Pressure reducing valve air supply device suitable for hydraulic element

Abstract

The utility model relates to the technical field of pressure reducing valves, and discloses a pressure reducing valve air supply device suitable for a hydraulic element, which comprises a pressure reducing valve, a covering mechanism is arranged on an air supply pipe, and a limiting mechanism is arranged on the covering mechanism; the covering mechanism comprises a rotating assembly and a stabilizing assembly, the rotating assembly comprises a connecting plate, a covering plate is hinged to the upper end of the front face of the air supplementing pipe, a connecting base is fixedly connected to the front face of the covering plate, a rotating plate is fixedly connected to the top of the connecting base, and rotating rods are fixedly connected to the left side and the right side of the inner wall of the rectangular groove. According to the pressure reducing valve air supplementing device suitable for the hydraulic element, by arranging the covering mechanism, under the operation of the covering mechanism, a covering plate is shifted to directly cover an air supplementing pipe, meanwhile, a rotating plate is driven to rotate on the surface of a rotating rod, a fixed plate is shifted again, a telescopic plate is stretched and inserted into a long groove, and the covering plate can be arranged on one side of the air supplementing pipe; and the air supplementing pipe is covered, and gas in the pressure reducing valve is prevented from being leaked.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure reducing valves, in particular to a pressure reducing valve air replenishing device suitable for hydraulic components. Background Art

[0002] The pressure reducing valve is a valve that reduces the inlet pressure to a certain required outlet pressure through regulation, and automatically maintains a stable outlet pressure by relying on the energy of the medium itself. From the perspective of fluid mechanics, the pressure reducing valve is a throttling element with variable local resistance, that is, by changing the throttling area, the flow rate and the kinetic energy of the fluid are changed, resulting in different pressure losses, thereby achieving the purpose of pressure reduction.

[0003] For example, a gas replenishing device for a pressure reducing valve with announcement number CN211145482U includes a valve body, which includes an outer shell, a piston and a spring; the piston and the spring are both arranged in the outer shell, the piston is connected to the outer shell through the spring, and a socket for accommodating the lower end of the piston is provided in the outer shell, and the piston and the socket are connected by a first sealing member.

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, the device replenishes air through the air replenishment hole. However, after replenishing air, the air replenishment port is still in an open state. During use, there is still leakage of gas inside the pressure reducing valve. This will affect the normal use of the pressure reducing valve. In this case, it is necessary to add a device that can cover the air replenishment port of the pressure reducing valve. Utility Model Content

[0006] The utility model aims to provide a pressure reducing valve air replenishing device suitable for hydraulic components to solve the problems raised in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical solutions: a pressure reducing valve air supply device suitable for hydraulic components, comprising a pressure reducing valve, a front face of the pressure reducing valve is fixedly connected to an air supply pipe, a covering mechanism is provided on the air supply pipe, and a limiting mechanism is provided on the covering mechanism;

[0008] The covering mechanism comprises a rotating component and a stabilizing component, wherein the stabilizing component is arranged on the rotating component;

[0009] The rotating assembly includes a connecting plate, which is fixedly connected to both sides of the surface of the air supply pipe. A cover plate is hinged on the upper front end of the air supply pipe. A connecting seat is fixedly connected to the front of the cover plate. A rotating plate is fixedly connected to the top of the connecting seat. A rectangular groove is opened inside the connecting plate. Rotating rods are fixedly connected to the left and right sides of the inner wall of the rectangular groove. The surface of the rotating rod and the inside of the rotating plate are rotatably connected.

[0010] Preferably, the top and front and rear sides of the rectangular groove are all set to be openings, and the surface of the rotating plate is plugged into the inside of the rectangular groove. When the rotating plate rotates on the surface of the rotating rod, it can easily drive the covering plate to rotate.

[0011] Preferably, the stabilizing component includes a first T-shaped rotating rod, which is rotatably connected to the side of the connecting plate away from the air supply pipe, a fixing plate is fixedly connected to the surface of the first T-shaped rotating rod, a first T-shaped slot is provided on the fixing plate close to the air supply pipe, a first T-shaped block is slidably connected inside the first T-shaped slot, a telescopic plate is fixedly connected to the first T-shaped block close to the air supply pipe, a long slot is provided inside the rotating plate, bolts are connected to the telescopic plate and the rotating plate, and a square slot is provided inside the connecting plate away from the air supply pipe.

[0012] Preferably, both left and right sides of the long slot are set as openings, and the surface of the telescopic plate is plugged into the interior of the long slot. When the telescopic plate is stretched and plugged into the long slot, the rotating plate can be driven and fixed.

