CN217317623U - Panel equipment and fixing device thereof - Google Patents

Abstract

The utility model relates to a panel equipment and fixing device thereof. The fixing device comprises a bracket, a compression assembly, a reset piece and a rotating part; the compression assembly is arranged on the bracket and can move up and down relative to the bracket; the reset piece is used for driving the compression assembly to reset; the rotation portion is rotatable set up in on the support, the rotation portion is equipped with spacing portion, the one end of spacing portion is protruding than the other end in radial direction the rotation portion, the rotation portion with the pressurized component is connected, the rotation portion can be in the drive of pressurized component is rotatory down, thereby drives spacing portion is rotatory. The utility model discloses in, through this fixing device with equipment body fixed to the mounting on, it is good to have the dismouting convenience, characteristics that the suitability is strong.

Description

Panel equipment and fixing device thereof

Technical Field

The utility model relates to a panel equipment technical field, more specifically say, relate to a panel equipment and fixing device thereof.

Background

The panel products are widely applied to various places, and a fixing mechanism is usually adopted to fix the panel products on fixing parts, such as a car board, a desktop, a box part door switch and other scenes, so as to ensure the stability of the panel products in the using process.

In the prior art, the fixing mechanism is usually a screw for fixing the panel products, the fixing mode is adopted, the panel products and the fixing pieces are required to be correspondingly provided with threaded holes, the panel products and the fixing pieces can be installed by adopting an installing tool when the screw is fixed, more installing time is required when the number of the screws is large, and the panel products are not convenient to assemble and disassemble.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, a modified panel equipment and fixing device thereof is provided.

The utility model provides a technical scheme that its technical problem adopted is: constructing a fixation device comprising:

a support;

the compression assembly is arranged on the bracket and can move up and down relative to the bracket;

the resetting piece is used for driving the compression assembly to reset; and

the rotating part can be rotatably arranged on the support, the rotating part is provided with a limiting part, one end of the limiting part protrudes out of the rotating part in the radial direction than the other end of the limiting part, the rotating part is connected with the pressure bearing assembly, and the rotating part can rotate under the driving of the pressure bearing assembly, so that the limiting part is driven to rotate.

Preferably, the compression assembly comprises a compression part for compression and a rod body connected to two sides of the compression part, the rod body is close to the support through the compression part, and the reset part is arranged corresponding to the rod body and used for driving the rod body to reset.

Preferably, the rod body comprises a connecting part and an extending part which are axially arranged, the connecting part is connected with the pressed part, the size of the connecting part is larger than that of the extending part, and a through hole for the extending part to extend out is formed in the support;

the reset piece is a spring, is sleeved on the extension part and is limited between the connecting part and the bracket.

Preferably, the compression assembly further comprises two sleeves corresponding to the rod bodies on the two sides respectively, the sleeves are sleeved on the peripheries of the rod bodies, the size of each sleeve is larger than that of each rod body, and the sleeves are arranged on the supports;

the reset piece is arranged in the sleeve.

Preferably, the rotating portion includes two, two the rotating portion sets up respectively in two the outside of the body of rod, the rotating portion with the body of rod is connected.

Preferably, the rotating part is connected with the rod body through a connecting piece, and a first end of the connecting piece is connected to one side, close to the rotating part, of the rod body; the rotating part is provided with a rotating guide rail, and the first end of the connecting piece is arranged on the rotating guide rail in a sliding mode.

Preferably, the rotating guide rail circumferentially surrounds the rotating portion in a spiral shape.

Preferably, be equipped with the mounting groove in the rotation portion, the mounting groove radially runs through the rotation portion, just the mounting groove is located the rotation portion is kept away from the one end of support, spacing portion set up in the mounting groove.

Preferably, the rotating part is provided with a convex part for being mounted on a structure needing to be fixed, and the convex part is arranged at one end of the rotating part far away from the bracket.

Preferably, the pressed part is arranged in a step shape, a trapezoid shape or a curved surface, and the axial height of the end face of the pressed part close to one end of the connecting part relative to the bracket is larger than, equal to or smaller than the axial height of the end face of the rotating part far away from one end of the bracket relative to the bracket.

