CN215635622U - Hose connection device, hose connection apparatus, and cleaning system - Google Patents

Abstract

The embodiment of the utility model provides a hose connecting device, a hose connecting device and a cleaning system, which relate to the field of pipeline connection, the hose connecting device comprises a connecting piece, a crimping piece and a pressing sleeve, the outer wall of the connecting piece is a conical surface, the inner wall of the crimping piece is a conical surface, the outer wall of the connecting piece is sleeved with a hose, the inner wall of the crimping piece is sleeved with the outer wall of the connecting piece so as to extrude the hose between the outer wall of the connecting piece and the inner wall of the crimping piece, a first channel is arranged inside the connecting piece, a second channel is arranged inside the crimping piece, one end of the crimping piece, far away from the connecting piece, comprises at least two pressing pieces, at least two pressing pieces form a hose channel, the hose channel is communicated with the second channel, the hose channel is communicated with the first channel, the pressing sleeve is matched with at least two pressing pieces so as to move relative to the at least two pressing pieces, at least two compressing pieces are tensioned to extrude the hose, so that the tight connection of water pipes with various inner diameters is solved.

Description

Hose connection device, hose connection apparatus, and cleaning system

Technical Field

The utility model relates to the field of pipeline connection, in particular to a hose connecting device, hose connecting equipment and a cleaning system.

Background

In the cleaning operation process, a water pipe flushing mode is needed to operate under partial conditions, and when the distance between a water source and a flushing point is too far, multiple sections of water pipes are needed to be connected temporarily to extend the length of the water pipe to operate.

However, in the existing connection mode, the inner diameters of the water pipes may be different, so that the water pipes are inconvenient to connect and difficult to be tightly matched, and water leakage occurs locally.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hose connecting device, hose connecting equipment and a cleaning system, which can solve the problem of tight connection of water pipes with various inner diameters.

Embodiments of the utility model may be implemented as follows:

an embodiment of the present invention provides a hose connecting device, including:

the connecting piece, the compression joint piece and the compression sleeve;

the outer wall of the connecting piece is a conical surface, the inner wall of the pressure welding piece is a conical surface, and the outer wall of the connecting piece is sleeved by the hose; the inner wall of the crimping piece is used for sleeving the outer wall of the connecting piece so as to extrude the hose between the outer wall of the connecting piece and the inner wall of the crimping piece;

a first channel is arranged inside the connecting piece, and a second channel is arranged inside the crimping piece;

one end of the crimping piece, which is far away from the connecting piece, comprises at least two pressing pieces, the at least two pressing pieces form a hose channel, the hose channel is communicated with the second channel, and meanwhile, the hose channel is communicated with the first channel;

the clamping sleeve cooperates with the at least two clamping elements to tension the at least two clamping elements during movement relative to the at least two clamping elements, and one end of the hose channel is narrowed to clamp the hose.

Optionally, the hose comprises a first portion and a second portion;

the first part is in crimping connection between the outer wall of the connecting piece and the conical inner wall of the crimping piece; the second portion is crimped between an outer wall of the connecting member and an inner wall of the at least two crimping members.

Optionally, the outer wall of the connecting piece is provided with a first external thread, the inner wall of the connecting piece is provided with a first internal thread, and the first external thread is matched with the first internal thread.

Optionally, the crimping piece comprises a crimping sleeve, the second channel is arranged inside the crimping sleeve and the first internal thread is arranged on the inner wall of the crimping sleeve, and the at least two pressing pieces and one end of the crimping sleeve, which is far away from the connecting piece, are connected.

Optionally, one end of the at least two pressing pieces close to the connecting piece is connected to one end of the crimping sleeve far away from the connecting piece in a surrounding mode.

Optionally, the at least two compression members comprise a second external thread, the compression sleeve comprises a second internal thread, and the second external thread and the second internal thread cooperate to tension the at least two compression members during screwing relative to the at least two compression members to compress the hose.

The embodiment of the utility model also provides hose connecting equipment which comprises the hose connecting device and the connecting pipe, wherein the connecting pipe is communicated with the interior of the hose connecting device.

Optionally, both ends of the connecting tube are respectively communicated with the two hose connecting devices.

