Split linkage type multi-way valve

Abstract

The utility model provides a split linkage type multi-way valve which comprises a valve body, the left side of the upper end of the valve body is fixedly connected with a second circulation oil port, the right side of the upper end of the valve body is fixedly connected with a first circulation oil port, and the valve body is externally connected with oil injection filtering equipment. Oil conveying hoses are fixedly connected to the ends, away from the valve body, of the first circulating oil port and the second circulating oil port correspondingly, protective deformable pipe sleeves are arranged at the outer ends of the two oil conveying hoses correspondingly, and each protective deformable pipe sleeve comprises a plurality of single telescopic rings which are vertically arranged up and down. A pair of folding angle connecting rotating shafts is installed between every two adjacent single telescopic rings, comprehensive physical protection can be provided for an oil conveying hose through the protective deformable pipe sleeve capable of achieving two kinds of variable dimensions and stretching at the same time, and when the valve body and equipment operate in a vibration environment, the valve body can be protected from vibration; the protective deformable pipe sleeve can effectively buffer friction between the oil conveying hose and hard objects such as surrounding metal parts and supports, and the outer wall is prevented from being abraded.

Description

TECHNICAL FIELD

[0001] The utility model relates to a split linkage type multi-way valve belongs to valve body equipment technical field. BACKGROUND

[0002] The split linkage type multi-way valve is a control element for hydraulic system, which is mainly composed of multiple split valve units and linkage mechanisms. In the hydraulic system, it plays a role of controlling the flow direction, pressure and flow of hydraulic oil, thereby driving multiple hydraulic actuating elements (such as hydraulic cylinders and hydraulic motors) to work cooperatively.

[0003] A multi-way valve of Chinese patent number CN211950437U. The multi-way valve comprises an upper valve body, a lower valve body and a rotary valve core, the upper valve body and the lower valve body are respectively provided with coaxially arranged upper mounting holes and lower mounting holes, the upper end of the rotary valve core is arranged in the upper mounting hole, the lower end of the rotary valve core is arranged in the upper mounting hole, and the rotary valve core is arranged with a first upper shaft sleeve capable of axial positioning at the position close to the bottom of the upper mounting hole. The utility model connects the rotary valve core with the upper mounting hole through the first upper shaft sleeve capable of axial positioning and the second upper shaft sleeve capable of radial positioning, so that the rotary valve core can bear larger axial and radial loads, meeting the demand of large-diameter and high-pressure multi-way valve. At the same time, different shaft sleeves are adopted, the positioning accuracy is high, and the rotary valve core operates more stably.

[0004] When the split linkage type multi-way valve is used, the oil injection pipeline between the valve body and the equipment is used in the vibration environment, which is easy to contact with the adjacent rough surface, causing the outer wall of the hose to be worn. Long-term wear will gradually thin the outer rubber layer of the hose, reduce the strength of the hose, and eventually cause the hose to rupture, resulting in hydraulic oil leakage and affecting the normal operation of the multi-way valve.

[0005] Therefore, a split linkage type multi-way valve is provided. Utility model content

[0006] Therefore, the utility model provides a split linkage type multi-way valve to solve or alleviate the technical problems existing in the prior art, at least providing a beneficial choice.

[0007] The technical scheme of the utility model is achieved as follows: a split linkage type multi-way valve, comprising a valve body, a second circulating oil port being fixedly connected to the upper left side of the valve body, a first circulating oil port being fixedly connected to the upper right side of the valve body, an oil injection filtering device being connected to the valve body, an oil delivery hose being fixedly connected to the end of the first circulating oil port and the second circulating oil port away from the valve body, a protective deformable sleeve being arranged at the outer end of the two oil delivery hoses, the protective deformable sleeve comprising a plurality of single telescopic rings arranged vertically, a pair of folding angle connecting shafts being arranged between the two single telescopic rings, the two folding angle connecting shafts being arranged on the left and right sides of the single telescopic ring, the single telescopic ring comprising a plurality of flexible vertical blocks, the flexible vertical blocks being arranged in a ring shape at equal intervals, and a pair of horizontal elastic stretching members being arranged between the two flexible vertical blocks.