The utility model also provides a panel device, which comprises a device box body, a device control panel arranged on the device box body, a fixing part and any one of the fixing devices, wherein the fixing part is provided with an installation opening, and the sizes of the device control panel, the installation opening and the device box body are reduced in sequence;

the fixing piece is sleeved on the equipment box body through the mounting opening and is positioned at one end close to the equipment control panel; the bracket is arranged on the equipment box body, and the limiting part and the equipment control panel are respectively positioned at two ends of the fixing part; the protruding length of one end, protruding more than the limiting part, of the limiting part is larger than the interval between the rotating part and the fixing part, and the protruding length of the other end of the limiting part is smaller than the interval between the rotating part and the fixing part;

the limiting part can be driven by the compression assembly to rotate, and when the limiting part rotates to the end, which protrudes out, of the limiting part and corresponds to the interval, the fixing part and the equipment control panel are locked; when the limiting part rotates to the other end of the limiting part to correspond to the interval, the fixing part and the equipment control panel are unlocked.

Implement the utility model discloses a panel equipment and fixing device thereof has following beneficial effect:

when the fixing device is implemented, the fixing device is installed on the box body, the limiting part is positioned below the fixing piece, and when the protruding end of the limiting part faces one side of the edge of the installing opening of the fixing piece and tightly pushes against the fixing piece, the fixing piece and the control panel are locked into a whole; through pressing the pressurized subassembly for press the subassembly downward activity, thereby drive spacing portion rotatory, rotate to its other end towards one side at the installing port edge of mounting when spacing portion, because of this other end of spacing portion can not the tight mounting in top, thereby loosen mounting, unblock mounting and control panel.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a schematic view of a fastening device in a first state according to some embodiments of the present invention;

FIG. 2 is an exploded view of the fixture of FIG. 1;

FIG. 3 is a schematic structural view of the fastening device of FIG. 1 in a second state;

fig. 4 is a schematic structural view of a panel device in a locked state according to some embodiments of the present invention;

FIG. 5 is a schematic view of another angled configuration of the panel apparatus of FIG. 4;

fig. 6 is a schematic structural view of a panel device in an unlocked state according to some embodiments of the present invention;

FIG. 7 is a partial enlarged view of area A shown in FIG. 4;

FIG. 8 is a partial enlarged view of the area B shown in FIG. 5;

fig. 9 is a partially enlarged view of the region C shown in fig. 6.

In the drawing, 100. a fixing device, 1. a bracket, 11. a bottom part, 111. a through hole, 112. a first rotating groove, 12. a side part, 121. a first threaded hole, 2. a pressure receiving component, 21. a pressure receiving part, 22. a rod body, 221. a connecting part, 222. an extending part, 23. a sleeve, 231. a relief groove, 3. a resetting piece, 4. a rotating part, 41. a bulge, 42. a rotating guide rail, 421. a first end, 422. a second end, 43. a convex part, 44. a mounting groove, 45. a receiving table, 52. a second screw, 521. a head, 522. a rod part, 6. a connecting piece, 61. a first end, 62. a second end, 7. a limiting part, 71. a plug piece, 72. a limiting piece, 8. an equipment body, 81. an equipment box body, 82. an equipment control panel, 821. a pressing groove, 9. a fixing piece, 91. a mounting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, in conjunction with the examples and the accompanying drawings, is intended to illustrate the present invention in further detail, and the exemplary embodiments and the description thereof are only used for explaining the present invention, and are not intended to limit the present invention.

Fig. 1 shows a fixing device in some embodiments of the present invention, the fixing device 100 is suitable for a panel device, and is used to fix the panel device on a fixing member 9, where the fixing member 9 may be a car board, a desktop, a wall inclined plane, a box-like part door switch, and other scenes.