Optionally, a connection external thread is arranged on the connecting piece, a connection internal thread is arranged on the inner wall of the hose connecting device, and the connection external thread is matched with the connection internal thread.

The embodiment of the utility model also provides a cleaning system, which comprises the hose connecting equipment, the water inlet device, the water outlet device and the hose;

the hose comprises a first hose and a second hose;

the water outlet device, the first hose, the hose connecting equipment, the second hose and the water inlet device are communicated in sequence.

The hose connecting device, the hose connecting equipment and the cleaning system of the embodiment of the utility model have the beneficial effects of, for example:

the hose connecting device provided by the embodiment of the utility model comprises: the connecting piece, the compression joint piece and the compression sleeve; the outer wall of the connecting piece is a conical surface, the inner wall of the pressure welding piece is a conical surface, and the outer wall of the connecting piece is sleeved by the hose; the inner wall of the crimping piece is used for sleeving the outer wall of the connecting piece so as to extrude the hose between the outer wall and the inner wall of the crimping piece; a first channel is arranged inside the connecting piece, and a second channel is arranged inside the crimping piece; one end of the crimping piece, which is far away from the connecting piece, comprises at least two pressing pieces, the at least two pressing pieces form a hose channel, the hose channel is communicated with the second channel, and meanwhile, the hose channel is communicated with the first channel; the clamping sleeve cooperates with the at least two clamping elements to tension the at least two clamping elements during movement relative to the at least two clamping elements, and one end of the hose channel is narrowed to clamp the hose.

Because the shape of the outer wall of the connecting piece is conical, hoses with different inner diameters can be sleeved on the outer wall of the connecting piece in a self-adaptive mode, meanwhile, the shape of the inner wall of the crimping piece is conical and matched with the outer wall of the connecting piece, the hoses are crimped on the outer wall of the connecting piece, in addition, one end of the crimping piece further comprises at least two pressing pieces, a hose channel is formed, the hose channel is communicated with the second channel, meanwhile, the hose channel is communicated with the first channel, namely, the hoses penetrate through the hose channel and the second channel and then are communicated with one end of the first channel, and the other end of the first channel is communicated with other hoses. Simultaneously, the compressing sleeve is matched with the at least two compressing pieces so as to tension the at least two compressing pieces in the process of moving relative to the at least two compressing pieces, one end of the hose passage is reduced to extrude the hose, so that the hose is compressed and fixed again, and the hose is prevented from loosening.

The embodiment of the utility model also provides hose connecting equipment which comprises the hose connecting device and a connecting pipe, wherein the connecting pipe is communicated with the inside of the hose connecting device, specifically, two ends of the connecting pipe are respectively communicated with the two hose connecting devices, the connecting piece is provided with a connecting external thread, the inner wall of the hose connecting device is provided with a connecting internal thread, and the connecting external thread is matched with the connecting internal thread, so that the connection of a plurality of sections of hoses is realized, and the two ends of the hose connecting equipment can be communicated with hoses with different inner diameters.

The embodiment of the utility model also provides a cleaning system which comprises the hose connecting equipment, the water inlet device, the water outlet device and the hose, wherein the hose comprises a first hose and a second hose, and the water outlet device, the first hose, the hose connecting equipment, the second hose and the water inlet device are communicated in sequence, so that the problem of tight connection of water pipes with various inner diameters can be solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a cleaning system provided in an embodiment of the present invention;

FIG. 2 is a schematic view of a hose connection device provided in an embodiment of the present invention;

FIG. 3 is an exploded view of a hose connection device provided in an embodiment of the present invention;

FIG. 4 is a schematic view of a first state of a hose coupling provided in an embodiment of the present invention;

FIG. 5 is an exploded view of a hose coupling provided in an embodiment of the present invention;

fig. 6 is a schematic view of a second state of the hose connecting device provided in the embodiment of the present invention.

