2040-07-17
Also published as: CN111911757B

Abstract

The application is a bracket assembly for a monitoring device. The bracket assembly of the monitoring device comprises a first bracket, a second bracket and a locking mechanism, wherein the first bracket comprises a shaft hole, the second bracket comprises a positioning hole, and the second bracket is rotatably connected with the first bracket so as to rotate around the axis of the shaft hole; the locking mechanism can movably extend into the shaft hole relative to the shaft hole and comprises a positioning column; when the locking mechanism moves to the first position, the positioning column extends into the positioning hole to lock the first support and the second support, and when the locking mechanism moves to the second position, the positioning column moves out of the positioning hole to unlock the first support and the second support. The locking mechanism is mechanically limited for the first support and the second support, the relative position relation between the first support and the second support is limited, the locking by adopting fasteners such as screws is avoided, the problem of sliding threads caused by long-term use of screws can be avoided without the help of an external locking tool, and the relative position relation between the first support and the second support can be flexibly adjusted according to requirements in an unlocking state.

Description

Bracket assembly of monitoring device

Technical Field

The application relates to the technical field of video monitoring, in particular to a support assembly of a monitoring device.

Background

Through the cooperation between the two brackets which are arranged on the monitoring device and can rotate mutually, the state switching of the monitoring device can be effectively realized. However, the damping limiting mode cannot be completely fastened, and the two brackets are easy to rotate relatively under the action of external force.

In another related art, locking can be performed by a screw, which, although achieving the purpose of complete fastening, requires an external tool to achieve fastening, is inconvenient to operate, is easy to slide with the screw for a long time, and cannot flexibly adjust the relative position between two brackets by locking the screw, which is poor in flexibility

Disclosure of Invention

The present application provides a bracket assembly for a monitoring device to address deficiencies in the related art.

The present application provides a bracket assembly of a monitoring device, the bracket assembly includes:

a first bracket including a shaft hole;

the second support comprises a positioning hole, and the second support is rotatably connected with the first support so as to rotate around the axis of the shaft hole;

the locking mechanism can movably extend into the shaft hole relative to the shaft hole and comprises a positioning column;

when the locking mechanism moves to the first position, the positioning column extends into the positioning hole to lock the first support and the second support, and when the locking mechanism moves to the second position, the positioning column moves out of the positioning hole to unlock the first support and the second support.

Rotate between first support and the second support in this application and be connected, and can pass through the cooperation between the locating hole on reference column on the locking mechanism and the second support, realize unblock and the locking between first support and the second support, so that first support and second support can rotate relatively when the unblock, and spacing first support of machinery and second support under locking state, spacing relative position relation between them, avoid adopting fasteners such as screw to realize the lock, need not with the help of outside locking tool, can avoid the smooth silk problem that long-term use screw appears, and can adjust the relative position relation between first support and the second support according to the demand is nimble in the unblock state.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

FIG. 1 is a perspective view of one embodiment of a laboratory bench apparatus.

FIG. 2 is a partially exploded schematic view of a bracket assembly according to an exemplary embodiment.

Fig. 3 is a schematic view of the first bracket and the locking mechanism of fig. 2.

FIG. 4 is a schematic view of the operating member of FIG. 2.

Fig. 5 is a schematic cross-sectional view of fig. 2 in a locked state.

Fig. 6 is a schematic cross-sectional view of fig. 2 in an unlocked state.

Fig. 7 is a partial top view of the bracket assembly of fig. 2.

Fig. 8 is a schematic structural view of the locking mechanism of fig. 2.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means at least two. Unless otherwise indicated, "upper end" and "lower end" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

As used in this specification and the appended claims, the singular forms "a", "an", and "the" may include the singular forms as well as the plural forms, unless the context clearly dictates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

FIG. 1 shows a perspective view of one embodiment of a laboratory bench apparatus 100. The laboratory bench apparatus 100 includes a laboratory bench 200 and a monitoring device 300. Only the table 201 of the laboratory table 200 is shown, the support frame supporting the table 201 not being shown. In some embodiments, the laboratory bench 200 can include drawers, sinks, and/or laboratory instruments, among others. The experiment table 200 may be a physical experiment table, a chemical experiment table, a biological experiment table, or a multifunctional mixed experiment table. The monitoring device 300 is assembled to the experiment table 200. The monitoring device 300 can photograph or take a picture of the experiment process, the experiment result, the experiment operation, and the like, so that the experiment can be monitored. For example, the monitoring device 300 may be used to monitor the test procedure, and the results of the test taker. In other embodiments, monitoring device 300 may be used in other monitoring areas.

