Fuel gas pressure adjusting device

Abstract

The utility model discloses a fuel gas pressure adjusting device, and relates to the technical field of pressure adjusting accessory devices. The filter comprises a shell, a filter box, a filter plate, a pressure adjusting seat and an air inlet pipe, one end of the air inlet pipe penetrates out of the shell, and a cover plate is arranged at the top end of the shell; and a linkage mechanism. According to the utility model, the linkage mechanism is arranged; through arrangement of a clamping plate and two clamping seats, a filter plate can be conveniently clamped and limited, similarly, the filter plate is convenient to disassemble and assemble, a cleaning brush can be driven to move through mechanical transmission by virtue of horizontal movement of the clamping plate, so that the cleaning brush is in contact with one end of the filter plate, and after gas is introduced into a filter box, the cleaning brush is driven to move through mechanical transmission; the air extrudes the impeller to rotate, the impeller rotates to drive the cleaning brush to rotate through mechanical transmission, then one end of the filter plate is cleaned and brushed, the situation that filter holes are blocked by filtered particle impurities is avoided, and then the air circulation of the filter plate is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure regulating accessory devices, in particular to a gas pressure regulating device. Background Art

[0002] Gas pressure regulators can be divided into regional pressure regulators, special pressure regulators and user pressure regulators according to their purpose or user objects; according to inlet and outlet pressures, they can be divided into high and high pressure, high and medium pressure, high and low pressure, etc.; according to structure, they can be divided into float type, diaphragm type, etc. Different types of pressure regulators are suitable for different scenarios and needs to ensure the safety and efficiency of gas supply.

[0003] According to announcement number CN207701862U, a gas pressure regulating device is provided, which can reduce the entry of impurities into the pressure reducing valve, reduce damage to the pressure reducing valve, and improve reliability in use; and can conveniently fix the position of the pressure reducing valve, and improve the stability of the connection between the left transmission pipe and the right transmission pipe and the pressure reducing valve; it includes a pressure reducing valve, a left transmission pipe and a right transmission pipe, and the left transmission pipe and the right transmission pipe are respectively provided with a left stop valve and a right stop valve; it also includes a filter box, a filter plate, a group of limit frames, a group of limit springs, a box cover, a group of mounting threaded rods and a group of mounting nuts, a group of sealing gaskets are respectively provided at one end of a group of limit frames, and a mounting ring is provided on the top of the outer wall of the filter box; it also includes a fixing box, a group of upper fixing springs, a group of lower fixing springs, a group of upper fixing rings, a group of lower fixing rings, a group of left connecting rings, a group of right connecting rings and a group of elastic fixing ropes.

[0004] This patent sets a filter plate to filter the gas entering the pressure regulating seat, preventing particulate impurities mixed in the gas from entering the regulating seat, thereby improving the service life of the regulating seat. However, when the filter plate filters the gas, impurities in the gas adhere to and accumulate on the surface of the filter plate. After a period of use, the amount of impurity accumulation increases and the filter holes of the filter plate are blocked, resulting in reduced air circulation of the filter plate, affecting the efficiency of gas entering the regulating seat. For this purpose, a gas pressure regulating device is provided. Utility Model Content

[0005] The purpose of the present invention is to provide a gas pressure regulating device to solve the problem in the background art that particulate impurities filtered by the filter plate adhere to and accumulate on the surface of the filter plate, thereby causing clogging of the filter holes and reducing the air flow of the filter plate.

[0006] The top of the filter press is connected with the air filter press of the filter press, and the top of the filter press is connected with the air filter press of the filter press.

[0007] Preferably, the top end of the filter box is connected to a rotating rod through a bearing, the bottom end of the rotating rod passes through the interior of the filter box, the bottom end of the rotating rod is welded with a first bevel gear, the end of the first bevel gear close to the clamping plate is meshed with a second bevel gear, the end of the second bevel gear close to the clamping plate is welded with a threaded rod, and the threaded rod is connected to the clamping plate through threads.

[0008] Preferably, the outer wall of the threaded rod is connected to a support seat via a bearing, and the bottom end of the support seat is fixedly connected to the inner wall of the filter box via bolts.