Icon: 100-hose connection means; 10-a connector; 20-a crimp; 30-a compression sleeve; 11-a first channel; 12-a first external thread; 21-a second channel; 22-a first internal thread; 23-a compression member; 24-a crimping sleeve; 31-a hose channel; 231-second external threads; 32-a second internal thread; 13-connecting internal threads; 1000-hose connection device; 1100-connecting tube; 1110-connecting external threads; 2000-cleaning system; 2100-a water outlet device; 2200-a water intake device; 2300-a hose; 2310-a first hose; 2320-second hose.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the utility model is used, it is only for convenience of describing the present invention and simplifying the description, but it is not necessary to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, it should not be construed as limiting the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

In the cleaning operation process, a water pipe flushing mode is needed to operate under partial conditions, and when the distance between a water source and a flushing point is too far, multiple sections of water pipes are needed to be connected temporarily to extend the length of the water pipe to operate. However, in the existing connection mode, the inner diameters of the water pipes may be different, and the water pipes are difficult to be tightly matched after being connected, so that water leakage occurs locally. The hose connecting device, the hose connecting apparatus, and the cleaning system provided in the embodiments of the present invention can solve this problem.

The hose coupling device 100, the hose coupling apparatus 1000, and the cleaning system 2000 provided in the embodiments of the present invention will be described in detail with reference to fig. 1 to 5.

Referring to fig. 1, in the present embodiment, a cleaning system 2000 is provided, which includes a hose connection device 1000, a water inlet device 2200, a water outlet device 2100 and a hose 2300, wherein the hose 2300 includes a first hose 2310 and a second hose 2320, and the water outlet device 2100, the first hose 2310, the hose connection device 1000, the second hose 2320 and the water inlet device 2200 are sequentially communicated, specifically, the water outlet device 2100 is a water faucet, the hose 2300 is a water hose, and the water inlet device 2200 is a water supply tank, it is understood that in other embodiments, the water inlet device 2200 may also be a water faucet.

It should be noted that the cleaning system 2000 of fig. 1 is only provided with one hose connecting device 1000 to connect two hoses 2300, and in other embodiments, there may be a plurality of hose connecting devices 1000 connecting at least three hoses 2300.

Referring to fig. 2 and 3, the hose connecting apparatus 1000 includes a hose connecting device 100 and a connecting pipe 1100, the connecting pipe 1100 communicates with the inside of the hose connecting device 100, and specifically, both ends of the connecting pipe 1100 communicate with two hose connecting devices 100, respectively, a connecting external thread 1110 is provided on the connecting pipe 1100, a connecting internal thread 13 is provided on the inner wall of the hose connecting device 100, and the connecting external thread 1110 is engaged with the connecting internal thread 13.

The relative position in fig. 2 is used for illustration, and the up, down, left, right, front and back directions shown in fig. 2 can be understood as the relative position in fig. 2 or the relative position relationship of the product when the product is normally placed. Specifically, the connection pipe 1100 communicates with the inside of the connector 10, specifically, the right end of the connection pipe 1100 is connected to the right end inner wall of the connector 10, and the right end opening of the connection pipe 1100 communicates with the right end opening of the connector 10 located at the right side, and further, both ends of the connection pipe 1100 may communicate with two hose connection devices 100, respectively, that is, the left end and the left hose connection device 100 of the connection pipe 1100 communicate, and the right end and the right hose connection device 100 of the connection pipe 1100 communicate.

Specifically, the connection pipe 1100 is provided with a connection external thread 1110, the inner wall of the end of the connection member 10 close to the hose passage 31 is provided with a connection internal thread 13, and the connection external thread 1110 is matched with the connection internal thread 13, it can be understood that the connection external thread 1110 at the right end of the connection member 10 is matched with the connection internal thread 13 at the inner wall of the right end of the connection member 10 of the left hose connection device 100, and the connection external thread 1110 at the left end of the connection member 10 is matched with the connection internal thread 13 at the inner wall of the left end of the connection member 10 of the right hose connection device 100.

