Novel hand-operated direction valve with safety device

Abstract

The utility model relates to the technical field of hand-operated direction valves, and discloses a novel hand-operated direction valve with a safety device, which comprises a valve body and a valve core positioned at the middle position in the valve body, the valve body comprises an adjusting head arranged at one end of the valve body, and a valve cover arranged at the other end of the valve body; the adjusting rod is arranged between the adjusting head and one end of the valve cover; the liquid ports are formed in the bottom of the valve body, valve rods are arranged at the two ends of the valve element, first reset springs are arranged on the outer sides of the two valve rods, and a fixing wheel is arranged at one end of the top of each valve rod. According to the manual reversing valve, the adjusting rods, the sealing assembly and the second reset spring form a safety structure, when an emergency occurs, the two valve rods can be driven by adjusting the two adjusting rods to adjust the position of the valve element, and therefore the position of the valve element can be adjusted in time, the manual reversing valve can act normally, injury to workers is avoided, and the safety of the manual reversing valve is improved. And the use safety of the hand-operated direction valve is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of manual reversing valves, in particular to a novel manual reversing valve with a safety device. Background Art

[0002] The manual reversing valve has a multi-directional adjustable channel, which can change the flow direction of the fluid in time. This type of change-over valve is widely used in petroleum and chemical production, and is most commonly used in synthetic ammonia gasification systems. The reversing valve can also be made into a valve disc type structure, which is mostly used in occasions with smaller flow rates. When working, you only need to turn the hand wheel to change the flow direction of the working fluid through the valve disc.

[0003] During the use of existing hydraulic manual reversing valves, the reset spring may break, the valve core may get stuck, and the handle ball head may fall off. This phenomenon may cause the equipment to only perform a certain action, and the manual reversing valve cannot be repaired or replaced in time, which seriously causes on-site production delays and the life safety of operators. Different hydraulic manual reversing valves have different control structures. For example:

[0004] CN210920285U A hydraulic manual reversing valve is disclosed, comprising a valve body provided with an oil inlet, an oil return port, a working oil port A and a working oil port B, wherein a valve core is provided inside the valve body, a left sleeve is installed on the left end cover of the valve body, and a left push rod is installed on the left sleeve; a right sleeve is installed on the right end cover of the valve body, and a right push rod is installed on the right sleeve, the right section of the left sleeve is connected to the left end cover by threads, and the left section of the left sleeve is provided with a left convex ring; the left section of the right sleeve is connected to the right end cover by threads, and the right section of the right sleeve is provided with a right convex ring; the left section of the left push rod passes through the left sleeve, and the right end of the left push rod is provided with a left tenon; the right section of the right push rod passes through the right sleeve, and the left end of the right push rod is provided with a right tenon. This solution mainly solves the problem that when the operating lever fails, the mud gun cannot be controlled and a production accident occurs. Utility Model Content

[0005] The purpose of the utility model is to provide a novel manual reversing valve with a safety device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a novel manual reversing valve with a safety device, comprising a valve body and a valve core located at the middle position inside the valve body, wherein the valve body comprises:

[0007] An adjusting head is arranged at one end of the valve body, and a valve cover is arranged at the other end of the valve body;

[0008] An adjusting rod arranged at a middle position between the adjusting head and one end of the valve cover;

[0009] Multiple groups of liquid ports are arranged at the bottom of the valve body.

[0010] Preferably, valve stems are provided at both ends of the valve core, return springs are provided on the outer sides of the two groups of valve stems, a fixing wheel is provided at one end of the top of the valve stem, a handle is provided on the outer side of the fixing wheel, a ball head penetrating into the interior of a group of valve stems is provided on the outer side of the fixing wheel, a plurality of limit grooves are provided on the outer side of a group of valve stems, a mounting block is provided at the bottom of the adjusting head, an extrusion spring is provided at the top end of the mounting block, a push block is provided at the top end of the extrusion spring, and a steel ball is provided at the top of the push block.

