CN221052784U - Hollow platform embedded vacuum dirt remover - Google Patents

Abstract

The utility model belongs to the technical field of sewage discharge, and discloses a hollow platform embedded vacuum sewage discharge device which comprises a frame, a rotary joint device, a winding barrel, a sewage suction pipe and a spring box, wherein the frame is arranged on a hollow platform; the spring box is arranged on the frame and is positioned on one side of the winding drum far away from the rotary joint device, and the spring box is used for driving the winding drum to rotate so as to retract the dirt suction tube which is unfolded relative to the winding drum. According to the utility model, all the components are integrated and arranged in the frame, so that the whole volume of the device is reduced, the device can be installed on a platform wall body in an embedded manner, the installation is convenient, the occupation of the internal space of a hollow platform can be reduced, and the interference with other facilities in the internal space of the platform can be avoided.

Description

Hollow platform embedded vacuum dirt remover

Technical Field

The utility model relates to the technical field of railway dirt discharge, in particular to a hollow platform embedded vacuum dirt discharge device.

Background

In the prior art, the train adopts a direct discharge mode, excrement is directly discharged onto a roadbed, the excrement is lifted by hurricanes of the train to fall into powder through sun and rain, the powder is changed into aerosol to fly in the air, so that the air pollution and even the germ transmission are formed, and great trouble is caused to road maintenance workers.

In order to solve the problems, a sewage storage device is arranged on a train at present on a railway to temporarily store generated sewage in the running process of the train, and an electric coiling type sewage discharging unit is used for discharging the sewage on the station after the sewage reaches a station, and the sewage storage device mainly comprises a sewage discharging hose, a quick connector, a hose coiling mechanism, a hose guiding device, a stroke automatic control device and a unit box body; the hose coiling mechanism, the guide wheel mechanism and the automatic control device are all arranged in the unit box body. One end of the dirt discharging hose is connected with the quick connector, the other end of the dirt discharging hose penetrates through the hose guiding device and is connected with one end of a dirt discharging pipe positioned at the inner barrel of the hose coiling mechanism reel, and the motor drives the hose coiling mechanism to guide out the pipe and recycle the dirt discharging pipe by the hose guiding device; the hose coiling mechanism is connected with the automatic control device through a circuit. However, because the flexible pipe lacks directional guidance, faults such as disordered sequence, mutual extrusion and the like easily occur in pipe collecting operation, manual guidance is needed, the operation efficiency is seriously influenced, and human resources are wasted; moreover, the box body occupies large space, excessively occupies hollow space of the platform, is easy to interfere with other platform facilities, and brings great inconvenience in installation and use.

Disclosure of Invention

The utility model aims to provide a hollow platform embedded vacuum dirt remover, which aims to solve the problems of inconvenient dirt removing operation and large occupied space.

To achieve the purpose, the utility model adopts the following technical scheme: hollow platform embedded vacuum dirt remover, its characterized in that includes: a frame mounted to the hollow platform; the rotary joint device is mounted on the frame and is used for connecting a vacuum sewage discharging main pipe; a drum rotatably mounted to the rotary joint device; one end of the dirt suction pipe is connected with the rotary joint device and is wound on the winding barrel from inside to outside; and the spring box is arranged on the frame and is positioned on one side of the winding drum away from the rotary joint device, and is used for driving the winding drum to rotate so as to retract the dirt suction tube which is unfolded relative to the winding drum.

Preferably, the embedded vacuum dirt unloader further comprises a limiting mechanism, wherein the limiting mechanism is arranged on the winding drum and used for guiding and restraining the dirt suction pipe.

Preferably, the limiting mechanism comprises a plurality of supporting pieces and connecting pieces, the plurality of supporting pieces are respectively fixedly connected with the outer circumferential side surfaces of two ends of the winding barrel, the supporting pieces are arranged at intervals along the circumferential direction of the winding barrel, and the connecting pieces are connected with the supporting pieces located at the same end of the winding barrel along the circumferential direction.

Preferably, the embedded vacuum dirt unloader further comprises a plurality of U-shaped guide wheels, wherein the U-shaped guide wheels are rotatably arranged on the frame, and the U-shaped guide wheels are located on the outer sides of the connecting pieces.