Referring to fig. 4-6, the hose connecting device 100 is used for connecting a hose 2300 (shown in fig. 1), specifically, the hose 2300 in this embodiment is a water hose, the hose connecting device 100 includes a connecting member 10, a crimping member 20 and a pressing sleeve 30, specifically, the pressing sleeve 30 is a hexagon nut, as shown in fig. 5, an outer wall of the connecting member 10 is a tapered surface, an inner wall of the crimping member 20 is a tapered surface, an outer wall of the connecting member 10 is used for being sleeved by the hose 2300, specifically, an inner wall of the hose 2300 is sleeved on the outer wall of the connecting member 10, and an inner wall of the crimping member 20 is used for being sleeved on the outer wall of the connecting member 10 to press the hose 2300 between the outer wall of the connecting member 10 and the inner wall of the crimping member 20, that is, the connecting member 10 and the crimping member 20 tightly crimp the hose 2300 between the outer wall of the connecting member 10 and the inner wall of the crimping member 20.

It will be appreciated that reference to "crimping" in the embodiments of the present application refers to the manner of connection that is produced by mechanical compression.

The relative position in fig. 5 is used for illustration, and the up, down, left, right, front and back directions shown in fig. 5 can be understood as the relative position in fig. 5 or the relative position relationship of the product when the product is normally placed. Referring to fig. 5, the connecting member 10 is provided with a first channel 11 therein, and specifically, the left end opening and the right end opening of the first channel 11 are circular, and the left end opening is larger than the right end opening, the crimping member 20 is provided with a second channel 21 therein, and the left end opening of the second channel 21 is larger than the right end opening and the opening is circular.

The end of the crimping member 20 away from the connecting member 10 includes at least two pressing members 23, that is, the right end of the crimping member 20 in fig. 5 includes at least two pressing members 23, the at least two pressing members 23 form one hose passage 31, preferably, the number of the pressing members 23 in this embodiment is four, that is, four pressing members 23 form the hose passage 31 around the right end opening of the second passage 21, the hose passage 31 communicates with the second passage 21, specifically, the left end of the hose passage 31 communicates with the right end of the second passage 21, at the same time, the hose passage 31 communicates with the first passage 11, that is, the right end opening of the hose passage 31 communicates with the right end opening of the first passage 11, and in this embodiment, the opening of the hose passage 31 is circular.

Further, the pressing sleeve 30 is engaged with the at least two pressing members 23, that is, the pressing sleeve 30 is attached to the outer walls of the four pressing members 23, so as to pull the at least two pressing members 23 tight during the movement relative to the at least two pressing members 23, and one end of the hose passage 31 is narrowed to press the hose 2300, and specifically, the pressing sleeve 30 is moved leftward relative to the four pressing members 23, and pulls the four pressing members 23 tight, and the right end opening of the hose passage 31 is narrowed to press the hose 2300.

With continued reference to fig. 4 in conjunction with fig. 5, the hose 2300 includes a first portion (not shown) crimped between the outer wall of the connector 10 and the tapered inner wall of the crimp member 20, and a second portion (not shown) crimped between the outer wall of the connector 10 and the inner walls of the at least two compression members 23, i.e., a second portion crimped between the outer wall of the connector 10 and the inner walls of the four compression members 23.

In other embodiments, referring to fig. 6 in combination with fig. 5, a first portion of the flexible tube 2300 is compressed between the outer wall of the connecting member 10 and the tapered inner wall of the compression member 20, and a second portion is compressed against the inner walls of at least two compression members 23, i.e., a second portion is compressed against the inner walls of four compression members 23.

Referring next to fig. 5, the outer wall of the connecting member 10 is provided with a first external thread 12, the inner wall of the connecting member 10 is provided with a first internal thread 22, and the first external thread 12 and the first internal thread 22 are engaged, specifically, the hose 2300 is crimped between the first external thread 12 and the first internal thread 22.

The crimping part 20 comprises a crimping sleeve 24, specifically, the crimping sleeve 24 is a hexagonal nut, the second passage 21 is arranged inside the crimping sleeve 24, the first internal thread 22 is arranged on the inner wall of the crimping sleeve 24, the at least two pressing pieces 23 and one end of the crimping sleeve 24 far away from the connecting piece 10 are connected, one end of the at least two pressing pieces 23 close to the connecting piece 10 is connected to one end of the crimping sleeve 24 far away from the connecting piece 10 in a surrounding mode, specifically, the four pressing pieces 23 surround a right end opening of the second passage 21 and are connected to a right end of the pressing sleeve 30, and preferably, the four pressing pieces 23 and the crimping sleeve 24 are integrally formed.

