Locking device for switching handle of duplex cylinder type filter with balance valve

Abstract

The utility model relates to a locking device for a switching handle of a duplex barrel type filter with a balance valve, which comprises a barrel body which is a main body of the locking device and is of a barrel-shaped structure, the barrel body is sleeved on the outer side of the switching handle of the duplex barrel type filter with the balance valve, a lock hole is arranged on the side wall of the barrel body, the lock hole is a through hole, and the balance valve is arranged in the lock hole. The lock hole is formed in the position where the handle switching can be stopped when the barrel sleeves the switching handle of the duplex barrel type filter with the balance valve; the lock rod is provided with two ends, one end of the lock rod is used for being inserted into the lock hole, the other end of the lock rod is kept outside the cylinder, the lock rod can be taken out conveniently when the locking handle is canceled and switched, the lock rod is inserted into the cylinder through the lock hole, the position of the switching handle of the duplex cylinder type filter with the balance valve is fixed through the lock rod, and switching of the locking handle is achieved. The locking structure disclosed by the utility model is applied to the switching handle of the duplex cylinder type filter with the balance valve, the relative position of the locking structure and the handle is locked through the locking rod, and rigid support is formed through design to prevent the balance valve from being touched by mistake, so that accidents are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline valves, in particular to a locking device for a switching handle of a double-tube filter with a balancing valve. Background Art

[0002] Duplex cartridge filters with balancing valves are commonly used in various oil stations. Their main purpose is to filter hydraulic oil or lubricating oil. Oil stations are common equipment for various large rotating machinery and large hydraulic machinery. They are service facilities that provide lubricating oil for automobiles, machinery and industrial equipment. Lubricating oil is a viscous liquid. After being processed by a lubricating oil station, it can provide the required lubrication and protection for the equipment.

[0003] The double-jointed cartridge filter with a balancing valve is suitable for scenarios where the oil filter needs to be replaced online. The switch on the switching handle is used to lock the handle and open the balancing valve to inject oil. The specific working process is as follows: hold the handle tightly and press the switch to inject oil into the spare oil filter, and then pull the handle to switch to the spare oil filter. When replacing the failed oil filter, the balancing valve is mistakenly activated when the filter element is replaced during the operation of the filter due to the close distance to the balancing valve switch, resulting in an oil leakage accident.

[0004] At present, the existing double-tube filters with balancing valves are not designed to prevent accidental touch locks. When the non-working side filter housing is removed for equipment maintenance, accidental touching of the balancing valve will cause oil leakage from the maintenance side filter, seriously affecting production safety.

[0005] Therefore, it is urgent to develop a locking device for the switching handle of a double-tube filter with a balancing valve to solve the problem of accidental touch during maintenance and prevent accidents. Summary of the invention

[0006] The technical problem to be solved by the utility model is how to prevent the switching handle of a double-tube filter with a balancing valve from being accidentally touched and locked to prevent accidents.

[0007] In order to solve the above technical problems, the utility model provides a locking device for a switching handle of a double-cartridge filter with a balancing valve, comprising: a cylinder, which is the main body of the locking device and is a cylindrical structure. The cylinder is sleeved on the outside of the switching handle of the double-cartridge filter with a balancing valve. A locking hole is arranged on the side wall of the cylinder. The locking hole is a through hole. The locking hole is arranged in a position that can prevent the handle from switching when the cylinder is sleeved on the switching handle of the double-cartridge filter with a balancing valve; a locking rod, the locking rod having two ends, one end for inserting into the locking hole, and the other end being retained outside the cylinder, so as to facilitate the removal of the locking rod when canceling the switching of the locking handle, wherein the locking rod is inserted into the cylinder through the locking hole, and the position of the switching handle of the double-cartridge filter with a balancing valve is fixed by the locking rod, and the locking handle is switched.

[0008] According to an embodiment of the present invention, there may be two locking holes, and the two locking holes are located opposite to each other.

[0009] According to an embodiment of the utility model, the locking device for the switching handle of a double-cartridge filter with a balancing valve may also include: a limit block, which is arranged in the cylinder in a direction parallel to the axial direction of the cylinder, and is used for the cylinder to adapt to the shape of the switching handle of the double-cartridge filter with a balancing valve to prevent the relative position of the cylinder and the switching handle from moving.