[0008] Further preferably, the valve body comprises a plurality of single valve blocks, and the single valve blocks are arranged horizontally.

[0009] Further preferably, the two horizontal elastic stretching members are arranged symmetrically, and the two protective deformable sleeves are arranged on the outer sides of the oil delivery hoses.

[0010] Further preferably, the end of the oil delivery hose away from the valve body is provided with a pipeline interface, and the two pipeline interfaces are connected to the input end and the output end of the oil injection filtering device.

[0011] Further preferably, the upper and lower ends of the protective deformable sleeve are fixedly connected with clamping ring port sleeves, and the two clamping ring port sleeves are sleeved with the corresponding pipeline interfaces and the second circulating oil port and the first circulating oil port.

[0012] Further preferably, the inner side wall of the clamping ring port sleeve is fixedly connected with an anti-dropping inner rubber ring, and the anti-dropping inner rubber ring is in contact with the outer side wall of the corresponding pipeline interface and the second circulating oil port and the first circulating oil port.

[0013] Further preferably, the inner side wall of the flexible vertical block is fixedly connected with a buffer flexible inner layer, and the buffer flexible inner layer is in contact with the outer side wall of the oil delivery hose.

[0014] Further preferably, the outer side wall of the flexible vertical block is fixedly connected with a wear-resistant outer layer, and the wear-resistant outer layer is in contact with the connecting base surface.

[0015] The utility model embodiment has the following advantages due to the adoption of the above technical scheme.

[0016] When the oil conveying hose is connected between the valve body and the oil injection filtering device, a protective deformable sleeve is arranged outside the oil conveying hose, a plurality of single telescopic rings of the protective deformable sleeve can change in horizontal dimension through horizontal elastic stretchers between a plurality of flexible vertical blocks, the plurality of single telescopic rings change in vertical folding through folding angle connecting shafts, and the protective deformable sleeve which can change in two dimensions can provide comprehensive physical protection for the oil conveying hose, and can effectively buffer the friction between the oil conveying hose and surrounding metal parts, supports and other hard objects, and prevent the outer wall from being abraded.

[0017] The protective deformable sleeve has strong adjustable capacity, is suitable for various types of oil conveying hoses, has strong functionality, and when the protective deformable sleeve is arranged outside the oil conveying hose, the clamping ring mouth outer sleeve at both ends of the protective deformable sleeve can be arranged outside the corresponding pipeline interface and the second circulating oil port and the first circulating oil port, the contact tightness of the clamping ring mouth outer sleeve and the outer wall surface of the pipeline interface and the second circulating oil port and the first circulating oil port is improved through the anti-dropping inner rubber ring, the protective deformable sleeve is stably covered outside the oil conveying hose and is not easy to fall off, and the working state is more stable.

[0018] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features will be readily apparent to those skilled in the art by reference to the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0020] Figure 1 is a structure schematic view of the split linkage type multi-way valve of the present application;

[0021] Figure 2 is a structure schematic view of the valve body of the present application;

[0022] Figure 3 is a structure schematic view of the protective deformable sleeve of the present application;

[0023] Figure 4 is an exploded structure schematic view of the protective deformable sleeve of the present application;

[0024] Figure 5 A schematic diagram of a flexible vertical block structure of the utility model.

[0025] The figure mark: 1, valve body; 2, single valve block;3, first circulating oil port;4, second circulating oil port;5, oil delivery hose;6, oil injection filtering equipment;7, pipeline interface;8, single telescopic ring;10, transverse elastic tensioning piece;11, folding angle connecting pivot;12, clamping ring port cover;13, anti-dropping inner rubber ring;14, protective deformable tube sleeve;15, wear-resistant outer layer;16, buffer flexible inner layer;17, flexible vertical block. DETAILED DESCRIPTION

[0026] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the utility model. Therefore, the drawings and the description are considered to be essentially exemplary rather than limiting.

[0027] The embodiments of the utility model will be described in detail below in combination with the drawings.

