CN209925819U

CN209925819U - Cantilever high-pressure rotary joint for cleaning mechanism

Info

Publication number: CN209925819U
Application number: CN201920599911.9U
Authority: CN
Inventors: 陈昂
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-01-10
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a cantilever high-pressure rotary joint for a cleaning mechanism, which comprises a mounting plate, a second sleeve, a supporting cantilever, a first sleeve, an inner pipe which can be connected with a first water pipe in the supporting cantilever, a first connecting shaft, a second connecting shaft, a bearing, a separation blade, a movable cavity, a sealing element and a water flow channel, wherein the side wall of the second sleeve is provided with a joint, and the water flow channel is communicated with the first water pipe and the second water pipe; when the first sleeve and the second sleeve are in a high-pressure state, the first connecting shaft can be deviated in the movable cavity along the axial direction to be separated from the support of the blocking piece, and the inner pipe, the first connecting shaft and the second connecting shaft can rotate in the circumferential direction relative to the first sleeve and the second sleeve. The utility model discloses simple structure, the assembly is convenient, connects firmly, and the rotary joint inner seal is effectual, can the arbitrary angle of rotation inner tube under high-pressure state and first even axle, second even axle, first water pipe fracture after can not the multitime rotation, and high-pressure cleaning effect is not influenced simultaneously.

Description

Cantilever high-pressure rotary joint for cleaning mechanism

Technical Field

The utility model belongs to the cleaning equipment field especially relates to a cantilever high pressure rotary joint for cleaning machine.

Background

The cleaning gun is connected with the water pipe through the high-pressure rotary joint, the cantilever can rotate relative to the rotary joint in the circumferential direction, the water outlet pipe in the cantilever can rotate relative to the water pipe, the high-pressure water is conveyed to the rotary joint, the internal components of the rotary joint are locked relatively, the rotating function of the water outlet pipe cannot be achieved, and the water outlet pipe and the rotary joint are easy to break after long-time use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a water outlet pipe can be rotatory along with the cantilever under high pressure state, simple structure, and the cleaning performance is good, long service life's a cantilever high pressure rotary joint for wiper mechanism.

The utility model provides a technical scheme that its technical problem adopted is: a cantilever high-pressure rotary joint for a cleaning mechanism comprises a mounting plate which can be connected to a high position in a hanging mode, a second sleeve which is fixedly arranged on the mounting plate, a supporting cantilever which is connected to the outside of the second sleeve in a rotating mode, a first sleeve which is connected with the second sleeve, an inner pipe which can penetrate out of the first sleeve and is connected with a first water pipe in the supporting cantilever, a first connecting shaft which is arranged concentrically with the inner pipe, a second connecting shaft which is smaller than the first connecting shaft in outer diameter, a bearing which is matched with the first connecting shaft in an anti-disengaging mode, a blocking piece which is sleeved on the second connecting shaft, a movable cavity which is formed between the first sleeve and the blocking piece, a sealing piece which is used for connecting the second connecting shaft and the second sleeve in a sealing mode, and a water flow channel which penetrates through the inner pipe, the first connecting shaft and the second connecting shaft, wherein a connector which can be connected with the second water pipe is arranged on the side wall of the second sleeve; when the first sleeve and the second sleeve are in a high-pressure state, the first connecting shaft can be deviated in the movable cavity along the axial direction to be separated from the support of the blocking piece, and the inner pipe, the first connecting shaft and the second connecting shaft can rotate in the circumferential direction relative to the first sleeve and the second sleeve.

The utility model discloses a cantilever high pressure rotary joint is under high pressure state, and the second is even the axle and forms the reducing structure that the external diameter reduces relatively first connecting shaft to the area of contact of high-pressure gas and second even axle is little, and the pressure that the second even axle received is less, and because the tip of second even axle is good with the sealed connection effect of the second cover body, when relatively rotating the second cover body, the sealing performance of second even axle and the second cover body is guaranteed, and the gas pressure that the second even axle received also relatively reduces simultaneously; the existence of the overlapped movable cavity increases the flexibility of the inner pipe, the first connecting shaft and the second connecting shaft relative to the first sleeve and the second sleeve, so that the inner pipe, the first connecting shaft and the second connecting shaft can easily drive the second water pipe to rotate, and the second water pipe of the cleaning mechanism can rotate randomly along with the supporting cantilever in a high-pressure state.

