Gas safety self-closing valve with gas inlet and outlet end filtering mechanism

Abstract

The utility model discloses a gas safety self-closing valve with a gas inlet and outlet end filtering mechanism, which belongs to the field of gas safety self-closing valves and comprises a self-closing valve body and connecting pipes arranged on the left side and the right side of the self-closing valve body, and filter screen plates are arranged in the connecting pipes. According to the gas safety self-closing valve with the gas inlet and outlet end filtering mechanism, a fixing pin, a filter screen plate and a pushing plate are arranged, a supporting ring is used for supporting a sliding rod in a sliding mode, the filter screen plate is fixed into a connecting pipe under the action of the pushing plate and the fixing pin, and a first spring and a second spring are matched, so that when a circular plate is moved, the filter screen plate is fixed into the connecting pipe; the fixing pin relieves interception on the filter screen plate and the reaction force effect of the second spring, the filter screen plate is pushed out of the connecting plate through the pushing plate, then the filter screen plate is conveniently cleaned, impurity filtering work is conducted on the air inlet end and the air outlet end of the self-closing valve body through the filter screen plate, the problem that gas circulation is not smooth is avoided, and the self-closing valve is convenient to use and high in practicability. And the danger to the user is eliminated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gas safety self -closing valve technical field, concretely relates to a gas safety self -closing valve with gas inlet and outlet end filter mechanism. BACKGROUND

[0002] As a clean energy of "low consumption, high yield, low pollution, high benefit", gas has been widely applied to people's daily life and production, and gas pipeline is connected to the house by a pressure regulator to adjust medium and high pressure to low pressure, if the pressure regulator fails, the pressure is too high or too low to directly enter the house, which will also cause safety accidents, and the connection of the rubber pipe or the corrugated pipe with the stove will also cause safety accidents, and for the above-mentioned safety hazards in the use of gas, a safety valve with automatic gas pipeline cutting function, i.e. a self -closing valve, is usually installed, which is installed on the gas system pipeline, and when the pipeline gas supply pressure is under pressure, overpressure or abnormal flow, it can be automatically closed without electricity or other external power to ensure the safe use of gas.

[0003] The existing gas safety self -closing valve generally does not have a filter screen at the gas inlet and outlet end, which cannot remove impurities from the gas inlet and outlet end, and to a certain extent, it is easy to cause poor gas flow, affect user use, and further cause great danger to users. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a gas safety self -closing valve with gas inlet and outlet end filter mechanism to solve the problem of the existing gas safety self -closing valve in the background art, which generally does not have a filter screen at the gas inlet and outlet end, which cannot remove impurities from the gas inlet and outlet end, and to a certain extent, it is easy to cause poor gas flow, affect user use, and further cause great danger to users.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a self -closing valve body and a connecting pipe arranged on the left and right sides of the self -closing valve body, a filter screen plate is arranged in the connecting pipe, the connecting pipe is sealed and connected with the self -closing valve body through a fixing assembly, a fixing pin is slidably penetrated and installed on the front and rear sides of the connecting pipe, one end of the fixing pin is provided with a pull plate, a spring one with two ends fixedly connected with the pull plate and the connecting pipe is sleeved on the fixing pin, the other end of the fixing pin is provided with an arc surface, a supporting ring is arranged in the connecting pipe, two slide rods are slidably penetrated and installed on the supporting ring, a circular plate is installed on one end of the slide rod, a spring two with two ends fixedly connected with the supporting ring and the circular plate is sleeved on the slide rod, the other end of the two slide rods is provided with the same annular push plate, the push plate abuts against the filter screen plate, and the filter screen plate is located between the fixing pin and the push plate.

