CN211715831U

CN211715831U - Reversing valve convenient to install

Info

Publication number: CN211715831U
Application number: CN202020291646.0U
Authority: CN
Inventors: 张广球; 闵济连
Original assignee: Huaian Hongda Hydraulic Machinery Co ltd
Current assignee: Huaian Hongda Hydraulic Machinery Co ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-10-20
Anticipated expiration: 2030-03-11

Abstract

The utility model relates to the technical field of reversing valves, in particular to a reversing valve convenient to install, which comprises a valve body, a handle and a P-end interface, wherein the middle end inside the valve body is provided with a sealing cavity through pouring processing, a valve rod is arranged inside the sealing cavity, one side of the valve rod is fixed with a left piston, and one side of the left piston far away from the valve rod is welded with a connecting rod, the handle is arranged right above one side of the connecting rod, in the utility model, after a connecting bracket, a lower conjunction block, a B-end interface, an upper conjunction block, a conjunction ring and a connecting pipeline are arranged, the connecting bracket after being pulled is combined with the conjunction ring to carry the connecting pipeline, and just after the lower conjunction block and the upper conjunction block are simultaneously arranged inside the conjunction groove, the connecting pipeline is just inserted into the B-end interface in a vertical mode all the time, and the pipeline screw connection operation in the later period is more convenient, the whole installation mode is accurate and convenient, and the phenomenon of position deviation in the later-stage pipeline installation process is effectively avoided.

Description

Reversing valve convenient to install

Technical Field

The utility model relates to a switching-over valve technical field specifically is a switching-over valve convenient to installation.

Background

The reversing valve is a directional control valve with more than two flow forms and more than two oil ports. The valve realizes the communication, cut-off and reversal of hydraulic oil flow, pressure unloading and sequential action control. The direction control valve depends on the relative movement of the valve core and the valve body, and the reversing valve is also called as a Criss valve, and one of the valves is provided with a multi-directional adjustable channel which can change the flow direction of fluid at proper time. Can be divided into a manual reversing valve, an electromagnetic reversing valve, an electro-hydraulic reversing valve and the like.

The switching-over valve on the market is when realizing the directional control to orificial through manual mode, and the side skew that causes in the direct grafting installation of pipeline is connected, leads to later stage pipeline link to appear leaking phenomenon very easily to through manual operation control back many times, most staff adopt the mode of following the direct injection of single direction to realize lubricated operation, and this mode causes the phenomenon that lubricated is not in place enough extremely easily, consequently, proposes the switching-over valve convenient to installation to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a switching-over valve convenient to installation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a reversing valve convenient to install comprises a valve body, a handle and a P-end interface, wherein a sealing cavity is formed in the middle end of the interior of the valve body through pouring, a valve rod is arranged in the sealing cavity, a left piston is fixed to one side of the valve rod, a connecting rod is welded to one side, away from the valve rod, of the left piston, the handle is arranged right above one side of the connecting rod, the connecting rod is movably connected with the handle through a first connecting shaft, a movable cavity is formed in the joint of the handle and the valve body and movably connected with the handle through a second connecting shaft, a first sealing assembly is installed at the bottom of the valve rod through an integrated arrangement, a second sealing assembly is fixed to the top of the valve rod, a B-end interface is communicated with the bottom of the valve body, an A-end interface is arranged on one side of the B-end interface, the P-end interface is fixed to one side of the top of the valve body through an integrated arrangement, a right piston is fixed on the other side of the valve rod, an engagement rod is fixed on one side, far away from the valve rod, of the right piston, a spring is sleeved on the outer end of the engagement rod, a connecting pipeline is inserted into the interior of the end-B port, a fitting ring is sleeved on the outer end of the connecting pipeline, connecting supports are fixed on two sides of the fitting ring, lower fitting blocks are welded on two sides of the end-B port, an upper fitting block is fixed right above the lower fitting block, fitting grooves are formed in the upper fitting block and the lower fitting block through one-time cutting, one side of the upper fitting block and the outer wall of the end-B port are welded and fixed, a connecting outer frame is sleeved on the outer end of the handle, a storage cavity is formed in the connecting outer frame through an integrated arrangement, an oil outlet pipeline is communicated with the bottom of the storage cavity, an oil inlet pipeline is communicated with the top of the storage cavity, and an upper limit ring is arranged above the joint of the connecting outer frame and the handle, and a lower limit ring is fixed below the joint of the connecting outer frame and the handle.