As shown in fig. 1 to 3, the fixing device 100 includes a bracket 1, a pressure-applied component 2, a restoring component 3 and a rotating part 4, wherein the pressure-applied component 2 is disposed on the bracket 1 and can move up and down relative to the bracket 1; the reset piece 3 is used for driving the pressed component 2 to reset; the rotatable setting of rotation portion 4 is on support 1, and rotation portion 4 is equipped with spacing portion 7, and the one end of spacing portion 7 is protruding rotation portion 4 than the other end on radial direction, and rotation portion 4 is connected with pressurized component 2, and rotation portion 4 can be rotatory under pressurized component 2's drive promptly to it is rotatory to drive spacing portion 7.

The bracket 1 may include a bottom 11 and sides 12, the bottom 11 being used to mount the components so that the components are integrated. The side portion 12 is adapted to be mounted to a panel apparatus, wherein the side portion 12 is adapted to be mounted to the panel apparatus by a mounting structure, which may include a first threaded hole 121 provided in the side portion 12 and a first screw for locking the side portion 12 to the panel apparatus via the first threaded hole 121.

Wherein, the bottom 11 is perpendicular to the side 12, the bottom 11 can be flat or step-shaped, and the side 12 can be flat. The bottom portion 11 and the side portion 12 may be an integral structure formed by an integral molding process. In other embodiments, the rack 1 may include only the bottom 11, and the bottom 11 may be used for mounting to the panel apparatus as well as the components.

The pressed component 2 is arranged on the bracket 1 and can move up and down relative to the bracket 1. Specifically, the compression assembly 2 includes a compression part 21, a rod 22 and a sleeve 23, and the compression part 21 may be stepped, that is, one end of the compression part 21 is smaller than the other end. The two rods 22 are respectively connected to two sides of the pressed portion 21, and the rods 22 are connected to the end of the pressed portion 21 with a larger size, that is, the size of the pressed portion 21 close to the end of the rod 22 is larger than the size of the other end of the pressed portion 21.

In other embodiments, the pressed portion 21 may have other shapes, for example, the pressed portion 21 has a trapezoidal shape, a curved shape, and the like. It is to be understood that the pressure receiving portion 21 is provided in such a shape as to fit with the equipment control panel 82 and abut against the equipment control panel 82. Of course, the pressed portion 21 may be provided in other shapes that can press against the device control panel 82, for example, in an irregular shape.

The sleeve 23 sets up on support 1, and the size of sleeve 23 is greater than the size of the body of rod 22 to the cover is located on the periphery of the body of rod 22, and the piece that resets 3 sets up in sleeve 23 for drive the body of rod 22 and reset. It will be appreciated that the sleeve 23 prevents the rod 22 from being misaligned during movement up and down relative to the base 11.

The rod body 22 includes a connecting portion 221 and an extending portion 222, the connecting portion 221 is connected to the pressed portion 21, and the size of the connecting portion 221 is larger than that of the extending portion 222. Specifically, the connection portion 221 may have a cylindrical shape, a cross section of which may be rectangular, and the protrusion portion 222 may have a cylindrical shape, and a radial dimension of the protrusion portion 222 is smaller than that of the connection portion 221. The bottom 11 of the bracket 1 is provided with a through hole 111 for the protrusion 222 to protrude, wherein the through hole 111 may be circular, and the diameter of the through hole 111 is larger than the diameter of the protrusion 222 and smaller than the radial dimension of the connection portion 221.

The restoring member 3 is a spring, the spring is sleeved on the protruding portion 222 through a through hole thereof, and the through hole of the spring is larger than the diameter of the protruding portion 222 and smaller than the radial dimension of the connecting portion 221 and the diameter of the through hole 111, so as to limit the spring between the connecting portion 221 and the bottom portion 11. Wherein the height of the sleeve 23 is greater than the length of the extension 222, the height of the spring in the relaxed state may be substantially equal to the length of the extension 222. It will be appreciated that in this embodiment, the sleeve 23 may not be provided and the spring on the extension 222 may also prevent misalignment.

In other embodiments, the connecting portion 221 has a cylindrical shape, and the cross section thereof may have other shapes than a rectangular shape, such as a circular shape, an oval shape, and the like; the protruding portion 222 may have a cylindrical shape, and the cross section thereof may have other shapes than a circular shape, such as an oval shape, a rectangular shape, and the like, as long as the radial dimension of the connecting portion 221 is larger than that of the protruding portion 222. The shape of the perforation 111 may be a shape that fits the protrusion 222. It will be appreciated that the shape of the through-hole of the spring, which is customized according to the shape of the protrusion 222, is preferably adapted to the shape of the protrusion 222.

