Zero-leakage-rate high-pressure air valve structure

Abstract

The utility model discloses a zero-leakage-rate high-pressure air valve structure which comprises a mounting base, an adaptive groove is formed in the middle of the mounting base, a driving strip is fixedly connected to the middle of the adaptive groove, turning plates are rotationally arranged on the two sides of the driving strip, one end of each turning plate is fixedly connected with a connecting block, and the other end of each turning plate is fixedly connected with a connecting rod. The connecting block is arranged on the back face of the driving strip, a containing groove is formed in the back face of the driving strip, a limiting bolt is arranged in the containing groove in a sliding mode, one end of the limiting bolt is matched with the connecting block, the end, located in the containing groove, of the limiting bolt is fixedly connected with a pushing block, and the pushing block is exposed out of the containing groove. The problems that an existing air valve is prone to being polluted by oil stains and dust, pollutants are accumulated to enlarge a sealing gap, and the sealing effect is damaged are solved; and a reset mechanism is not enough in design and is easy to deviate due to external pressure or vibration interference, so that tight closing is influenced, and leakage is caused.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of air valves, in particular to a high-pressure air valve structure with zero leakage. Background Art

[0002] A significant problem with existing dampers is their susceptibility to contaminants such as oil and dust. These contaminants accumulate on the sealing surface, gradually widening the seal gap and compromising the seal. Furthermore, when closed, the reset mechanism of traditional dampers often has design deficiencies, making it vulnerable to external pressure or vibration. This can lead to deflection, preventing the damper from closing tightly and causing leakage. Utility Model Content

[0003] The technical solution of the present invention aims at the technical problem that the existing technical solutions are too single, and provides a solution that is significantly different from the existing technology. It mainly provides a high-pressure air valve structure with zero leakage to solve the technical problems raised in the above background technology.

[0004] The technical solution adopted by the present invention to solve the above-mentioned technical problems is: a high-pressure air valve structure with zero leakage, including a mounting seat, an adaptation groove is provided at the center of the mounting seat, a driving bar is fixedly connected to the center of the adaptation groove, and a flap is rotatably provided on both sides of the driving bar, one end of the flap is fixedly connected to a connecting block, the connecting block is provided on the back of the driving bar, a receiving groove is provided on the back of the driving bar, a limiting bolt is slidably provided in the receiving groove, and one end of the limiting bolt is adapted to the connecting block.

[0005] Preferably, one end of the limiting bolt located in the receiving slot is fixedly connected to a push block, and the push block is exposed outside the receiving slot.

[0006] Preferably, a compression spring is provided between one end of the limiting bolt and the inner wall of the receiving groove.

[0007] Preferably, a shaft block is fixedly connected to one side of the flap, the shaft block is arranged in the driving bar, and a shaft rod is arranged in the front side of the driving bar.

[0008] Preferably, both sides of the shaft are fixedly connected to limit rods, the shaft block is adapted to the limit rods, a torque spring is sleeved on the shaft, and both ends of the torque spring are adapted to the limit rods.

[0009] Preferably, a slide groove is provided on the back side of the flap, and a scraper is slidably provided on the slide groove.

[0010] Preferably, a driving handle is fixedly connected to the scraper, and one end of the driving handle is located in the sliding groove.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: a sliding groove is provided on the back of the flap, and a scraper is slidably provided on the sliding groove, and the scraper is fixedly connected to a driving handle. The driving handle can drive the scraper to scrape off the oil and dirt that has been in contact with the flap for a long time, thereby keeping the flap clean and improving the service life of the flap, reducing the gap between the flap and the valve body caused by excessive oil and dirt, which easily causes smoke leakage. A driving bar is provided between the flaps, and a limit bolt is provided in the back of the driving bar. The limit bolt can limit the connecting block so that the flap can be flipped, and a shaft rod is provided in the front of the driving bar. A torque spring is sleeved on the shaft rod, and an shaft block is provided on one side of the flap. The shaft block presses against the limit rod. After the flap is rotated, the torque spring is negatively pressurized, and the flap presses against the limit rod through the shaft block, so that the flap can be flipped with the limit rod as the axis, thereby expanding the flap. When the flap is not pressed, the rebound force of the torque spring enables the flap to be reset to a closed state.

[0012] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 This is a rear view of the overall structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the quick-disassembly structure of the utility model;

[0016] Figure 4 For the utility model Figure 2 A local enlarged schematic diagram of point A shown;

[0017] Figure 5 This is a schematic diagram of the scraper structure of the present utility model.

[0018] Markings in the figure: 1-mounting seat, 2-flip plate, 201-slide groove, 202-connecting block, 203-axis block, 3-driving bar, 301-storage slot, 302-limiting rod, 303-axis rod, 4-push block, 401-limiting bolt, 402-compression spring, 5-torque spring, 6-scraper, 601-driving handle. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0020] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly used by technicians in the technical field of the present invention. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0022] See also Figure 1-5 , a zero-leakage high-pressure air valve structure, including a mounting base 1, an adapter groove is opened in the center of the mounting base 1 for installing and fixing other components, a driving bar 3 is fixedly connected to the center of the adapter groove, and a flap 2 is rotatably provided on both sides of the driving bar 3, and the flap 2 can be flipped to control the opening and closing of the air valve, and one end of the flap 2 is fixedly connected to a connecting block 202, which is arranged on the back of the driving bar 3, and a receiving groove 301 is opened on the back of the driving bar 3, and a limiting bolt 401 is slidably provided in the receiving groove 301, and one end of the limiting bolt 401 is adapted to the connecting block 202. When the limiting bolt 401 moves forward, it can be stuck in the connecting block 202, thereby limiting the flipping of the flap 2 and keeping the air valve in the closed state.

