CN218450814U

CN218450814U - Casing device with internal hidden door lock device and paper outlet machine

Info

Publication number: CN218450814U
Application number: CN202221671323.XU
Authority: CN
Inventors: 韩华军; 王虎成
Original assignee: Ningbo Zhi Electrical Technology Co ltd
Current assignee: Ningbo Zhi Electrical Technology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2023-02-03
Anticipated expiration: 2032-06-29

Abstract

The present disclosure relates to a casing device and a paper discharging machine with an internal hidden door lock device, the casing device includes: a top cover provided with a through mounting hole; the locking assembly comprises a fixed seat, a knob, a locking frame and an elastic piece, and part of the knob penetrates out of the top cover from the mounting hole. The fixing seat is provided with an anti-rotation hole and an arc-shaped hole communicated with the anti-rotation hole, and the locking frame is provided with an anti-rotation part. The rotation preventing portion rotates and slides relative to the fixing base to be in a locking posture or an unlocking posture. The locking assembly is mounted to the top cover to form a portion of the housing assembly, improving the overall aesthetics of the housing assembly. Wherein, locking frame cooperation knob rotates or locks to realize opening and locking of top cap cooperation base, operation experience is good. The locking assembly is arranged in a knob shape, the locking frame is hidden in the knob to realize the rotation posture control of the knob, and the operation safety is good.

Description

Casing device with internal hidden door lock device and paper outlet machine

Technical Field

The utility model relates to a go out paper machine technical field, especially relate to a shell device and a paper machine of going out with interior hidden door lock device.

Background

The paper outlet machine is arranged in places such as markets, restaurants and toilets, and the paper outlet machine can be used for sensing and then outputting paper when a user needs to output paper, so that the user can use the paper outlet machine conveniently. After the roll paper in the paper discharging machine is used up, an operator needs to open the casing of the paper discharging machine to replace the new roll paper.

Chinese patent CN215305396U discloses an intelligent tissue machine, which comprises a housing, an inner seat, a paper outlet machine core, a main control circuit board and at least one antenna; the outer shell comprises a rear cover and a front cover, an outer shell inner cavity capable of being opened and closed is formed between the front cover and the rear cover, and a roll paper mounting column is arranged on the rear wall of the rear cover in a protruding mode forwards; the inner seat is arranged in the inner cavity of the shell and is positioned below the roll paper mounting column; the paper outlet machine core and the main control circuit board are arranged in the inner seat, and the main control circuit board is electrically connected with the paper outlet machine core; the antenna is arranged in the inner cavity of the shell, is positioned on the side of the roll paper mounting column and is electrically connected with the main control circuit board.

The shell comprises a rear cover and a front cover, and the front cover needs to be opened in the process of replacing the roll paper and is folded after the replacement is completed. In order to avoid the misoperation of a user for opening the front cover, a lockset is arranged between the rear cover and the front cover. There is a key locker structure in a lateral direction to lock the rear cover and the front cover as in the specification and the drawings of the above patent publication. However, the existing key locking structure is independently arranged, which not only affects the shape and the aesthetic degree of the paper dispenser, but also the key locking structure cannot participate in the components of the housing, and the influence on the shape and the use experience of the housing is small, so that improvement is needed.

Disclosure of Invention

In order to overcome the problems in the related art, the embodiments of the present disclosure provide a housing device with an internal hidden door lock device and a paper dispenser.

According to a first aspect of an embodiment of the present disclosure, there is provided a housing device with an concealed door lock device, including:

a top cover provided with a through mounting hole;

the locking assembly comprises a fixed seat fixed on the top cover, a knob rotatably connected to the fixed seat, a locking frame movably inserted in the knob, and an elastic piece, two ends of the elastic piece are respectively and elastically abutted against the locking frame and the fixed seat, and part of the knob penetrates out of the top cover from the mounting hole;

the locking frame is provided with an anti-rotation part which is eccentrically arranged relative to the rotation axis of the knob and moves along the direction parallel to the rotation axis of the knob;

the anti-rotation part rotates and slides relative to the fixed seat to be in a locking posture or an unlocking posture, wherein the locking posture is that the anti-rotation part is inserted in the anti-rotation hole and limited with the anti-rotation hole, and the knob is clamped with the locking frame;

the unlocking gesture is that the rotation preventing part penetrates out of the rotation preventing hole and is hooked on the peripheral wall of the fixing seat, and the knob is rotatably connected to the locking frame.