[0009] Preferably, a sliding rod is fixed to the bottom end of the clamping plate by means of bolts, and the sliding rod is rotatably connected to the rotating column via a bearing.

[0010] Preferably, the inner sliding sleeve of the sliding rod is connected to a limiting rod, and both ends of the limiting rod are fixedly connected to the inner wall of the filter box by bolts.

[0011] Preferably, limiting grooves are provided on both sides of the filter box, and a clamping seat is slidably connected to the interior of the filter box. The top end of the clamping seat is inclined, and the clamping seat matches the limiting grooves.

[0012] Preferably, one side of the clamping seat is fixedly connected to a spring, and the other side of the spring is fixedly connected to the inner wall of the filter box.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] By setting up a linkage mechanism; through the setting of the clamping plate and two clamping seats, the filter plate can be conveniently clamped and limited, and the removal and installation of the filter plate are also convenient. The horizontal movement of the clamping plate can drive the cleaning brush to move through mechanical transmission, so that the cleaning brush contacts one end of the filter plate. After the gas enters the filter box, the gas squeezes the impeller to rotate, and the rotation of the impeller can drive the cleaning brush to rotate through mechanical transmission, thereby cleaning one end of the filter plate, avoiding the filtered particulate impurities from clogging the filter holes, thereby ensuring the air flow of the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the shell of the present utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the filter box of the present utility model;

[0018] Figure 4 For the utility model Figure 3 A in the figure shows the enlarged structural diagram;

[0019] Figure 5 For the utility model Figure 3 The enlarged structural diagram at B in FIG.

[0020] In the figure: 1. Shell; 2. Filter box; 201. Inlet pipe; 202. Filter plate; 2021. Limiting groove; 203. Clamping seat; 2031. Spring; 3. Pressure adjustment seat; 4. Linkage mechanism; 401. Rotating rod; 402. First bevel gear; 403. Second bevel gear; 404. Threaded rod; 4041. Support seat; 405. Clamping plate; 406. Sliding rod; 4061. Limiting rod; 407. Rotating column; 408. Impeller; 409. Cleaning brush; 5. Cover plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] The following is combined with Figure 1-Figure 5 The utility model is described in further detail.

[0023] See also Figure 1-Figure 5, the utility model provides a gas pressure regulating device: a gas pressure regulating device, comprising a shell 1, a filter box 2 is fixed to the inside of the shell 1 by bolts, a filter plate 202 is arranged inside the filter box 2, a pressure regulating seat 3 is fixed to the inside of the shell 1 by bolts, the pressure regulating seat 3 is used for gas pressure regulation, the pressure regulating seat 3 is located at one end of the filter box 2, an intake pipe 201 is welded to the end of the filter box 2 away from the pressure regulating seat 3, the filter plate 202 is used for filtering the gas passing through the intake pipe 201, one end of the intake pipe 201 passes through the outside of the shell 1, a cover plate 5 is provided at the top of the shell 1, the cover plate 5 is used to control the opening and closing of the shell 1; a linkage mechanism 4, the linkage mechanism 4 is arranged at the top of the filter box 2, and the linkage mechanism 4 extends to the inside of the filter box 2, the linkage mechanism 4 is used to clamp and fix the filter plate 202, and the linkage mechanism 4 is used to adjust the filter plate 202 The cleaning brush 409 is provided inside the filter box 2, and the cleaning brush 409 is located below the clamping plate 405, and the cleaning brush 409 is located at one end of the filter plate 202. The end of the cleaning brush 409 away from the filter plate 202 is fixed with a rotating column 407 by bolts, and the end of the rotating column 407 away from the cleaning brush 409 is fixed with an impeller 408 by bolts. The clamping plate 405 can move horizontally to the top of the filter plate 202, thereby clamping and limiting the filter plate 202. When the clamping plate 405 moves horizontally, the cleaning brush 409 can be driven to move. The cleaning brush 409 moves and contacts one end of the filter plate 202. The rotation of the impeller 408 can drive the rotating column 407 to rotate, and the rotation of the rotating column 407 can drive the cleaning brush 409 to rotate, thereby cleaning one end of the filter plate 202.