[0006] By adopting the scheme, the fixed pin, the filter screen plate and the push plate are arranged, the slide rod is slidably supported by the supporting ring, the filter screen plate is fixed in the connecting pipe by the push plate and the fixed pin, the spring one and the spring two are combined, the fixed pin is released from intercepting the filter screen plate when the movable circular plate moves, the filter screen plate is pushed out of the connecting plate by the push plate under the reaction force of the spring two, the filter screen plate is conveniently cleaned, the self-closing valve body air inlet end and the air outlet end are filtered by the filter screen plate, and the gas flow is not blocked, the use is convenient, and the danger to the user is eliminated.

[0007] As a preferred implementation form, the fixing assembly comprises a mounting ring mounted on the outer side of the connecting pipe, and a plurality of bolts one are threadedly mounted on the mounting ring, and tail ends of the bolts one are threadedly connected with the self-closing valve body.

[0008] By adopting the scheme, the mounting ring and the bolt one are arranged, the bolt one is supported and fixed by the mounting ring, the connecting pipe is threadedly and fixedly connected with the self-closing valve body by the bolt one, and the operation is convenient.

[0009] As a preferred implementation form, two arc-shaped mounting plates are mounted on the right side of the supporting ring, bolts two are threadedly mounted on the mounting plates, and tail ends of the bolts two are threadedly connected with the inner wall of the connecting pipe.

[0010] By adopting the scheme, the mounting plate and the bolt two are arranged, the mounting plate supports the bolt two, the mounting plate is threadedly fixed by the bolt two, the supporting ring is fixed in the connecting pipe, the bolt two is conveniently loosened to disassemble the supporting ring at any time, and the use is convenient.

[0011] As a preferred implementation form, four arc-shaped sliding grooves are formed in the inner wall of the connecting pipe, an arc-shaped sliding plate is slidably mounted in the sliding groove, and one end of the sliding plate is fixedly connected with the filter screen plate.

[0012] By adopting the scheme, the sliding plate is arranged, one end of the sliding plate is slidably arranged in the sliding groove, the filter screen plate is limitingly supported, the filter screen plate can stably perform the filtering work in the connecting pipe, and the stability of the filter screen plate is improved.

[0013] As a preferred implementation form, the opposite side of each of the two connecting pipes is provided with an annular baffle, four arc-shaped blocking plugs are mounted on the opposite side of each of the two baffles, and one end of each of the blocking plugs is located in the sliding groove.

[0014] By the above scheme, the sealing property of the connecting pipe as a whole is improved by setting the baffle and the blocking plug, fixing and supporting the blocking plug by the baffle, and shielding and blocking the slot of the chute by the blocking plug.

[0015] As a preferred implementation form, the upper surface of the connecting pipe is provided with a slot, a bolt is arranged in the slot, a U-shaped protection plate is mounted at the top end of the bolt, and both ends of the protection plate are located outside the two circular plates.

[0016] By the above scheme, the sealing property of the connecting pipe as a whole is improved by setting the baffle and the blocking plug, fixing and supporting the blocking plug by the baffle, and shielding and blocking the slot of the chute by the blocking plug.

[0017] As a preferred implementation form, the upper surface of the connecting pipe is provided with a slot, a bolt is arranged in the slot, a U-shaped protection plate is mounted at the top end of the bolt, and both ends of the protection plate are located outside the two circular plates.

[0018] By the above scheme, the sealing property of the connecting pipe as a whole is improved by setting the baffle and the blocking plug, fixing and supporting the blocking plug by the baffle, and shielding and blocking the slot of the chute by the blocking plug.

[0019] As a preferred implementation form, the upper surface of the connecting pipe is provided with a slot, a bolt is arranged in the slot, a U-shaped protection plate is mounted at the top end of the bolt, and both ends of the protection plate are located outside the two circular plates.

[0020] By the above scheme, the sealing property of the connecting pipe as a whole is improved by setting the baffle and the blocking plug, fixing and supporting the blocking plug by the baffle, and shielding and blocking the slot of the chute by the blocking plug.

[0021] Compared with the prior art, the utility model has the advantages of:

[0022] The gas safety self-closing valve with the air inlet and outlet end filtering mechanism is convenient to operate, and eliminates the danger to the user.