Furthermore, the first sleeve comprises an upper body and a lower body, wherein the outer wall of the upper body is provided with an external thread which can be in threaded connection with the second sleeve, and the end part of the lower body forms a shoulder which can be abutted against the upper body. The first sleeve is divided into an upper part body and a lower part body, so that the first sleeve is convenient to process independently, the processing and manufacturing cost is low, the second sleeve is convenient to assemble, the shoulder part is abutted against the end face of the upper part body in the axial direction and is abutted against the inner wall of the upper part body in the radial direction, and the positioning effect is realized in two directions.

Furthermore, reinforcing ribs are arranged in the lower part body along the circumferential direction. The strengthening rib can effectively increase the intensity of lower part body, guarantees its structural stability.

Furthermore, the separation blade includes separation blade one that can offset with first sleeve and separation blade two that can offset with the sealing member, and the external diameter of this separation blade two is less than the external diameter of separation blade one, and separation blade one and separation blade two phase laminating. The first separation blade is used for forming a movable cavity, the second separation blade firmly limits the sealing element in the second sleeve to ensure the sealing performance, and the first separation blade and the second separation blade are arranged in two bodies so as to be convenient for processing and manufacturing the separation blades.

Furthermore, a cylindrical mounting cavity matched with the sealing element is formed in the second sleeve, the side wall of the mounting cavity abuts against the outer wall of the sealing element, and the bottom wall of the mounting cavity abuts against the end face of the sealing element; the sealing element is a hollow cylindrical structure, and the inner wall of the sealing element is connected with the end part of the second connecting shaft in a sealing way.

Furthermore, the sealing element comprises a first sealing body and a second sealing body, the second sealing body is abutted to the bottom wall of the installation cavity, and the elasticity of the second sealing body is greater than that of the first sealing body. First seal and second seal are made respectively to the different materials of two kinds of elasticity, and firstly bigger deformation can also take place to improve sealed effect at the second seal under the extrusion of first seal, secondly be favorable to the dispersion of power for the pressure that the second even axle received is littleer.

Further, a cavity for communicating the joint and the water flow channel is formed in the second sleeve.

Further, the first connecting shaft end forms an annular flange for avoiding bearing separation; and a first sheath and a second sheath are respectively attached to two sides of the bearing.

Furthermore, the first connecting shaft has a movable stroke of 1mm along the axial offset in the movable cavity. The existence of activity stroke in the activity cavity makes bearing, inner tube, first even axle and second even axle under high pressure state, can take place small displacement, avoids it to be out of shape by high pressure extrusion, and is less relatively to the requirement of assembly, guarantees certain activity space under the high pressure state simultaneously, the synchronous circumferential direction of inner tube and first even axle, second even axle and first water pipe of being convenient for.

Furthermore, the inner pipe is provided with a second external thread which can be connected with the first water pipe and a force application tangent plane which is convenient for rotating the inner pipe. Inner tube and first water pipe threaded connection, connection structure is simple firm, for the convenience of the relative arbitrary angle rotation separation of first water pipe of inner tube, can exert the rotatory inner tube of external force on the application of force tangent plane.

The utility model has the advantages that: simple structure, it is convenient to assemble, connects firmly, and the rotary joint internal seal is effectual, and the inner tube of angle rotation wantonly can be under high pressure state and first even axle, second are even the axle for first water pipe can be along with supporting the synchronous circumference of cantilever rotation, has solved the connection problem between two parts that the fixed other end of one end needs the rotation, and first water pipe can not be rotatory back fracture many times, and high-pressure cleaning effect is not influenced simultaneously.

Drawings

Fig. 1 is a schematic view of a part of the structure of the present invention.

Fig. 2 is a schematic structural diagram of the mounting plate of the present invention.

Fig. 3 is a schematic structural diagram of the rotary joint of the present invention assembled on the mounting plate.

Fig. 4 is a schematic view of a part of the structure of the rotary joint of the present invention.

