CN220383401U - Box structure and video box - Google Patents

Abstract

The utility model relates to the field of video monitoring, in particular to a box structure and a video box. According to the box structure provided by the utility model, the box body is provided with the plurality of fixing assemblies, each fixing assembly comprises the third fixing plate and the second fixing plate, the third fixing plate is in sliding fit with the box body along the first direction, the third fixing plate is detachably matched with the second fixing plate through the two second screws, the two second screws are arranged at intervals along the first direction, and the first fixing plate, the second fixing plate and the two second screws are enclosed to form a fixing area for penetrating through a fixed object.

Description

Box structure and video box

Technical Field

The utility model relates to the field of video monitoring, in particular to a box structure and a video box.

Background

Video box or other fortune dimension casees are usually applied to outdoor environment, are equipped with the electric component in the box to be convenient for to power supply and signal transmission to the electrical apparatus such as camera etc. current box if need place in higher position, generally adopts staple bolt or other structures to fix it on stand or channel-section steel member, encloses between the both ends or one of them section of staple bolt and the box and closes and form fixed region, and fixed object such as stand or channel-section steel member passes fixed region, and the bypass stand or channel-section steel member of staple bolt and compresses tightly with it. Therefore, the box body can only rotate around the upright post or the channel steel rod piece, and cannot realize the position adjustment of horizontal movement or up-down movement.

Disclosure of Invention

In one aspect, the utility model provides a box structure capable of ensuring that the box body is adjusted relative to a fixed object;

in another aspect, the present utility model provides a video box.

According to the box structure provided by the utility model, the box body is provided with the plurality of fixing components, each fixing component comprises the third fixing plate and the second fixing plate, the third fixing plate is in sliding fit with the box body along the first direction, the third fixing plate is detachably matched with the second fixing plate through the two second screws, the two second screws are arranged at intervals along the first direction, and the third fixing plate, the second fixing plate and the two second screws are enclosed to form a fixing area for penetrating through a fixed object.

Further, a connecting groove is formed in the box body, the connecting groove extends in the direction parallel to the first direction, and the third fixing plate is connected with the connecting groove through a first screw.

Further, the fixing assembly further comprises a first fixing plate, the first fixing plate is fixedly matched with the box body, a clamping plate is arranged at one end, close to the first fixing plate, of the first screw rod, a fit gap is formed between the first fixing plate and the box body, the clamping plate is located in the fit gap, the groove width dimension of the connecting groove is smaller than the dimension of the clamping plate along the groove width direction, and an opening which is communicated with the connecting groove and used for moving the clamping plate into the fit gap is formed in the first fixing plate; limiting parts are arranged on two sides of the connecting groove and are matched with the clamping plates so as to prevent the first screw from rotating; the third fixing plate is provided with a connecting hole for penetrating through the first screw rod, the first screw rod is meshed with the nut, and the third fixing plate can be propped against the first fixing plate under the action of the nut.

Further, the third fixing plate comprises a matching section and a fitting section, two matching sections are respectively located at two ends of the fitting section in the first direction, and each matching section is provided with one connecting hole.

Further, the fitting section is close to the two ends of the fitting section and is respectively provided with a fitting hole matched with the second screw rod, and the fitting section, the second fixing plate and the two second screw rods enclose to form a fixing area for penetrating through a fixed object.

Further, the cross section of the clamping plate along the axial direction perpendicular to the first screw rod is of a polygonal structure, two sides of the connecting groove are respectively provided with a plate used for forming the limiting part, the two plates are arranged in parallel along the first direction, and the clamping plate is located between the two plates.

Further, the cross section of the clamping plate along the axial direction perpendicular to the first screw rod is rectangular, the distance between the opposite wall surfaces of the two plates is larger than or equal to the dimension between the opposite end surfaces of the clamping plate along the distance direction of the two plates, and the distance between the opposite wall surfaces of the two plates is smaller than the dimension in the diagonal direction of the clamping plate.

Further, the first fixed plate is provided with a first plate, a second plate and a third plate which are connected in sequence, the first plate and the third plate are respectively and fixedly matched with the box body, the connecting groove is formed in the second plate, and the first plate, the second plate, the third plate and the box body enclose to form the fit gap.