[0013] Preferably, the square groove is arranged at the top of the first T-shaped rotating rod, the front side and the left and right sides of the square groove are arranged to be openings, and the surface of the telescopic plate is plugged into the inside of the square groove.

[0014] Preferably, the limiting mechanism includes a second T-slot, which is opened inside the side of the connecting plate away from the air supply pipe, and the front and rear ends of the connecting plate away from the air supply pipe are fixedly connected to the limiting plate, an electric push rod is fixedly connected to the inner side of the limiting plate, and the other side of the electric push rod is fixedly connected to a mounting plate, and the other side of the mounting plate is fixedly connected to an insertion rod, long hole grooves are opened all around the surface of the first T-shaped rotating rod, the surface of the insertion rod and the inside of the long hole groove are plugged into each other, and a second T-block is fixedly connected to the side of the mounting plate close to the connecting plate.

[0015] Preferably, the number of the second T-blocks and second T-slots is four and they form a group of two, the surface of the second T-block is plugged into the interior of the second T-slot, and the front and rear second T-slots are both arranged on the front and rear sides of the first T-shaped rotating rod.

[0016] Compared with the prior art, the utility model provides a pressure reducing valve air replenishing device suitable for hydraulic components, which has the following beneficial effects:

[0017] 1. The air supply device for the pressure reducing valve suitable for hydraulic components is provided with a covering mechanism. When the covering mechanism is in operation, the covering plate is moved to directly cover the air supply pipe. At the same time, the rotating plate is driven to rotate on the surface of the rotating rod. The fixed plate is moved again, and the fixed plate drives the first T-shaped rotating rod to rotate on one side of the connecting plate. At this time, the telescopic plate is arranged on one side of the rotating plate, and the telescopic plate is stretched and inserted into the long groove. The telescopic plate and the rotating plate are fixed by bolts. The covering plate can be arranged on one side of the air supply pipe to cover the air supply pipe, thereby preventing the gas inside the pressure reducing valve from leaking.

[0018] 2. The pressure reducing valve air supply device suitable for hydraulic components is provided with a limit mechanism. When the limit mechanism is in operation, the electric push rod is started to drive the mounting plate to move, and the mounting plate drives the plug rod to be inserted into the limit mechanism to limit and fix the first T-shaped rotating rod. At this time, the position of the cover plate can be limited and fixed. When the cover plate covers the air supply pipe, the gas in the pressure reducing valve will not leak through the air supply pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0020] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0021] Figure 2 is a schematic diagram of the structure of the rotating assembly;

[0022] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0023] Figure 4 A schematic diagram of the structure of the stable component;

[0024] Figure 5 for Figure 4 A schematic diagram of the structure of the intercepted part;

[0025] Figure 6 It is a structural schematic diagram of the limiting mechanism;

[0026] Figure 7 for Figure 6 Enlarged structural diagram at B in the middle.

[0027] In the figure: 1. pressure reducing valve; 2. covering mechanism; 21. rotating assembly; 211. connecting plate; 212. rotating rod; 213. rectangular groove; 214. covering plate; 215. rotating plate; 216. connecting seat; 22. stabilizing assembly; 221. long groove; 222. bolt; 223. square groove; 224. first T-block; 225. first T-shaped rotating rod; 226. fixing plate; 227. first T-slot; 228. telescopic plate; 3. limiting mechanism; 31. long hole groove; 32. plug rod; 33. electric push rod; 34. limiting plate; 35. second T-slot; 36. second T-block; 37. mounting plate; 4. air supply pipe. DETAILED DESCRIPTION

[0028] 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.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The utility model provides the following technical solutions:

[0031] Embodiment 1

[0032] Combination Figures 1 to 5 , a pressure reducing valve air supply device suitable for hydraulic components, comprising a pressure reducing valve 1, a front side of the pressure reducing valve 1 is fixedly connected to an air supply pipe 4, a covering mechanism 2 is arranged on the air supply pipe 4, and a limiting mechanism 3 is arranged on the covering mechanism 2;

[0033] The covering mechanism 2 includes a rotating component 21 and a stabilizing component 22, wherein the stabilizing component 22 is disposed on the rotating component 21;

[0034] The rotating assembly 21 includes a connecting plate 211, which is fixedly connected to both sides of the surface of the air supply pipe 4. A cover plate 214 is hinged on the upper end of the front of the air supply pipe 4. A connecting seat 216 is fixedly connected to the front of the cover plate 214. A rotating plate 215 is fixedly connected to the top of the connecting seat 216. A rectangular groove 213 is opened inside the connecting plate 211. The left and right sides of the inner wall of the rectangular groove 213 are fixedly connected to a rotating rod 212. The surface of the rotating rod 212 is rotatably connected to the inside of the rotating plate 215. The top and the front and rear sides of the rectangular groove 213 are set as openings. The surface of the rotating plate 215 is plugged into the inside of the rectangular groove 213.