[0023] The gas safety self-closing valve with the air inlet and outlet end filtering mechanism is convenient to operate, and eliminates the danger to the user. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structure schematic view of the utility model;

[0025] Figure 2 It is a structure schematic view of the utility model;

[0026] Figure 3 It is a structure schematic view of the utility model;

[0027] Figure 4 It is a structure schematic view of the utility model.

[0028] In the drawing: 1, self-closing valve body; 2, connecting pipe; 3, mounting ring; 4, bolt one; 5, fixed pin; 6, spring one; 7, pull plate; 8, filter screen plate; 9, support ring; 10, slide rod; 11, spring two; 12, round plate; 13, push plate; 14, mounting plate; 15, bolt two; 16, slide plate; 17, baffle; 18, plugging plug; 19, bolt; 20, protection plate; 21, clamping plate; 22, rotating column; 23, rotating plate. DETAILED DESCRIPTION

[0029] Please refer to Figures 1-4The utility model provides a kind of gas safety self-closing valve with inlet and outlet end filter mechanism, including self-closing valve main body 1 and the connecting pipe 2 being arranged in the left and right sides of self-closing valve main body 1, filter screen plate 8 is provided in connecting pipe 2, connecting pipe 2 is sealedly connected with self-closing valve main body 1 by fixed assembly, fixed pin 5 is slidably penetrated and installed in the front and back two side faces of connecting pipe 2, one end of fixed pin 5 is installed with pull plate 7, spring one 6 of the fixed connection of the both ends of fixed pin 5 and pull plate 7 and connecting pipe 2 is sleeved on fixed pin 5, the other end of fixed pin 5 is provided with arc face, support ring 9 is provided in connecting pipe 2, two slide rods 10 are slidably penetrated and installed on support ring 9, one end of slide rod 10 is installed with round plate 12, spring two 11 of the fixed connection of the both ends of support ring 9 and round plate 12 is sleeved on slide rod 10, the other end of two slide rods 10 is installed with same annular push plate 13, push plate 13 is in abutment with filter screen plate 8, filter screen plate 8 is between fixed pin 5 and push plate 13, by setting fixed pin 5, filter screen plate 8, push plate 13, utilize support ring 9 to slide support to slide rod 10, in combination with the effect of push plate 13 and fixed pin 5, filter screen plate 8 is fixed in connecting pipe 2, cooperate the effect of spring one 6 and spring two 11, when moving round plate 12, fixed pin 5 removes the interception to filter screen plate 8, the reaction force of spring two 11 acts, filter screen plate 8 is pushed out connecting plate by push plate 13, and then it is convenient to clean filter screen plate 8, the impurity work of the inlet end and the outlet end of self-closing valve main body 1 is filtered by filter screen plate 8, and then the problem that gas circulation is not smooth does not appear, it is convenient to use, eliminate the danger to user.

[0030] Fixed assembly includes mounting ring 3, mounting ring 3 is installed on the outside of connecting pipe 2, a plurality of bolts one 4 are threadedly installed on mounting ring 3, the tail end of bolt one 4 is threadedly connected with self-closing valve main body 1, by setting mounting ring 3 and bolt one 4, utilize the effect of mounting ring 3 to support and fix bolt one 4, connecting pipe 2 is threadedly fixedly connected with self-closing valve main body 1 by the effect of bolt one 4, and then it is convenient to operate.

[0031] Two arc-shaped mounting plates 14 are installed on the right side of support ring 9, bolt two 15 is threadedly installed on mounting plate 14, the tail end of bolt two 15 is threadedly connected with the inner wall of connecting pipe 2, by setting mounting plate 14 and bolt two 15, utilize mounting plate 14 to support bolt two 15, by the effect of bolt two 15 to threadedly fix mounting plate 14, then support ring 9 is fixed in connecting pipe 2, cooperate the effect of bolt two 15 threadedly installed, also it is convenient to loosen bolt two 15 to disassemble support ring 9 at any time later.