[0024] The top of the filter box 2 is connected to a rotating rod 401 through a bearing, and the bottom end of the rotating rod 401 passes through the interior of the filter box 2. A first bevel gear 402 is welded to the bottom end of the rotating rod 401, and the end of the first bevel gear 402 close to the clamping plate 405 is meshed with a second bevel gear 403, and the end of the second bevel gear 403 close to the clamping plate 405 is welded with a threaded rod 404, and the threaded rod 404 is connected to the clamping plate 405 through a thread. The rotation of the rotating rod 401 can drive the first bevel gear 402 to rotate, and the rotation of the first bevel gear 402 drives the second bevel gear 403 to rotate, and the rotation of the second bevel gear 403 can drive the threaded rod The rod 404 rotates, and the rotation of the threaded rod 404 can drive the clamping plate 405 to move; the outer wall of the threaded rod 404 is connected to the support seat 4041 through a bearing, and the bottom end of the support seat 4041 is fixedly connected to the inner wall of the filter box 2 by a bolt, and the support seat 4041 is used to support the threaded rod 404, thereby ensuring the stability of the threaded rod 404 during the transmission of the rotational force; the bottom end of the clamping plate 405 is fixed with a sliding rod 406 by a bolt, and the sliding rod 406 is rotatably connected to the rotating column 407 through a bearing. The horizontal movement of the clamping plate 405 can drive the sliding rod 406 to move, and the movement of the sliding rod 406 can drive the rotating column 407 to move;

[0025] The inner sliding sleeve of the sliding rod 406 is connected to the limit rod 4061, and the two ends of the limit rod 4061 are fixedly connected to the inner wall of the filter box 2 by bolts. The limit rod 4061 is used to support the sliding rod 406, thereby ensuring the stability of the sliding rod 406 when it moves horizontally; limiting grooves 2021 are provided on both sides of the filter box 2, and the inner sliding connection of the filter box 2 is provided with a clamping seat 203, the top of the clamping seat 203 is inclined, and the clamping seat 203 matches the limiting groove 2021. Through the setting of the limiting groove 2021 and the clamping seat 203, when the filter plate 202 moves downward, the clamping seat 203 can be squeezed and clamped. The top of the holding seat 203 is set to an inclined shape, so that the two clamping seats 203 can be squeezed to move away from each other when the filter plate 202 moves downward, and the clamping seat 203 is engaged with the limit groove 2021, thereby ensuring the stability of the filter plate 202 when in use; one side of the clamping seat 203 is fixedly connected to the spring 2031, and the other side of the spring 2031 is fixedly connected to the inner wall of the filter box 2, and the spring 2031 is used to maintain the initial position of the clamping seat 203, and the spring 2031 is used to provide a horizontal movement reset force to the clamping seat 203.

[0026] When the filter plate 202 is fully moved to the interior of the filter box 2, the rotating rod 401 is manually rotated, and the rotating rod 401 rotates to drive the first bevel gear 402 to rotate. The first bevel gear 402 rotates to drive the second bevel gear 403 to rotate. The second bevel gear 403 rotates to drive the threaded rod 404 to rotate. The threaded rod 404 rotates to drive the clamping plate 405 to move toward the top of the filter plate 202, and the clamping plate 405 moves to the top of the filter plate 202. At this time, the clamping seat 203 clamps the two sides of the filter plate 202, and the clamping plate 405 clamps the top of the filter plate 202.

[0027] Secondly, the horizontal movement of the clamping plate 405 drives the sliding rod 406 to move at the same time, and the movement of the sliding rod 406 drives the rotating column 407 to move, and the movement of the rotating column 407 drives the cleaning brush 409 to move, and the cleaning brush 409 moves and contacts one end of the filter plate 202, and then the gas enters the interior of the filter box 2 through the air inlet pipe 201. Under the filtration of the filter plate 202, the particulate dust adheres to and accumulates on one end of the filter plate 202, and the gas entering the filter box 2 contacts the impeller 408 and drives the impeller 408 to rotate. The rotation of the impeller 408 drives the rotating column 407 to rotate, and the rotation of the rotating column 407 drives the cleaning brush 409 to rotate, and the cleaning brush 409 rotates and cleans one end of the filter plate 202, thereby ensuring the air flow of the filter holes of the filter plate 202.