Fig. 5 is an integral structural schematic diagram of the inner tube, the first connecting shaft and the second connecting shaft of the present invention.

Fig. 6 is a schematic view of a partially exploded structure of the rotary joint of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in fig. 1-6, a cantilever high-pressure swivel joint for a cleaning mechanism comprises a mounting plate 72 detachably connected to a high position of a wall surface through the cooperation of a peripheral waist-shaped hole 721 and a screw, a second sleeve 7 vertically and fixedly connected to the mounting plate 72, a supporting cantilever 73 rotatably connected to the outer wall of the second sleeve 7 through a bearing, a first sleeve 1 detachably connected to the second sleeve 7, a first water pipe 23 extending in the supporting cantilever 73, an inner pipe 2 connected to the first water pipe 23 after the end portion of the inner pipe penetrates out of the first sleeve 1, a first connecting shaft 3 integrally connected and concentrically arranged with the inner pipe 2, a second connecting shaft 4 integrally connected and concentrically arranged with the first connecting shaft 3, and a sealing member 8 arranged at the end portion of the second connecting shaft 4.

The first sleeve 1 comprises an upper body 11 and a lower body 12 which are both hollow structures, wherein the outer wall of the upper body 11 is provided with external threads, the inner wall of the lower body 12 is circumferentially provided with reinforcing ribs (not shown in the figure) for increasing the strength of the lower body, the end part of the lower body 12 close to the upper body 11 is provided with a shoulder 121, and the shoulder 121 can be abutted against the end surface and the inner wall of the upper body 11. Of course, in other embodiments, the upper body 11 and the lower body 12 may be a unitary structure.

The second sleeve 7 is of a hollow structure, one end of the second sleeve is welded with the mounting plate 72, a connector 74 with external threads is connected to the outer wall of the second sleeve 7 close to one side of the mounting plate 72, the connector 74 can be connected with a second water pipe, and the second water pipe is a water inlet end; the second sleeve body 7 can be sequentially divided into three parts from one side of the mounting plate 72, the first part is a cavity 75 which can be communicated with the joint 74, the second part is a cylindrical mounting cavity 71 matched with the sealing element 8, and the inner wall of the third part is formed with internal threads. When the first sleeve 1 and the second sleeve 7 are assembled, the internal thread of the third part is in threaded connection with the upper body 11 of the first sleeve 1, and the other end face of the lower body 12 is abutted against the baffle 6 and is positioned in the third part.

One end of the inner pipe 2 with the second external thread 21 penetrates out of the first sleeve 1 and then is in threaded connection with the first water pipe 23, a force application tangent plane 22 which is convenient for applying external force to the inner pipe 2 to rotate the inner pipe 2 is formed on the inner pipe 2 by cutting a part close to the second external thread 21, a first connecting shaft 3 with an increased outer diameter is formed on the part close to the force application tangent plane 22 on the inner pipe 2, the outer diameter of the first connecting shaft 3 is equivalent to the inner diameter of an opening 12 on the first sleeve 1, a bearing 5 is sleeved on the first connecting shaft 3, a first sheath 51 and a second sheath 52 are respectively attached to two sides of the bearing 5 for protecting the bearing 5, an annular flange 31 is formed at the end part of the first connecting shaft 3 for preventing the bearing 5 from being separated from the inner pipe 2, and therefore the bearing 5.

The second is connected axle 4 an organic whole at the tip of first connecting axle 3, and its external diameter is less than the external diameter of first connecting axle 3, has cup jointed separation blade 6 on the second connecting axle 4, and when first sleeve 1 and second sleeve 7 threaded connection accomplished the assembly, a side surface of separation blade 6 and the lower part body 12 looks butt of first sleeve 1. The separation blade 6 comprises a first separation blade 61 and a second separation blade 62, the first separation blade 61 is a hollow annular structure with an inner wall attached to the second connecting shaft 4, the second separation blade 62 is also a hollow annular structure with an inner wall attached to the second connecting shaft 4, the second separation blade 62 is attached to the surface of the first separation blade 61, but the outer diameter of the second separation blade 62 is smaller than that of the first separation blade 61. Of course, in other embodiments, the first blocking piece 61 and the second blocking piece 62 may be an integral structure. The surface of the first blocking piece 61 opposite to the surface of the second blocking piece 62 abuts against the lower body 12 of the first sleeve 1, and the surface of the second blocking piece 62 far away from the first blocking piece 61 abuts against the sealing element 8.