In other embodiments, the rod 22 may only include the connecting portion 221, the protruding portion 222 is not required, the bottom 11 is not required to be provided with the through hole 111, and the restoring member 3 is disposed at an end of the connecting portion 221 close to the bottom 11, so as to achieve the up-and-down movement of the rod 22. In this embodiment, the sleeve 23 is provided, and the height of the sleeve 23 is greater than that of the reset member 3 and surrounds a portion of the outer circumference of the connecting portion 221 to prevent the connecting portion 221 from being misaligned during the up-and-down movement. Wherein, the reset piece 3 can be a spring or other components with compression reset function.

The rotating parts 4 comprise two rotating parts 4, the two rotating parts 4 are respectively arranged at the outer sides of the two rod bodies 22, the rotating parts 4 can be cylindrical, and one end of each rotating part, which is close to the bottom 11, is rotatably arranged on the bottom 11. Specifically, the end of the rotating portion 4 is provided with a cylindrical protrusion 41, the bottom portion 11 is provided with a first rotating groove 112 into which the protrusion 41 is fitted and rotatable, the first rotating groove 112 is circular, and the diameter of the first rotating groove 112 is slightly larger than that of the protrusion 41.

The rotating portion 4 is connected to the lever body 22 so as to rotate by the lever body 22. Specifically, the rotating portion 4 is connected to the connecting portion 221 by the connecting member 6, and the first end 61 of the connecting member 6 is connected to the side of the connecting portion 221 near the rotating portion 4. The rotating part 4 is provided with a rotating guide rail 42, and the second end 62 of the connecting piece 6 is arranged on the rotating guide rail 42 in a sliding way.

The rotating guide rail 42 may circumferentially surround the rotating portion 4 in a spiral shape, so that when the connecting portion 221 moves up and down, the second end 62 of the connecting member 6 slides along the rotating guide rail 42, thereby rotating the rotating portion 4. It will be understood that the length and shape of the rotation guide rail 42 may be determined according to the distance of the connection part 221 moving up and down and the range of rotation required for the rotation part 4. Wherein the rotating guide 42 may be a spiral section.

The link 6 may be provided in a cylindrical shape and the second end 62 of the link 6 may be provided in a hemispherical shape, the rotation guide rail 42 may be provided on the rotation part 4 in a groove shape, and the rotation guide rail 42 has a curved surface engaged with the second end 62 so that the second end 62 of the link 6 can smoothly slide along the rotation guide rail 42.

Wherein, the sleeve 23 is provided with a yielding groove 231 on a side corresponding to the connecting piece 6, the yielding groove 231 penetrates through the inner side and the outer side of the sleeve 23 on the axial length of the sleeve 23, and the opening size of the yielding groove 231 is larger than or slightly larger than the radial size of the connecting piece 6, so that when the connecting portion 221 moves downwards, the yielding groove 231 plays a role of preventing the sleeve 23 from interfering the connecting piece 6.

The limiting part 7 is arranged on the rotating part 4 and is driven by the rotating part 4 to rotate. Specifically, the rotating portion 4 is provided with a mounting groove 44, the mounting groove 44 radially penetrates through the rotating portion 4, and the limiting portion 7 is disposed in the mounting groove 44. The limiting part 7 comprises a plug connector 71 and a limiting piece 72, the radial size of the plug connector 71, the width of the mounting groove 44 and the radial size of the limiting piece 72 are sequentially increased, a second threaded hole is formed in one end, away from the limiting piece 72, of the plug connector 71, the radial size of the head 521 of the second screw 52 is larger than the width of the mounting groove 44, the rod part 522 of the second screw 52 is screwed in the second threaded hole of the plug connector 71, and the plug connector 71 is limited in the mounting groove 44.