Preferably, coincide each other between the horizontal axis of sealed chamber and the horizontal axis of valve rod, and the valve rod passes through right piston and links pole fixed connection, one side of right piston and one side welded fastening of spring, and the opposite side and the sealed chamber fixed connection of spring, the valve rod passes through right piston, links up pole and spring constitution elastic construction.

Preferably, adjacent setting between first seal assembly and the A end interface, and the connection of A end interface and valve body constitutes the integral type structure, the inside of A end interface, B end interface, P end interface and O end interface all is the distribution of hollow column structure and sets up.

Preferably, a side face of each of the left piston and the right piston is attached to the inner wall of the sealing cavity, and the left piston forms a movable structure through the connecting rod, the first connecting shaft, the second connecting shaft and the handle.

Preferably, the inside of the connecting pipeline and the inside of the end-B interface are communicated with each other, the connecting pipeline and the engagement ring are connected to form a staggered structure, connecting supports with symmetrical structures are arranged on two sides of the engagement ring, the top ends of the connecting supports are matched with the inner ends of the engagement grooves in shape, and the connecting supports are connected with the lower engagement block and the upper engagement block in an engagement mode through the engagement grooves.

Preferably, go up spacing ring and set up for the symmetry axis and spacing ring symmetry down along the horizontal axis that connects the frame, and limit ring, last spacing ring all set up and handle fixed connection through the integral type down, the inside of connecting the frame is provided with the inside storage chamber that is hollow column structure, and the connection of connecting frame and handle constitutes nested structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the connecting bracket, the lower conjunction block, the B end interface, the upper conjunction block, the conjunction ring and the connecting pipeline which are arranged, the connecting bracket after being pulled is combined to carry the connecting pipeline through the conjunction ring, and just after the interior of the conjunction groove arranged in the lower conjunction block and the upper conjunction block is just inserted simultaneously, the connecting pipeline just inserts the interior of the B end interface in a vertical mode all the time, the pipeline spiral connection operation carried out in the later period is more convenient, the whole installation mode is accurate and convenient, and the phenomenon of position deviation in the later period pipeline installation process is effectively avoided;

2. the utility model discloses in, through the handle that sets up, connect the frame, the storage chamber, go up spacing ring and lower spacing ring, the lubricated medium that combines to correspond is injected in the inside in storage chamber, when needs lubricate the processing to handle and its link, under the spacing cooperation of last spacing ring and lower spacing ring, the connection frame after the atress is realizing circling round the rotation back fast, the device rotates the multidirectional throw-off unrestrained of in-process lubricated medium, can follow the different position of link and realize the lubricated operation that corresponds, and through realize multidirectional lubricated processing in lubricated in-process, can ensure the lubricated effect of later stage link.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the left push handle of the present invention;

FIG. 3 is a schematic view of the structure of the right push handle of the present invention;