[0011] Preferably, a sealing assembly is provided on the outer side of the two groups of adjusting rods, and a return spring 2 is provided on one end of the outer side of the two groups of adjusting rods close to the valve body.

[0012] Preferably, both ends of the valve body are provided with threaded holes, the outer sides of the regulating head and one end of the valve cover are provided with external threads matching the threaded holes, and the regulating head and the valve cover are detachably connected to the valve body through the threaded holes.

[0013] Preferably, a rotating hole is provided inside the fixed wheel, a fixed shaft penetrating into the rotating hole is provided at one end of the top of the adjusting head, a slot is provided on the outer side of a group of valve stems, and the ball head penetrates into the slot.

[0014] Preferably, a threaded hole is provided at the bottom of the adjusting head, an external thread matching the threaded hole is provided at the outer side of the mounting block, and the mounting block is detachably connected to the adjusting head via the threaded hole.

[0015] Preferably, a placement groove is provided at the top end inside the mounting block, and the push block and the extrusion spring are detachably connected to the mounting block via the placement groove.

[0016] Preferably, a movable hole is provided inside the regulating head at the position of the steel ball, the steel ball is movably connected to the regulating head through the movable hole, and the steel ball is limitedly connected to a group of valve stems through a limiting groove.

[0017] Preferably, sealing grooves are provided on the outer sides of the two groups of adjusting rods, and the sealing assembly is detachably connected to the adjusting rods via the sealing grooves.

[0018] Preferably, a mounting hole is provided at the middle position of one end of the regulating head and the valve cover, and the two groups of regulating rods are detachably connected to the regulating head and the valve cover respectively through the mounting holes.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The utility model comprises a safety structure composed of an adjusting rod, a sealing assembly and a reset spring. When an emergency occurs, the two groups of adjusting rods can be adjusted to drive the two groups of valve stems to adjust the position of the valve core, so that the position of the valve core can be adjusted in time, so that the manual reversing valve can operate normally, avoiding harm to the staff, and making the manual reversing valve safer to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0022] Figure 1 It is the front view of the utility model.

[0023] Figure 2 It is a cross-sectional view of the utility model.

[0024] Figure 3 It is an enlarged view of A of the present utility model.

[0025] In the figure: 1. valve body; 101. adjusting head; 102. valve cover; 103. liquid port; 2. valve core; 201. valve stem; 202. reset spring 1; 203. fixing wheel; 204. handle; 205. ball head; 206. limit groove; 207. mounting block; 208. extrusion spring; 209. push block; 210. steel ball; 3. adjusting rod; 301. sealing assembly; 302. reset spring 2. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1

[0031] See also Figure 1-3 A new type of manual reversing valve with a safety device includes a valve body 1 and a valve core 2 located in the middle position inside the valve body 1. The valve body 1 includes: an adjusting head 101 is arranged at one end of the valve body 1, and a valve cover 102 is arranged at the other end of the valve body 1; an adjusting rod 3 is arranged at the middle position between the adjusting head 101 and one end of the valve cover 102; and multiple groups of liquid ports 103 are arranged at the bottom of the valve body 1, which are convenient for installing and using the manual reversing valve. The setting of the adjusting rod 3 can realize the adjustment of the valve core 2, so as to ensure that the valve core can be processed when adjustment is required, so that the valve core is in the correct position, ensuring the stability and reliability of the entire valve, and always maintaining effectiveness. The valve cover 102 can be locked by screws, or fastened and fixed by other fastening structures. The liquid port 103 is used for the circulation of liquid.

[0032] Please refer to Figure 2 and Figure 3 Both ends of the valve core 2 are provided with valve stems 201, and the outer sides of the two sets of valve stems 201 are provided with return springs 1 202, and the valve core 2 can be reset by the return springs 1 202. The return springs 1 202 are compressed when subjected to force, and when the valve core 2 is relieved of the force, the valve core 2 will automatically reset due to the rebound force of the return springs 1 202, so as to avoid the valve core failing to reset in time after changing its position, and promote the valve function.