Preferably, the body of the drum is further provided with an extension hole, and the rotary joint device includes: the joint piece is fixedly connected with the frame; the first connecting flange is rotatably arranged on the joint piece and is in sealing connection with the joint piece, and the first connecting flange is used for connecting the winding drum; the bent pipe is rotatably arranged on the joint piece and is in sealing connection with the joint piece, one end of the bent pipe is connected with the vacuum sewage discharging main pipe through the joint piece, and the other end of the bent pipe penetrates through the barrel body of the barrel and penetrates out of the extending hole and is connected with the sewage sucking pipe.

Preferably, one end of the dirt sucking pipe is in sealing connection with the bent pipe, and the other end of the dirt sucking pipe is connected with a quick connector, so that a dirt discharging port can be quickly connected.

Preferably, the embedded vacuum dirt unloader further comprises a reset engagement device arranged on the frame and located on the side of the drum away from the rotary engagement device for connecting the spring case.

Preferably, the reset engagement means includes: the bearing support is fixedly arranged on the frame, and a bearing is arranged in the bearing support; the driving shaft, the one end of driving shaft wears to locate the bearing support and with the spring case is connected, and the other end is provided with the second flange, the second flange with the reel is connected.

Preferably, the frame is further provided with an outlet guide mechanism, and the position of the outlet guide mechanism is arranged corresponding to one end of the dirt suction pipe away from the rotary joint device; the outlet guide mechanism comprises a plurality of guide wheels which are arranged together in a surrounding mode, and the dirt suction pipe is prevented from being scraped with the frame when the dirt suction pipe is used.

Preferably, the frame is further provided with a front panel, the front panel is provided with a drawing opening, the drawing opening is arranged corresponding to the outlet guide mechanism, and a drawing door is arranged at the drawing opening; the center of the rear panel is provided with a center hole, and one end of the rotary joint device, which is far away from the winding barrel, can penetrate out of the center hole; the mounting bracket is arranged on the outer side of the frame and is fixedly connected with the two sides and the bottom of the frame; the decorative plate is used for blocking gaps between the frame and the hollow platform wall body, and an embedded illuminating lamp is arranged on the upper portion of the decorative plate.

The utility model has the beneficial effects that:

The utility model provides a hollow platform embedded vacuum dirt unloader, which winds a dirt sucking pipe on a winding drum from inside to outside, so that the occupied space of the winding drum and the dirt sucking pipe is reduced, and the vacuum dirt unloader can be mechanically reset through the arrangement of a spring box, and the structure is simplified; and with each subassembly all integrated setting in the frame to reduce the whole volume of device, and then can pass through embedded installation on the platform wall body, simple to operate can also reduce and invade the inner space of cavity platform, avoid taking place to interfere with other facilities in the platform inner space.

Drawings

FIG. 1 is an exploded view of an assembly view of an embedded vacuum unloader of the present utility model;

FIG. 2 is an assembly view of the embedded vacuum cleaner of the present utility model;

FIG. 3 is a schematic view of the spacing mechanism and drum assembly of the embedded vacuum cleaner of the present utility model;

FIG. 4 is another view of an assembled schematic of a spacing mechanism and drum of an embedded vacuum cleaner of the present utility model;

FIG. 5 is a front view of an embedded vacuum cleaner of the present utility model;

FIG. 6 is a cross-sectional view of A-A in front view of the embedded vacuum cleaner of the present utility model;

FIG. 7 is a right side view of the embedded vacuum dirt unloader of the present utility model

FIG. 8 is a left side view of the embedded vacuum cleaner of the present utility model;

FIG. 9 is a schematic view of the construction of the rotary engagement device of the embedded vacuum cleaner of the present utility model;

FIG. 10 is a schematic view of the construction of an embedded vacuum unloader reset engagement apparatus of the present utility model;

FIG. 11 is a schematic view of the structure of the embedded vacuum cleaner of the present utility model to be installed;

FIG. 12 is a view of the effect of the embedded vacuum cleaner installed in a hollow docking station according to the present utility model;

FIG. 13 is a schematic view showing another view of the effect of the embedded vacuum cleaner installed in a hollow platform according to the present utility model;

Fig. 14 is a schematic view showing an effect of the embedded vacuum cleaner installed in a hollow platform according to another aspect of the present utility model.