As preferred, the knob disposes the stand pipe and certainly at least one draw-in groove that the stand pipe end is sunken, the stand pipe is around regional formation to be run through the sliding hole of knob, locking frame rotatable coupling in the sliding hole, the periphery wall of locking frame dispose with draw-in groove assorted joint boss, the joint boss is in prevent that the portion of changeing is in the locking gesture is buckled the draw-in groove.

Preferably, the knob further comprises at least one limiting boss protruding from the local part of the tail end of the guide pipe, the limiting boss and the clamping groove are arranged at intervals, and the limiting boss is located on a rotating path of the clamping boss.

Preferably, the locking bracket includes a cylindrical body portion and a cylindrical extension rib protruding from the body portion, and the rotation preventing portion is bent with respect to a distal end of the extension rib.

Preferably, the locking bracket includes a receiving portion recessed from one end of the cylinder portion and a keyhole recessed from the other end of the cylinder portion, the extension rib protrudes from the cylinder portion and is located at one end of the receiving portion, and at least a part of the elastic member is located in the receiving portion.

Preferably, the fixing seat comprises a main body part and two or more connecting convex ribs partially protruding from the outer peripheral wall of the main body part, and the connecting convex ribs are fixedly locked on the top cover.

Preferably, the top cover comprises a housing and a transparent ring fixed on the housing, the mounting hole is arranged on the transparent ring, and the knob is rotatably connected to the transparent ring.

Preferably, the knob comprises a knob frame and a decorative ring sleeved on the knob frame, and the knob frame is rotatably connected with the fixed seat.

Preferably, the knob is provided with a rotary buckle part penetrating through the fixed seat, the shell device further comprises a base which is pivotally connected to the top cover, the base comprises an accommodating cavity and a locking seat protruding from the inner side wall of the accommodating cavity, and the locking seat comprises a locking position and an unlocking position; when the top cover and the base are mutually folded and the rotation preventing part is in an unlocking posture, the rotation preventing part is switched between the locking position and the unlocking position; the rotation-preventing part is fixedly locked at the lock catch position when the rotation-preventing part is in the locking posture.

The utility model also discloses a go out paper machine, reach as above including paper cutting device, induction system casing device, the base is provided with the exit slot, the paper cutting device is located in the base, induction system is located the base is close to one side of exit slot.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the locking assembly is mounted to the top cover to form a portion of the housing assembly, improving the overall aesthetics of the housing assembly. Wherein, locking frame cooperation knob rotates or locks to realize opening and locking of top cap cooperation base, operation experience is good. The locking assembly is arranged in a knob shape, the locking frame is hidden in the knob to realize the rotation posture control of the knob, and the operation safety is good.

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 disclosure.

Drawings

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

Fig. 1 is a partially cross-sectional structural schematic view of a housing device in a sheet discharge machine according to an exemplary embodiment.

Fig. 2 is a schematic structural view, partially in section, of the case device in an open state of the sheet discharging machine according to an exemplary embodiment.

Fig. 3 is a schematic diagram illustrating an exploded structure of a housing arrangement according to an exemplary embodiment.

FIG. 4 is an exploded view of the locking assembly shown in accordance with an exemplary embodiment.

FIG. 5 is a schematic diagram illustrating a structure of a locking assembly according to an exemplary embodiment.

FIG. 6 is a schematic diagram of a knob structure according to an exemplary embodiment.

FIG. 7 is a schematic diagram illustrating a configuration of a locking frame according to an exemplary embodiment.

In the figures, a top cover 10; a housing 11; a transparent ring 12; mounting holes 121; a locking assembly 20; a fixed base 21; an anti-rotation hole 211; an arcuate aperture 212; a barrier rib 213; a main body portion 214; a connecting rib 215; a limiting convex rib 216; a positioning tube 217; a knob 22; a guide tube 221; a card slot 222; a limit boss 223; a turnbuckle portion 224; a barb 225; a knob holder 226; a decorative ring 227; a locking frame 23; a rotation preventing portion 231; a clamping boss 232; a cylindrical portion 233; the accommodating portion 234; an extension rib 235; a key hole 236; an elastic member 24; a base 30; a locking seat 31.