The monitoring device 300 may include a bracket assembly 301, where the bracket assembly 301 may include a plurality of brackets, and two brackets connected to each other may rotate with each other to adjust a relative position relationship between the two brackets connected to each other, so as to achieve storage and deployment of the bracket assembly 301. For example, as shown in fig. 2, the rack assembly 301 may include a first rack 1, a second rack 2, and a third rack 3, the first rack 1 is connected to the second rack 2 and the third rack 3, respectively, and the third rack 3 may rotate relative to the first rack 1 and the first rack 1 may rotate relative to the third rack 3, so as to achieve the storage of the rack assembly 301. It should be understood that when the bracket assembly 301 is in the extended state and the monitoring device 300 is in the monitoring state, the mutual rotation between the connected brackets included in the bracket assembly 301 should be avoided, so as to avoid the image shaking. Of course, the example that the bracket assembly 301 includes three brackets is only described here, and in other embodiments, the bracket assembly 301 may include two brackets, or four brackets, or another number of brackets, which is not limited in this application.

Therefore, as shown in fig. 2, the present application provides a bracket assembly 301 applied to a monitoring device 300 to realize the state switching of the bracket assembly 301 through the unlocking operation and the locking operation of the bracket assembly 301. To elaborate on this, the specific structure of the bracket assembly 301 disclosed in the present application will be described below by taking the connection between the first bracket 1 and the second bracket 2 as an example.

As shown in fig. 2, the bracket assembly 301 may include a first bracket 1, a second bracket 2, and a locking mechanism 3. When the locking mechanism 3 is in the unlocking state, the first support 1 and the second support 2 can rotate relatively, so that the relative position relationship between the first support 1 and the second support 2 is adjusted, and when the locking mechanism 3 is in the locking state, the first support 1 and the second support 2 can be locked to maintain the current relative position relationship.

Specifically, as shown in fig. 2 and 3, the first bracket 1 may include a shaft hole 11, the second bracket 2 may include a positioning hole 21, and when assembled, the second bracket 2 may be rotatably connected to the first bracket 1, and the first bracket 1 and the second bracket 2 may relatively rotate around the axial direction of the shaft hole 11. The positioning holes 21 may be located at the end of the second bracket 2, and may be formed by being recessed in the axial direction of the second bracket 2, or may also be formed by being recessed radially outward of the second bracket 2, the number of the positioning holes 21 on each second bracket 2 may be one or more, and the shapes of the plurality of positioning holes may be the same or different, and may specifically be designed as needed. The locking mechanism 3 can be movably extended into the shaft hole 11 relative to the shaft hole 11, for example, the locking mechanism 3 can be rotated around the axial direction of the shaft hole 11 relative to the shaft hole 11, or can be slid along the axial direction of the shaft hole 11, or a part of the structure of the locking mechanism 3 can be rotated around the axial direction of the shaft hole 11, and a part of the structure can be slid along the axial direction of the shaft hole 11. The locking mechanism 3 may include a positioning post 31, when the locking mechanism 3 moves to the first position relative to the shaft hole 11, the positioning post 31 may extend into the positioning hole 21, so as to mechanically lock the first bracket 1 and the second bracket 2 to maintain the current relative position relationship; when the locking mechanism 3 moves to the second position relative to the shaft hole 11, the positioning column 31 moves out of the positioning hole 21, the first bracket 1 and the second bracket 2 are unlocked, and the first bracket 1 and the second bracket 2 can rotate relatively.