In the figure:

1. A drum; 11. a protruding hole; 2. a rotary engagement device; 21. a joint; 22. a first connection flange; 23. a bent pipe 3 and a dirt suction pipe; 31. a quick connector; 4. a spring case; 5. resetting the engagement means; 51. a bearing support; 52. a drive shaft; 53. a second connection flange; 6. a frame; 61. an outlet guide mechanism; 62. a front panel; 621. a drawing port; 622. a pull door; 63. a rear panel; 631. a central bore; 64. a mounting bracket; 65. a decorative plate; 651. a lamp groove; 7. a limiting mechanism; 71. a support; 72. a connecting piece; 73. a U-shaped guide wheel;

100. An embedded vacuum dirt unloader; 101. a connecting pipe; 102. a valve; 103. and (5) a vacuum sewage discharging main pipe.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

At present, a sewage storage device is arranged on a train on a railway to temporarily store generated sewage in the running process of the train, and an electric coiled sewage discharging unit is used for discharging the sewage on the station after the sewage reaches a platform, wherein the faults of disordered sequence, mutual extrusion and the like easily occur in the pipe collecting operation due to the lack of directional guiding of a hose, the manual guiding is needed, the operation efficiency is seriously influenced, and the manpower resource is wasted; moreover, the box body occupies large space, excessively occupies hollow space of the platform, is easy to interfere with other platform facilities, and brings great inconvenience in installation and use.

In order to solve the above problems, as shown in fig. 1 and 11, the present utility model provides a hollow platform embedded vacuum sewage unloader 100, which comprises a frame 6, a rotary joint device 2, a drum 1, a sewage suction pipe 3 and a spring case 4, wherein the embedded vacuum sewage unloader 100 is installed on the hollow platform through the frame 6, the drum 1 realizes a rotary function through the rotary joint device 2, and is convenient for winding the sewage suction pipe 3; the rotary joint device 2 is fixedly mounted on the frame 6, and can also play a role of mounting the drum 1 inside the frame 6 while realizing the rotation of the drum 1. One end of the dirt sucking pipe 3 is connected with the rotary joint device 2, and the dirt sucking pipe 3 is wound on the barrel body of the barrel 1 from inside to outside, so that the occupied space of the barrel 1 and the dirt sucking pipe 3 in the axial direction can be greatly reduced compared with the mode of winding along the axial direction of the barrel 1. One axial end of the winding drum 1 is connected with the rotary joint device 2, the other end of the winding drum 1, which is far away from the rotary joint device 2, is connected with the spring box 4, and the spring box 4 can drive the winding drum 1 to rotate, so that the dirt suction pipe 3 which is unfolded relative to the winding drum 1 is retracted, and the return and retraction of the dirt suction pipe 3 after use are facilitated. Through the setting of spring case 4, realized the mechanical operation that resets of embedded vacuum dirt remover 100, avoid using the motor that the motor coiled, in saving structure and cost, can also set up spring case 4 in frame 6, further reduce the volume of embedded vacuum dirt remover 100.

In order to better ensure that the dirt pickup tube 3 is wound on the drum 1 from inside to outside, and avoid that the dirt pickup tube 3 is kept in order all the time when in use and retracted, in some embodiments, the embedded vacuum dirt remover 100 of the present utility model is further provided with a limiting mechanism 7, as shown in fig. 3, and the limiting mechanism 7 is provided on the drum 1, so as to guide and restrict the dirt pickup tube 3. The limiting mechanism 7 comprises a plurality of supporting pieces 71 and connecting pieces 72, the plurality of supporting pieces 71 are fixedly connected with the outer circumferential side surfaces of the two ends of the winding barrel 1 respectively, the supporting pieces are arranged at intervals along the circumferential direction of the winding barrel 1, and the connecting pieces 72 are connected with the supporting pieces 71 located at the same end of the winding barrel 1 along the circumferential direction.