[0010] According to the embodiment of the utility model, the cylinder body can be a cylindrical structure or a rectangular structure, but is not limited thereto, and is determined according to the shape of the switch handle to be locked and user needs.

[0011] According to an embodiment of the utility model, one end of the locking rod for inserting into the locking hole can be straight, and the other end retained outside the cylinder can be at an angle to the one end.

[0012] According to an embodiment of the present invention, the locking rod may be L-shaped.

[0013] According to an embodiment of the utility model, one end of the locking rod for inserting into the locking hole may have a keyhole for locking the locking rod.

[0014] According to an embodiment of the present invention, the cylinder and the locking rod may be made of plastic.

[0015] According to an embodiment of the present invention, the cylinder and the locking rod may be made of ABS material.

[0016] Compared with the prior art, the technical solution provided by the embodiment of the utility model can at least achieve the following beneficial effects:

[0017] The locking device for the switching handle of a double-column filter with a balancing valve according to the utility model is applied to the switching handle of the double-column filter with a balancing valve. The locking rod is locked in relative position with the handle to form a rigid support to prevent accidental touching of the balancing valve, thereby reducing oil leakage accidents caused by accidental touching when replacing the filter and avoiding accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the present utility model, rather than limiting the present utility model.

[0019] Figure 1 Schematic diagram showing a locking device for a switching handle of a double cartridge filter with a balancing valve according to an embodiment of the utility model;

[0020] Figure 2 is a cross-sectional view showing a locking device body sleeve according to an embodiment of the utility model;

[0021] Figure 3 A schematic diagram showing the locking device according to the utility model applied to a switching handle of a double-tube filter with a balancing valve. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of 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.

[0023] Unless otherwise defined, the technical or scientific terms used herein shall have the common meanings understood by persons with ordinary skills in the field to which the utility model belongs. The words "first", "second" and similar words used in the patent application specification and claims of the utility model do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "a" do not indicate a quantity limitation, but indicate the existence of at least one.

[0024] Figure 1 Schematic diagram showing a locking device for a switching handle of a double cartridge filter with a balancing valve according to an embodiment of the utility model; Figure 2 2 is a cross-sectional view showing a locking device body sleeve according to an embodiment of the present utility model.

[0025] like Figure 1 and Figure 2 As shown, the locking device for the switching handle of the double-tube filter with a balancing valve includes: a tube body 2 and a locking rod 1.

[0026] The cylinder 2 is the main body of the locking device and is a cylindrical structure. The cylinder 2 is sleeved on the outside of the switching handle of the double-cylinder filter with a balancing valve. A locking hole 21 is set on the side wall of the cylinder 2. The locking hole 21 is a through hole. The locking hole 21 is set in the position where the cylinder 2 is sleeved on the switching handle of the double-cylinder filter with a balancing valve, which can prevent the handle from switching.

[0027] The locking rod 1 has two ends, one end is used to be inserted into the locking hole 21, and the other end is kept outside the cylinder 2, so as to facilitate the removal of the locking rod 1 when the locking handle is switched off.

[0028] The locking rod 1 is inserted into the cylinder 2 through the locking hole 21, and the position of the switching handle of the double-connected cartridge filter with a balancing valve is fixed by the locking rod 1 to lock the handle switching.

[0029] The locking device for the switching handle of a double-column filter with a balancing valve according to the utility model is applied to the switching handle of the double-column filter with a balancing valve. The locking rod 1 is locked relative to the handle for locking. The design forms a rigid support to prevent accidental touching of the balancing valve, thereby reducing oil leakage accidents caused by accidental touching when replacing the filter and avoiding accidents.

[0030] According to one or some embodiments of the present invention, there are two locking holes 21 , and the two locking holes 21 are located opposite to each other.

[0031] According to one or some embodiments of the present invention, the locking device for the switching handle of the double-tube filter with a balancing valve further includes: a limit block 22.

[0032] The limit block 22 is arranged in the cylinder 2 along a direction parallel to the axial direction of the cylinder 2, so as to adapt the cylinder 2 to the shape of the switching handle of the double-tube filter with a balancing valve, thereby preventing the relative position of the cylinder 2 and the switching handle from shifting.