According to the embodiment, the first support 1 and the second support 2 are connected in a rotating mode, unlocking and locking between the first support 1 and the second support 2 can be achieved through matching between the positioning column 31 on the locking mechanism 3 and the positioning hole 21 on the second support 2, the first support 1 and the second support 2 can rotate relatively during unlocking, the first support 1 and the second support 2 are mechanically limited in the locking state, relative position relation between the first support 1 and the second support 2 is limited, locking is avoided through fasteners such as screws, the problem of wire sliding caused by long-term use of the screws can be avoided without the aid of an external locking tool, and relative position relation between the first support 1 and the second support 2 can be flexibly adjusted according to requirements in the unlocking state.

For example, the rack assembly 301 may include an expanded state and a collapsed state, fig. 1 shows a schematic structural view of the rack assembly 301 in the expanded state, and in fig. 1, the third rack 3 may rotate relative to the first rack 1 to overlap with the first rack 1, and the first rack 1 may rotate relative to the second rack 2 to overlap with the second rack 2, so as to achieve the storage of the rack assembly 301. When the rack assembly 301 is in the unfolded state, the first rack 1 and the second rack 2 may be perpendicular to each other, and the locking mechanism 3 may lock the first rack 1 and the second rack 2, so that the first rack 1 and the second rack 2 of the rack assembly 301 are maintained in the unfolded state, and when the locking mechanism 3 unlocks the first rack 1 and the second rack 2, the first rack 1 and the second rack 2 may be switched between the unfolded state and the storage state. For the state switching between the third support 3 and the first support 1, reference may be made to the state switching between the first support 1 and the second support 2, which is not described herein again.

After the bracket assembly 301 is in the unfolded state and locked by the locking mechanism 3, the overall structure of the monitoring device 300 is stable, the monitoring operation can be smoothly executed, and the monitoring picture does not shake; and after the bracket assembly 301 is in the storage state and locked by the locking mechanism 3, the mutual rotation between the connected brackets caused by external impact can be avoided in the transportation process, and the damage probability of the bracket assembly 301 is reduced. At least one of the brackets of the bracket assembly 301 may have a lens mounting hole 302, so that a lens can be mounted in the lens mounting hole for monitoring. For example, the first bracket 1 may be provided with a lens mounting hole 302, the second bracket 2 may be provided with a lens mounting hole, the third bracket 3 may be provided with a lens mounting hole, or a plurality of brackets may be provided with the lens mounting holes 302 at the same time, which is not limited in the present application.

In the above embodiment, in order to avoid the first bracket 1 and the second bracket 2 from moving in the axial direction, it is necessary to limit the movement of the first bracket 1 and the second bracket 2 in the axial direction. Therefore, as shown in fig. 2, in an embodiment, the first bracket 1 may further include a step portion 13 extending from an inner side wall of the shaft hole 11 into the shaft hole 11, the step portion 13 may include a first side 131 and a second side 132 opposite to the first side, and the second bracket 2 may extend into the first bracket 1 along a direction from the first side 131 to the second side 132 and is in limit fit with the first side 131. The bracket assembly 301 may further include a pressing plate 4, the pressing plate 4 may extend into the shaft hole 11 along a direction in which the second side 132 points to the first side 131 until the pressing plate 4 abuts against the second side 132, and another surface of the pressing plate 4 may abut against the locking mechanism 3, so as to clamp the pressing plate 4 in the shaft hole 11, and then the pressing plate 4 may further be connected to the second bracket 2, and the first bracket 1 and the second bracket 2 are assembled and limited in the axial direction, so that in a left-down direction to a right-up direction in fig. 1, since the locking mechanism 3 abuts against the pressing plate 4, the movement of the pressing plate 4 in the direction may be limited, i.e., the movement of the second bracket 2 in the direction may be limited, and in a right-up direction to a left-down direction, since the pressing plate 4 abuts against the second side 132, the movement of the pressing plate 4 in the direction may be limited, i.e., the movement of the second bracket 2 in the, the first bracket 1 and the second bracket 2 are restricted from moving in the axial direction, and axial play is avoided. As shown in fig. 2, the step portion 13 may be located at an end of the first bracket 1 facing the second bracket 2, or in other embodiments, the step portion 13 may be located in the shaft hole 11, which is not limited in the present application.