The size and the shape of the sealing element 8 are matched with those of the mounting cavity 71, so that the outer wall of the sealing element 8 is abutted against the side wall of the mounting cavity 71 to realize sealing connection, and the bottom of the mounting cavity 71 is abutted against the end face of the sealing element 8 to realize sealing connection. In order to ensure the sealing effect, the sealing member 8 includes a first sealing body 81 and a second sealing body 82, the first sealing body 81 is a hollow cylindrical structure, the inner wall of the first sealing body is abutted with the outer wall of the end portion of the second connecting shaft 4 to realize sealing connection, the second sealing body 82 is a hollow annular structure, namely the thickness of the second sealing body 82 is smaller than that of the first sealing body 81, the end surface of the first sealing body 81 is abutted with the second blocking piece 62 to realize sealing connection, one end surface of the second sealing body 82 is abutted with the first sealing body 81, the other end surface is abutted with the bottom of the installation cavity 71 to realize sealing connection, the elasticity of the second sealing body 82 is larger than that of the first sealing body 81, therefore, under high-pressure, the deformation of the second sealing body 82 is larger than that of the first sealing body 81, and because the outer wall of the second.

The inner pipe 2 is internally hollow, the first connecting shaft 3 and the second connecting shaft 4 are internally hollow and communicated with the inner pipe 2, namely, the inner pipe 2, the first connecting shaft 3 and the second connecting shaft 4 are internally provided with a water flow channel which penetrates through, and when the inner pipe 2 is connected with the first water pipe 23, the water flow channel is communicated with the first water pipe 23, the cavity 75 and the joint 74.

When the assembly is completed, the second sleeve 7 is connected to a second water pipe (not shown in the figure) which is a water inlet end, and the inner pipe 2 penetrating out of the first sleeve 1 can be connected to a first water pipe 23 which is a water outlet end.

The sealing element 8 is firmly resisted in the mounting cavity 71 by the baffle piece II 62, the baffle piece I61 and the inner wall of the sleeve body I1 form a movable cavity 9, the inner pipe 2 penetrates out of the movable cavity 9 of the first sleeve 1, the first sheath 51 is abutted against the inner bottom wall of the first sleeve 1, the bearing 5, the first connecting shaft 3 and the second connecting shaft 4 are positioned in the movable cavity 9, the movable cavity 9 is the distance between the baffle piece I61 and the inner bottom wall of the first sleeve 1, and the height of the movable cavity 9 is slightly larger than the superposed height of the bearing 5 and the flange 31, so that the first connecting shaft 3 can axially shift in the movable cavity 9, and the shifting stroke is small and is about 1 mm.

When high-pressure gas is filled between the first sleeve 1 and the second sleeve 7, namely the first sleeve 1 and the second sleeve 7 are in a high-pressure state, due to the existence of the movable cavity 9, the first connecting shaft 3 can axially shift in the movable cavity 9, and the part of the first connecting shaft 3 can penetrate out of the opening 12 by about 1mm, so that the flange 31 can be separated from the abutting pressure of the first blocking piece 61, at the moment, the inner pipe 2, the first connecting shaft 3 and the second connecting shaft 4 can circumferentially rotate relative to the first sleeve 1 and the second sleeve 7, and the existence of the bearing 5 enables the rotation not to consume too much force. Due to the existence of the sealing element 8, the circumferential rotation of the second sleeve 7 cannot influence the sealing performance, and the outer diameter of the second connecting shaft 4 is smaller than that of the first connecting shaft 3, so that the high pressure applied to the second connecting shaft 4 is relatively small, and the circumferential rotation of the inner pipe 2, the first connecting shaft 3 and the second connecting shaft 4 is realized under the action of the bearing 5, so that the problem that the first water pipe 23 is easy to break after being circumferentially rotated for many times along with the supporting cantilever 73 under high pressure is solved.