[0033] A fixed wheel 203 is disposed at one end of the top of the valve stem 201, a handle 204 is disposed outside the fixed wheel 203, a ball head 205 is disposed outside the fixed wheel 203 and penetrates into the inside of the valve stem 201, and the ball head 205 can be adjusted by turning the handle 204. The fixed wheel can move with the movement of the toggle handle 204.

[0034] A plurality of groups of limiting grooves 206 are arranged on the outer side of a group of valve stems 201, a mounting block 207 is arranged at the bottom of the adjusting head 101, a squeezing spring 208 is arranged at the top end inside the mounting block 207, a pushing block 209 is arranged at the top end of the squeezing spring 208, an elastic force is applied to the pushing block 209 by the squeezing spring 208, so that the steel ball 210 is stuck inside the limiting groove 206 through the pushing block 209, and the valve core 2 can be limited, and a steel ball 210 is arranged on the top of the pushing block 209.

[0035] Embodiment 2

[0036] Please refer to Figure 1 and Figure 2 A new type of manual reversing valve with a safety device includes a valve body 1 and a valve core 2 located in the middle of the valve body 1. The valve body 1 includes: an adjusting head 101 is arranged at one end of the valve body 1, and a valve cover 102 is arranged at the other end of the valve body 1; an adjusting rod 3 is arranged at the middle position of one end of the adjusting head 101 and the valve cover 102; and multiple groups of liquid ports 103 are arranged at the bottom of the valve body 1, which are convenient for installing and using the manual reversing valve. The outer sides of the two groups of adjusting rods 3 are both provided with sealing components 301, and the sealing components 301 can be used to seal the adjusting rod 3 and the adjusting head 101 and the valve stem 102, so as to ensure the sealing performance and not be affected by the outside.

[0037] The two sets of adjustment rods 3 are both provided with a second return spring 302 at one end near the valve body 1. The second return spring 302 applies an elastic force to the adjustment rod 3, so that the adjustment rod 3 can be reset for use, which is convenient for the safe use of the manual reversing valve. In specific use, when the adjustment rod is subjected to an external force, the second return spring will be squeezed, and the second return spring will be compressed. After the adjustment rod is relieved of the external force, the rebound force of the second return spring pushes the adjustment rod to reset, thereby avoiding the need for the adjustment rod to rely on external force again to reset after being adjusted and moved, thereby improving performance.

[0038] Embodiment 3

[0039] Please refer to Figure 2 and Figure 3A novel manual reversing valve with a safety device comprises a valve body 1 and a valve core 2 located at the middle position inside the valve body 1. The valve body 1 comprises: an adjusting head 101 is arranged at one end of the valve body 1, and a valve cover 102 is arranged at the other end of the valve body 1; an adjusting rod 3 is arranged at the middle position of one end of the adjusting head 101 and the valve cover 102; a plurality of groups of liquid ports 103 are arranged at the bottom of the valve body 1 to facilitate the installation and use of the manual reversing valve. Both ends of the valve body 1 are provided with threaded holes, and the adjusting head 101 and the valve cover 102 are provided with a screw thread. The outer side of one end of 02 is provided with an external thread matching the threaded hole, the adjusting head 101 and the valve cover 102 are detachably connected to the valve body 1 through the threaded hole, the adjusting head 101 and the valve cover 102 can be installed on the two ends of the valve body 1 through the threaded hole, the interior of the fixed wheel 203 is provided with a rotating hole, and one end of the top of the adjusting head 101 is provided with a fixed shaft penetrating into the rotating hole, the fixing wheel 203 and the fixed shaft can be rotated through the rotating hole, so as to facilitate the rotation and adjustment of the handle 204 and the ball head 205.