FIG. 4 is a schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 5 is a schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: 1-valve body, 2-sealing cavity, 3-valve rod, 4-connecting rod, 5-handle, 6-first connecting shaft, 7-second connecting shaft, 8-first sealing component, 9-second sealing component, 10-left piston, 11-B end interface, 12-A end interface, 13-P end interface, 14-O end interface and 15-movable cavity, 16-right piston, 17-connecting rod, 18-spring, 19-connecting pipeline, 20-conjunction ring, 21-connecting bracket, 22-lower conjunction block, 23-upper conjunction block, 24-conjunction groove, 25-connecting outer frame, 26-storage cavity, 27-oil outlet pipeline, 28-oil inlet pipeline, 29-upper limit ring and 30-lower limit ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings 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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a reversing valve convenient to install comprises a valve body 1, a handle 5 and a P-end interface 13, wherein a sealing cavity 2 is formed in the middle end inside the valve body 1 through pouring, a valve rod 3 is arranged in the sealing cavity 2, a left piston 10 is fixed on one side of the valve rod 3, a connecting rod 4 is welded on one side, far away from the valve rod 3, of the left piston 10, the handle 5 is arranged right above one side of the connecting rod 4, the connecting rod 4 is movably connected with the handle 5 through a first connecting shaft 6, a movable cavity 15 is formed in the joint of the handle 5 and the valve body 1, the movable cavity 15 is movably connected with the handle 5 through a second connecting shaft 7, a first sealing assembly 8 is arranged at the bottom of the valve rod 3 through an integral mode, a second sealing assembly 9 is fixed at the top of the valve rod 3, a B-end interface 11 is communicated with the bottom of the valve body 1, an A-end interface 12 is arranged on one side of the B-end interface 11, the P-end, an O-end port 14 is communicated with the other side of the top of the valve body 1, a right piston 16 is fixed on the other side of the valve rod 3, an engaging rod 17 is fixed on one side, away from the valve rod 3, of the right piston 16, a spring 18 is sleeved on the outer end of the engaging rod 17, a connecting pipeline 19 is inserted inside the B-end port 11, a fitting ring 20 is sleeved on the outer end of the connecting pipeline 19, connecting supports 21 are fixed on two sides of the fitting ring 20, lower fitting blocks 22 are welded on two sides of the B-end port 11, an upper fitting block 23 is fixed right above the lower fitting blocks 22, fitting grooves 24 are formed in the inner parts of the upper fitting blocks 23 and the lower fitting blocks 22 through one-time cutting processing, one side of the upper fitting blocks 23 is welded and fixed with the outer wall of the B-end port 11, a connecting outer frame 25 is sleeved on the outer end of the handle 5, a storage cavity 26 is formed in the inner part of the connecting outer frame 25 through integral arrangement, an oil outlet pipeline 27 is communicated with the bottom of, an oil inlet pipeline 28 is communicated with the top of the storage cavity 26, an upper limit ring 29 is sleeved above the joint of the connecting outer frame 25 and the handle 5, and a lower limit ring 30 is fixed below the joint of the connecting outer frame 25 and the handle 5.

The transverse central axis of the sealing cavity 2 and the transverse central axis of the valve rod 3 are overlapped with each other, the valve rod 3 is fixedly connected with the linking rod 17 through the right piston 16, one side of the right piston 16 is welded and fixed with one side of the spring 18, the other side of the spring 18 is fixedly connected with the sealing cavity 2, the valve rod 3 forms an elastic structure through the right piston 16, the linking rod 17 and the spring 18, along with the fact that the device controls the handle 5 in the left-right direction, the valve rod 3 is carried to overcome the rebound effect generated by the spring 18 through the right piston 16 and the linking rod 17, and the spring 18 plays a limiting role in the position of the valve rod 3 in the moving process while being matched with the whole valve rod 3 to achieve corresponding left-right moving operation by utilizing the rebound effect of the spring 18; the first sealing component 8 and the A-end interface 12 are adjacently arranged, the A-end interface 12 and the valve body 1 are connected to form an integrated structure, the A-end interface 12, the B-end interface 11, the P-end interface 13 and the O-end interface 14 are distributed in a hollow structure, each interface of the combination device is communicated with a corresponding pipeline, when the whole device is in a working state, under the hollow matching of the movable cavity 15, the device takes the second connecting shaft 7 as a movable component, the handle 5 is pulled to move and deflect leftwards through manual control, so that after the stressed first sealing component 8 and the stressed second sealing component 9 deflect rightwards, liquid entering from the B-end interface 11 is sent out from the inside of the O-end interface 14 after being communicated with each other, and liquid entering from the P-end interface 13 is sent out from the inside of the A-end interface 12, when the handle 5 deflects rightwards, the first sealing component 8 and the second sealing component 9 deflect leftwards, liquid entering from the P-end interface 13 is sent out from the interior of the B-end interface 11, and liquid entering from the A-end interface 12 is sent out from the interior of the O-end interface 14, so that the aim of periodically changing the flow direction is fulfilled, and the working principle of the manual reversing valve related to the structure is the prior art; one side surfaces of the left piston 10 and the right piston 16 are mutually attached to the inner wall of the sealing cavity 2, the left piston 10 forms a movable structure through the connecting rod 4, the first connecting shaft 6, the second connecting shaft 7 and the handle 5, and the left piston 10 and the right piston 16 are just arranged at the left side and the right side of the valve rod 3 in the process of left-right deviation of the first sealing assembly 8 and the second sealing assembly 9, and at the moment, the arrangement of the left piston 10 and the right piston 16 can play a certain sealing role from the left side and the right side of the valve rod 3; the interior of the connecting pipe 19 and the interior of the B-end interface 11 are communicated with each other, the connecting pipe 19 and the fitting ring 20 are connected to form a staggered structure, the two sides of the fitting ring 20 are provided with connecting supports 21 in a symmetrical structure, the top ends of the connecting supports 21 are matched with the inner ends of the fitting grooves 24 in shape, the connecting supports 21 are clamped and connected with lower fitting blocks 22 and upper fitting blocks 23 through the fitting grooves 24, when the pipe needs to be installed, the fitting ring 20 is adjusted to be right in front of the B-end interface 11 under the matching of manual operation, the device utilizes a splicing mode, after the connecting pipe 19 is inserted into the fitting ring 20, the connecting support 21 after being stressed carries the connecting pipe 19 through the fitting ring 20 and is just inserted into the fitting grooves 24 arranged in the lower fitting blocks 22 and the upper fitting blocks 23 simultaneously, the connecting pipe 19 is just inserted into the B-end interface 11 in a always vertical mode, the device in later stage only needs to utilize the mode of screwed connection, realizes the accurate installation operation to the pipeline, and this structure is when making whole device have an accurate installation function, through the supplementary connection of aiming at in the installation. The phenomenon of position deviation in the later pipeline installation process can be effectively avoided; the upper limit ring 29 is arranged symmetrically with the lower limit ring 30 along the horizontal central axis of the connecting outer frame 25, the lower limit ring 30 and the upper limit ring 29 are fixedly connected with the handle 5 through an integrated arrangement, the connecting outer frame 25 is internally provided with a storage cavity 26 with a hollow structure, the connecting outer frame 25 and the handle 5 are connected to form a nested structure, the device is combined under the sleeve fit of the connecting outer frame 25, corresponding lubricating media are injected into the storage cavity 26 in advance, when the handle 5 serving as a driving member and a connecting end of the handle are required to be lubricated, after a sealing member at the lower end is removed, under the limit fit of the upper limit ring 29 and the lower limit ring 30, the device utilizes a gap generated during sleeve fit, manual control draws the connecting outer frame 25 to rotate rapidly in a rotating way, and the lubricating media are thrown and dropped in multiple directions during the rotating process of the device, can realize the lubricated operation that corresponds from the different position of link, this structure is when making whole device have a quick lubricating structure, through realize multidirectional lubrication processing at lubricated in-process, can ensure the lubricated effect of later stage link.