[0032] The inner wall surface of the connecting pipe 2 is provided with four arc-shaped sliding grooves, and an arc-shaped sliding plate 16 is slidingly installed in the sliding grooves. One end of the sliding plate 16 is fixedly connected with the filter screen plate 8. By arranging the sliding plate 16 and using the sliding action of one end of the sliding plate 16 in the sliding groove, the filter screen plate 8 is limited and supported, so that the filter screen plate 8 can stably perform filtering work in the connecting pipe 2, and the stability of the filter screen plate 8 is improved.

[0033] The opposite side surfaces of the two connecting pipes 2 are provided with annular baffles 17, and four arc-shaped blocking plugs 18 are installed on the opposite side surfaces of the two baffles 17. One end of the blocking plug 18 is located in the sliding groove. By arranging the baffles 17 and the blocking plugs 18 and using the action of the baffles 17, the blocking plugs 18 are fixedly supported, and in combination with the action of the blocking plugs 18, the slot of the sliding groove is blocked, and the overall sealing performance of the connecting pipe 2 is improved.

[0034] The upper surface of the connecting pipe 2 is provided with a slot, and a latch 19 is arranged in the slot. The top end of the latch 19 is provided with a U-shaped protective plate 20. The two ends of the protective plate 20 are located outside the two circular plates 12. By arranging the latch 19 and the protective plate 20 and using the U-shaped action of the protective plate 20, the two circular plates 12 are shielded and protected, and the fixed filter screen plate 8 is prevented from being removed by the misoperation of a person. In combination with the action of the latch 19, the protective plate 20 is conveniently fixed, and the protective plate 20 is conveniently moved upward to expose the circular plate 12 at any time.

[0035] The opposite side surfaces of the two ends of the protective plate 20 are provided with two clamping grooves. Two clamping plates 21 are installed on the circular plate 12 and are arranged in cooperation with the clamping grooves. One end of the clamping plate 21 is located in the clamping groove. By arranging the clamping plate 21 and using the action that one end of the clamping plate 21 is located in the clamping groove, the two ends of the protective plate 20 are tightly attached to the two circular plates 12, respectively, and the tightness of the connection between the circular plate 12 and the protective plate 20 is improved, and the structure is simple.

[0036] A rotating column 22 is rotatably installed on the upper surface of the connecting pipe 2. A rotating plate 23 is installed on the rotating column 22. One end of the rotating plate 23 is located above the protective plate 20 and is attached to the protective plate 20. By arranging the rotating column 22 and the rotating plate 23 and using the action of the rotating column 22, the rotating plate 23 is rotatably supported on the connecting pipe 2. In combination with the action of the rotating plate 23, the upward movement trend of the protective plate 20 is intercepted, and the phenomenon that the protective plate 20 moves upward due to non-external force is avoided, and the firmness of the protective plate 20 is improved. In combination with the action of the rotating column 22, the rotating plate 23 is conveniently rotated to one side at any time.

[0037] In use, the two connecting pipes 2 are placed at the gas inlet end and the gas outlet end of the self-closing valve body 1 respectively, and then the bolt one 4 is turned to fix the connecting pipes 2 with the self-closing valve body 1. In operation, the gas is preliminarily filtered by the filter screen plate 8 at the gas inlet end, and then the fine particles are filtered by the filter screen plate 8 at the gas outlet end, thereby improving the filtering effect and making the gas purer. When the filter screen plate 8 needs to be cleaned, the bolt one 4 is loosened to remove the connecting pipes 2, then the baffle 17 is moved to move the blocking plug 18 out of the sliding groove, then the rotating plate 23 is rotated to move the rotating plate 23 away from above the protection plate 20, then the protection plate 20 is moved upward to move the bottom end of the bolt 19 out of the slot, at this time the clamping plate 21 on the round plate 12 is gradually moved out of the clamping groove, then the round plate 12 is moved to move the fixing pin 5, one end of the fixing pin 5 is moved away from the side of the filter screen plate 8, and the round plate 12 stretches the spring one 6 when moving, at this time the push plate 13 is moved by the reaction force of the spring two 11, the push plate 13 pushes the filter screen plate 8, and the filter screen plate 8 moves to slide the sliding plate 16 in the sliding groove, so that the filter screen plate 8 can be removed for cleaning.