[0028] Embodiment 1

[0029] As Figures 1-5 Indicated, the utility model embodiment provides a kind of split linkage type multi-way valve, including valve body 1, the upper end left side of valve body 1 is fixedly connected with second circulating oil port 4, the upper end right side of valve body 1 is fixedly connected with first circulating oil port 3, valve body 1 is connected with oil injection filtering equipment 6, first circulating oil port 3 and second circulating oil port 4 are fixedly connected with oil delivery hose 5 at the end away from valve body 1, the outer end of two oil delivery hoses 5 is provided with protective deformable tube sleeve 14, protective deformable tube sleeve 14 includes multiple single telescopic ring 8 vertically arranged, a pair of folding angle connecting pivot 11 is installed between adjacent two single telescopic ring 8, two folding angle connecting pivots 11 are respectively located at the left and right sides of single telescopic ring 8, single telescopic ring 8 includes multiple flexible vertical block 17, multiple flexible vertical block 17 are annularly equidistantly arranged, a pair of transverse elastic tensioning piece 10 is installed between adjacent two flexible vertical block 17.

[0030] The valve body body 1 includes a plurality of single valve blocks 2, the plurality of single valve blocks 2 are horizontally arranged, two transverse elastic tension members 10 are symmetrically arranged up and down, two protective deformable pipe sleeves 14 are respectively sleeved outside the oil conveying hose 5, the oil conveying hose 5 is provided with a pipeline interface 7 at the end away from the valve body body 1, the two pipeline interfaces 7 are respectively connected with the input end and the output end of the oil injection filtering device 6, the inner side wall of the flexible vertical block 17 is fixedly connected with the buffer flexible inner layer surface 16, the buffer flexible inner layer surface 16 is in contact with the outer side wall of the oil conveying hose 5, the outer side wall of the flexible vertical block 17 is fixedly connected with the wear-resistant outer layer surface 15, and the wear-resistant outer layer surface 15 is in contact with the connecting base surface.

[0031] Embodiment 2

[0032] As Figures 2-3 shown, in one embodiment, the upper and lower ends of the protective deformable pipe sleeve 14 are fixedly connected with the clamping ring mouth sleeve 12, the two clamping ring mouth sleeves 12 are respectively sleeved with the corresponding pipeline interface 7 and the second circulating oil port 4 and the first circulating oil port 3, the inner side wall of the clamping ring mouth sleeve 12 is fixedly connected with the anti-dropping inner rubber ring 13, and the anti-dropping inner rubber ring 13 is in contact with the outer side wall of the corresponding pipeline interface 7 and the second circulating oil port 4 and the first circulating oil port 3.

[0033] By simultaneously sleeving the protective deformable pipe sleeve 14 outside the oil conveying hose 5, the clamping ring mouth sleeve 12 at both ends of the protective deformable pipe sleeve 14 is sleeved outside the corresponding pipeline interface 7 and the second circulating oil port 4 and the first circulating oil port 3, and the anti-dropping inner rubber ring 13 is used to improve the contact tightness of the clamping ring mouth sleeve 12 and the outer wall surface of the pipeline interface 7 and the second circulating oil port 4 and the first circulating oil port 3, so that the protective deformable pipe sleeve 14 can be stably covered outside the oil conveying hose 5 without falling off, and the working state is more stable.

[0034] The utility model discloses a valve body body 1 between oiling filter equipment 6 and valve body body 1 through oil delivery hose 5 interconnect, utilize oiling filter equipment 6 in for valve body body 1 provide clean, impurity -free hydraulic oil, ensure the normal operation of each component in valve body body 1, reduce the abrasion, jam and leakage and other problems caused by oil pollution, prolong the service life of multiway valve and improve its work reliability, simultaneously, when oil delivery hose 5 interconnect between valve body body 1 and oiling filter equipment 6, can set up the protection deformable pipe sleeve 14 outside oil delivery hose 5, the multiple single body telescopic ring 8 of protection deformable pipe sleeve 14 can through the transverse elastic tensioning piece 10 between multiple nimble vertical block 17 carry out transverse dimensional change, multiple single body telescopic ring 8 between through the folding angle connecting pivot 11 carry out vertical folding change, and through the protection deformable pipe sleeve 14 of realizing two kinds of changeable dimension can stretch simultaneously can provide comprehensive physical protection for oil delivery hose 5, when valve body body 1 and equipment operation produce vibration environment, protection deformable pipe sleeve 14 can effectively buffer the friction between oil delivery hose 5 and surrounding metal parts, support and other hard things, prevent the outer wall from being abraded, and the adjustable ability of protection deformable pipe sleeve 14 is strong, adapts to a variety of models of oil delivery hose 5, and the functionality is strong, simultaneously, when protection deformable pipe sleeve 14 is set on the outside of oil delivery hose 5, still can utilize the clamping ring mouth cover 12 of both ends of its set on the outside position of corresponding pipeline interface 7 and second circulating oil port 4 and first circulating oil port 3, simultaneously utilize the anti -drop inner rubber ring 13 of improving the close contact of clamping ring mouth cover 12 and pipeline interface 7 and second circulating oil port 4 and first circulating oil port 3 outer wall surface, can make protection deformable pipe sleeve 14 firmly cover in the outside position of oil delivery hose 5 and not easy to produce the phenomenon of falling, make its operating state more stable.