[0028] Finally, by setting the clamping plate 405 and the two clamping seats 203, the filter plate 202 can be conveniently clamped and limited. Similarly, the disassembly and installation of the filter plate 202 are facilitated, and the horizontal movement of the clamping plate 405 can drive the cleaning brush 409 to move through mechanical transmission, so that the cleaning brush 409 contacts one end of the filter plate 202. After the gas enters the filter box 2, the gas squeezes the impeller 408 to rotate. The rotation of the impeller 408 can drive the cleaning brush 409 to rotate through mechanical transmission, thereby cleaning one end of the filter plate 202 to avoid the filtered particulate impurities from clogging the filter holes, thereby ensuring the air flow of the filter plate 202.

[0029] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A gas pressure regulating device, characterized in that: include: A housing (1), wherein a filter box (2) is fixed to the interior of the housing (1) by bolts, a filter plate (202) is provided inside the filter box (2), a pressure regulating seat (3) is fixed to the interior of the housing (1) by bolts, the pressure regulating seat (3) is located at one end of the filter box (2), an air intake pipe (201) is welded to the end of the filter box (2) away from the pressure regulating seat (3), one end of the air intake pipe (201) passes through the exterior of the housing (1), and a cover plate (5) is provided at the top end of the housing (1); A linkage mechanism (4) is provided at the top of the filter box (2), and the linkage mechanism (4) extends to the interior of the filter box (2), the linkage mechanism (4) comprises a clamping plate (405) slidably sleeved on the interior of the filter box (2), a cleaning brush (409) is provided inside the filter box (2), the cleaning brush (409) is located below the clamping plate (405), and the cleaning brush (409) is located at one end of the filter plate (202), the end of the cleaning brush (409) away from the filter plate (202) is fixed with a rotating column (407) by bolts, and the end of the rotating column (407) away from the cleaning brush (409) is fixed with an impeller (408) by bolts.

2. A gas pressure regulating device according to claim 1, characterized in that: The top end of the filter box (2) is connected to a rotating rod (401) via a bearing, the bottom end of the rotating rod (401) penetrates into the interior of the filter box (2), a first bevel gear (402) is welded to the bottom end of the rotating rod (401), an end of the first bevel gear (402) close to the clamping plate (405) is meshed with a second bevel gear (403), and an end of the second bevel gear (403) close to the clamping plate (405) is welded to a threaded rod (404), and the threaded rod (404) is connected to the clamping plate (405) via a thread.

3. A gas pressure regulating device according to claim 2, characterized in that: The outer wall of the threaded rod (404) is connected to a support seat (4041) via a bearing, and the bottom end of the support seat (4041) is fixedly connected to the inner wall of the filter box (2) via bolts.

4. A gas pressure regulating device according to claim 1, characterized in that: The bottom end of the clamping plate (405) is fixed with a sliding rod (406) by means of bolts, and the sliding rod (406) is rotatably connected to a rotating column (407) via a bearing.

5. A gas pressure regulating device according to claim 4, characterized in that: The interior of the sliding rod (406) is slidably sleeved onto a limiting rod (4061), and both ends of the limiting rod (4061) are fixedly connected to the inner wall of the filter box (2) via bolts.

6. A gas pressure regulating device according to claim 1, characterized in that: Limiting grooves (2021) are provided on both sides of the filter box (2), and a clamping seat (203) is slidably connected inside the filter box (2), the top end of the clamping seat (203) is inclined, and the clamping seat (203) matches the limiting grooves (2021).

7. A gas pressure regulating device according to claim 6, characterized in that: One side of the clamping seat (203) is fixedly connected to a spring (2031), and the other side of the spring (2031) is fixedly connected to the inner wall of the filter box (2).

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