As shown in fig. 4, the drum 1 is in an i-shaped tubular structure, the parts of the drum body connected with the two end surfaces of the drum 1 are provided with concave cambered surfaces, the concave cambered surfaces are preferably arranged at the middle part of the drum body, and accord with the radian of the dirt suction pipe 3 after winding, which is beneficial to keeping the dirt suction pipe 3 in an orderly winding state, and prevents the inner dirt suction pipe 3 close to the drum 1 from shaking along the axial direction of the drum 1, thereby providing a stable winding layer base; the two ends of the winding drum 1 are two axial ends of the winding drum 1, namely the lateral surfaces of the periphery of the two ends of the winding drum 1 are the lateral surfaces of the drum body connected with the two end surfaces of the winding drum 1, and in some embodiments, screw holes are formed in the end surfaces of the two ends of the winding drum 1, so that the winding drum 1 is convenient to install.

More specifically, a plurality of supporting members 71 are provided on each of two peripheral side surfaces of both ends of the drum 1, and are uniformly arranged at intervals along the circumferential direction of the drum 1, radially uniformly arranged around the drum 1, and one end of each of the plurality of supporting members 71 is fixedly connected with the peripheral side surface, and the other end far from the peripheral side surface is fixedly connected with a connecting member 72 along the circumferential direction.

As shown in fig. 3 and 4, illustrated with one end of the drum 1, one end of each support 71, which is away from the outer circumferential side, is bent toward the outside of the drum 1, and a connection piece 72 is provided at an end, the connection piece 72 connecting the bent ends of the plurality of support 71 in the circumferential direction. Through the setting can not produce right angle with stop gear 7 when the dirt absorbing tube 3 pulls out the use for pull out more smoothly, likewise, when dirt absorbing tube 3 is retrieved, stop gear 7 wider opening makes things convenient for dirt absorbing tube 3 to get into, plays the effect that the guide was retrieved, and a plurality of support pieces 71 can play the effect of constraint to dirt absorbing tube 3 by inside and outside coiling on barrel 1 after not using or retrieving, avoid dirt absorbing tube 3 coiling order to be disordered and lead to unable pull out. In some embodiments, the supporting member 71 and the connecting member 72 are made of round steel, so that the arc surface of the round steel can avoid scratching the dirt suction tube 3 and prolong the service life of the dirt suction tube while ensuring high structural strength.

To further guide and constrain the dirt pickup tube 3, in some embodiments, as shown in fig. 1 and 7, a plurality of U-shaped guide wheels 73 are further disposed in the frame 6, the U-shaped guide wheels 73 are rotatably disposed on the frame 6, alternatively, the U-shaped guide wheels 73 may be fixed on the frame 6 by disposing guide wheel fixing pins; the plurality of U-shaped guide wheels 73 are located at the outer side of the connecting piece 72, and can further guide and restrict the dirt sucking pipe 3 when being pulled out and retracted, so that the dirt sucking pipe 3 is prevented from entering the outside of the limiting mechanism 7 to cause faults. In this example, the U-shaped guide wheels 73 are provided in four, at the four corners in the frame 6, respectively, and outside the connecting piece 72. Of course, other numbers may be set according to the actual situation, and no specific limitation is imposed.

In order to reduce the volume of the built-in vacuum cleaner 100, the rotary joint device 2 is coaxially arranged with the drum 1, wherein the rotary joint device 2 is a 360-degree rotary seal structure, the rotary joint device 2 comprises a joint member 21 and a first connecting flange 22, and the joint member 21 is mounted on the frame 6 and fixedly connected with the frame 6. One end of the joint member 21 is used for connecting the vacuum sewage discharging main pipe 103 in the hollow platform, the other end is rotatably provided with a first connecting flange 22, and the first connecting flange 22 is in sealing connection with the joint member 21; the first connecting flange 22 is used for connecting the winding drum 1, and is fixedly connected with one end of the winding drum 1 coaxially through the first connecting flange 22, so that the winding drum 1 is installed, the winding drum 1 can be rotated, the internal structure is simplified, and the volume can be reduced. In some embodiments, the first connection flange 22 is fixedly connected with the drum 1 by bolts.