Wherein, in order to realize the relative rotation between first support 1 and the second support 2 in the spacing first support 1 of axial and second support 2, this second support 2 partly can stretch into in the shaft hole 11, realize rotating through the clearance fit between first support 1 and the shaft hole 11, or, in other embodiments, also can second support 2 partly can stretch into in the shaft hole 11, and the inside wall of shaft hole 11 sets up one or more groove position, the lateral wall of second support 2 sets up one or more lug, through the cooperation of lug and groove position, realize the rotation between first support 1 and the second support 2, and can provide the damping simultaneously. Or, in some further embodiments, as shown in fig. 1 and fig. 2, the second bracket 2 may include a boss 22, the boss 22 may extend into the shaft hole 11, the bracket assembly 301 may further include a damper 5, the damper 5 is sleeved on an outer periphery of the boss 22, and the damper 5 abuts against an inner side wall of the shaft hole 11 and an outer side wall of the boss 22, in the embodiment of fig. 2, since the stepped portion 13 is located at an end of the first bracket 1 facing the second bracket 2, in order to provide an effective damping force by the damper sleeved on the boss 22, in an axial direction of the shaft hole 11, the damper 5 may abut against between the second bracket 2 and the pressing plate 4, and at this time, the damper 5 may be located between the boss 22 and the side wall of the stepped portion 13. Therefore, in the axial direction of the shaft hole 11, the damping piece 5 can provide damping for the rotation between the first support 1 and the second support 2, the random rotation between the first support 1 and the second support 2 is avoided, the damping piece 5 can be limited in the axial direction of the shaft hole 11 through the stepped part 13 or the pressing plate 4, and the vibration of the damping piece 5 in the axial direction of the shaft hole 11 is avoided. In other examples, when the step 13 is located in the shaft hole 11, the damping piece 5 may abut between the second bracket 2 and the step 13 or may also abut between the second bracket 2 and the pressing plate 4, and the relative position of the damping piece 5 may be designed by designing the extension length of the step 13 in the radial direction of the shaft hole 11, for example, when the extension length of the step 13 is long enough, the damping piece 5 may abut between the step 13 and the second bracket 2, and conversely, the damping piece 5 may abut between the pressing plate 4 and the second bracket 2.

This damping fin 5 can include rubber gasket, in rigidity gasket or the plastic gasket, or, under still another condition, as shown in fig. 1, this damping fin 5 can include the ripple shell fragment, this ripple shell fragment can support and press between step 13 and second support 2, or this ripple shell fragment can support and press between clamp plate 4 and second support 2, and under above-mentioned two kinds of circumstances, can make the waveform shell fragment compressed through the extrusion, thereby to the inside wall of shaft hole 11 and the lateral wall nature deformation of boss 22, when locking mechanism 3 is in the unblock state, this waveform shell fragment can keep the damping effect of certain intensity, avoid behind first support 1 of unblock and the second support 2, rotate at will between first support 1 and the second support 2, be favorable to promoting to use and experience.

In the embodiment of the present application, as shown in fig. 4 to 6, the locking structure 3 may include an operating element 32 and a guiding block 33, the positioning column 31 is disposed on the guiding block 33, the guiding block 33 is disposed in the shaft hole 11, and the guiding block 33 has a freedom of movement along the axial direction of the shaft hole 11, the operating element 32 may rotatably extend into the shaft hole 11 relative to the shaft hole 11, and when the operating element 32 rotates, the guiding block 33 may be triggered to move along the axial direction of the shaft hole 11, so that the positioning column 31 extends into or moves out of the positioning hole 21. In the embodiments provided in the present application, the partial structure of the locking mechanism 3 rotates relative to the shaft hole 11, and the partial mechanism moves axially relative to the shaft hole 11 as an example, in other embodiments, the locking mechanism 3 may also move along the axis of the shaft hole 11 to drive the positioning post 31 to extend into or move out of the positioning hole 21.