Wherein, at least two hold-down members 23 include the second external screw thread 231, that is, the outer wall of four hold-down members 23 in fig. 2 is provided with the second external screw thread 231, the hold-down sleeve 30 includes the second internal screw thread 32, the second external screw thread 231 and the second internal screw thread 32 cooperate to tighten at least two hold-down members 23 in the process of screwing relative to at least two hold-down members 23 to squeeze the hose 2300, specifically, the hold-down sleeve 30 and four hold-down members 23 are threadedly engaged and can be screwed to the left to tighten four hold-down members 23 to narrow the opening at the right end of the hold-down members 23 to squeeze the hose 2300.

According to the working principle of the hose connecting device 100, the hose connecting apparatus 1000 and the cleaning system 2000 provided in the present embodiment:

referring to fig. 4-6, the hose connection device 100 according to the embodiment of the present invention includes a connection member 10, a crimping member 20, and a pressing member 23, wherein an outer wall of the connection member 10 is a tapered surface, the hose 2300 can be sleeved on the outer wall of the connection member 10, and the larger the opening of the end portion of the hose 2300, the more to the left the position sleeved on the outer wall of the connection member 10 is, so that the hose 2300 with openings of various sizes can be sleeved, the outer wall of the connection member 10 is provided with a first external thread 12, the inner wall of the crimping member 20 is provided with a first internal thread 22, the first external thread 12 and a second internal thread 32, so that the connection member 10 and the crimping member 20 are in threaded engagement, and the hose 2300 is tightly crimped between the outer wall of the connection member 10 and the inner wall of the crimping member 20 to prevent the hose 2300 from loosening.

Meanwhile, the crimping part 20 includes a crimping sleeve 24, the right end of the crimping sleeve 24 is further connected with four pressing pieces 23, the four pressing pieces 23 are connected to the right end opening of the second channel 21 in a surrounding manner and connected to the right end of the pressing sleeve 30, the outer walls of the four pressing pieces 23 are provided with second external threads 231, the pressing sleeve 30 includes second internal threads 32, the second external threads 231 are matched with the second internal threads 32, the pressing sleeve 30 is matched with the four pressing pieces 23 in a threaded manner and can be screwed into the left, so that the four pressing pieces 23 are tensioned, the opening at the right end of the pressing pieces 23 is reduced, and the hose 2300 is pressed.

With continued reference to fig. 4 and 5, it should be noted that, when the hose 2300 is connected, one end of the hose 2300 is first threaded through the hose passage 31 from right to left, then threaded through the second passage 21 and sleeved on the outer wall of the connecting member 10, and then the pressing sleeve 24 is screwed to match the first external thread 12 with the second internal thread 32, i.e. the pressing member 20 can move leftwards relative to the connecting member 10, and meanwhile, the first portion of the hose 2300 is pressed between the outer wall of the connecting member 10 and the inner wall of the pressing member 20. Then, the pressing sleeve 30 is screwed to reduce the opening at the right end of the pressing member 23, i.e. the opening at the right end of the hose passage 31, at this time, the second portion of the hose 2300 is pressed between the outer wall of the connecting member 10 and the inner wall of the pressing member 23, and in addition, one end of the hose 2300 to be connected can be directly communicated with the left end of the connecting member 10 to realize the communication of the multiple sections of hoses 2300, and at this time, one end of the hose connecting device 100 can be communicated with hoses 2300 with different inner diameters.

Referring to fig. 5 and 6, in some cases, if the thickness of the tube wall of the flexible tube 2300 is thick, the second portion of the flexible tube 2300 cannot be pressed between the outer wall of the connecting member 10 and the inner wall of the pressing member 23, and at this time, the first portion of the flexible tube 2300 is pressed between the outer wall of the connecting member 10 and the inner wall of the pressing member 20, and the second portion of the flexible tube 2300 is directly pressed by the four pressing members 23 to prevent it from loosening.