The rotary joint device 2 is also provided with an elbow pipe 23, the elbow pipe 23 is rotatably arranged on the joint piece 21 and is in sealing connection with the joint piece 21, one end of the elbow pipe 23 is connected with the vacuum sewage discharging main pipe 103 through the joint piece 21, and the other end of the elbow pipe is penetrated through the barrel body of the barrel 1 and penetrates out of the extending hole 11 formed at the barrel body so as to be connected with the sewage sucking pipe 3. As shown in fig. 9, the bent pipe 23 is configured to be connected with the dirt absorbing pipe 3 in an S-shaped bending structure, and the bending structure of the bent pipe avoids bending caused by the dirt absorbing pipe 3 being directly connected with the joint piece 21, so that the dirt absorbing pipe 3 is prevented from being worn or bent greatly, the dirt unloading efficiency is reduced, and the service life of the dirt absorbing pipe 3 is effectively prolonged.

In order to mount the drum 1 more stably, as shown in fig. 6, the other end of the drum 1, which is away from the rotary engagement device 2, is provided with a reset engagement device 5, and the drum 1 is connected to the spring case 4 through the reset engagement device 5; as shown in fig. 10, the reset engaging means 5 includes a bearing support 51 and a drive shaft 52, the bearing support 51 being fixedly mounted on the frame 6, a bearing being provided in the bearing support 51; one end of the driving shaft 52 rotatably penetrates through the bearing in the bearing support 51 and is connected with the spring case 4, the other end of the driving shaft is provided with a second connecting flange 53, and the second connecting flange 53 is fixedly connected with the winding drum 1 through bolts. Through the arrangement, the two ends of the winding barrel 1 are fixedly arranged on the frame 6 through the rotary joint device 2 and the reset joint device 5, and the two ends are supported, so that the winding barrel can rotate more stably. The joint piece 21 of the rotary coupler, the first connecting flange 22, the winding barrel 1, the bearing support 51 of the reset joint device 5, the bearing, the driving shaft 52, the second connecting flange 53 and the spring case 4 are coaxially arranged, and other transmission mechanisms are not required to be arranged, so that the structure can be simplified as far as possible, and the volume of the embedded vacuum dirt remover can be reduced. In some embodiments, as shown in fig. 10, the end of the drive shaft 52 connected to the spring case 4 is square in configuration and can be inserted into the spring case 4, and the coil spring in the spring case 4 provides power for the rotation of the drum 1.

The train that stops the platform and need unload dirty is provided with the dirt mouth that unloads, as shown in fig. 1 and 8, dirt suction pipe 3 one end and return bend 23 sealing connection, and the other end is connected with quick-operation joint 31, can dock fast through quick-operation joint 31 and unload dirty mouthful. As shown in fig. 1, the frame 6 is further provided with an outlet guide mechanism 61, and the position of the outlet guide mechanism 61 is corresponding to the position of one end of the dirt suction pipe 3 away from the rotary joint device 2, that is, the position of the outlet guide mechanism 61 is corresponding to the position of one end of the dirt suction pipe 3 provided with the quick connector 31; in some embodiments, the outlet guide mechanism 61 may be disposed at any one of the four positions of the upper left, the upper right, the lower left, and the lower right of the frame 6 according to the position of the end of the soil pick-up tube 3 wound from the inside to the outside, that is, the winding position of the end of the soil pick-up tube 3 to which the quick connector 31 is connected; the outlet guide mechanism 61 comprises a plurality of guide wheels which are arranged in a surrounding manner, so that the dirt suction pipe 3 is prevented from being scraped with the frame 6 during use, the dirt suction pipe 3 is convenient to pull out, and the service life of the dirt suction pipe 3 can be effectively prolonged. In some embodiments, the exit guide 61 is provided with four guide wheels that are enclosed in a rectangle.