The working process is as follows: when the whole device is in a working state, under the hollow matching of the movable cavity 15, the stressed handle 5 moves and deflects towards the left, so that after the stressed first sealing assembly 8 and the stressed second sealing assembly 9 deflect towards the right, liquid entering from the B-end interface 11 is communicated with each other, the liquid is sent out from the inside of the O-end interface 14, and the liquid entering from the P-end interface 13 is sent out from the inside of the A-end interface 12, when the handle 5 deflects towards the right, the first sealing assembly 8 and the second sealing assembly 9 deflect towards the left, the liquid entering from the P-end interface 13 is sent out from the inside of the B-end interface 11, and the liquid entering from the A-end interface 12 is sent out from the inside of the O-end interface 14, so that the aim of periodically changing the flow direction is fulfilled, when a pipeline needs to be installed, and the end joint ring 20 is adjusted to be right in front of the B-end interface 11, the device utilizes a splicing mode, after inserting connecting tube 19 in the inside of agreeing with ring 20, connecting support 21 after the atress carries connecting tube 19 through agreeing with ring 20, just insert simultaneously and agree with the piece 22 down and agree with the piece 23 inside after the groove 24 that is equipped with agreeing with, connecting tube 19 just inserts the inside of B end interface 11 with the mode of perpendicular all the time, later stage the device only needs to utilize the mode of screw connection, realize the accurate installation operation to the pipeline, when needing to lubricate handle 5 and its link, after the sealing member of lower extreme is demolishd, the device utilizes the gap that produces when cup jointing, manual control is drawing and is connecting frame 25 and rotating fast soon, the device rotates the multidirectional of in-process lubricating medium and throws and spills, can realize corresponding lubricated operation from the different position of link.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a switching-over valve convenient to installation, includes valve body (1), handle (5) and P end interface (13), its characterized in that: the valve is characterized in that a sealing cavity (2) is formed in the middle end inside the valve body (1) through pouring, a valve rod (3) is arranged in the sealing cavity (2), a left piston (10) is fixed to one side of the valve rod (3), a connecting rod (4) is welded to one side, far away from the valve rod (3), of the left piston (10), the handle (5) is arranged right above one side of the connecting rod (4), the connecting rod (4) is movably connected with the handle (5) through a first connecting shaft (6), a movable cavity (15) is formed in the connecting position of the handle (5) and the valve body (1), the movable cavity (15) is movably connected with the handle (5) through a second connecting shaft (7), a first sealing assembly (8) is installed at the bottom of the valve rod (3) through an integrated arrangement, a second sealing assembly (9) is fixed to the top of the valve rod (3), a B-end port (11) is communicated with the bottom of the valve body (1), an A-end interface (12) is arranged on one side of the B-end interface (11), the P-end interface (13) is fixed on one side of the top of the valve body (1) through an integrated arrangement, an O-end interface (14) is communicated with the other side of the top of the valve body (1), a right piston (16) is fixed on the other side of the valve rod (3), an engaging rod (17) is fixed on one side, away from the valve rod (3), of the right piston (16), a spring (18) is sleeved on the outer end of the engaging rod (17), a connecting pipeline (19) is inserted into the B-end interface (11), an engaging ring (20) is sleeved on the outer end of the connecting pipeline (19), connecting supports (21) are fixed on two sides of the engaging ring (20), lower engaging blocks (22) are welded on two sides of the B-end interface (11), and an upper engaging block (23) is fixed right above the lower engaging blocks (22), go up the inside of agreeing with piece (23) and lower agreeing with piece (22) and seted up agreeing with groove (24) through disposable cutting process, and go up the outer wall welded fastening of one side and B end interface (11) of agreeing with piece (23), the outer end of handle (5) has cup jointed connection frame (25), and has seted up storage chamber (26) through the integral type setting in the inside of connecting frame (25), the bottom of storage chamber (26) is led to there is oil outlet pipe way (27), and the top of storage chamber (26) is led to there is oil inlet pipe way (28), connect the junction top of frame (25) and handle (5) and cup jointed upper limit ring (29), and the junction below of connecting frame (25) and handle (5) is fixed with lower limit ring (30).