[0035] The stabilizing component 22 includes a first T-shaped rotating rod 225, which is rotatably connected to the side of the connecting plate 211 away from the air supply pipe 4. A fixing plate 226 is fixedly connected to the surface of the first T-shaped rotating rod 225. A first T-shaped slot 227 is provided on the fixing plate 226 close to the air supply pipe 4. A first T-shaped block 224 is slidably connected inside the first T-shaped slot 227. A telescopic plate 228 is fixedly connected to the side of the first T-shaped block 224 close to the air supply pipe 4. A long slot 221 is provided inside the rotating plate 215. Bolts 222 are connected to the telescopic plate 228 and the rotating plate 215. A square slot 223 is provided inside the connecting plate 211 away from the air supply pipe 4. The left and right sides of the long slot 221 are both set to openings. The surface of the telescopic plate 228 is plugged into the inside of the long slot 221. The square slot 223 is set at the top of the first T-shaped rotating rod 225. The front and left and right sides of the square slot 223 are all set to openings. The surface of the telescopic plate 228 is plugged into the inside of the square slot 223.

[0036] Furthermore, the covering plate 214 is moved, so that the covering plate 214 directly covers the air supply pipe 4, and the rotating plate 215 is driven to rotate on the surface of the rotating rod 212, and the fixed plate 226 is moved again, and the fixed plate 226 drives the first T-shaped rotating rod 225 to rotate on the side of the connecting plate 211. At this time, the telescopic plate 228 is set on the side of the rotating plate 215, and the telescopic plate 228 is stretched and inserted into the long groove 221. The bolts 222 fix the telescopic plate 228 and the rotating plate 215, and the covering plate 214 can be set on the side of the air supply pipe 4 to cover the air supply pipe 4 to prevent the gas inside the pressure reducing valve 1 from leaking.

[0037] Embodiment 2

[0038] See also Figure 1-7On the basis of the first embodiment, the limiting mechanism 3 further comprises a second T-slot 35, the second T-slot 35 is arranged inside the side of the connecting plate 211 away from the air supply pipe 4, the front and rear ends of the side of the connecting plate 211 away from the air supply pipe 4 are fixedly connected to the limiting plate 34, the inner side of the limiting plate 34 is fixedly connected with an electric push rod 33, the other side of the electric push rod 33 is fixedly connected with a mounting plate 37, the other side of the mounting plate 37 is fixedly connected with an insertion rod 32, the surface of the first T-shaped rotating rod 225 is arranged with long hole grooves 31 all around, the surface of the insertion rod 32 is plugged into the inside of the long hole groove 31, the side of the mounting plate 37 close to the connecting plate 211 is fixedly connected with a second T-block 36, the number of the second T-block 36 and the second T-slot 35 is four and two are in a group, the surface of the second T-block 36 is plugged into the inside of the second T-slot 35, and the front and rear second T-slots 35 are arranged on the front and rear sides of the first T-shaped rotating rod 225.

[0039] Furthermore, the electric push rod 33 is started to drive the mounting plate 37 to move, and the mounting plate 37 drives the insertion rod 32 to be inserted into the limiting mechanism 3 to limit and fix the first T-shaped rotating rod 225. At this time, the position of the covering plate 214 can be limited and fixed. When the covering plate 214 covers the air supply pipe 4, the gas in the pressure reducing valve 1 will not leak through the air supply pipe 4.

[0040] In actual operation, when the device is used, when it is necessary to supplement air inside the pressure reducing valve 1, air can be supplemented through the air supply pipe 4 through the air charging device. After the air supply is completed, the cover plate 214 is moved to directly cover the air supply pipe 4. At the same time, the rotating plate 215 is driven to rotate on the surface of the rotating rod 212, and the fixed plate 226 is moved again. The fixed plate 226 drives the first T-shaped rotating rod 225 to rotate on one side of the connecting plate 211. At this time, the telescopic plate 228 is set on one side of the rotating plate 215, and the telescopic plate 228 is stretched and inserted into the long groove 221. The bolt 222 fixes the telescopic plate 228 and the rotating plate 215;

[0041] The electric push rod 33 starts to drive the mounting plate 37 to move, and the mounting plate 37 drives the second T-shaped block 36 to slide in the second T-shaped groove 35. At the same time, the mounting plate 37 drives the insertion rod 32 to be inserted into the limiting mechanism 3 to limit and fix the first T-shaped rotating rod 225. At this time, the position of the cover plate 214 can be limited and fixed. When the cover plate 214 covers the air supply pipe 4, the gas in the pressure reducing valve 1 will not leak through the air supply pipe 4.