Referring to fig. 2 and 3 in combination with fig. 5, the hose connecting apparatus 1000 further includes a hose connecting device 100 and a connecting pipe 1100, the connecting pipe 1100 communicates with the interior of the hose connecting device 100, specifically, two ends of the connecting pipe 1100 communicate with the two hose connecting devices 100, a connecting external thread 1110 is disposed on the connecting member 10, a connecting internal thread 13 is disposed on an inner wall of the hose connecting device 100, the connecting external thread 1110 is engaged with the connecting internal thread 13, and the hose 2300 can be sleeved on the hose connecting device 100 in the manner described above, at this time, connection of a plurality of sections of hoses 2300 is achieved, specifically, two hoses 2300 can be communicated in this embodiment, and two ends of the hose connecting apparatus 1000 can communicate with hoses 2300 with different inner diameters.

In an embodiment of the present invention, there is also provided a cleaning system 2000, the cleaning system 2000 includes a hose connection device 1000, a water inlet device 2200, a water outlet device 2100 and a hose 2300, the hose 2300 includes a first hose 2310 and a second hose 2320, the water outlet device 2100, the first hose 2310, the hose connection device 1000, the second hose 2320 and the water inlet device 2200 are sequentially communicated, wherein the first hose 2310 and the second hose 2320 are tightly connected to the hose connection device 1000 in the manner as described above, water in the water inlet device 2200 enters the second hose 2320 and then flows to the first hose 2310 through the hose connection device 1000, and finally water is sprayed out of the water outlet device 2100 for cleaning operation.

The hose connecting device 100, the hose connecting apparatus 1000 and the cleaning system 2000 provided according to the present embodiment have at least the following advantages:

the hose connecting device 100 provided by the embodiment of the utility model comprises a connecting piece 10, a crimping piece 20 and a pressing sleeve 30; the outer wall of the connector 10 is a conical surface, the inner wall of the crimping part 20 is a conical surface, and the outer wall of the connector 10 is sleeved by the hose 2300; the inner wall of the crimp member 20 is adapted to fit over the outer wall of the connector 10 to compress the hose 2300 between the outer wall and the inner wall of the crimp member 20; the interior of the connecting piece 10 is provided with a first channel 11, and the interior of the crimping piece 20 is provided with a second channel 21; the end of the crimping part 20 away from the connecting part 10 comprises at least two pressing parts 23, the at least two pressing parts 23 form a hose passage 31, the hose passage 31 is communicated with the second passage 21, and meanwhile, the hose passage 31 is communicated with the first passage 11; the clamping sleeve 30 cooperates with the at least two clamping members 23 to pull the at least two clamping members 23 together during movement relative to the at least two clamping members 23, and one end of the hose passage 31 is narrowed to compress the hose 2300.

Because the outer wall of the connector 10 is tapered, the hoses 2300 with different inner diameters can be adaptively sleeved on the outer wall of the connector 10, and the inner wall of the pressing member 20 is also tapered and matched with the outer wall of the connector 10 to press the hoses 2300 onto the outer wall of the connector 10, in addition, one end of the pressing member 20 further comprises at least two pressing members 23 which form a hose passage 31, the hose passage 31 is communicated with the second passage 21, the hose passage 31 is communicated with the first passage 11, that is, the hose 2300 passes through the hose passage 31 and the second passage 21 and is communicated with one end of the first passage 11, and the other end of the first passage 11 is communicated with other hoses 2300. Meanwhile, the pressing sleeve 30 cooperates with the at least two pressing members 23 to tighten the at least two pressing members 23 during the movement relative to the at least two pressing members 23, and one end of the hose passage 31 is narrowed to press the hose 2300, so that the hose 2300 is pressed and fixed again, preventing the loosening of the hose 2300.

The embodiment of the utility model also provides a hose connecting device 1000, the hose connecting device 1000 comprises the hose connecting device 100 and the connecting pipe 1100, the connecting pipe 1100 is communicated with the inside of the hose connecting device 100, specifically, two ends of the connecting pipe 1100 are respectively communicated with the two hose connecting devices 100, the connecting piece 10 is provided with a connecting external thread 1110, the inner wall of the hose connecting device 100 is provided with a connecting internal thread 13, the connecting external thread 1110 is matched with the connecting internal thread 13, the connection of a plurality of sections of hoses 2300 is realized, and the connection of hoses 2300 with different inner diameters at two ends of the hose connecting device 1000 is realized.

