CN213271128U

CN213271128U - Explosion-proof reversing valve

Info

Publication number: CN213271128U
Application number: CN202021717933.XU
Authority: CN
Inventors: 俞卫
Original assignee: Jiangsu Jiayite Hydraulic Co ltd
Current assignee: JIANGSU JIAYITE HYDRAULIC CO Ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-05-25
Anticipated expiration: 2030-08-17

Abstract

The utility model belongs to the technical field of the switching-over valve, a explosion-proof type switching-over valve is disclosed. This explosion-proof type switching-over valve includes the valve body, the left and right sides of valve body all is provided with two solenoid valves, be provided with cavity one in the valve body, and be provided with the case in the cavity one, two the equal fixedly connected with buckler of upper surface of solenoid valve, two the equal fixed mounting of upper surface that just is located the solenoid valve in the buckler has an electromagnetic control ware, two the electromagnetic control ware just keeps away from the one end of the equal fixedly connected with fastening sleeve bucket in one side of case. This explosion-proof type switching-over valve through set up four adjustment mechanism in the valve body, when hydraulic oil flows including, when pressure is too big, adjustment mechanism can be used for the velocity of flow of adaptation hydraulic oil through the arc in inside spring telescopic link and the cavity four, has protected the water pipe effectively and can not lead to the condition that the hydraulic oil velocity of flow is too fast makes the water pipe burst because of pressure is too big to the life of water pipe and switching-over valve has been prolonged.

Description

Explosion-proof reversing valve

Technical Field

The utility model relates to a technical field of switching-over valve specifically is an explosion-proof type switching-over valve.

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 valve is controlled by the relative movement direction of the valve core and the valve body. There are two types, a rotary valve type and a slide valve type. The valve core is divided into two positions, three positions and the like according to the number of the working positions of the valve core staying in the valve body; the oil way connected with the valve body is divided into a two-way, a three-way, a four-way, a six-way and the like; the movement modes of the operation valve core are manual, motor, electric, hydraulic, electrohydraulic and the like.

When the pressure of hydraulic oil is too high and the flow speed of the hydraulic oil in the electromagnetic reversing valve is too high, the water pipe communicated with the inside of the electromagnetic reversing valve can not bear the high pressure and break, so that the electromagnetic reversing valve is damaged

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof type switching-over valve, this explosion-proof type switching-over valve have realized coming the velocity of flow of adaptation hydraulic oil to the size of water pipe under the different pressure.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an explosion-proof type switching-over valve, includes the valve body, the left and right sides of valve body all is provided with two solenoid valves, be provided with cavity one in the valve body, and be provided with the case in the cavity one, two the equal fixedly connected with buckler of upper surface of solenoid valve, two the equal fixed mounting in the buckler and the upper surface that is located the solenoid valve has an electromagnetic control ware, two the electromagnetic control ware just keeps away from the equal fixedly connected with fastening sleeve's in one side one end of case, and the telescopic other end of fastening all outwards extends to the solenoid valve outer wall, be provided with adjustment mechanism in the valve body.

Preferably, including the hydraulic fluid port in the adjustment mechanism, the hydraulic fluid port is seted up in the valve body and is located cavity one, cavity two has all been seted up in the valve body and is located the hydraulic fluid port position, the equal fixed mounting in the left and right sides at the upper and lower both ends of cavity two has a support, two cavity three has all been seted up in the support, two all there is the one end of telescopic link through a spring fixed mounting in the cavity three, and the last fixed surface of the other end of telescopic link is connected with the water pipe.

Preferably, the water pipe about both sides and use the center all to offer in the left and right sides as the reference cavity four, sliding connection has the arc, four in the cavity four the equal fixed connection in opposite flank of arc, the valve body just is located the left and right sides of two tops of cavity and all offers the one end of five of three cavity, and six five interior equal fixed mounting of cavity have the one end of spring telescopic link, and the other end of spring telescopic link all with water pipe fixed connection.

Preferably, the number of the adjusting mechanisms is four, the adjusting mechanisms are arranged on the upper side and the lower side of the valve body, the two adjusting mechanisms are arranged on the left side and the right side of the valve body by taking the central line as a reference, and the two adjusting mechanisms are arranged in a staggered mode.

Preferably, two one side that the valve body was just kept away from to the buckler all is connected with the dustproof door through the round pin hub rotation, and fixed mounting has a stopper on two dustproof doors, two one side that the valve body was just kept away from to the buckler has seted up the spacing groove corresponding the stopper position.

Preferably, two equal fixed mounting has the cooler on the interior roof of buckler, two the equal fixed mounting of upper surface of buckler has the alarm, two just be located the equal fixed mounting in cooler below on the inside wall of buckler has the sensor.

