Multi-way reversing valve with self-checking function

Abstract

The utility model relates to the technical field of multi-way reversing valves, and discloses a multi-way reversing valve with a self-checking function, which comprises a multi-way reversing valve body, an oil inlet hard pipe and a mounting component, the bottom of the multi-way reversing valve body is provided with the mounting component which is convenient for mounting the multi-way reversing valve body, and the oil inlet hard pipe is arranged at the bottom of the multi-way reversing valve body. The top of the multi-way reversing valve body is fixedly connected with an oil inlet hard pipe, and external threads are arranged on the outer portion of the oil inlet hard pipe. The flow speed of lubricating oil entering the multi-way reversing valve body is reduced through the filter plate, and when the speed of adding the lubricating oil into the multi-way reversing valve body is too high, the lubricating oil cannot enter the multi-way reversing valve body from the filter plate at once, so that the lubricating oil slides the filter plate downwards to drive the ejector rod to be in contact with the sensor, and the sensor is in contact with the sensor. And the controller controls the alarm to give an alarm to remind a worker to reduce the oiling speed, so that the lubricating oil is prevented from overflowing, the oiling stability of the multi-way reversing valve body is improved, and the potential safety hazard of the multi-way reversing valve body is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to multiway reversing valve technical field especially multiway reversing valve with self -checking function. BACKGROUND

[0002] Multiway reversing valve is the combination valve of two and above reversing valves, reversing valve is the valve class that the on-off relation of oil passage connected on the valve body is changed by the relative movement between the valve core and the valve body, according to different work requirements, still can combine the subsidiary valve such as safety overflow valve, check valve and oil supplement valve, and other types of valve, compared with, multiway reversing valve has compact structure and small pressure loss, sliding valve moving resistance is not big, multiway reversing valve has compact structure and small pressure loss, sliding valve moving resistance is not big, according to oil circuit connection mode, multiway valve can be divided into parallel, series, series-parallel and composite oil circuit.

[0003] In the prior art, when the oil inlet of the multiway reversing valve injects lubricating oil, the speed is too fast, which will cause the lubricating oil in the reversing valve to overflow, thereby consuming a lot of time to clean the spilled oil, but the existing multiway reversing valve does not have self-checking function, can only observe the oiling condition by naked eye, leading to delayed response, cannot automatically alarm when the speed is too fast, cannot timely remind the worker, so that it has certain hidden danger, therefore, the multiway reversing valve with self-checking function needs to be improved to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to overcome the problem that the existing multiway reversing valve does not have self-checking function, can only observe the oiling condition by naked eye, leading to delayed response, cannot automatically alarm when the speed is too fast, so that it has certain hidden danger.

[0005] The technical scheme of the utility model is: multiway reversing valve with self-checking function, including multiway reversing valve body, still including oil inlet hard pipe and installation assembly, the bottom of multiway reversing valve body is provided with the installation assembly that facilitates the installation of multiway reversing valve body, the top of multiway reversing valve body is fixedly connected with oil inlet hard pipe, the outside of oil inlet hard pipe is provided with external thread, the installation frame is set up on oil inlet hard pipe, the inside of installation frame is provided with internal thread, the internal thread is connected in the outside of external thread, the inside of installation frame is slidably connected with filter plate, the bottom of filter plate is fixedly connected with top rod, the inside of installation frame is fixedly connected with sensor that can contact with top rod, the installation frame is fixedly connected with alarm, the sensor is electrically connected in the inside of alarm.

[0006] As preferred, the installation frame is provided with a groove corresponding to the position of the oil inlet hard pipe, and the oil inlet hard pipe is arranged in the groove of the installation frame.

[0007] As preferred, the installation frame is provided with a groove corresponding to the position of the filter plate, and the filter plate is slidably arranged in the groove of the installation frame.

[0008] As preferred, the inside of the mounting frame is fixedly connected with the optical shaft, the filter plate is slidingly connected outside the optical shaft, and the filter plate and the mounting frame are fixedly connected with the spring.

[0009] As preferred, the optical shaft and the spring are provided in six groups, and the six groups of optical shafts and springs are symmetrically distributed between the mounting frame and the filter plate.

[0010] As preferred, the mounting assembly comprises a base fixedly connected to the bottom of the multi-way reversing valve body, a bidirectional threaded rod rotatably connected inside the base, a sliding block threadedly connected outside the bidirectional threaded rod, the sliding block slidingly connected inside the base, a fixed block fixedly connected to the bottom of the sliding block, a mounting rack provided outside the fixed block, a clamping plate fixedly connected to the bottom of the mounting rack, a rubber pad fixedly connected to the inner side of the clamping plate, a threaded column provided inside the mounting rack, and a threaded hole provided inside the fixed block, the threaded column being threadedly connected inside the threaded hole.