The radial dimension of the rotating part 4 corresponding to the mounting groove 44 is smaller than that of other positions, so that a receiving platform 45 is formed between the edge of the mounting groove 44 and the side part 12 of the rotating part 4, and the thickness of the head 521 of the second screw 52 is approximately equal to the corresponding dimension of the corresponding receiving platform 45, so as to prevent the head 521 from protruding out of the rotating part 4 in the radial direction.

The size of the limiting piece 72 gradually decreases from the end close to the plug-in piece 71 to the other end, the limiting piece 72 and the plug-in piece 71 are in an arrow shape as a whole, the length of the plug-in piece 71 is equal to the radial size of the mounting groove 44, and the length of the limiting piece 72 is larger than the corresponding size of the corresponding accommodating platform 45, so that the limiting piece 72 protrudes out of the rotating part 4 in the radial direction. The end surface of the limiting member 72 far from the bottom 11 is disposed in a plane to fit with the fixing member 9.

The mounting groove 44 is located at an end of the turning part 4 remote from the bottom part 11 so that the rotation guide rail 42 can be provided on the turning part 4 over a wide range. The rotating rail 42 includes a first end 421 close to the bottom 11 and a second end 422 far from the bottom 11, the second end 422 corresponds to the mounting groove 44 in the axial direction of the rotating portion 4, and the second end 422 is located on one side of the mounting groove 44 close to the connecting portion 221. The head 521 of the second screw 52 is located on the same side as the side portion 12, and the stopper 72 points to a side facing away from the side portion 12. So that the stop 72 points to the side facing away from the side portion 12 when the second end 62 of the connecting element 6 is at the second end 422 of the rotation rail 42.

The rotating part 4 is provided with a protrusion 43, the protrusion 43 is located on the end surface of the rotating part 4 far from the end of the bottom part 11, and the protrusion 43 may be cylindrical for mounting to a structure to be fixed, such as an equipment control panel 82. The axial height of the pressure receiving portion 21 relative to the bottom portion 11 is greater than, equal to, or less than the axial height of the rotating portion 4 relative to the bottom portion 11. Specifically, the axial height of the end surface of the pressure receiving portion 21 close to the connecting portion 221 relative to the bottom portion 11 is substantially equal to the axial height of the end surface of the rotating portion 4 far from the bottom portion 11 relative to the bottom portion 11, and may be greater than, equal to, or less than the axial height of the rotating portion 4, so that the pressure receiving assembly 2 and the rotating portion 4 are mounted on the device control panel 82 through the pressure receiving portion 21 and the protruding portion 43, respectively.

The height of the convex portion 43 may be smaller than the thickness of the pressure receiving portion 21, and it can be understood that the height of the convex portion 43 may be smaller than the thickness of the pressure receiving portion 21 because the pressure receiving portion 21 needs to be exposed for pressing and the convex portion 43 only needs to perform a new connecting function. In other embodiments, the height of the convex portion 43 may be equal to or greater than the thickness of the pressed portion 21.

Fig. 4 to 6 illustrate a panel device according to some embodiments of the present invention, which is shown in fig. 4 to 9, and includes a device body 8, a fixing member 9, and the fixing device 100, wherein the fixing device 100 is used to fix the device body 8 to the fixing member 9, so as to ensure that the device body 8 is stable during use. The fixing part 9 can be a car board, a table top, a wall inclined plane, a box part door switch and other scenes.

The device body 8 includes a device box 81 and a device control panel 82 disposed on the device box 81, and the device control panel 82 is disposed at one end of the device box 81, that is, the device control panel 82 is disposed axially with the device box 81. As shown in fig. 5, the panel apparatus includes a first direction a and a second direction b, and the first direction a and the second direction b are taken as the length direction and the width direction of the panel apparatus, respectively. Wherein the length of the equipment control panel 82 may be greater than the length of the equipment cabinet 81.

The fixing member 9 is provided with an installation opening 91 for installation, and the sizes of the equipment control panel 82, the installation opening 91 and the equipment box 81 are reduced in sequence. Specifically, the dimensions herein may include dimensions in length and dimensions in width. In practical implementation, the fixing member 9 is sleeved on the equipment box 81 through the mounting opening 91, and the fixing member 9 is located at one end close to the equipment control panel 82, so that a mounting space is formed between the lower side of the fixing member 9 and the side portion 12 of the equipment box 81, and the side portion 12 of the bracket 1 is fixed on the equipment box 81 through a mounting structure.