Detailed Description

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

As shown in fig. 1 to 3, the present disclosure provides a housing assembly with an inner hidden door lock device, including a top cover 10 having a thin-wall structure and a locking assembly 20 mounted on the top cover 10, wherein the top cover 10 is provided with a mounting hole 121 therethrough, and the locking assembly 20 is mounted on the mounting hole 121 in an inserting manner. Further, the housing device further includes a base 30 pivotally connected to the top cover 10, and the base 30 is folded with the top cover 10 to form a receiving space. The top cover 10 and the base 30 are configured as thin-walled structural members, wherein the base 30 includes a receiving cavity and a locking seat 31 protruding from an inner sidewall of the receiving cavity, the locking seat 31 includes a locking position and an unlocking position, and the locking seat 31 cooperates with the locking assembly 20 to enable the locking assembly 20 to lock the top cover 10 to the base 30. Preferably, a torsion spring is installed on the pivoting shaft of the base 30 and the top cover 10, and the top cover 10 maintains an unfolding tendency by an elastic force of the torsion spring.

The locking assembly 20 locks the top cover 10 to the base 30. Preferably, the locking assembly 20 includes a fixing base 21 fixed to the top cover 10, a knob 22 rotatably connected to the fixing base 21, a locking bracket 23 movably inserted into the knob 22, and an elastic member 24 having two ends elastically abutting against the locking bracket 23 and the fixing base 21, respectively. The locking shelf 23 abuts against the knob 22 under the elastic pressing force of the elastic member 24 to maintain the tight connection with the knob 22. When the locking frame 23 overcomes the elastic force of the elastic member 24 under the action of external force, the locking frame 23 slides linearly towards the direction of the fixed seat 21 and can rotate relative to the fixed seat 21 after being separated from the clamping position of the knob 22, so that the locking frame 23 is movably inserted into the knob 22.

The fixing seat 21 is installed on the inner side of the top cover 10, and part of the knob 22 penetrates out of the top cover 10 from the installation hole 121. The outer peripheral surface of the knob 22 and the hole wall of the mounting hole 121 are matched with each other to keep the flexibility of rotation and keep the rotational damping force, so that the rotational hand feeling experience of a user is improved. For example, the clearance between the outer peripheral surface of the knob 22 and the wall of the mounting hole 121 is small to improve the smoothness of the rotation range of the knob 22. The outer peripheral wall of the knob 22 is provided with a damping rib which slightly presses the hole wall of the mounting hole 121, so that the mounting position of the knob 22 can be maintained, and the rotational damping force can be maintained.

The fixing base 21 is provided with an anti-rotation hole 211 and an arc-shaped hole 212 communicated with the anti-rotation hole 211, and the center line of the arc-shaped hole 212 is overlapped with the center line of the knob 22. Specifically, the arc-shaped hole 212 is an arc-shaped hole structure, the anti-rotation hole 211 is located at one end of the arc-shaped hole 212, and the aperture of the anti-rotation hole 211 is larger than the size of the arc-shaped hole 212. Preferably, the rotation preventing hole 211 is configured as a square hole or a special-shaped hole.

The lock bracket 23 is provided with a rotation preventing portion 231, and the rotation preventing portion 231 is eccentrically disposed with respect to the rotational axis of the knob 22 and moves in a direction parallel to the rotational axis of the knob 22. The rotation preventing portion 231 is configured as a rib structure, which is inserted through the rotation preventing hole 211 or the arc hole 212. The rotation preventing portion 231 rotates and slides relative to the fixing base 21 to be in a locking posture or an unlocking posture. Specifically, the locking posture is that the rotation preventing portion 231 is inserted into the rotation preventing hole 211 and is mutually limited with the rotation preventing hole 211, and the knob 22 is clamped with the locking frame 23, so that the knob 22 cannot rotate, that is, one end of the locking frame 23 is mutually limited with the fixing seat 21 to prevent the locking frame 23 from rotating, and the other end of the locking frame 23 is mutually clamped with the knob 22 to prevent the knob 22 from rotating. Specifically, when the rotation preventing portion 231 is inserted into the rotation preventing hole 211, the outer peripheral wall of the rotation preventing portion 231 and the hole wall of the rotation preventing hole 211 are mutually limited, the locking bracket 23 cannot rotate relative to the fixing base 21, the knob 22 and the locking bracket 23 are mutually locked, and the knob 22 cannot rotate to be in a locking posture.