[0011] As preferred, the sliding block is provided in two, the two sliding blocks are symmetrically distributed inside the base, and the base is provided with corresponding grooves at positions corresponding to the two sliding blocks, and the two sliding blocks slide inside the grooves of the base.

[0012] The beneficial effects of the present application are as follows: compared with the prior art multi-way reversing valve without self-checking function, only the oiling condition can be observed by naked eyes, the filter plate reduces the flow rate of the lubricating oil entering the inside of the multi-way reversing valve body, when the speed of adding lubricating oil to the multi-way reversing valve body is too fast, the lubricating oil cannot enter the inside of the multi-way reversing valve body from the filter plate at once, the lubricating oil slides downwardly to drive the top rod to contact the sensor, the control alarm sends an alarm to remind the staff to reduce the oiling speed, prevent the lubricating oil from overflowing, improve the stability of the oiling of the multi-way reversing valve body, reduce the security risks, avoid the problem that only the oiling condition can be observed by naked eyes, leading to delayed response, and the alarm cannot be automatically sent when the speed is too fast, and there is a certain risk. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0014] Figure 2 It is a schematic diagram of the filter plate structure of the present application;

[0015] Figure 3 It is a schematic diagram of the sensor structure of the present application;

[0016] Figure 4 It is a schematic diagram of the mounting assembly structure of the present application;

[0017] Figure 5The utility model discloses a threaded column structure schematic diagram.

[0018] Mark explanation: 1, multi -way reversing valve body;21, oil inlet hard pipe;22, outer thread;23, installation frame;24, inner thread;25, light axis;26, filter plate;27, spring;28, sensor;29, ejector rod;210, alarm;31, base;32, two -way threaded rod;33, sliding block;34, fixed block;35, mounting frame;36, clamping plate;37, rubber pad;38, threaded hole;39, threaded column. DETAILED DESCRIPTION

[0019] The utility model discloses further carry out the explanation with the drawings and example.

[0020] Please refer to Figure 1 - Figure 5The utility model provides a kind of embodiment: multi-way reversing valve with self-checking function, including multi-way reversing valve body 1, still including oil inlet hard pipe 21 and installation assembly, the bottom of multi-way reversing valve body 1 is provided with the installation assembly of the convenient installation multi-way reversing valve body 1, the top of multi-way reversing valve body 1 is fixedly connected with oil inlet hard pipe 21, the outside of oil inlet hard pipe 21 is provided with external thread 22, and installation frame 23 is provided on oil inlet hard pipe 21, the inside of installation frame 23 is provided with internal thread 24, internal thread 24 is threadedly connected at the outside of external thread 22, and filter plate 26 is slidably connected in the inside of installation frame 23, top rod 29 is fixedly connected at the bottom of filter plate 26, sensor 28 that can be contacted with top rod 29 is fixedly connected in the inside of installation frame 23, alarm 210 is fixedly connected on installation frame 23, and sensor 28 is electrically connected in the inside of alarm 210, pass through filter plate 26 to make its reduce the flow rate of lubricating oil into the inside of multi-way reversing valve body 1, when the speed of adding lubricating oil to multi-way reversing valve body 1 is too fast, lubricating oil cannot enter the inside of multi-way reversing valve body 1 from filter plate 26 temporarily, so that lubricating oil will slide down filter plate 26, so that it drives top rod 29 to contact sensor 28, so that it controls alarm 210 to issue alarm, reminds staff to reduce the speed of adding oil, so that it prevents lubricating oil from overflowing, so that it improves the stability of adding oil to multi-way reversing valve body 1, so that it reduces security risk, installation assembly selects different clamping plates 36 according to the position of installation required, then installation frame 35 is aligned with fixed block 34 and is installed at the outside of fixed block 34, then different clamping plates 36 are fixed together with fixed block 34 using threaded column 39, then user rotates bidirectional threaded rod 32 to rotate in the inside of base 31, two sliding blocks 33 are threadedly connected at the outside of bidirectional threaded rod 32, so as to reduce the interval between two clamping plates 36, so as to install and fix multi-way reversing valve body 1, the rubber pad 37 on clamping plate 36 makes it more stable, the groove that is adapted is opened in the corresponding position of installation frame 23 of oil inlet hard pipe 21, oil inlet hard pipe 21 is arranged in the groove of installation frame 23, so that when installation frame 23 is installed, oil inlet hard pipe 21 is aligned with the corresponding groove of installation frame 23, so that installation frame 23 is threadedly connected by external thread 22 and internal thread 24, so as to install installation frame 23, so that it improves the convenience of installation of installation frame 23, the groove that is adapted is opened in the corresponding position of filter plate 26 of installation frame 23, and filter plate 26 slides in the groove of installation frame 23, so as to limit filter plate 26, prevent filter plate 26 from falling off from the inside of installation frame 23, so that it improves the self-checking effect of multi-way reversing valve body 1, the inside of installation frame 23 is fixedly connected with light shaft 25, filter plate 26 is slidably connected at the outside of light shaft 25, spring 27 is fixedly connected between filter plate 26 and installation frame 23,The filter plate 26 can filter the lubricating oil entering the multi-way reversing valve body 1, avoid the device from being blocked, and reduce the flow rate of the lubricating oil entering the multi-way reversing valve body 1 through the filter plate 26. When the lubricating oil is added to the multi-way reversing valve body 1 too fast, the lubricating oil cannot enter the inside of the multi-way reversing valve body 1 from the filter plate 26, and the lubricating oil will slide the filter plate 26 downward, so that the top rod 29 and the sensor 28 are in contact, the alarm 210 is controlled to issue a warning, the staff is reminded to reduce the oil adding speed, the lubricating oil is prevented from overflowing, the stability of the multi-way reversing valve body 1 is improved, the safety hidden danger is reduced, the six groups of light shafts 25 and springs 27 are symmetrically distributed between the mounting frame 23 and the filter plate 26, the filter plate 26 is limited, the stability of the top rod 29 and the sensor 28 is improved, the self-checking function effect of the multi-way reversing valve body 1 is improved, and the practicability of the multi-way reversing valve body 1 is improved.