[0035] The above is only the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the utility model, and these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A split linkage multi-way valve comprising a valve body (1), characterized in that: The upper end left side of the valve body (1) is fixedly connected with a second circulating oil port (4), the upper end right side of the valve body (1) is fixedly connected with a first circulating oil port (3), the valve body (1) is externally connected with an oil injection filtering device (6), the ends, away from the valve body (1), of the first circulating oil port (3) and the second circulating oil port (4) are fixedly connected with oil conveying hoses (5), the outer ends of the two oil conveying hoses (5) are provided with protective deformable sleeve (14), the protective deformable sleeve (14) comprises a plurality of single telescopic rings (8) vertically arranged, a pair of folding angle connecting shafts (11) are arranged between the two single telescopic rings (8), the two folding angle connecting shafts (11) are respectively arranged on the left and right sides of the single telescopic ring (8), the single telescopic ring (8) comprises a plurality of flexible vertical blocks (17), the flexible vertical blocks (17) are arranged in a ring shape at equal intervals, and a pair of transverse elastic stretching members (10) are arranged between the two flexible vertical blocks (17).

2. The split-acting multi-way valve according to claim 1, wherein: The valve body (1) comprises a plurality of single valve blocks (2), and the single valve blocks (2) are horizontally arranged.

3. The split-acting multi-way valve according to claim 1, wherein: The two transverse elastic stretching members (10) are symmetrically arranged above and below, and the two protective deformable sleeves (14) are respectively sleeved on the outer sides of the oil conveying hoses (5).

4. The split-acting multi-way valve according to claim 1, wherein: The ends, away from the valve body (1), of the oil conveying hoses (5) are provided with pipeline interfaces (7), and the two pipeline interfaces (7) are respectively connected with the input end and the output end of the oil injection filtering device (6).

5. The split-acting multi-way valve according to claim 1, wherein: The upper and lower ends of the protective deformable sleeve (14) are fixedly connected with clamping ring mouth sleeves (12), and the two clamping ring mouth sleeves (12) are respectively sleeved with the corresponding pipeline interfaces (7) and the second circulating oil port (4) and the first circulating oil port (3).

6. A split action multi-way valve according to claim 5, wherein: The inner side wall of the clamping ring mouth sleeve (12) is fixedly connected with an anti-dropping inner rubber ring (13), and the anti-dropping inner rubber ring (13) is in contact with the outer side walls of the corresponding pipeline interfaces (7) and the second circulating oil port (4) and the first circulating oil port (3).

7. The split-acting multi-way valve according to claim 1, wherein: The inner side wall of the flexible vertical block (17) is fixedly connected with a buffer flexible inner layer (16), and the buffer flexible inner layer (16) is in contact with the outer side wall of the oil conveying hose (5).

8. The split-acting multi-way valve according to claim 1, wherein: The outer side wall of the flexible vertical block (17) is fixedly connected with a wear-resistant outer layer (15), and the wear-resistant outer layer (15) is in contact with the connecting base surface. The outer side wall of the flexible vertical block (17) is fixedly connected with a wear-resistant outer layer (15), and the wear-resistant outer layer (15) is in contact with the connecting base surface.

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