Specifically, the side portion of the equipment box 81 is provided with a third screw hole corresponding to the first screw hole 121, and the fixing device 100 is fixed to the equipment box 81 by passing a first screw through the first screw hole 121 of the side portion 12 and the third screw hole of the equipment box 81. The distance between the bottom 11 and the fixing member 9 is equal to the distance between the end surface of the limiting member 72 far from the bottom 11 and the bottom 11. The distance between the rotating portion 4 and the fixing member 9 is larger than the thickness of the head 521 of the second screw 52 and smaller than the length of the stopper 72.

As shown in fig. 4, 5, 7 and 8, the fixing device 100 is fixed on the equipment cabinet 81, at this time, the limiting portion 7 and the control panel 82 are respectively located at two ends of the fixing member 9, a step-shaped pressing groove 821 corresponding to and matching with the pressed portion 21 is provided on the equipment control panel 82, and the pressing groove 821 penetrates through the upper and lower ends of the equipment control panel 82; the device control panel 82 is further provided with a second rotation groove corresponding to and matching with the protrusion 43, and the pressed portion 21 is embedded in the pressing groove 821 for pressing. The projection 43 is fitted in the second turning groove and is rotatable in the second turning groove.

As shown in fig. 1, 4, 5, 7 and 8, in a natural state, that is, when the spring is in a relaxed (reset) position, the limiting member 72 corresponds to the gap between the rotating portion 4 and the fixing member 9, and the limiting member 72 is attached to the fixing member 9, so that under the tension of the spring, the limiting member 72 abuts against the fixing member 9, thereby locking the fixing member 9 and the device control panel 82.

As shown in fig. 3, 6 and 9, when the pressed portion 21 is pressed, the connecting portion 221 moves downward, the second end 62 of the connecting member 6 drives the rotating portion 4 to rotate, so as to drive the limiting member 72 to rotate, when the limiting member 72 rotates 180 degrees, the limiting member 72 points to the side portion 12, that is, the head 521 of the second screw 52 corresponds to the space between the rotating portion 4 and the fixing member 9, at this time, the limiting member 72 cannot interfere with the fixing member 9, so as to release the fixing member 9 and unlock the fixing member 9 and the device control panel 82. It is understood that the unlocking can be achieved as long as the stopper 72 is rotated to a position not interfering with the fixing member 9, and is not limited to the rotation of 180 degrees.

In other embodiments, the width of the equipment control panel 82 may be greater than the width of the equipment cabinet 81, and the fixing device 100 may lock the fixing member 9 with the equipment control panel 82 in the second direction b.

It is understood that a panel apparatus may include a plurality of fixing devices 100, and the plurality of fixing devices 100 may be fixed in the length direction a and/or the width direction b.

In other embodiments, the fixture 100 may be mounted to the equipment cabinet 81 by removable fastening means other than screw fastening, such as snapping or the like. And can also be fixed in a non-detachable mode such as welding, rivets and the like.

It can be understood that the fixing device 100 is applicable to equipment box products and cabinet products besides the equipment body 8.

The utility model discloses in, can realize installation and the dismantlement of equipment body 8 on mounting 9 through the mode of pressing, the convenience is good, effectively improve equipment body 8's dismouting efficiency. And the fixing device 100 can be used for adapting to fixing pieces 9 with different thicknesses, and has strong applicability.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (11)

1. A fixation device, comprising:

a support (1);

the compression component (2) is arranged on the bracket (1) and can move up and down relative to the bracket (1);

the resetting piece (3) is used for driving the pressed component (2) to reset; and

rotation portion (4), rotatable set up in on support (1), rotation portion (4) are equipped with spacing portion (7), the one end of spacing portion (7) is more the other end and is evaginated in radial direction rotation portion (4), rotation portion (4) with pressurized component (2) are connected, rotation portion (4) can be rotatory under the drive of pressurized component (2), thereby drive spacing portion (7) are rotatory.