Wherein, the operation member 32 may include an abutting column 321 extending in a direction toward the positioning hole 21 along an axial direction of the first bracket 1, the guiding block 33 may be rotatably connected to the operation member 32, and the guiding block 33 may include a second surface 332 facing the abutting column 321 and a first surface 331 disposed opposite to the second surface 332, the first surface 331 is a flat surface, the second surface 332 has a guiding inclined surface 3323, the guiding inclined surface 3323 is formed obliquely along a circumferential direction of the shaft hole 11 in a direction in which the second surface 332 points to the first surface 331, when the operation member 32 moves along the guiding inclined surface 3323 to an end of the guiding inclined surface 3323 close to the operation member 32, the locking mechanism 3 is switched to the first position, when the operation member 32 moves along the guiding inclined surface 3323 to an end of the guiding inclined surface 3323 away from the operation member 32, the locking mechanism 3 is switched to the second position, a height of the guiding inclined surface 3323 is equal to a moving position of the positioning column 31, and in the second position, the sum of the spacing distance between the positioning post 31 and the positioning hole 21 and one half of the depth of the positioning hole 21 is less than or equal to the height of the guide inclined surface 3323, so that when the second position is switched to the first position, the positioning post 31 can be inserted into at least one half of the depth of the positioning hole 21, and the probability that the positioning post 31 slides out of the positioning hole 21 is reduced. The first surface 331 is disposed toward the positioning hole 21, the positioning column 31 is connected to the first surface 331, the second surface 332 is engaged with the pressing column 321 of the operating element 32, when the operating element 32 rotates relative to the shaft hole 11 and the guiding block 33, the pressing column 321 can slide along the second surface 332, so that the guiding block 33 moves axially along the axis of the shaft hole 11, and the positioning column 31 can synchronously extend into or move out of the positioning hole 21 along the axial direction of the shaft hole 11.

Specifically, the second surface 332 may include a first guiding surface 3321, a second guiding surface 3322, and a guiding inclined surface 3323 that are engaged with the pressing pillars 321, the guiding inclined surface 3323 may be connected to the first guiding surface 3311 and the second guiding surface 3312, respectively, the first guiding surface 3321 and the second guiding surface 3322 are distributed in a circumferential direction of the guiding block 33, and the first guiding surface 3321 is close to the positioning hole 21 in an axial direction of the first bracket 1 relative to the second guiding surface 3322. When the operating member 32 rotates relative to the guide block 33, the pressing column 321 can move along the guide inclined plane 3323 from the first guide surface 3311 to the second guide surface 3312, the locking mechanism 3 moves to the second position, the positioning column 31 moves out of the positioning hole 21, the first bracket 1 and the second bracket 2 are unlocked, and the unlocking state shown in fig. 6 is switched, in which the first bracket 1 and the second bracket 2 can rotate relative to each other. Or the pressing column 321 can move along the guiding inclined plane 3323 from the second guiding plane 3312 to the first guiding plane 3311, the locking mechanism 3 moves to the first position, the positioning column 31 extends into the positioning hole 21, and the first support 1 and the second support 2 are locked, so as to switch to the locking state shown in fig. 5. The inclined angle of the guiding slope 331 may be any angle, for example, 30 °, 45 °, or 60 °, and the application is not limited thereto.

In this embodiment, for convenience of operation, the operating element 32 may further include a knob 322, the pressing column 321 is connected to the knob 322, and the pressing column 321 extends toward the positioning hole 21 along the axial direction of the shaft hole 11, so as to facilitate connection between the operating element 32 and the guiding block 33, and between the operating element 32 and the first bracket 1 after the locking mechanism 3 extends into the shaft hole 11. Wherein, as shown in fig. 7, the knob 322 can be locked by clockwise rotation, unlocked by counterclockwise rotation, or in other embodiments, the knob 322 can also be unlocked by clockwise rotation, unlocked by counterclockwise rotation. The rotation angle of the knob 322 may be 30 °, 40 ° or other angles, which is not limited in this application.

For example, as shown in fig. 5 and 6, the second surface 332 may further include a third guide surface 3324, the first guide surface 3321 is disposed adjacent to the positioning hole 21 in the axial direction of the first support 1 relative to the third guide surface 3324, the guide inclined surface 3323 may include a first inclined surface and a second inclined surface, the first inclined surface connects the first guide surface 3321 and the second guide surface 3322, the second inclined surface connects the first guide surface 3322 and the third guide surface 3324, the pressing column 321 moves from the first guide surface 3321 to the second guide surface 3322 or from the second guide surface 3322 to the first guide surface 3321 along the first inclined surface, and the pressing column 321 moves from the first guide surface 3321 to the third guide surface 3324 or from the third guide surface 3324 to the first guide surface 3321 along the second inclined surface. Therefore, the knob 322 can rotate counterclockwise or clockwise to drive the positioning column 31 to rotate counterclockwise or clockwise, and the positioning column can move to the first guiding surface through the guiding of the first inclined surface or the second inclined surface. For example, in fig. 6, the knob can be rotated clockwise, the pressing column 321 moves to the second guiding surface 3322 of the guiding block 33 along the first inclined surface, and the rotating shaft mechanism 100 is switched to the state shown in fig. 5. Since locking can be achieved by rotating the knob 322 in a plurality of directions, operation is facilitated, and the learning cost of the user can be reduced.