The embodiment of the utility model further provides a cleaning system 2000, which comprises the above-mentioned hose connecting device 1000, a water inlet device 2200, a water outlet device 2100 and a hose 2300, wherein the hose 2300 comprises a first hose 2310 and a second hose 2320, and the water outlet device 2100, the first hose 2310, the hose connecting device 1000, the second hose 2320 and the water inlet device 2200 are communicated in sequence, so that the problem of tight connection of water pipes with various inner diameters can be solved.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. A hose connecting device (100) for connecting a hose (2300), characterized in that the hose connecting device (100) comprises a connecting member (10), a crimping member (200) and a pressing sleeve (300);

the outer wall of the connector (10) is a conical surface, the inner wall of the crimping connector (200) is a conical surface, and the outer wall of the connector (10) is sleeved by a hose (2300); the inner wall of the crimping piece (200) is used for sleeving the outer wall of the connecting piece (10) so as to squeeze the hose (2300) between the outer wall of the connecting piece (10) and the inner wall of the crimping piece (200);

a first channel (110) is arranged inside the connecting piece (10), and a second channel (210) is arranged inside the crimping piece (200);

the end of the crimping piece (200) far away from the connecting piece (10) comprises at least two pressing pieces (230), the at least two pressing pieces (230) form a hose passage (310), the hose passage (310) is communicated with the second passage (210), and meanwhile, the hose passage (310) is communicated with the first passage (110);

the compression sleeve (300) cooperates with the at least two compression members (230) to pull the at least two compression members (230) taut during movement relative to the at least two compression members (230), the hose passage (310) being constricted at one end to compress the hose (2300).

2. The hose connection device (100) of claim 1, wherein the hose (2300) comprises a first portion and a second portion;

the first part is crimped between the outer wall of the connecting piece (10) and the conical inner wall of the crimping piece (200); the second region is crimped between the outer wall of the connecting element (10) and the inner wall of the at least two pressure elements (230).

3. The hose connection device (100) according to claim 1, characterized in that the outer wall of the connecting piece (10) is provided with a first external thread (120), the inner wall of the connecting piece (10) is provided with a first internal thread (220), and the first external thread (120) and the first internal thread (220) are engaged.

4. The hose connection device (100) according to claim 3, characterized in that the crimp (200) comprises a crimp sleeve (240), the second channel (210) is arranged inside the crimp sleeve (240) and the first internal thread (220) is arranged on an inner wall of the crimp sleeve (240), and the at least two compression members (230) and an end of the crimp sleeve (240) remote from the connection piece (10) are connected.

5. The hose connection device (100) according to claim 4, characterized in that the ends of the at least two pressure elements (230) close to the connection element (10) are connected around the end of the crimp sleeve (240) remote from the connection element (10).

6. The hose connecting device (100) according to claim 1, characterized in that the at least two pressing members (230) comprise a second external thread (231), the pressing sleeve (300) comprises a second internal thread (320), the second external thread (231) and the second internal thread (320) cooperate to tension the at least two pressing members (230) during screwing relative to the at least two pressing members (230) to press the hose (2300).

7. A hose connecting device (1000), characterized in that the hose connecting device (1000) comprises a hose connecting device (100) according to any one of claims 1 to 6 and a connecting tube (400), the connecting tube (400) communicating with the interior of the hose connecting device (100).

8. The hose connecting apparatus (1000) according to claim 7, wherein both ends of the connection pipe (400) communicate with two hose connecting devices (100), respectively.

9. The hose connecting apparatus (1000) according to claim 7, wherein the connecting member (10) is provided with an external connecting thread (410), the inner wall of the hose connecting device (100) is provided with an internal connecting thread (130), and the external connecting thread (410) is engaged with the internal connecting thread (130).

10. A cleaning system (2000) comprising a hose connection device (1000) according to any of claims 7-9, a water inlet means (2200), a water outlet means (2100) and a hose (2300);

the hose (2300) comprises a first hose (2310) and a second hose (2320);

the water outlet device (2100), the first hose (2310), the hose connection apparatus (1000), the second hose (2320) and the water inlet device (2200) are communicated in sequence.

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