By adopting the technical scheme, the beneficial effects of the utility model are that:

1. this explosion-proof type switching-over valve through set up four adjustment mechanism in the valve body, when hydraulic oil flows including, when pressure is too big, adjustment mechanism can be used for the velocity of flow of adaptation hydraulic oil through the arc in inside spring telescopic link and the cavity four, has protected the water pipe effectively and can not lead to the condition that the hydraulic oil velocity of flow is too fast makes the water pipe burst because of pressure is too big to the life of water pipe and switching-over valve has been prolonged.

2. This explosion-proof type switching-over valve has all set up the buckler on two solenoid valves, has protected the solenoid valve effectively and can not lead to the risk of burning out because of outside water, sets up the electric wire in the fastening sleeve, has arranged the mixed and disorderly problem of connecting wire effectively, can also avoid debris to glue on the connecting wire.

3. This explosion-proof type switching-over valve has set up the cooler in the dust cover, sensor and alarm, and when the solenoid valve leads to the high temperature because of using excessively, the sensor detected the back, and the cooler starts to cool down, and the alarm is reported to the police and is reminded operating personnel to carry out the physics cooling to the solenoid valve has been avoided leading to the condition that the switching-over valve damaged because of the high temperature.

Drawings

FIG. 1 is a schematic view of a half-section structure of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the automatic control valve comprises a valve body 1, an electromagnetic valve 2, a cavity I3, a valve core 4, a waterproof cover 5, an electromagnetic controller 6, a fastening sleeve 7, an adjusting mechanism 8, an oil port 81, a cavity II 82, a bracket 83, a cavity III 84, a spring I85, a telescopic rod 86, a water pipe 87, a cavity IV 88, an arc plate 89, a cavity V810, a spring telescopic rod 811, a dustproof door 9, a limiting block 10, a limiting groove 11, a cooler 12, an alarm 13 and a sensor 14.

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. 1-3, the present invention provides a technical solution: an explosion-proof reversing valve comprises a valve body 1, two electromagnetic valves 2 are arranged on the left side and the right side of the valve body 1, a first cavity 3 is arranged in the valve body 1, a valve core 4 is arranged in the first cavity 3, waterproof covers 5 are fixedly connected to the upper surfaces of the two electromagnetic valves 2, dustproof doors 9 are rotatably connected to one sides of the two waterproof covers 5 far away from the valve body 1 through pin shafts, limit blocks 10 are fixedly arranged on the two dustproof doors 9, limit grooves 11 are formed in one sides of the two waterproof covers 5 far away from the valve body 1 and correspond to the positions of the limit blocks 10, electromagnetic controllers 6 are fixedly arranged in the two waterproof covers 5 and on the upper surfaces of the electromagnetic valves 2, one sides of the two electromagnetic controllers 6 far away from the valve core 4 are fixedly connected with one ends of fastening sleeves 7, the other ends of the fastening sleeves 7 extend outwards to the outer wall of the electromagnetic valves 2, and coolers 12 are fixedly arranged on, the upper surfaces of the two waterproof covers 5 are fixedly provided with alarms 13, the inner side walls of the two waterproof covers 5 are fixedly provided with sensors 14 below the cooler 12, the valve body 1 is internally provided with an adjusting mechanism 8, the adjusting mechanism 8 internally comprises an oil port 81, the oil port 81 is arranged in the valve body 1 and is positioned on a cavity I3, the valve body 1 is internally provided with a cavity II 82 at the position of the oil port 81, the left side and the right side of the upper end and the lower end of the cavity II 82 are fixedly provided with brackets 83, the two brackets 83 are internally provided with a cavity III 84, one end of a telescopic rod 86 is fixedly arranged in the two cavity III 84 through a spring I85, the upper surface of the other end of the telescopic rod 86 is fixedly connected with a water pipe 87, the left side and the right side of the water pipe 87 with the center as the reference are respectively provided with a cavity IV 88, an arc plate 89 is slidably connected in the, the one end of five 810 of three cavity is all seted up to the left and right sides that just is located two 82 tops of cavity in the valve body 1, and equal fixed mounting has the one end of spring telescopic link 811 in five 810 of six cavities, and the other end of spring telescopic link 811 all with water pipe 87 fixed connection, adjustment mechanism 8 quantity is four, and set up in the upper and lower both sides of valve body 1, adjustment mechanism 8 two is a set of setting and uses the left and right sides of central line as the reference at valve body 1, and two are the setting of staggering of a set of adjustment mechanism 8. When the explosion-proof reversing valve works, the four adjusting mechanisms 8 are arranged in the valve body 1, when hydraulic oil flows in the valve body, when pressure is overlarge, the adjusting mechanisms 8 can be used for adapting the flow rate of the hydraulic oil through the inner spring telescopic rods 811 and the arc-shaped plates 89 in the cavities four 88, the condition that the water pipe bursts due to the fact that the flow rate of the hydraulic oil is too fast due to the overlarge pressure is effectively prevented, the service lives of the water pipe and the reversing valve are prolonged, the waterproof covers 5 are arranged on the two electromagnetic valves 2, the risk that the electromagnetic valves 2 are burnt due to external water is effectively prevented, electric wires are arranged in the fastening sleeves 7, the problem that connecting wires are disordered is effectively solved, sundries are prevented from being adhered to the connecting wires, the cooler 12 is arranged in the dustproof covers 5, the sensor 14 and the alarm 13 are arranged, when the temperature of the electromagnetic valves 2 is overhigh due to overuse, after the sensor 14 detects, the cooler 12 is started to cool, and the alarm 13 gives an alarm to remind an operator to perform physical cooling, so that the condition that the electromagnetic valve 2 is damaged due to overhigh temperature is avoided.