[0042] When the telescopic plate 228 drives the first T-shaped block 224 to slide in the first T-shaped slot 227 , the telescopic plate 228 is inserted into the square slot 223 , so that the cover plate 214 can be opened and the position of the cover plate 214 can be limited and fixed.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A pressure reducing valve air supply device suitable for a hydraulic component, comprising a pressure reducing valve (1), characterized in that: The pressure reducing valve (1) is fixedly connected to an air supply pipe (4) at its front side, a covering mechanism (2) is provided on the air supply pipe (4), and a limiting mechanism (3) is provided on the covering mechanism (2); The covering mechanism (2) comprises a rotating component (21) and a stabilizing component (22), wherein the stabilizing component (22) is arranged on the rotating component (21); The rotating assembly (21) comprises a connecting plate (211), wherein the connecting plate (211) is fixedly connected to two sides of the surface of the air supply pipe (4), a cover plate (214) is hingedly connected to the upper end of the front side of the air supply pipe (4), a connecting seat (216) is fixedly connected to the front side of the cover plate (214), a rotating plate (215) is fixedly connected to the top of the connecting seat (216), a rectangular groove (213) is provided inside the connecting plate (211), and a rotating rod (212) is fixedly connected to the left and right sides of the inner wall of the rectangular groove (213), and the surface of the rotating rod (212) is rotatably connected to the inside of the rotating plate (215).

2. The pressure reducing valve air supply device suitable for hydraulic components according to claim 1, characterized in that: The top and the front and rear sides of the rectangular groove (213) are all arranged to be openings, and the surface of the rotating plate (215) is plugged into the interior of the rectangular groove (213).

3. The pressure reducing valve air supply device suitable for hydraulic components according to claim 1, characterized in that: The stabilizing component (22) comprises a first T-shaped rotating rod (225), the first T-shaped rotating rod (225) being rotatably connected to a side of the connecting plate (211) away from the air supply pipe (4), a fixing plate (226) being fixedly connected to a surface of the first T-shaped rotating rod (225), a first T-shaped slot (227) being provided on a side of the fixing plate (226) close to the air supply pipe (4), a first T-shaped block (224) being slidably connected inside the first T-shaped slot (227), a telescopic plate (228) being fixedly connected to a side of the first T-shaped block (224) close to the air supply pipe (4), a long slot (221) being provided inside the rotating plate (215), bolts (222) being connected inside the telescopic plate (228) and the rotating plate (215), and a square slot (223) being provided inside the connecting plate (211) on a side away from the air supply pipe (4).

4. The pressure reducing valve air supply device suitable for hydraulic components according to claim 3, characterized in that: The left and right sides of the long slot (221) are both arranged to be openings, and the surface of the telescopic plate (228) is plugged into the interior of the long slot (221).

5. The pressure reducing valve air supply device suitable for hydraulic components according to claim 3, characterized in that: The square groove (223) is arranged on the top of the first T-shaped rotating rod (225); the front side and the left and right sides of the square groove (223) are arranged to be open; the surface of the telescopic plate (228) is plugged into the inside of the square groove (223).

6. The pressure reducing valve air supply device suitable for hydraulic components according to claim 3, characterized in that: The limiting mechanism (3) comprises a second T-shaped groove (35), the second T-shaped groove (35) being arranged inside a side of the connecting plate (211) away from the air supply pipe (4), the front and rear ends of the side of the connecting plate (211) away from the air supply pipe (4) being fixedly connected to a limiting plate (34), the inner side of the limiting plate (34) being fixedly connected to an electric push rod (33), the other side of the electric push rod (33) being fixedly connected to a mounting plate (37), the other side of the mounting plate (37) being fixedly connected to an insertion rod (32), the surface of the first T-shaped rotating rod (225) being arranged with long hole grooves (31) all around, the surface of the insertion rod (32) being plugged into the inside of the long hole grooves (31), and the side of the mounting plate (37) close to the connecting plate (211) being fixedly connected to a second T-shaped block (36).

7. The pressure reducing valve air supply device suitable for hydraulic components according to claim 6, characterized in that: The number of the second T-shaped blocks (36) and the second T-shaped slots (35) is four and they form a group of two. The surface of the second T-shaped block (36) is plugged into the interior of the second T-shaped slot (35). The front and rear second T-shaped slots (35) are both arranged on the front and rear sides of the first T-shaped rotating rod (225).

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