Further, the cross section of the clamping plate along the axial direction perpendicular to the first screw rod is rectangular, the distance between the opposite wall surfaces of the first plate and the third plate is larger than or equal to the dimension between the opposite end surfaces of the clamping plate along the distance direction of the two plates, and the distance between the opposite wall surfaces of the first plate and the third plate is smaller than the dimension in the diagonal direction of the clamping plate.

The video box provided by the utility model comprises a plurality of components for supplying power to the camera and collecting signals, wherein the components are positioned in the box structure according to any one of the above.

Advantageous effects

The box structure in this scheme utilizes staple bolt in first fixed plate, second fixed plate and the two screw rods replace traditional scheme, and it is fixed on stand or channel-section steel member with it to adopt staple bolt isotructure generally in comparison current box, and the staple bolt receives great pressure effect with the part of edge contact to lead to the part of staple bolt and edge contact to produce wearing and tearing easily even fracture. In this scheme, first fixed plate is fixed with the box, and two screws link to each other with first fixed plate respectively, and the second fixed plate links to each other with two screws, and first fixed plate, second fixed plate and two screws enclose and close and form fixed area, and when actual installation, stand or channel-section steel member pass this fixed area, and first fixed plate and second fixed plate cooperation compress tightly, and two screw cooperation compresses tightly to make the box can place the target position at stand or channel-section steel member.

And for the size difference of adaptation different stand or channel-section steel member, interval adjustment between first fixed plate and the second fixed plate in this scheme passes through the screw rod and realizes, and interval adjustment between two screws passes through the slip of screw rod on first fixed plate, and two screw rods move in opposite directions or the opposite movement to make two screw rods can the centre gripping be in stand or channel-section steel member both sides of equidimension.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is apparent that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is an overall schematic provided by an embodiment of the present utility model;

FIG. 2 is a partial schematic view of a securing assembly according to an embodiment of the present utility model;

fig. 3 is a schematic view of a portion of a connecting slot according to an embodiment of the present utility model.

Reference numerals: 1-a box body; 2-fixing parts; 3-a first fixing plate; 4-a third fixing plate; 5-a second fixing plate; 6-connecting grooves; 7-a first screw; 8-a second screw; 9-immobilization region; 10-a first plate; 11-a second plate; 12-a third plate; 13-fit clearance; 14-clamping plate.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

Examples

The utility model provides a case structure is equipped with a plurality of fixed subassemblies on the box 1, and every fixed subassembly includes third fixed plate 4 and second fixed plate 5, and third fixed plate 4 and box 1 are along first direction sliding fit, can dismantle the cooperation through two second screw rods 8 between third fixed plate 4 and the second fixed plate 5, and two second screw rods 8 set up along first direction interval, and third fixed plate 4, second fixed plate 5 and two second screw rods 8 enclose and close and form the fixed region 9 that is used for passing fixture 2.

The box 1 in this scheme is usually applied to outdoor environment, is equipped with the electric component in the box 1 to be convenient for to power supply and signal transmission to the electrical apparatus such as camera etc. current box 1 if needs to place in higher position, generally adopts staple bolt isotructure to fix it on stand or channel-section steel member, encloses between the both ends of staple bolt or one of them section and box 1 and closes and form fixed region 9, and fixed object 2 such as stand or channel-section steel member passes fixed region 9, and the bypassing stand or channel-section steel member of staple bolt compresses tightly with it. Therefore, the box 1 can only rotate around the upright post or the channel steel rod piece, and cannot realize the position adjustment of horizontal movement or up-down movement.

The box 1 in this scheme utilizes the staple bolt in the third fixed plate 4, second fixed plate 5 and two second screw rods 8 replace traditional scheme, the staple bolt in third fixed plate 4 and box 1 sliding fit, two second screw rods 8 link to each other with third fixed plate 4 respectively, second fixed plate 5 links to each other with two second screw rods 8, third fixed plate 4, second fixed plate 5 and two second screw rods 8 enclose and close and form fixed region 9, when actually installing, stand or channel-section steel member passes this fixed region 9, under the effect of second screw rod 8, the cooperation of third fixed plate 4 and second fixed plate 5 compresses tightly, thereby make the fixed subassembly that third fixed plate 4, second fixed plate 5 and two second screw rods 8 constitute can be fixed on stand or channel-section steel member's target position, and box 1 can slide for third fixed plate 4, through preset slip direction, can realize box 1 for stand or channel-section steel member etc. fixed object 2's position adjustment.