In some embodiments, in order to optimize the operation feel of the user during the process of moving the positioning column 31 out of the positioning hole 21, the following modification may be made to the guide block 33. The step portion 13 may include a through hole 132. The locking mechanism 3 may further include a compression spring 34, the compression spring 34 may be sleeved on the positioning post 31, the positioning post 31 may be inserted through the through hole 132, one end of the compression spring 34 abuts against the second side 132 of the stepped portion 13, and the other end abuts against the first surface 331 of the ring block 33, when the positioning post 31 extends into the positioning hole 21, the compression spring 34 is compressed, so as to provide an acting force toward the first surface 331, so as to push the ring block 33 to move toward the outside of the shaft hole 11, and by means of the acting force provided by the compression spring 34, when the user rotates the knob 322, the positioning post 31 may move out of the positioning hole 21.

In the above embodiment, since the operation member 32 and the guide block 33 need to rotate relatively and the guide block 33 needs to reciprocate in the axial direction of the first bracket 1, the present application is designed as follows for the structure of the operation member 32 in order to achieve the above requirement.

In an embodiment, the operating element 32 may further include a bearing portion 323, the bearing portion 323 is connected to the knob 322, and the bearing portion 323 extends along an axial direction of the shaft hole 11, the bearing portion 323 may include a claw 3231 extending along a radial direction of the shaft hole 11, the guide block 33 is located between the claws 3231 of the pressing columns 321, so that the movement of the guide block 33 in the axial direction of the first bracket 1 may be performed by the claws 3231 of the pressing columns 321, and the bearing portion 323 further has a degree of freedom to rotate around the axial direction of the shaft hole 11, so that the relative rotation between the guide block 33 and the bearing portion 323 is ensured, and a requirement that the pressing columns 321 move along the guide inclined surfaces 331 of the guide block 33 is met. Wherein, the operation member 32 may include a plurality of bearing portions 323, and the plurality of bearing portions 323 may form a ring shape to place the guide block; alternatively, in other embodiments, the operating member 32 may include an annular bearing portion to receive a guide block. The claw 3231 may be as shown in fig. 4, extending radially inward of the shaft hole 11; alternatively, in other embodiments, the claw 3231 may also extend outward along the radial direction of the shaft hole 11, which is not limited in this application.

In some further embodiments, the operating element 32 may further include a limiting portion 324, the limiting portion 324 is connected to the knob 322, the limiting portion 324 may extend in the axial direction of the shaft hole 11, the extending length of the limiting portion 324 is less than the extending length of the bearing portion 323, and when the locking mechanism 3 is in the first position to lock the first bracket 1 and the second bracket 2, the minimum distance between the limiting portion 324 and the guide block 33 is greater than or equal to the height of the guide slope 331 in the axial direction of the shaft hole 11. Next, when the locking mechanism 3 is switched to the second position, in the process that the positioning column 31 moves out of the positioning hole 21, the spacing distance between the limiting portion 324 and the guiding block 33 may be used to provide a space for the guiding block 33 to move in the axial direction of the shaft hole 11, and when the locking mechanism 3 is switched to the second position, the guiding block 33 may abut against the limiting portion 324, so as to avoid the guiding block 33 from moving outwards in the axial direction of the shaft hole 11.

In other embodiments, the operating element 32 may include a rib 325, the rib 325 is connected to the knob 322, the rib 325 extends in the same direction as the pressing column 321, the extending length of the rib 325 is smaller than the extending length of the pressing column 321, and the rib 325 is connected to the outer circumferential surface of the pressing column 321, so as to enhance the strength of the pressing column 321, reduce the probability of breakage of the pressing column 321 during locking and unlocking processes, and facilitate prolonging the service life of the bracket assembly 301.