2. A readily installable reversing valve according to claim 1, wherein: coincide each other between the horizontal axis of sealed chamber (2) and the horizontal axis of valve rod (3), and valve rod (3) through right piston (16) and join pole (17) fixed connection, one side of right piston (16) and one side welded fastening of spring (18), and the opposite side and sealed chamber (2) fixed connection of spring (18), valve rod (3) constitute elastic construction through right piston (16), join pole (17) and spring (18).

3. A readily installable reversing valve according to claim 1, wherein: adjacent setting between first seal assembly (8) and A end interface (12), and the connection of A end interface (12) and valve body (1) constitutes the integral type structure, the inside of A end interface (12), B end interface (11), P end interface (13) and O end interface (14) all is the distribution of hollow column structure and sets up.

4. A readily installable reversing valve according to claim 1, wherein: a side surface of each of the left piston (10) and the right piston (16) is mutually attached to the inner wall of the sealed cavity (2), and the left piston (10) forms a movable structure through the connecting rod (4), the first connecting shaft (6), the second connecting shaft (7) and the handle (5).

5. A readily installable reversing valve according to claim 1, wherein: the connection between the inside of connecting tube (19) and the inside of B end interface (11) each other put through, and the connection of connecting tube (19) and conjunction ring (20) constitutes staggered structure, the both sides of conjunction ring (20) are provided with linking bridge (21) that are symmetrical structure, and the shape is identical between the top of linking bridge (21) and the inner of conjunction groove (24), linking bridge (21) all agree with piece (22), go up conjunction block (23) block connection through agreeing with groove (24) and lower.

6. A readily installable reversing valve according to claim 1, wherein: go up spacing ring (29) and set up for the symmetry axis and spacing ring (30) symmetry down along the horizontal axis that connects frame (25), and just spacing ring (30) down, last spacing ring (29) all set up and handle (5) fixed connection through the integral type, the inside of connecting frame (25) is provided with inside storage chamber (26) that are hollow column structure, and the connection of connecting frame (25) and handle (5) constitutes nested structure.