[0040] Embodiment 4

[0041] Please refer to Figure 2 and Figure 3 A novel manual reversing valve with a safety device comprises a valve body 1 and a valve core 2 located at the middle position inside the valve body 1. The valve body 1 comprises: an adjusting head 101 is arranged at one end of the valve body 1, and a valve cover 102 is arranged at the other end of the valve body 1; an adjusting rod 3 is arranged at the middle position of the adjusting head 101 and one end of the valve cover 102; multiple groups of liquid ports 103 are arranged at the bottom of the valve body 1, which are convenient for installing and using the manual reversing valve, and a group of valve stems 201 are provided with a card slot on the outside, and a ball head 205 penetrates into the card slot. The ball head 205 can be engaged with a group of valve stems 201 through the card slot, so that a group of valve stems 201 can be engaged with each other. 01 drives the valve core 2 to perform movable adjustment, a threaded hole is provided at the bottom of the adjusting head 101, an external thread matching the threaded hole is provided on the outer side of the mounting block 207, the mounting block 207 is detachably connected to the adjusting head 101 through the threaded hole, the mounting block 207 can be installed on the bottom of the adjusting head 101 through the threaded hole, a placement groove is provided at the top of the inside of the mounting block 207, a push block 209 and an extrusion spring 208 are detachably connected to the mounting block 207 through the placement groove, the push block 209 and the extrusion spring 208 can be installed inside the mounting block 207 through the placement groove, and the steel ball 210 can be squeezed by the push block 209.

[0042] A movable hole is provided inside the adjusting head 101 at the position of the steel ball 210. The steel ball 210 is movably connected to the adjusting head 101 through the movable hole, so that the steel ball 210 can move inside the adjusting head 101. The steel ball 210 is limitedly connected to a group of valve stems 201 through the limiting groove 206. The group of valve stems 201 can be limited by the steel ball 210 and the limiting groove 206, thereby limiting the valve core 2.

[0043] Embodiment 4

[0044] Please refer to Figure 1 and Figure 2 A novel manual reversing valve with a safety device comprises a valve body 1 and a valve core 2 located at the middle position inside the valve body 1. The valve body 1 comprises: an adjusting head 101 is arranged at one end of the valve body 1, and a valve cover 102 is arranged at the other end of the valve body 1; an adjusting rod 3 is arranged at the middle position of the adjusting head 101 and one end of the valve cover 102; multiple groups of liquid ports 103 are arranged at the bottom of the valve body 1 to facilitate the installation and use of the manual reversing valve, and the outer sides of the two groups of adjusting rods 3 are both provided with sealing grooves, and the sealing components 301 are connected to the sealing grooves through the sealing grooves. The adjusting rod 3 is detachably connected, and the sealing assembly 301 can be installed inside the adjusting rod 3 through the sealing groove, so that the two groups of adjusting rods 3 and the adjusting head 101 and the valve cover 102 can be sealed. The adjusting head 101 and the valve cover 102 are provided with mounting holes in the middle position of one end. The two groups of adjusting rods 3 are detachably connected to the adjusting head 101 and the valve cover 102 respectively through the mounting holes. The two groups of adjusting rods 3 can be installed inside the adjusting head 101 and the valve cover 102 respectively through the mounting holes, so as to facilitate the adjustment and use of the manual reversing valve.

[0045] Working principle: Before use, the utility model is fixedly installed on the manual reversing valve. When in use, the ball head 205 can be moved by toggling the handle 204, and a group of valve stems 201 can be driven to move by the ball head 205, thereby driving the valve core 2 to move inside the valve body 1, and the two groups of stems 21 can be reset by the reset spring 1 202, and an elastic force is applied to the push block 209 by the extrusion spring 208, and the push block 209 pushes the steel ball 210 to be stuck in the limiting groove 206 on the outside of a group of valve stems 210, thereby limiting the valve core 2, and a safety structure is formed by the adjusting rod 3, the sealing assembly 301 and the reset spring 2 302. When an emergency occurs, the two groups of adjusting rods 3 can be adjusted to drive the two groups of valve stems 201 to adjust the position of the valve core 2, so that the valve core position can be adjusted in time, so that the manual reversing valve can operate normally, avoid harm to the staff, and make the manual reversing valve safer to use.