The above detailed description is provided for illustrative purposes, and is not intended to limit the present invention, and any modifications and variations of the present invention are within the spirit and scope of the following claims.

Claims

1. A cantilever high pressure rotary joint for wiper mechanism which characterized in that: including mounting panel (72) that can hang and connect in the eminence, second sleeve (7) of mounting panel (72) set firmly, rotate support cantilever (73) of connecting outside second sleeve (7), first sleeve (1) that links to each other with second sleeve (7), can wear out back from first sleeve (1) and support inner tube (2) that first water pipe (23) in cantilever (73) link to each other, first even axle (3) with inner tube (2) concentric setting, second even axle (4) that the external diameter is less than first even axle (3), with first even axle (3) anticreep complex bearing (5), cover separation blade (6) of locating second even axle (4), form activity cavity (9) between first sleeve (1) and separation blade (6), sealing member (8) for sealing connection second even axle (4) and second sleeve (7), and run through inner tube (2) and first even axle (3) and, A water flow channel of the second connecting shaft (4), wherein a joint (74) which can be connected with a second water pipe is arranged on the side wall of the second sleeve (7), and the water flow channel is communicated with the first water pipe (23) and the second water pipe; when the first sleeve (1) and the second sleeve (7) are in a high-pressure state, the first connecting shaft can be deviated in the movable cavity along the axial direction to be separated from the supporting pressure of the blocking sheet, and the inner pipe, the first connecting shaft (3) and the second connecting shaft (4) can rotate in the circumferential direction relative to the first sleeve (1) and the second sleeve (7).

2. The cantilevered high pressure swivel for a wash mechanism of claim 1, wherein: the first sleeve (1) comprises an upper portion body (11) and a lower portion body (12), wherein an external thread (111) capable of being in threaded connection with the second sleeve (7) is arranged on the outer wall of the upper portion body (11), and a shoulder portion (121) capable of being abutted against the upper portion body (11) is formed at the end portion of the lower portion body (12).

3. The cantilevered high pressure swivel for a wash mechanism of claim 2, wherein: and reinforcing ribs are arranged in the lower part body (12) along the circumferential direction.

4. The cantilevered high pressure swivel for a wash mechanism of claim 1, wherein: the separation blade (6) comprises a first separation blade (61) capable of abutting against the first sleeve (1) and a second separation blade (62) capable of abutting against the sealing element (8), the outer diameter of the second separation blade (62) is smaller than that of the first separation blade (61), and the first separation blade (61) is attached to the second separation blade (62).

5. The cantilevered high pressure swivel for a wash mechanism of claim 1, wherein: a cylindrical mounting cavity (71) matched with the sealing element (8) is formed in the second sleeve (7), the side wall of the mounting cavity (71) abuts against the outer wall of the sealing element (8), and the bottom wall of the mounting cavity (71) abuts against the end face of the sealing element (8); the sealing element (8) is a hollow cylindrical structure, and the inner wall of the sealing element is connected with the end part of the second connecting shaft (4) in a sealing way.

6. The cantilevered high pressure swivel for a wash mechanism of claim 5, wherein: the sealing element (8) comprises a first sealing body (81) and a second sealing body (82), the second sealing body (82) is abutted to the bottom wall of the mounting cavity (71), and the elasticity of the second sealing body (82) is larger than that of the first sealing body (81).

7. The cantilevered high pressure swivel for a wash mechanism of claim 1, wherein: a cavity (75) for communicating the joint (74) and the water passage is formed in the second sleeve (7).

8. The cantilevered high pressure swivel for a wash mechanism of claim 1, wherein: the end part of the first connecting shaft (3) forms an annular flange (31) for preventing the bearing (5) from separating; and a first sheath (51) and a second sheath (52) are respectively attached to two sides of the bearing (5).

9. The cantilevered high pressure swivel for a wash mechanism of claim 1, wherein: the first connecting shaft (3) has a movable stroke of 1mm along axial offset in the movable cavity (9).

10. The cantilevered high pressure swivel for a wash mechanism of claim 1, wherein: the inner pipe (2) is provided with a second external thread (21) which can be connected with the first water pipe (23) and a force application tangent plane (22) which is convenient for rotating the inner pipe.