[0021] Please refer to Figure 4 、 Figure 5 In the embodiment, the mounting assembly comprises a base 31 fixedly connected to the bottom of the multi-way reversing valve body 1, a bidirectional threaded rod 32 rotatably connected in the base 31, a sliding block 33 threadedly connected to the outside of the bidirectional threaded rod 32, the sliding block 33 slidably connected in the base 31, a fixed block 34 fixedly connected to the bottom of the sliding block 33, a mounting frame 35 provided on the outside of the fixed block 34, a clamping plate 36 fixedly connected to the bottom of the mounting frame 35, a rubber pad 37 fixedly connected to the inner side of the clamping plate 36, a threaded column 39 provided in the mounting frame 35, a threaded hole 38 formed in the fixed block 34, and the threaded column 39 threadedly connected in the threaded hole 38. The mounting assembly selects different clamping plates 36 according to the required installation position, aligns the mounting frame 35 with the fixed block 34 and installs the mounting frame 35 on the outside of the fixed block 34, fixes the mounting frame 35 and the fixed block 34 together by using the threaded column 39, and rotates the bidirectional threaded rod 32 to rotate in the base 31, so that the two clamping plates 36 are closer to each other, and the multi-way reversing valve body 1 is installed and fixed. The rubber pad 37 on the clamping plate 36 makes the fixing more stable, the two sliding blocks 33 are symmetrically distributed in the base 31, the base 31 is provided with a groove corresponding to the two sliding blocks 33, and the two sliding blocks 33 slide in the groove of the base 31, so that the two clamping plates 36 are limited, the installation stability of the multi-way reversing valve body 1 is improved, and the installation firmness of the multi-way reversing valve body 1 is improved.

[0022] In the process of work, when installing the multi-way reversing valve body 1, the user first selects different clamping plates 36 according to the required installation position, then aligns the mounting frame 35 with the fixed block 34 and installs it outside the fixed block 34, then uses the threaded column 39 to fix the mounting frame 35 of the different clamping plates 36 with the fixed block 34, then the user rotates the bidirectional threaded rod 32 to rotate inside the base 31, and through the two sliding blocks 33 which are both screw connected outside the bidirectional threaded rod 32, the spacing between the two clamping plates 36 is reduced, thereby installing and fixing the multi-way reversing valve body 1, the rubber pad 37 on the clamping plate 36 makes the fixing more stable, the filter plate 26 can filter the lubricating oil entering the multi-way reversing valve body 1, avoiding the oil passage of the device being blocked, and the filter plate 26 reduces the flow rate of the lubricating oil entering the inside of the multi-way reversing valve body 1, when the lubricating oil enters the inside of the multi-way reversing valve body 1 too fast, the lubricating oil cannot enter the inside of the multi-way reversing valve body 1 from the filter plate 26 at once, so that the lubricating oil will slide the filter plate 26 downward, the optical shaft 25 limits the filter plate 26, the spring 27 rebounds, when the filter plate 26 drives the top rod 29 to move downward, the top rod 29 contacts the sensor 28, the sensor 28 is electrically connected with the alarm 210, so as to control the alarm 210 to issue an alarm, reminding the worker to reduce the oiling speed, preventing the lubricating oil from overflowing, improving the stability of the multi-way reversing valve body 1 when adding oil, when the filter plate 26 needs to be cleaned, the mounting frame 23 is rotated, the inner thread 24 is screw connected outside the outer thread 22, the mounting frame 23 is disassembled, the filter plate 26 inside the mounting frame 23 is cleaned, and the safety performance is improved.