In the embodiment of the present application, in order to realize the relative rotation between the operating element 32 and the shaft hole 11, as shown in fig. 3, the first bracket 1 may further include a sliding slot 12, the sliding slot 12 may be disposed on an inner side wall of the shaft hole 11, and the locking mechanism 3 may be slidably connected with the sliding slot 12, that is, the locking mechanism 3 may slide relative to the sliding slot 12. As shown in fig. 8, the locking mechanism 3 may include a sliding portion 326, the sliding portion 326 may include a hook 3261 bent and disposed toward the outside of the shaft hole 11, the hook 3261 may be engaged with the sliding chute 12 along the axial direction of the shaft hole 11, the sliding portion 326 is slidably engaged with the sliding chute 12 along the axial direction of the shaft hole 11, when the sliding portion 326 slides relative to the sliding chute 12 along the axial direction of the shaft hole 11, the operating member 32 may rotate relative to the shaft hole 11 along the axial direction of the shaft hole 11, and the pressing column 321 rotates therewith, so that the guiding block 33 moves toward the second bracket 2 or away from the second bracket 2 under the guidance of the second surface 332, and the positioning column 31 extends into or moves out of the positioning hole 21.

In this embodiment, the sliding groove 12 may include an arc-shaped limiting groove around the axial direction of the shaft hole 11, and the arc-shaped limiting groove may be formed by being recessed from the inner side wall of the shaft hole 11 toward the outside of the shaft hole 11, for example, in fig. 2, the arc-shaped limiting groove is formed by penetrating the inner side wall of the shaft hole 11 from the inner side wall of the shaft hole 11, and in other embodiments, the arc-shaped limiting groove may also be a groove formed on the inner side wall of the shaft hole 11; or, the arc-shaped limiting groove may also be formed by extending from the inner side wall of the shaft hole 11 toward the inside of the shaft hole 11, and the bottom surface of the arc-shaped limiting groove may be the inner surface of the shaft hole 11.

In other embodiments, the sliding groove 12 may also include an annular limiting groove around the axial direction of the shaft hole 11, and the annular limiting groove may be formed by recessing from an inner side wall of the shaft hole 11 toward the outside of the shaft hole 11, and may be recessed and penetrate through a side wall of the shaft hole 11 or may not penetrate through the side wall, which is not limited in this application; alternatively, the annular limiting groove may be formed by extending from the inner side wall of the shaft hole 11 toward the inside of the shaft hole 11, and the bottom surface of the annular limiting groove may be the inner surface of the shaft hole 11. Of course, in some embodiments, the same rotating shaft structure 12 may also include an arc-shaped limiting groove and an annular limiting groove at the same time, the arc-shaped limiting groove may be formed by the inner side wall of the shaft hole 11 being recessed outward toward the shaft hole 11 or extending inward toward the shaft hole, and the annular limiting groove may be formed by the inner side wall of the shaft hole 11 being recessed outward toward the shaft hole 11 or extending inward toward the shaft hole, which is not limited in this application.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. A bracket assembly for a monitoring device, the bracket assembly comprising:

a first bracket including a shaft hole;

2. The bracket assembly of claim 1, wherein the locking mechanism comprises an operating member and a guide block, the guide block comprises a first surface and a second surface opposite to the first surface, wherein the first surface is a plane, the second surface comprises a guide inclined surface, and the guide inclined surface is formed in a manner of inclining along the circumferential direction of the shaft hole in the direction that the second surface points to the first surface;

when the operating piece moves to one end, close to the operating piece, of the guide inclined plane along the guide inclined plane, the locking mechanism is switched to the first position, and when the operating piece moves to one end, far away from the operating piece, of the guide inclined plane along the guide inclined plane, the locking mechanism is switched to the second position.

3. The support assembly of claim 2, wherein the second surface includes a first guiding surface and a second guiding surface, the first guiding surface is adjacent to the positioning hole in the axial direction of the shaft hole relative to the second guiding surface, two ends of the guiding inclined surface are respectively connected to the first guiding surface and the second guiding surface, so that when the operating member is matched with the first guiding surface, the positioning column extends into the positioning hole, and when the operating member is matched with the second guiding surface, the positioning column is located outside the positioning hole.