[0023] See also Figure 3 The limit bolt 401 is located at one end of the receiving slot 301 and is fixedly connected to a push block 4 . The push block 4 is exposed outside the receiving slot 301 . The user can control the extension and retraction of the limit bolt 401 by pushing the push block 4 .

[0024] A compression spring 402 is provided between one end of the limiting bolt 401 and the inner wall of the receiving groove 301 . The compression spring 402 applies a certain elastic force to the limiting bolt 401 so that the limiting bolt 401 can automatically return to its initial position when no external force is applied.

[0025] See also Figure 4 One side of the flap 2 is fixedly connected with an axis block 203, the axis block 203 is arranged in the driving bar 3, and the front of the driving bar 3 is provided with an axis rod 303, the axis block 203 is adapted to the limit rod 302 to limit the rotation range of the flap 2.

[0026] The two sides of the shaft 303 are fixedly connected to the limit rod 302, the shaft block 203 is adapted to the limit rod 302, and a torque spring 5 is sleeved on the shaft 303. Both ends of the torque spring 5 are adapted to the limit rod 302. When the flap 2 is flipped by external force, the shaft block 203 will be driven to slide on the shaft 303 and compress the torque spring 5. Once the external force disappears, the torque spring 5 will release the stored elastic potential energy and push the flap 2 to return to the closed state.

[0027] See also Figure 5 A slide groove 201 is provided on the back of the flap 2 , and a scraper 6 is slidably provided on the slide groove 201 .

[0028] A driving handle 601 is fixedly connected to the scraper 6, and one end of the driving handle 601 is located in the slide groove 201. After the flap 2 has been used for a long time, impurities such as oil may adhere to its surface. At this time, the user can operate the driving handle 601 to drive the scraper 6 to slide along the slide groove 201 to scrape off the oil on the flap 2. This can keep the flap 2 clean, improve the sealing effect, and extend the service life of the air valve.

[0029] The specific operation process of this utility model is as follows: when in use, first, when the flap 2 is blown by oil smoke and air, the flap 2 is pressed against the limit rod 302 through the shaft block 203, so that the flap 2 is flipped with the limit rod 302 as the axis, thereby expanding the flap 2. When the flap 2 is not under pressure, the rebound force of the torque spring 5 enables the flap 2 to be reset to a closed state. When it is necessary to clean the oil stains on the flap 2, by pushing the driving handle 601, the driving handle 601 drives the scraper 6 to slide inward along the slide groove 201. As the scraper 6 moves, it will scrape off the oil stains that have been in contact with the flap 2 for a long time, so that the flap 2 remains clean and the service life of the flap 2 is increased.

[0030] The above description of the present invention is illustrative in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the scope of protection of the present invention.

Claims

1. A zero-leakage high-pressure air valve structure, characterized by: The invention comprises a mounting seat (1), wherein an adapting groove is provided at the center of the mounting seat (1), a driving bar (3) is fixedly connected to the center of the adapting groove, a flap (2) is rotatably provided on both sides of the driving bar (3), one end of the flap (2) is fixedly connected to a connecting block (202), the connecting block (202) is provided on the back side of the driving bar (3), a receiving groove (301) is provided on the back side of the driving bar (3), a limiting bolt (401) is slidably provided in the receiving groove (301), and one end of the limiting bolt (401) is adapted to the connecting block (202).

2. The zero-leakage high-pressure air valve structure according to claim 1, characterized in that: One end of the limiting bolt (401) located in the receiving groove (301) is fixedly connected to a push block (4), and the push block (4) is exposed outside the receiving groove (301).

3. The zero-leakage high-pressure air valve structure according to claim 2, characterized in that: A compression spring (402) is provided between one end of the limiting bolt (401) and the inner wall of the receiving groove (301).

4. The zero-leakage high-pressure air valve structure according to claim 1, characterized in that: A shaft block (203) is fixedly connected to one side of the flap (2), the shaft block (203) is arranged in the driving bar (3), and a shaft rod (303) is arranged in the front side of the driving bar (3).

5. The zero-leakage high-pressure air valve structure according to claim 4, characterized in that: The two sides of the shaft rod (303) are fixedly connected to the limiting rod (302), the shaft block (203) is adapted to the limiting rod (302), a torque spring (5) is sleeved on the shaft rod (303), and both ends of the torque spring (5) are adapted to the limiting rod (302).

6. The zero-leakage high-pressure air valve structure according to claim 1, characterized in that: A sliding groove (201) is provided on the back of the flap (2), and a scraper (6) is slidably provided on the sliding groove (201).

7. The zero-leakage high-pressure air valve structure according to claim 6, characterized in that: A driving handle (601) is fixedly connected to the scraper (6), and one end of the driving handle (601) is located in the sliding groove (201).

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