[0023] Through the above steps, the filter plate 26 reduces the flow rate of the lubricating oil entering the inside of the multi-way reversing valve body 1, when the lubricating oil enters the inside of the multi-way reversing valve body 1 too fast, the lubricating oil cannot enter the inside of the multi-way reversing valve body 1 from the filter plate 26 at once, so that the lubricating oil will slide the filter plate 26 downward, drive the top rod 29 to contact the sensor 28, control the alarm 210 to issue an alarm, remind the worker to reduce the oiling speed, prevent the lubricating oil from overflowing, solve the problem that only the naked eye can observe the oiling condition, cause response delay, cannot automatically alarm when the speed is too fast, and have certain hidden dangers.

Claims

1. Multi-way directional valve with self-checking function, comprising a multi-way directional valve body (1), characterized in that: The oil inlet hard pipe (21) and the mounting assembly are further included, the bottom of the multi-way reversing valve body (1) is provided with the mounting assembly for facilitating mounting of the multi-way reversing valve body (1), the top of the multi-way reversing valve body (1) is fixedly connected with the oil inlet hard pipe (21), the outer portion of the oil inlet hard pipe (21) is provided with an external thread (22), the oil inlet hard pipe (21) is provided with a mounting frame (23), the inner portion of the mounting frame (23) is provided with an internal thread (24), the internal thread (24) is threadedly connected to the outer portion of the external thread (22), the inner portion of the mounting frame (23) is slidably connected with a filter plate (26), the bottom of the filter plate (26) is fixedly connected with a top rod (29), the inner portion of the mounting frame (23) is fixedly connected with a sensor (28) capable of contacting the top rod (29), the mounting frame (23) is fixedly connected with an alarm (210), and the sensor (28) is electrically connected to the inner portion of the alarm (210).

2. The multiple directional control valve with a self-checking function according to claim 1, characterized in that: The mounting frame (23) is provided with a groove corresponding to the position of the oil inlet hard pipe (21), and the oil inlet hard pipe (21) is arranged in the groove of the mounting frame (23).

3. The multiple directional control valve with a self-checking function according to claim 1, characterized in that: The mounting frame (23) is provided with a groove corresponding to the position of the filter plate (26), and the filter plate (26) slides in the groove of the mounting frame (23).

4. The self-checking multi-way directional valve according to claim 1, wherein: The inner portion of the mounting frame (23) is fixedly connected with an optical axis (25), the filter plate (26) is slidably connected to the outer portion of the optical axis (25), and the filter plate (26) and the mounting frame (23) are fixedly connected with a spring (27).

5. The multiple directional control valve with self-checking function according to claim 4, characterized in that: The optical axis (25) and the spring (27) are provided with six groups, and the six groups of the optical axis (25) and the spring (27) are symmetrically distributed between the mounting frame (23) and the filter plate (26).

6. The self-checking multi-way directional valve according to claim 1, wherein: The mounting assembly comprises a base (31) fixedly connected to the bottom of the multi-way reversing valve body (1), a bidirectional threaded rod (32) rotatably connected to the inner portion of the base (31), a sliding block (33) threadedly connected to the outer portion of the bidirectional threaded rod (32), the sliding block (33) slidably connected to the inner portion of the base (31), a fixed block (34) fixedly connected to the bottom of the sliding block (33), a mounting rack (35) provided on the outer portion of the fixed block (34), a clamping plate (36) fixedly connected to the bottom of the mounting rack (35), a rubber pad (37) fixedly connected to the inner side of the clamping plate (36), a threaded column (39) provided in the inner portion of the mounting rack (35), and a threaded hole (38) provided in the inner portion of the fixed block (34), wherein the threaded column (39) is threadedly connected to the inner portion of the threaded hole (38).

7. The self-checking multi-way directional valve according to claim 1, wherein: The sliding block (33) is provided with two, the two sliding blocks (33) are symmetrically distributed in the inner portion of the base (31), and the base (31) is provided with a groove corresponding to the position of the two sliding blocks (33), and the two sliding blocks (33) slide in the groove of the base (31).

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