In the unlocking posture, the rotation-preventing portion 231 penetrates through the rotation-preventing hole 211 and is hooked to the outer peripheral wall of the fixing base 21, and the knob 22 is rotatably connected to the locking frame 23. Specifically, the locking frame 23 is pushed by the key to overcome the elastic force of the elastic element 24 and then is rotated toward the fixing seat 21, so that the rotation preventing portion 231 is hooked on the outer peripheral wall of the fixing seat 21, the rotation preventing portion 231 is separated from the rotation preventing hole 211, the clamping portion of the knob 22 and the locking frame 23 is separated to unlock the locking state, the knob 22 can be rotated to unlock the base 30 by the knob 22, and the top cover 10 can be rotated to open the locking state.

The knob 22 is movably inserted into the locking frame 23, and the locking frame 23 is matched with the fixed seat 21, so that the knob 22 is controlled to rotate or be locked through the clutch of the locking frame 23. The knob 22 is provided with a guide tube 221 and at least one clamping groove 22 recessed from the end of the guide tube 221, and a sliding hole penetrating through the knob 22 is formed in the area surrounded by the guide tube 221. The center line of the sliding hole coincides with the rotation center line of the knob 22, and the locking frame 23 is rotatably connected to the sliding hole, so that the locking frame 23 can slide along the center line direction of the sliding hole and can rotate relative to the sliding hole.

The guide tube 221 has a tubular shape to extend the fitting dimension of the locking bracket 23, and the catching groove 22 is formed at the end of the guide tube 221 to form a groove structure. Preferably, the number of the clamping grooves 22 is two, and the two clamping grooves 22 are symmetrically arranged to improve the stress stability. Correspondingly, the peripheral wall of the locking frame 23 is provided with a clamping boss 232 matched with the clamping groove 22, and the clamping boss 232 is locked in the locking posture at the rotation preventing part 231 and is buckled into the clamping groove 22. The snap boss 232 is a projection structure formed by partially projecting from the outer circumferential surface of the locking frame 23, and preferably, the snap boss 232 is configured in a rectangular block shape or a cylindrical shape. The engaging protrusion 232 is engaged with the engaging groove 22, so that the locking bracket 23 cannot rotate relative to the knob 22, and when the rotation-preventing portion 231 of the locking bracket 23 and the rotation-preventing hole 211 are in a mutually limited locking posture, neither the knob 22 nor the locking bracket 23 can rotate relative to the fixing base 21.

Further, the knob 22 further includes at least one limiting boss 223 partially protruding from the end of the guide tube 221, the limiting boss 223 is spaced apart from the locking groove 22, wherein the limiting boss 223 is on the rotation path of the locking boss 232. Spacing boss 223 is used for injecing the biggest turned angle of joint boss 232, specifically, the portion 231 that prevents that locking frame 23 from hooking in the periphery wall of fixing base 21 under the unblock gesture to prevent that portion 231 and prevent that rotation hole 211 misplaces, so that joint boss 232 breaks away from draw-in groove 22, correspondingly, joint boss 232 is in fixed position. When the knob 22 rotates, the limiting boss 223 rotates along with the knob 22 until abutting against the clamping boss 232, so that the maximum rotation angle is determined, and the positioning effect is good.

In one embodiment, the locking bracket 23 includes a cylindrical body 233 and a cylindrical extension rib 235 protruding from the body 233, and the rotation preventing portion 231 is bent with respect to an end of the extension rib 235. The cylinder portion 233 is rotatable relative to the slide hole and linearly reciprocally movable in the axial direction of the slide hole. The elastic member 24 abuts against the column portion 233, so that the column portion 233 keeps abutting against the elastic pre-tightening force of the knob 22, and the automatic resetting effect is good. The extension rib 235 is a rib structure and is inserted into the rotation-preventing hole 211 or the arc-shaped hole 212 to adjust the position of the rotation-preventing portion 231. Wherein the rotation preventing portion 231 is bent with respect to the extension rib 235, thereby constituting a bent barb 225 structure. When the rotation-preventing portion 231 is located in the rotation-preventing hole 211, the extension rib 235 and the column portion 233 abut against the knob 22 under the elastic force of the elastic member 24. When the locking frame 23 is pressed by external force to move against the elastic force of the elastic member 24, the rotation-preventing portion 231 penetrates through the rotation-preventing hole 211, and the extension rib 235 rotates along with the locking frame 23, so that the rotation-preventing portion 231 is hooked on the outer circumferential wall of the fixing base 21. The clamping bosses 232 protrude from the column 233 and are symmetrically disposed to improve the stability of rotation.