4. The bracket assembly of claim 2, wherein the operating member includes a pressing post extending toward the positioning hole along an axial direction of the shaft hole, the locking mechanism is switched to the first position when the pressing post moves along the guiding inclined plane to an end of the guiding inclined plane close to the operating member, and the locking mechanism is switched to the second position when the pressing post moves along the guiding inclined plane to an end of the guiding inclined plane far away from the operating member.

5. The bracket assembly of claim 1, wherein the locking mechanism includes an operating element and a guiding block, the positioning post is disposed on the guiding block, the guiding block is disposed in the shaft hole and has a freedom of movement along the axial direction of the shaft hole, the operating element is rotatably inserted into the shaft hole relative to the shaft hole, and when the operating element rotates, the operating element triggers the guiding block to move along the axial direction of the shaft hole, so that the positioning post is inserted into or removed from the positioning hole.

6. The bracket assembly of claim 5, wherein the operating member includes a pressing post extending in the axial direction of the shaft hole toward the positioning hole;

the guiding block is rotatably connected with the operating piece, the positioning column is connected to a first surface, facing the positioning hole, of the guiding block, and the guiding block is matched with the pressing column relative to a second surface of the first surface;

the operating piece rotates relative to the guide block and the shaft hole, the pressing column slides along the second surface, the guide block moves along the axial direction of the shaft hole, and the positioning column extends into or moves out of the positioning hole along the axial direction of the shaft hole.

7. The bracket assembly according to claim 6, wherein the second surface includes a first guide surface, a second guide surface, and a guide inclined surface that is engaged with the pressing column, the guide inclined surface connects the first guide surface and the second guide surface, the first guide surface, the second guide surface, and the guide inclined surface are distributed in a circumferential direction of the guide block, and the first guide surface is close to the positioning hole in an axial direction of the shaft hole with respect to the second guide surface;

when the pressing column moves to the first guide surface along the guide inclined surface, the locking mechanism moves to the first position, and when the pressing column moves to the second guide surface along the guide inclined surface, the locking mechanism moves to the second position.

8. The bracket assembly of claim 7, wherein the second surface further comprises a third guide surface, the first guide surface being adjacent to the locating hole in an axial direction of the first bracket relative to the third guide surface; the guide inclined plane comprises a first inclined plane and a second inclined plane, the first inclined plane is connected with the first guide surface and the second guide surface, the second inclined plane is connected with the first guide surface and the third guide surface, the pressure resisting column moves from the first guide surface to the second guide surface or from the second guide surface to the first guide surface along the first inclined plane, and the pressure resisting column moves from the first guide surface to the third guide surface or from the third guide surface to the first guide surface along the second inclined plane.

9. The bracket assembly of claim 5, wherein the first bracket includes a sliding slot, the sliding slot being disposed on an inner sidewall of the shaft hole; the operating part comprises a sliding part, the sliding part comprises a clamping hook which is bent towards the outside of the shaft hole, the clamping hook is clamped with the sliding groove along the axial direction of the shaft hole, and the sliding part is matched with the sliding groove in a sliding manner around the axial direction of the shaft hole; and/or

The first support further comprises a step part extending from the inner side wall of the shaft hole to the inside of the shaft hole, and the step part comprises a through hole; the locking mechanism further comprises a compression spring, the compression spring is sleeved on the positioning column, the positioning column penetrates through the through hole, one end of the compression spring abuts against the stepped part, the other end of the compression spring abuts against the surface, facing the first support, of the guide block, and when the positioning column extends into the positioning hole, the compression spring is compressed.

10. The brace assembly of any of claims 1-9, wherein the brace assembly comprises a deployed state in which the first brace and the second brace are perpendicular and a collapsed state in which the first brace and the second brace are locked by the locking mechanism to maintain the brace assembly in the deployed state, the brace assembly being switchable between the deployed state and the stowed state when the locking mechanism unlocks the first brace and the second brace; and/or

At least one of the first support and the second support is provided with a lens mounting hole for mounting a lens module.