[0033] According to one or some embodiments of the present invention, the cylinder 2 is a cylindrical structure or a rectangular structure, but is not limited thereto and is determined based on the shape of the switch handle to be locked and user needs.

[0034] According to one or some embodiments of the present invention, one end of the locking rod 1 for inserting into the locking hole 21 is straight, and the other end held outside the cylinder 2 is angled with the one end.

[0035] According to one or some embodiments of the present invention, the locking rod 1 is L-shaped.

[0036] According to one or some embodiments of the present invention, one end of the locking rod 1 for inserting into the locking hole 21 has a lock hole 11 for locking the locking rod 1 .

[0037] According to one or some embodiments of the present invention, the cylinder 2 and the locking rod 1 are made of plastic material, but are not limited thereto.

[0038] According to one or some embodiments of the present invention, the barrel 2 and the locking rod 1 are made of ABS material, but are not limited thereto, as long as the strength is sufficient.

[0039] When in use, the lock rod is inserted into the lock hole 21 to fix the relative position of the body sleeve and the valve handle. The lock rod has a keyhole 11 for inserting a common hardware lock to fix the lock rod.

[0040] After a limit block is arranged in the cylinder of the locking device for the valve switching handle, the cross section is an "inverted convex" type, and corresponding handle limit blocks 22 are provided on both sides.

[0041] Figure 3 A schematic diagram showing the locking device according to the utility model applied to a switching handle of a double-tube filter with a balancing valve.

[0042] like Figure 3 As shown, the locking device is used on the switching handle of the double-tube filter with a balancing valve button 31. The limiting device 21 limits the upper part of the handle to provide a rigid space to prevent the switching handle from being pressed. The relative position of the handle is fixed by locking the locking rod. A rigid support is formed by design to prevent accidental touching of the balancing valve, thereby reducing the occurrence of oil leakage accidents caused by accidental touching when replacing the filter.

[0043] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A locking device for a switching handle of a double cartridge filter with a balancing valve, characterized in that: include: The cylinder is the main body of the locking device and is a cylindrical structure. The cylinder is sleeved on the outside of the switching handle of the double-tube filter with a balancing valve. A locking hole is arranged on the side wall of the cylinder. The locking hole is a through hole. The locking hole is arranged in a position that can prevent the handle from switching when the cylinder is sleeved on the switching handle of the double-tube filter with a balancing valve. The locking rod has two ends, one end is used to be inserted into the locking hole, and the other end is retained outside the cylinder, so as to facilitate the removal of the locking rod when the locking handle is switched off. The locking rod is inserted into the cylinder through the locking hole, and the position of the switching handle of the double-tube filter with a balancing valve is fixed by the locking rod to lock the handle switching.

2. The locking device for the switching handle of a double cartridge filter with a balancing valve according to claim 1, characterized in that: There are two locking holes, which are located opposite to each other.

3. The locking device for the switching handle of a double cartridge filter with a balancing valve according to claim 1, characterized in that: Also includes: A limit block is arranged in the cylinder along a direction parallel to the axial direction of the cylinder, and is used for the cylinder to adapt to the shape of the switching handle of the double-tube filter with a balancing valve to prevent the relative position of the cylinder and the switching handle from shifting.

4. The locking device for the switching handle of a double cartridge filter with a balancing valve according to claim 1, characterized in that: The cylinder body is a cylindrical structure.

5. The locking device for the switching handle of a double cartridge filter with a balancing valve according to claim 1, characterized in that: The cross section of the cylinder is a rectangular structure.

6. The locking device for the switching handle of a double cartridge filter with a balancing valve according to claim 1, characterized in that: One end of the locking rod used for inserting into the locking hole is straight, and the other end held outside the cylinder is angled with the one end.

7. The locking device for the switching handle of a double cartridge filter with a balancing valve according to claim 6, characterized in that: The locking rod is L-shaped.

8. The locking device for the switching handle of a double cartridge filter with a balancing valve according to claim 1, characterized in that: One end of the locking rod used for inserting into the locking hole is provided with a keyhole for locking the locking rod.

9. The locking device for the switching handle of a double cartridge filter with a balancing valve according to claim 1, characterized in that: The cylinder and the locking rod are made of plastic.

10. The locking device for the switching handle of a double cartridge filter with a balancing valve according to claim 1, characterized in that: The cylinder and the locking rod are made of ABS material.

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