In order to make the embedded vacuum dirt unloader 100 more attractive after being installed, in some embodiments, as shown in fig. 13, a decorative board 65 is further arranged on the frame 6 and used for plugging a gap between the frame 6 and a hollow platform wall, so that the embedded vacuum dirt unloader is more attractive, and an embedded illuminating lamp is arranged at the upper part of the decorative board 65; the frame 6 further includes a front panel 62 and a rear panel 63, as shown in fig. 2 or 5, the front panel 62 is provided with a drawing port 621, and the drawing port 621 is disposed corresponding to the outlet guide mechanism 61, that is, the position of the drawing port 621 may be disposed at any one of four positions of the upper left, the upper right, the lower left and the lower right of the front panel 62 according to the outlet guide mechanism 61, in the upper left position in the drawing; a pull door 622 is installed at the pull opening 621, the pull door 622 is connected with the front panel 62 through a hinge, and optionally, a magnetic attraction bullet-returning device is arranged on the frame 6 provided with the guide wheel and used for attracting and opening the pull door 622; as shown in fig. 1, a central hole 631 is formed in the central position of the rear panel 63, and one end of the rotary joint device 2, which is far away from the drum 1, can pass through the central hole 631, so that the thickness of the embedded vacuum dirt remover 100 can be reduced to the greatest extent, and the docking of the vacuum dirt remover main pipe 103 is facilitated.

Optionally, the lamp groove 651 has been seted up on the upper portion of decorative board 65, is provided with embedded light in the lamp groove 651, and embedded light is connected with cavity platform power electricity, makes things convenient for the visual operation of staff in dim environment. In some embodiments, an embedded illumination lamp may also be provided on the upper portion of the front panel 62.

As shown in fig. 12 and 14, the effect of the assembled vacuum sewage unloader 100 is that the end of the joint piece 21 penetrating through the central hole 631 is connected with the vacuum sewage unloading main pipe 103 through the connecting pipe 101, the valve 102 is arranged on the connecting piece 72 and used for controlling the on-off of the embedded vacuum sewage unloader 100 and the vacuum sewage unloading main pipe 103, the valve 102 can be a manual valve or a power driven valve, and the power driven valve is usually an electric valve, a pneumatic valve, a hydraulic valve, a gas-liquid linkage valve and an electrohydraulic linkage valve. In some embodiments, as shown in fig. 11, both sides and the lower part of the frame 6 are mechanically connected to the mounting bracket 64 by means of a detachable fixing member, and as shown in fig. 13 and 14, the embedded vacuum sewage discharge device 100 is fixed to the hollow platform wall body by means of the mounting bracket 64, and the front panel 62 and the decorative plate 65 of the embedded vacuum sewage discharge device 100 are on the same plane with the outside of the wall body.

Taking the direction shown in fig. 13 or fig. 14 as an example, the left side of the embedded vacuum sewage unloader 100 is the outer side of a hollow platform, a worker can open a pull door 622 from the outer side of the hollow platform, pull out one end of the sewage suction pipe 3 provided with a quick connector 31, pull out the end to the position of a train and dock with a sewage unloading port of the train, at the moment, the valve 102 is opened, the vacuum sewage unloading main pipe 103 is communicated with the sewage suction pipe 3 of the embedded vacuum sewage unloader 100, and the negative pressure suction generated by the vacuum sewage unloading main pipe 103 rapidly sucks sewage in the train; after the use is completed, the valve 102 is closed, and the spring box 4 provides driving force to rotate the drum 1, so that the dirt suction tube 3 is retracted. Optionally, a ratchet and pawl structure is further arranged between the rotary joint device 2 and the winding drum 1, so that the spring box 4 is prevented from driving the winding drum 1 to rotate when the dirt sucking pipe 3 is pulled out for use, and the ratchet and pawl is operated to be disengaged after use, so that the winding drum 1 is driven by the spring box 4 to rotate to retract the dirt sucking pipe 3. Of course, other structures having temporary reverse prevention may be used, and the present invention is not limited thereto.

According to the utility model, the dirt suction pipe is wound on the winding drum from inside to outside, so that the occupied space of the winding drum and the dirt suction pipe is reduced, the mechanical reset can be realized through the arrangement of the spring box, and the structure is simplified; and with each subassembly all integrated setting in the frame to reduce the whole volume of device, and then can pass through embedded installation on the platform wall body, simple to operate can also reduce and invade the inner space of cavity platform, avoid taking place to interfere with other facilities in the platform inner space.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. Hollow platform embedded vacuum dirt remover, its characterized in that includes:

-a frame (6), said frame (6) being mounted to said hollow platform;

A rotary joint device (2), wherein the rotary joint device (2) is mounted on the frame (6), and the rotary joint device (2) is used for connecting a vacuum sewage discharging main pipe (103);

A drum (1), the drum (1) being rotatably mounted to the rotary joint device (2);

One end of the dirt sucking pipe is connected with the rotary joint device (2) and is wound on the winding barrel (1) from inside to outside;

A spring case (4), the spring case (4) is arranged on the frame (6) and is positioned on one side of the drum (1) away from the rotary joint device (2), and the spring case (4) is used for driving the drum (1) to rotate so as to retract a dirt suction tube which is unfolded relative to the drum (1).