For the size difference of adaptation different stand or channel-section steel member, in this scheme, interval adjustment between third fixed plate 4 and the second fixed plate 5 is realized through second screw rod 8, specific second screw rod 8 passes the through-hole on the second fixed plate 5 to retrain through the nut in one side that second fixed plate 5 deviates from third fixed plate 4, avoid second fixed plate 5 to deviate from towards the direction of keeping away from third fixed plate 4, be equipped with the mating holes on third fixed plate 4 simultaneously, second screw rod 8 passes the mating holes on the third fixed plate 4, and retrain in one side that third fixed plate 4 deviates from second fixed plate 5 through the nut.

Preferably, two third fixing plates 4 are arranged on the back plate of the box body 1 along the vertical direction at intervals, the two third fixing plates 4 are arranged in parallel along the first direction, a containing cavity is arranged in the box body 1, an electric element for realizing specific functions of the box body 1 is arranged in the containing cavity, the front surface of the box body 1 opposite to the back plate is a window for containing the cavity, a door body matched with the window is arranged at the front surface of the box body 1, two sides of the window are side plates respectively, the first direction in the scheme is the direction perpendicular to the two side plates, the positions of the third fixing plates 4 close to the two side plates are respectively connected with one second screw rod 8, namely, each third fixing plate 4 is connected with two second screw rods 8, and the two second screw rods 8 are connected with the same second fixing plate 5.

In an alternative embodiment, the box 1 is provided with a connecting groove 6, the connecting groove 6 is arranged in a direction parallel to the first direction in an extending manner, and the third fixing plate 4 is connected with the connecting groove 6 through a first screw 7.

Preferably, a connecting groove 6 is respectively arranged on the backboard of the box body 1 near the two side plates, each connecting groove 6 is connected with one first screw rod 7, and two matching holes are respectively arranged on the third fixing plate 4 and are respectively connected with the two first screw rods 7. The connecting groove 6 is arranged extending in a direction parallel to the first direction, i.e. the first screw 7 is slidable in the connecting groove 6 in a direction parallel to the first direction, thereby changing the position of the fixing assembly relative to the housing 1.

Or, be equipped with a spread groove 6 on the backplate of box 1, spread groove 6 extends to its both ends and is close to two curb plates of box 1 respectively, and spread groove 6 links to each other with two first screw rods 7, and two first screw rods 7 can slide along the parallel direction of first direction in spread groove 6 promptly.

In an alternative embodiment, the fixing assembly further comprises a first fixing plate 3, the first fixing plate 3 is fixedly matched with the box body 1, a clamping plate 14 is arranged at one end, close to the first fixing plate 3, of the first screw rod 7, a fit gap 13 is formed between the first fixing plate 3 and the box body 1, the clamping plate 14 is positioned in the fit gap 13, the groove width dimension of the connecting groove 6 is smaller than the dimension of the clamping plate 14 along the groove width direction, and an opening communicated with the connecting groove 6 and used for moving the clamping plate 14 into the fit gap 13 is formed in the first fixing plate 3; limiting parts are arranged on two sides of the connecting groove 6 and are matched with the clamping plates 14 so as to prevent the first screw rod 7 from rotating; the third fixing plate 4 is provided with a connecting hole for penetrating through the first screw rod 7, the first screw rod 7 is meshed with a nut, and the third fixing plate 4 can be propped against the first fixing plate 3 under the action of the nut.