The working principle is as follows: when the switching-over valve oil pressure is too big and lead to the hydraulic oil velocity of flow at the excessive time, arc 89 in the inside cavity four 88 of water pipe 87 cooperates outside spring telescopic link 811 to carry out outside tensile, thereby with the too fast velocity of flow of water pipe 87 diameter grow, when the velocity of flow is too fast, hydraulic oil gets into water pipe 87, hydraulic oil 87 struts water pipe 87, telescopic link 86 cooperation spring 85 outwards removes in the three 84 of cavity, thereby enlarge the inlet, thereby protected the water pipe can not be propped brokenly by high velocity of flow hydraulic oil, when the solenoid valve leads to the high temperature because of using excessively, the sensor detects the back, the cooler starts and cools down, the alarm is reported to the police and is reminded operating personnel to carry out the physics cooling, thereby the condition that the solenoid valve leads to the damage of switching-over valve because of the high

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 an explosion-proof type switching-over valve, includes valve body (1), its characterized in that: the left and right sides of valve body (1) all is provided with two solenoid valves (2), be provided with cavity (3) in valve body (1), and be provided with case (4), two in cavity (3) the equal fixedly connected with buckler (5) of upper surface of solenoid valve (2), two the equal fixed mounting of upper surface that just is located solenoid valve (2) in buckler (5) has solenoid controller (6), two solenoid controller (6) and keep away from the one end of the equal fixedly connected with fastening sleeve (7) in one side of case (4), and the other end of fastening sleeve (7) all outwards extends to solenoid valve (2) outer wall, be provided with adjustment mechanism (8) in valve body (1).

2. An explosion proof type directional control valve according to claim 1, wherein: the adjustable hydraulic control valve is characterized in that an oil port (81) is arranged in the adjusting mechanism (8), the oil port (81) is arranged in the valve body (1) and located on the first cavity (3), the second cavity (82) is arranged in the valve body (1) and located on the oil port (81), a support (83) is fixedly mounted on the left side and the right side of the upper end and the lower end of the second cavity (82), two cavities (84) are arranged in the support (83), two cavities (84) are fixedly mounted in the three cavities (84) through the first spring (85) and are provided with one ends of telescopic rods (86), and the upper surface of the other end of each telescopic rod (86) is fixedly connected with a water pipe (87).

3. An explosion proof type directional control valve according to claim 2, wherein: both sides and all seted up four (88) cavities in the left and right sides as the reference about water pipe (87), sliding connection has arc (89), four in four (88) cavities the equal fixed connection in opposite flank of arc (89), the one end of five (810) of three cavity is all seted up in the valve body (1) and the left and right sides that is located two (82) tops of cavity, and equal fixed mounting has the one end of spring telescopic link (811) in five (810) of six cavities, and the other end of spring telescopic link (811) all with water pipe (87) fixed connection.

4. An explosion proof type directional control valve according to claim 2, wherein: the adjusting mechanisms (8) are four in number and are arranged on the upper side and the lower side of the valve body (1), the two adjusting mechanisms (8) are arranged on the left side and the right side of the valve body (1) by taking the central line as a reference in a set mode, and the two adjusting mechanisms (8) are arranged in a staggered mode.

5. An explosion proof type directional control valve according to claim 1, wherein: two one side that buckler (5) and keep away from valve body (1) all is connected with dust door (9) through round pin axle rotation, and fixed mounting has stopper (10), two on two dust doors (9) one side that buckler (5) and keep away from valve body (1) and correspond stopper (10) position and seted up spacing groove (11).

6. An explosion proof type directional control valve according to claim 1, wherein: two equal fixed mounting has cooler (12), two on the interior roof of buckler (5) the equal fixed mounting of upper surface of buckler (5) has alarm (13), two just be located the equal fixed mounting in cooler (12) below on the inside wall of buckler (5) and have sensor (14).