Further, the locking bracket 23 includes a receiving portion 234 recessed from one end of the cylinder portion 233 and a key hole 238 recessed from the other end of the cylinder portion 233, a rotation preventing portion 231 protruding from the cylinder portion 233 and located at one end of the receiving portion 234, and at least a portion of the elastic member 24 is located in the receiving portion 234. The receiving portion 234 is a groove structure for receiving the elastic member 24, so that a part of the elastic member 24 is located in the locking frame 23, the installation position is stable, and the transmission direction of the elastic force is stable. Preferably, a positioning tube 217 is formed to protrude from a surface of the fixing base 21, and the positioning tube 217 is configured to receive the other end of the elastic member 24 so as to position both ends of the elastic member 24. Alternatively, the elastic member 24 is sleeved on the positioning tube 217, so that two ends of the elastic member 24 are positioned.

A key hole 238 is formed opposite to the receiving portion 234, and the key hole 238 is provided with at least one rotation surface, and a key is inserted into the key hole 238 such that the key and the rotation surface are engaged with each other to drive the locking frame 23 to rotate. Preferably, the keyhole 238 is configured as a triangular groove, a quadrangular groove, or other groove configurations.

The fixing base 21 is fixed to the top cover 10, so that the structure and shape of the top cover 10 can be designed independently. The knob 22 and the locking bracket 23 are connected to the fixing base 21 and integrally assembled to the top cover 10 in combination with the fixing base 21. The fixing base 21 includes a main body 214 and two or more connecting ribs 215 protruding from a part of an outer peripheral wall of the main body 214, the anti-rotation holes 211 and the arc-shaped holes 212 penetrate through the main body 214, and the connecting ribs 215 are locked to the top cover 10. The main body 214 is positioned in the middle of the fixing seat 21, and the connecting rib 215 partially protrudes from the edge of the main body 214 and is connected to the top cover 10 by a fastener.

Further, the fixing base 21 is provided with a blocking rib 213, and the blocking rib 213 is located at the edge of the intersection of the rotation-preventing hole 211 and the arc-shaped hole 212 and exceeds the surface of the fixing base 21. The anti-rotation ribs protrude out of the surface of the main body portion 214, and the anti-rotation portions 231 exceed the surface of the main body portion 214 and then need to cross over the blocking ribs 213, so that the anti-rotation holes 211 and the arc-shaped holes 212 can be switched, and therefore misoperation can be avoided.

Further, three or more limiting convex ribs 216 are arranged on one side of the main body portion 214, wherein the three or more limiting convex ribs 216 are protruded and distributed at intervals, and the three or more limiting convex ribs 216 surround the annular area. The knob 22 is located in the annular region, and the outer peripheral wall of the knob 22 and the limit rib 216 are mutually limited, so that the knob 22 can maintain the corresponding damping force and the smooth rotation. The knob 22 is limited by the rib-shaped limiting ribs 216, and the knob 22 can have corresponding rotational flexibility and elastic movement space.

Preferably, the top cover 10 includes a housing 11 and a transparent ring 12 fixed to the housing 11, the mounting hole 121 is formed in the transparent ring 12, and the knob 22 is rotatably coupled to the transparent ring 12. The transparent ring 12 is made of a transparent material to facilitate the user to observe the inside of the top cover 10. A transparent ring 12 extends through the housing 11, part of the mount being defined within the transparent ring 12. Specifically, the middle portion of the transparent ring 12 is provided with a through fitting hole, and the main body portion 214 is located inside the transparent ring 12 and in the extending direction of the transfer hole. The knob 22 extends through the mounting hole and the body portion 214 cooperates with the transparent ring 12 to define the knob 22.

Preferably, the knob 22 includes a knob frame 226236 and a decoration ring 227237 sleeved on the knob frame 226236, and the knob frame 226236 is rotatably connected to the fixing base 21. The outer peripheral wall of the decoration ring 227237 has a decorative structure, for example, the outer peripheral wall of the decoration ring 227237 may be provided with an outer surface treatment such as a chromium plating layer, a PU layer, a spray coating layer, etc., to improve the aesthetic appearance and the smoothness.