2. An embedded vacuum sewage unloader according to claim 1, further comprising a limiting mechanism (7), wherein the limiting mechanism (7) is arranged on the drum (1) and is used for guiding and restraining the sewage suction pipe.

3. An embedded vacuum dirt unloader as claimed in claim 2, wherein the limiting mechanism (7) comprises a plurality of supporting members (71) and connecting members (72), the plurality of supporting members (71) are fixedly connected with the outer peripheral side surfaces of the two ends of the drum (1) respectively, and are circumferentially arranged at intervals along the drum (1), and the connecting members (72) are circumferentially connected with the supporting members (71) located at the same end of the drum (1).

4. A built-in vacuum sewage unloader according to claim 3, further comprising a plurality of U-shaped guide wheels (73), said U-shaped guide wheels (73) being rotatably arranged on the frame (6), a plurality of said U-shaped guide wheels (73) being located outside said connecting member (72).

5. An in-line vacuum cleaner according to claim 1, characterized in that the bowl of the drum (1) is further provided with an extension hole (11), the rotary engagement means (2) comprising:

the joint piece (21) is fixedly connected with the frame (6);

A first connecting flange (22) rotatably mounted on the joint piece (21) and in sealing connection with the joint piece (21), wherein the first connecting flange (22) is used for connecting the winding drum (1);

The bent pipe (23) is rotatably arranged on the joint piece (21) and is in sealing connection with the joint piece (21), one end of the bent pipe (23) is connected with the vacuum dirt discharging main pipe (103) through the joint piece (21), and the other end of the bent pipe penetrates through the barrel body of the barrel (1) and penetrates out of the extending hole (11) and is connected with the dirt sucking pipe.

6. An embedded vacuum sewage unloader according to claim 5, wherein one end of the sewage suction pipe is in sealing connection with the elbow pipe (23), and the other end is connected with a quick connector (31) which can be quickly abutted to the sewage unloading port.

7. An in-line vacuum waste ejector according to claim 1, further comprising a return engagement means (5) provided on the frame (6) on a side of the drum (1) remote from the rotary engagement means (2) for connecting the drum (1) with the spring cassette (4).

8. An in-line vacuum unloader according to claim 7, wherein the reset engagement means (5) comprises:

The bearing support (51) is fixedly arranged on the frame (6), and a bearing is arranged in the bearing support (51);

And one end of the driving shaft (52) penetrates through the bearing and is connected with the spring box (4), the other end of the driving shaft is provided with a second connecting flange (53), and the second connecting flange (53) is connected with the winding barrel (1).

9. An in-line vacuum sewage unloader according to any one of claims 1 to 8, wherein an outlet guide mechanism (61) is further provided on the frame (6), the position of the outlet guide mechanism (61) being arranged corresponding to the end of the sewage suction pipe (3) remote from the rotary joint device (2); the outlet guide mechanism (61) comprises a plurality of guide wheels which are arranged together in a surrounding manner, so that the dirt suction pipe is prevented from being scraped with the frame (6) during use.

10. An in-line vacuum dirt unloader according to claim 9, wherein the frame (6) is further provided with:

A front panel (62), wherein the front panel (62) is provided with a drawing opening (621), the drawing opening (621) is arranged corresponding to the outlet guide mechanism (61), and a drawing door (622) is arranged at the drawing opening (621);

A rear panel (63), wherein a central hole (631) is formed in the central position of the rear panel (63), and one end of the rotary joint device (2) far away from the drum (1) can penetrate out of the central hole (631);

The mounting bracket (64) is arranged on the outer side of the frame (6) and is fixedly connected with the two sides and the bottom of the frame (6);

The decorative plate (65), decorative plate (65) are used for shutoff frame (6) and with the cavity platform wall body between the gap, decorative plate (65) upper portion is provided with embedded light.