Claims

1. A gas safety self-closing valve with an inlet and outlet gas end filter mechanism, characterized in that: The device includes a self-closing valve body (1) and connecting pipes (2) arranged on the left and right sides of the self-closing valve body (1). A filter screen (8) is installed inside the connecting pipe (2). The connecting pipe (2) is sealed to the self-closing valve body (1) through a fixing component. Fixing pins (5) are slidably installed on both the front and rear sides of the connecting pipe (2). A pull plate (7) is installed on one end of the fixing pin (5). A spring (6) is sleeved on the fixing pin (5) and its two ends are fixedly connected to the pull plate (7) and the connecting pipe (2) respectively. An arc-shaped part is provided on the other end of the fixing pin (5). On the side, a support ring (9) is provided inside the connecting pipe (2). Two slide rods (10) are slidably installed on the support ring (9). A circular plate (12) is installed at one end of the slide rod (10). A spring (11) is sleeved on the slide rod (10) and its two ends are fixedly connected to the support ring (9) and the circular plate (12) respectively. The other ends of the two slide rods (10) are equipped with the same annular push plate (13). The push plate (13) abuts against the filter screen plate (8). The filter screen plate (8) is located between the fixing pin (5) and the push plate (13).

2. The gas safety self-closing valve with inlet and outlet gas end filtering mechanism according to claim 1, characterized in that: The fixing component includes a mounting ring (3), which is mounted on the outer side of the connecting pipe (2). Several bolts (4) are threadedly mounted on the mounting ring (3), and the tail ends of the bolts (4) are threadedly connected to the self-closing valve body (1).

3. The gas safety self-closing valve with inlet and outlet gas end filtering mechanism according to claim 1, characterized in that: Two arc-shaped mounting plates (14) are installed on the right side of the support ring (9). Bolts (15) are threaded on the mounting plates (14), and the tail ends of the bolts (15) are threaded to the inner wall of the connecting pipe (2).

4. The gas safety self-closing valve with inlet and outlet gas end filtering mechanism according to claim 1, characterized in that: The inner wall of the connecting pipe (2) is provided with four arc-shaped grooves, and an arc-shaped sliding plate (16) is slidably installed in the grooves. One end of the sliding plate (16) is fixedly connected to the filter screen plate (8).

5. The gas safety self-closing valve with inlet and outlet gas end filter mechanism according to claim 4, characterized in that: An annular baffle (17) is provided on the opposite side of each of the two connecting pipes (2), and four arc-shaped sealing plugs (18) are installed on the opposite side of each of the two baffles (17), with one end of the sealing plug (18) located in the groove.

6. The gas safety self-closing valve with inlet and outlet gas end filtering mechanism according to claim 1, characterized in that: The upper surface of the connecting pipe (2) is provided with a slot, and a pin (19) is provided in the slot. A U-shaped protective plate (20) is installed at the top of the pin (19), and both ends of the protective plate (20) are located on the outside of the two circular plates (12).

7. The gas safety self-closing valve with inlet and outlet gas end filtering mechanism according to claim 6, characterized in that: Two slots are provided on one side of each end of the protective plate (20). Two card plates (21) are installed on the circular plate (12) to cooperate with the slots. One end of the card plate (21) is located in the slot.

8. The gas safety self-closing valve with inlet and outlet gas end filtering mechanism according to claim 6, characterized in that: A rotating column (22) is rotatably mounted on the upper surface of the connecting pipe (2), and a rotating plate (23) is mounted on the rotating column (22). One end of the rotating plate (23) is located above the protective plate (20) and is in contact with the protective plate (20).

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