On the basis of the above embodiment, the knob 22 is provided with the rotation buckling portion 224 penetrating through the fixing seat 21, wherein when the top cover 10 and the base 30 are folded together and the rotation preventing portion 231 is in the unlocking posture, the rotation buckling portion 224 is switched between the locking position and the unlocking position; the rotation-preventing portion 231 is locked at the locking position when the rotation-preventing portion 224 is in the locking posture.

The turnbuckle 224 protrudes from the spin button frame 226236 to form a cantilever structure. The end of the knob 22 is provided with a barb 225, and when the top cover 10 and the base 30 are folded, the barb 225 faces the locking seat 31 of the base 30. The knob 22 is rotated to hook the barb 225 to the locking seat 31, thereby locking the top cover 10 and the base 30 together.

The housing device disclosed in the above embodiment is applied to a paper discharging machine, wherein the paper discharging machine includes a paper cutting device, a sensing device and the housing device disclosed in the above embodiment, the base 30 is provided with a paper discharging opening, the paper cutting device is located in the base 30, and the sensing device is located on one side of the base 30 close to the paper discharging opening. The paper dispenser is provided with the knob 22 to control the relative opening of the top cover 10 and the base 30, so that the overall attractiveness is high, and the operation is convenient. The locking frame 23 is hidden in the knob 22, has little influence on the appearance, can control whether the knob 22 rotates or not, and has ingenious structure. Preferably, the paper cutting device automatically cuts the roll paper placed in the shell device after the sensing device detects a paper instruction of a user, so that the cutting effect is good, and paper is saved.

Other embodiments of the disclosure 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 disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure 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 present disclosure is limited only by the appended claims.

Claims

1. A housing assembly having an internal concealed door lock assembly, comprising:

a top cover provided with a through mounting hole;

2. The shell device of claim 1, wherein the knob is configured with a guide tube and at least one clamping groove recessed from a terminal of the guide tube, a sliding hole penetrating through the knob is formed in an area surrounded by the guide tube, the locking frame is rotatably connected to the sliding hole, a clamping boss matched with the clamping groove is configured on the peripheral wall of the locking frame, and the clamping boss is buckled into the clamping groove in the locking posture at the rotation prevention portion.

3. The housing apparatus of claim 2, wherein the knob further comprises at least one limiting boss protruding from a portion of the end of the guide tube, the limiting boss being spaced apart from the engaging groove, wherein the limiting boss is located on a rotation path of the engaging boss.

4. The housing device of claim 1, wherein the locking bracket includes a cylindrical column portion and a cylindrical extension rib protruding from the column portion, and the rotation preventing portion is bent with respect to a distal end of the extension rib.

5. The housing arrangement of claim 4 wherein the locking bracket includes a receptacle recessed from one end of the post and a keyhole recessed from the other end of the post, the elongated rib protruding from the post at one end of the receptacle, and at least a portion of the resilient member being located in the receptacle.

6. The housing device of claim 1, wherein the fixing base comprises a main body and two or more connecting ribs partially protruding from an outer peripheral wall of the main body, and the connecting ribs are locked to the top cover.

7. The housing arrangement of claim 1, wherein the top cover includes a housing and a transparent ring secured to the housing, the mounting hole being disposed in the transparent ring, and the knob being rotatably coupled to the transparent ring.

8. The shell device of claim 1, wherein the knob comprises a knob frame and a decoration ring sleeved on the knob frame, and the knob frame is rotatably connected to the fixing seat.

9. The housing assembly of any one of claims 1 to 8, wherein the knob is provided with a rotary fastening portion extending out of the fixing base, the housing assembly further comprises a base pivotally connected to the top cover, the base comprises a receiving cavity and a locking base protruding from an inner sidewall of the receiving cavity, and the locking base comprises a fastening position and an unlocking position; when the top cover and the base are mutually folded and the rotation preventing part is in an unlocking posture, the rotation preventing part is switched between the locking position and the unlocking position; the rotation-preventing part is fixedly locked at the lock catch position when the rotation-preventing part is in the locking posture.

10. A paper discharging machine, comprising a paper cutting device, a sensing device and a shell device as claimed in claim 9, wherein the base is provided with a paper outlet, the paper cutting device is located in the base, and the sensing device is located on one side of the base close to the paper outlet.