The end portion of one end of the first screw rod 7 is provided with the clamping plate 14, the clamping plate 14 is matched with the first fixing plate 3, specifically, a fit gap 13 is formed between the first fixing plate 3 and the back plate of the box body 1, when the first screw rod 7 is matched with the first fixing plate 3, the clamping plate 14 is located in the fit gap 13, the other end of the first screw rod 7 extends out of the gap through the connecting groove 6, the groove width dimension of the connecting groove 6 is smaller than the dimension of the clamping plate 14 along the groove width direction, the connecting position of the first screw rod 7 and the clamping plate 14 is located in the middle of the clamping plate 14, the clamping plates 14 on the upper side and the lower side of the first screw rod 7 are respectively abutted against the first fixing plates 3 on the upper side and the lower side of the connecting groove 6 in the groove width direction of the connecting groove 6, therefore the clamping plate 14 is restrained by the first fixing plate 3 and the back plate of the box body 1 in the fit gap 13, the groove width dimension of the connecting groove 6 is consistent with the radial dimension of the first screw rod 7, therefore the first screw rod 7 is restrained in the connecting groove 6, under the fit of the connecting groove 6 and the clamping plate 14, and the connecting groove 7 can only slide in the extending direction of the connecting groove 6 along the first direction. Be equipped with the connecting hole that is used for passing first screw rod 7 on the third fixed plate 4, the meshing nut on the first screw rod 7, the nut is located the one side that the third fixed plate 4 deviates from first fixed plate 3, makes the third fixed plate 4 be close to first fixed plate 3 through the nut when actually assembling to offset with first fixed plate 3, thereby realize the fixed of box 1 position through compressing tightly.

Because the groove width dimension of the connecting groove 6 is smaller than the dimension of the clamping plate 14 along the groove width direction, the clamping plate 14 cannot move into the fit clearance 13 through the connecting groove 6, the opening on the first fixing plate 3 in the scheme is used for moving the clamping plate 14 into the fit clearance 13, the opening is communicated with the connecting groove 6, when the first screw 7 is assembled with the box body 1, the clamping plate 14 is moved into the fit clearance 13 between the first fixing plate 3 and the box body 1 along the axial direction of the first screw 7, and the first screw 7 is moved into the connecting groove 6 through the communicating part of the opening and the connecting groove 6.

Preferably, the connecting groove 6 extends to the end of the first fixing plate 3 and is open at the end of the first fixing plate 3, wherein the fitting gap 13 likewise forms a through opening, since the first fixing plate 3 remains spaced apart from the back plate of the housing 1 at this end, i.e. the clamping plate 14 can be moved out of the through opening into the connecting groove 6 by the opening of the connecting groove 6 in the first direction, while the clamping plate 14 is moved into the fitting gap 13 via the through opening.

Preferably, the connection groove 6 extends to an end edge of the first fixing plate 3, thereby forming an opening.

In an alternative embodiment, the third fixing plate 4 comprises a fitting section and a fitting section, and in the first direction, the two fitting sections are respectively located at two ends of the fitting section, and each fitting section is provided with a connecting hole.

The middle part of laminating section is buckled towards one side of first fixed plate 3, and second fixed plate 5 is also buckled towards the direction that deviates from first fixed plate 3, and laminating section encloses with second fixed plate 5 and closes and form the cooperation region that is used for with stand or channel-section bar spare, and laminating section and the shape of buckling of second fixed plate 5 cooperate with the cross-section shape of stand or channel-section bar spare.

The laminating section is buckled towards one side of first fixed plate 3 and is formed the butt portion, when actual assembly, makes butt portion and first fixed plate 3 offset and compress tightly through the nut to realize the fixed of box 1 position. Two cooperation sections are located the both ends department of laminating section respectively, because the middle part of laminating section is buckled towards one side of first fixed plate 3 and is protruding to form the butt portion, therefore when the butt portion of laminating section and first fixed plate 3 contact, there is the clearance between the both ends of laminating section and the first fixed plate 3, and then there is the clearance between the cooperation section that is located laminating section both ends department respectively and first fixed plate 3, be equipped with a connecting hole on every cooperation section, pass connecting hole and the spread groove 6 on the first fixed plate 3 through first screw rod 7, mesh bolt and first screw rod 7 again in the one side that the cooperation section deviates from first fixed plate 3, promote the cooperation section so that with laminating section and the first fixed plate 3 butt between two spread grooves 6 and extrusion through the bolt.

Or, the two matching sections are respectively bent towards one side of the first fixing plate 3, and when in actual assembly, the matching sections are abutted against and pressed against the first fixing plate 3 at the corresponding connecting groove 6 through the nuts, so that the fixing of the position of the box body 1 is realized.