2. The fixing device according to claim 1, wherein the compression assembly (2) comprises a compression portion (21) for compression and a rod (22) connected to two sides of the compression portion (21), the rod (22) is closer to the bracket (1) than the compression portion (21), and the reset member (3) is disposed corresponding to the rod (22) and used for driving the rod (22) to reset.

3. The fixing device according to claim 2, wherein the rod body (22) comprises a connecting portion (221) and an extending portion (222) which are axially arranged, the connecting portion (221) is connected with the pressed portion (21), the size of the connecting portion (221) is larger than that of the extending portion (222), and a through hole (111) for the extending portion (222) to extend out is formed in the bracket (1);

the reset piece (3) is a spring, and the reset piece (3) is sleeved on the extending part (222) and limited between the connecting part (221) and the bracket (1).

4. A fixture according to claim 2 or 3, wherein the compression assembly (2) further comprises two sleeves (23) corresponding to the rods (22) on both sides, respectively, the sleeves (23) are fitted over the outer circumference of the rods (22), the size of the sleeves (23) is larger than that of the rods (22), and the sleeves (23) are provided on the bracket (1);

the reset piece (3) is arranged in the sleeve (23).

5. A fixing device according to claim 2 or 3, wherein the number of the rotating portions (4) is two, the two rotating portions (4) are respectively disposed outside the two rod bodies (22), and the rotating portions (4) are connected to the rod bodies (22).

6. A fixation device according to claim 5, wherein the rotary part (4) is connected to the rod (22) by means of a connecting piece (6), a first end (61) of the connecting piece (6) being connected to the rod (22) on a side thereof adjacent to the rotary part (4); the rotating part (4) is provided with a rotating guide rail (42), and the second end (62) of the connecting piece (6) is arranged on the rotating guide rail (42) in a sliding mode.

7. A fixture according to claim 6, characterised in that the rotating guide (42) is helically circumferentially wound around the rotor (4).

8. Fixing device according to claim 1, characterized in that a mounting groove (44) is provided on the rotating part (4), the mounting groove (44) radially penetrates the rotating part (4), and the mounting groove (44) is located at an end of the rotating part (4) away from the bracket (1), the limiting part (7) is arranged in the mounting groove (44).

9. A fixing device according to claim 1, characterized in that the rotating part (4) is provided with a protrusion (43) for mounting on a structure to be fixed, which protrusion (43) is provided at the end of the rotating part (4) remote from the bracket (1).

10. The fixing device according to claim 3, wherein the pressed part (21) is arranged in a step shape, a trapezoid shape or a curved surface, and the axial height of the end face of the pressed part (21) close to the connecting part (221) relative to the bracket (1) is greater than, equal to or less than the axial height of the end face of the rotating part (4) far away from the bracket (1) relative to the bracket (1).

11. A panel apparatus, comprising an apparatus box (81), an apparatus control panel (82) provided on the apparatus box (81), a fixing member (9), and the fixing device (100) of any one of claims 1 to 10, wherein the fixing member (9) is provided with a mounting opening (91), and the apparatus control panel (82), the mounting opening (91), and the apparatus box (81) are reduced in size in this order;

the fixing piece (9) is sleeved on the equipment box body (81) through the mounting opening (91) and is positioned at one end close to the equipment control panel (82); the bracket (1) is arranged on the equipment box body (81), and the limiting part (7) and the equipment control panel (82) are respectively positioned at two ends of the fixing part (9); the protruding length of one end, protruding out, of the limiting part (7) is larger than the interval between the rotating part (4) and the fixing part (9), and the protruding length of the other end of the limiting part (7) is smaller than the interval between the rotating part (4) and the fixing part (9);

the limiting part (7) can be driven by the pressed component (2) to rotate, and when the limiting part (7) rotates to enable the protruding end of the limiting part to correspond to the gap, the fixing part (9) and the equipment control panel (82) are locked; when the limiting part (7) rotates to the other end to correspond to the interval, the fixing part (9) and the equipment control panel (82) are unlocked.

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