[0046] The above is only an embodiment of the utility model, and the common sense such as the known specific structure and characteristics in the scheme is not described too much here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A new manual reversing valve with a safety device, characterized by: The invention comprises a valve body (1) and a valve core (2) located at a middle position inside the valve body (1), wherein the valve body (1) comprises: An adjusting head (101) is arranged at one end of the valve body (1), and a valve cover (102) is arranged at the other end of the valve body (1); An adjusting rod (3) arranged at a middle position between the adjusting head (101) and one end of the valve cover (102); A plurality of groups of liquid ports (103) are arranged at the bottom of the valve body (1); Both ends of the valve core (2) are provided with valve stems (201), and the outer sides of the two groups of valve stems (201) are provided with return springs (202). A fixed wheel (203) is provided at one end of the top of the valve stem (201), and a handle (204) is provided at the outer side of the fixed wheel (203). A ball head (205) penetrating into the interior of one group of valve stems (201) is provided at the outer side of the fixed wheel (203). A plurality of limit grooves (206) are provided at the outer side of one group of valve stems (201). A mounting block (207) is provided at the bottom of the regulating head (101), and a compression spring (208) is provided at the top end of the compression spring (208), and a push block (209) is provided at the top end of the push spring (208), and a steel ball (210) is provided at the top of the push block (209); The outer sides of the two groups of adjusting rods (3) are both provided with sealing components (301), and the outer sides of the two groups of adjusting rods (3) close to the valve body (1) are both provided with return springs (302).

2. A novel manual reversing valve with a safety device according to claim 1, characterized in that: Both ends of the valve body (1) are provided with threaded holes, and the outer sides of one end of the regulating head (101) and the valve cover (102) are provided with external threads matching the threaded holes, and the regulating head (101) and the valve cover (102) are detachably connected to the valve body (1) via the threaded holes.

3. A novel manual reversing valve with a safety device according to claim 2, characterized in that: A rotating hole is arranged inside the fixed wheel (203), a fixed shaft penetrating into the rotating hole is arranged at one end of the top of the regulating head (101), a slot is arranged on the outer side of a group of valve stems (201), and a ball head (205) penetrates into the slot.

4. A novel manual reversing valve with a safety device according to claim 2, characterized in that: The bottom of the adjusting head (101) is provided with a threaded hole, the outer side of the mounting block (207) is provided with an external thread matching the threaded hole, and the mounting block (207) is detachably connected to the adjusting head (101) via the threaded hole.

5. A novel manual reversing valve with a safety device according to claim 2, characterized in that: A placement groove is provided at the top end of the interior of the installation block (207), and the push block (209) and the extrusion spring (208) are detachably connected to the installation block (207) via the placement groove.

6. A novel manual reversing valve with a safety device according to claim 2, characterized in that: A movable hole is provided inside the regulating head (101) at the position of the steel ball (210), and the steel ball (210) is movably connected to the regulating head (101) through the movable hole. The steel ball (210) is limitedly connected to a group of valve stems (201) through the limiting groove (206).

7. A novel manual reversing valve with a safety device according to claim 3, characterized in that: The outer sides of the two groups of adjusting rods (3) are both provided with sealing grooves, and the sealing assembly (301) is detachably connected to the adjusting rods (3) via the sealing grooves.

8. A novel manual reversing valve with a safety device according to claim 3, characterized in that: The regulating head (101) and the valve cover (102) are both provided with mounting holes at the middle positions of one end thereof, and the two sets of regulating rods (3) are detachably connected to the regulating head (101) and the valve cover (102) respectively through the mounting holes.

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