Two cooperation sections are located the both ends department of laminating section respectively, thereby because the middle part of laminating section is buckled the protrusion and is formed the cooperation region towards one side of first fixed plate 3, consequently, two cooperation sections are buckled towards one side of first fixed plate 3 respectively, when the terminal of cooperation section and first fixed plate 3 contact, there is the clearance between laminating section and the first fixed plate 3, be equipped with a connecting hole on every cooperation section, pass corresponding spread groove 6 on connecting hole and the first fixed plate 3 through first screw rod 7, again with bolt and first screw rod 7 meshing in one side that the cooperation section deviates from first fixed plate 3, compress tightly the cooperation section and first fixed plate 3 fixedly through the bolt.

In an alternative embodiment, the two ends of the attaching section, which are close to the mating section, are respectively provided with mating holes mating with the second screws 8, and the attaching section, the second fixing plate 5 and the two second screws 8 enclose a fixing area 9 for passing through the fixture 2.

The adjustment of the distance between the attaching section and the second fixing plate 5 can be realized by the cooperation of the second screw rod 8 and the nut. Preferably, the third fixing plate 4 is bent to form a fitting section and a mating section.

In an alternative embodiment, the cross section of the clamping plate 14 along the axial direction perpendicular to the first screw rod 7 is of a polygonal structure, two sides of the connecting groove 6 are respectively provided with a plate for forming a limiting part, the two plates are arranged in parallel along the first direction, and the clamping plate 14 is positioned between the two plates.

The joint board 14 is located between the plate of spread groove 6 both sides, the plate of both sides forms the slide structure that is parallel with spread groove 6, joint board 14 is located the slide structure, the slide structure can carry out the centre gripping to joint board 14, in order to avoid joint board 14 to take place to rotate along with first screw rod 7, in this scheme, be connected between first fixed plate 3 and the third fixed plate 4 and realize through first screw rod 7, specific first screw rod 7 is after accomplishing with first fixed plate 3 cooperation, pass the connecting hole on the third fixed plate 4, and retrain through the nut, when nut and first screw rod 7 cooperation, the spacing portion of spread groove 6 both sides, make first screw rod 7 keep fixed, thereby avoid when the nut rotates, need the operator to control first screw rod 7 avoid its rotation.

In an alternative embodiment, the cross section of the clamping plate 14 along the axial direction perpendicular to the first screw 7 is rectangular, the distance between the opposite wall surfaces of the two plates is larger than or equal to the dimension between the opposite end surfaces of the clamping plate 14 along the distance direction of the two plates, and the distance between the opposite wall surfaces of the two plates is smaller than the dimension of the clamping plate 14 along the diagonal direction.

The clamping plate 14 is located between two plates, preferably, the distance between the opposite wall surfaces of the two plates in the scheme is larger than the dimension between the opposite end surfaces of the clamping plate 14 along the distance direction of the two plates, that is, a gap exists between the clamping plate 14 and the two plates, so that the clamping plate 14 moves along with the first screw rod 7 in a slideway structure formed by the two plates.

The distance between the opposite wall surfaces of the two plates is smaller than the dimension of the clamping plate 14 in the diagonal direction, when the nut is matched with the first screw rod 7, the first screw rod 7 rotates along with the nut until the two opposite edge angle structures of the clamping plate 14 are abutted against the corresponding plates, so that the clamping plate 14 cannot continue to rotate along with the first screw rod 7.

In an alternative embodiment, the first fixing plate 3 is provided with a first plate 10, a second plate 11 and a third plate 12 which are sequentially connected, the first plate 10 and the third plate 12 are respectively fixedly matched with the box body 1, the connecting groove 6 is formed in the second plate 11, and the first plate 10, the second plate 11, the third plate 12 and the box body 1 are enclosed to form a matching gap 13.

In an alternative embodiment, the cross section of the clamping plate 14 along the axial direction perpendicular to the first screw 7 is rectangular, the distance between the opposite wall surfaces of the first plate 10 and the third plate 12 is larger than or equal to the dimension between the opposite end surfaces of the clamping plate 14 along the distance direction of the two plates, and the distance between the opposite wall surfaces of the first plate 10 and the third plate 12 is smaller than the dimension in the diagonal direction of the clamping plate 14.

The video box provided by the utility model comprises a plurality of components for supplying power to the camera and collecting signals, wherein the components are positioned in the box structure according to any one of the above.

It should be noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The utility model may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, last, and next, etc. do not denote any order. These words may be interpreted as names.

The above embodiments are only suitable for illustrating the present utility model, not for limiting the present utility model, and various changes and modifications may be made by one skilled in the relevant art without departing from the spirit and scope of the present utility model, and thus all equivalent technical solutions are also within the scope of the present utility model, which is defined by the claims.

Claims (10)

1. The utility model provides a case structure, its characterized in that, includes box (1) and a plurality of fixed subassembly, every fixed subassembly includes third fixed plate (4) and second fixed plate (5), third fixed plate (4) with box (1) are along first direction sliding fit, third fixed plate (4) with can dismantle the cooperation through two second screw rods (8) between second fixed plate (5), two second screw rods (8) are along first direction interval setting, third fixed plate (4) second fixed plate (5) and two second screw rods (8) enclose and close and form fixed region (9) that are used for passing fixture (2).

2. The box structure according to claim 1, wherein the box body (1) is provided with a connecting groove (6), the connecting groove (6) is arranged in a direction parallel to the first direction in an extending manner, and the third fixing plate (4) is connected with the connecting groove (6) through a first screw (7).

3. The box structure according to claim 2, characterized in that the fixing assembly further comprises a first fixing plate (3), the first fixing plate (3) is fixedly matched with the box body (1), a clamping plate (14) is arranged at one end, close to the first fixing plate (3), of the first screw rod (7), a fit gap (13) is arranged between the first fixing plate (3) and the box body (1), the clamping plate (14) is positioned in the fit gap (13), the groove width dimension of the connecting groove (6) is smaller than the dimension of the clamping plate (14) along the groove width direction, and an opening communicated with the connecting groove (6) and used for moving the clamping plate (14) into the fit gap (13) is arranged on the first fixing plate (3); limiting parts are arranged on two sides of the connecting groove (6) and are matched with the clamping plates (14) so as to prevent the first screw (7) from rotating; the third fixing plate (4) is provided with a connecting hole for penetrating through the first screw rod (7), the first screw rod (7) is meshed with a nut, and the third fixing plate (4) can be propped against the first fixing plate (3) under the action of the nut.

4. A tank construction according to claim 3, characterized in that the third fixing plate (4) comprises a mating section and a fitting section, two of the mating sections being located at each end of the fitting section in the first direction, one of the connecting holes being provided in each of the mating sections.

5. The box structure according to claim 4, characterized in that the two ends of the attaching section, which are close to the engaging section, are respectively provided with engaging holes engaging with the second screw (8), and the attaching section, the second fixing plate (5) and the two second screws (8) enclose a fixing area (9) for passing through the fixture (2).

6. A tank structure according to claim 3, characterized in that the cross section of the clamping plate (14) along the axial direction perpendicular to the first screw rod (7) is of a polygonal structure, two sides of the connecting groove (6) are respectively provided with a plate for forming the limiting part, two plates are arranged in parallel along the first direction, and the clamping plate (14) is positioned between the two plates.

7. The tank structure according to claim 6, wherein the joint plate (14) is rectangular in cross section perpendicular to the axial direction of the first screw (7), and a distance between opposite wall surfaces of the two plate members is larger than or equal to a dimension between opposite end surfaces of the joint plate (14) in the distance direction of the two plate members, and a distance between opposite wall surfaces of the two plate members is smaller than a dimension in the diagonal direction of the joint plate (14).

8. A box structure according to claim 3, characterized in that the first fixing plate (3) is provided with a first plate (10), a second plate (11) and a third plate (12) which are connected in sequence, the first plate (10) and the third plate (12) are respectively and fixedly matched with the box body (1), the connecting groove (6) is formed in the second plate (11), and the first plate (10), the second plate (11), the third plate (12) and the box body (1) are enclosed to form the matching gap (13).

9. The tank structure according to claim 8, wherein the joint plate (14) is rectangular in cross section in an axial direction perpendicular to the first screw (7), a distance between opposite wall surfaces of the first plate (10) and the third plate (12) is greater than or equal to a dimension between opposite end surfaces of the joint plate (14) in a distance direction of the two plates, and a distance between opposite wall surfaces of the first plate (10) and the third plate (12) is smaller than a dimension in a diagonal direction of the joint plate (14).

10. A video box comprising a number of components for powering and collecting signals from a camera, wherein the number of components are located within a box structure according to any one of claims 1-9.