A pilot type double cavity master switch structure

Abstract

The present application relates to the technical field of water gun switch, and particularly discloses a pilot type double-cavity mother sheet switch structure, which comprises a water outlet chamber and a rear pilot chamber arranged in a water gun body, the water outlet chamber is provided with a water outlet, and the side wall is provided with a water inlet; the mother sheet assembly comprises a movable film and a fixed ring, the fixed ring is sealingly connected with the movable film, the front side of the movable film is provided with a water outlet plug, the movable film is provided with a first through hole, the fixed ring is provided with an extension part, the extension part is provided with a second through hole, the water inlet area of the second through hole is larger than that of the first through hole, and the area of the rear side of the movable film in contact with water is larger than that of the front side; the cover is fixedly connected with the mother sheet assembly, a pilot chamber is formed between the mother sheet assembly and the cover, the first through hole and the second through hole are in communication, one end of the rear pilot chamber is communicated with the second through hole, the other end is provided with a flow discharging hole, and the rear pilot chamber is provided with a switch assembly, the switch assembly is in contact with the water gun switch, and the switch of the high-pressure water path can be opened by using a very small force.

Description

Technical Field

[0001] This invention relates to the field of water gun switch technology, and in particular to a pilot-operated dual-chamber master chip switch structure. Background Technology

[0002] Traditional water circuit switches all use mechanical lever structures, which require a lot of force to start. If you need to manually operate the switch to operate it at high water pressure, the lever ratio of the mechanical switch needs to be larger to make it easier to operate. A larger lever ratio means a larger water circuit switch structure. Therefore, commonly used water gun switch structures can feel cumbersome and require a lot of effort.

[0003] Therefore, existing technologies still need improvement and development to enable the switching of high-pressure water circuits with minimal force. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings and deficiencies of existing technologies by providing a pilot-operated dual-chamber master chip switch structure that has a reasonable structure and can open a high-pressure water circuit with very little force.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0006] The present invention discloses a pilot-operated dual-chamber master plate switch structure, comprising a water gun body, a master plate assembly, a cover, and a water gun switch; the water gun body is provided with a water outlet chamber and a rear guide chamber, the water outlet chamber has a water outlet at the front end and a water inlet on the side wall; the master plate assembly is fixedly installed at the rear end of the water outlet chamber, the master plate assembly includes a movable membrane and a fixing ring, one side of the fixing ring is fixedly and sealed to the movable membrane, a water outlet plug is fixedly provided on the front side of the movable membrane, the water outlet plug corresponds to the water outlet, a first through hole is provided on the movable membrane near the water inlet, the fixing ring has an extension, and a second through hole is provided on the extension. The inlet area of ​​the through hole is larger than that of the first through hole, and the area of ​​the rear side of the movable membrane in contact with water is larger than that of its front side in contact with water. The cap is matched and fixedly connected to the mother plate assembly, and a pilot passage chamber is formed between the mother plate assembly and the cap. The movable membrane can move back and forth in the pilot passage chamber. The first through hole and the second through hole are connected. One end of the rear passage chamber is connected to the second through hole, and the other end is provided with a discharge hole. A switch assembly is provided in the rear passage chamber. The switch assembly is a push-button switch assembly used to control the water to enter the rear passage chamber from the second through hole and flow out from the discharge hole. The switch assembly is in contact with the water gun switch.

[0007] According to the above scheme, it also includes a first inner plug and a second inner plug arranged front and rear. The first inner plug has the discharge hole on one side, and the second inner plug has a third through hole. The third through hole corresponds to the second through hole, and the diameter of the third through hole is equal to or greater than that of the second through hole. The first inner plug and the second inner plug are detachably fixed and sealed, and the rear guide chamber is formed inside them.

[0008] According to the above scheme, the switch assembly includes a first spring, a sealing plug, a first long rod, and a water-stop ring. The outer edge of the water-stop ring is tightly connected to the inner wall of the rear guiding cavity. The water-stop ring divides the rear guiding cavity into front and rear parts. The third through hole is connected to the rear part of the rear guiding cavity, and the discharge hole is connected to the front part of the rear guiding cavity. The outer diameter of the sealing plug is larger than the inner diameter of the water-stop ring. The sealing plug and the first spring are both placed in the rear part of the rear guiding cavity. One end of the first spring abuts against the wall of the rear guiding cavity, and the other end abuts against the sealing plug. One end of the first long rod is fixedly connected to the sealing plug, and the other end passes through the water-stop ring and the front part of the rear guiding cavity in sequence and is in contact with the water gun switch. The water inlet area of ​​the water-stop ring is larger than the water inlet area of ​​the second through hole.

[0009] According to the above scheme, the interior of the second inner plug is provided with high and low ribs around the third through hole.

[0010] According to the above scheme, it also includes a baffle ring, and a limiting mechanism is provided in the water outlet chamber. The front side of the baffle ring abuts against the limiting mechanism, and the rear side abuts against the fixing ring.

[0011] According to the above scheme, a second long rod is fixed on the retaining ring. The diameter of the second long rod is smaller than the diameter of the first through hole, and the second long rod passes through the first through hole.

[0012] According to the above scheme, a second spring is provided between the cover and the movable membrane.

[0013] According to the above scheme, an anti-clogging groove is provided on the front side of the cover corresponding to the first through hole.

[0014] According to the above scheme, a locking mechanism is also included. The locking mechanism is a push-button locking mechanism, and a reset spring is provided between the water gun switch and the water gun body.

[0015] According to the above scheme, the water gun switch is provided with a latch that engages with the locking mechanism. The locking mechanism has two movable latches at the end opposite to the latch. The latches are connected to a third spring inside the locking mechanism, and the two latches cooperate to form a groove.

[0016] In this invention, after connecting a high-pressure water pipe, water enters the pilot chamber behind the movable membrane through the inlet and the first through hole. Once the pilot chamber is full of water, the pressure-bearing area on the rear side of the movable membrane is larger than that on its front side, causing the movable membrane to move forward. Simultaneously, the outlet plug moves to the outlet and blocks it, at which point the water gun is in the off state. Pressing the water gun switch opens the switch assembly in the rear pilot chamber. Since the water outlet area of ​​the second through hole is larger than that of the first through hole, the water in the pilot chamber quickly flows into the rear pilot chamber through the second through hole, achieving a pressure relief effect. The pressure on the rear side of the movable membrane decreases instantaneously, causing the movable membrane to move backward. The outlet plug follows the movable membrane backward, opening the outlet, thus turning the water gun on. This invention only requires a small amount of water entering the pilot chamber to open the water gun, requiring minimal force. Attached Figure Description

[0017] Figure 1 This is an exploded structural diagram of the present invention;

[0018] Figure 2 This is a structural schematic diagram of the water gun body;

[0019] Figure 3 This is a schematic diagram of the structure of the mother chip assembly;

[0020] Figure 4 This is a schematic diagram of the structure of the cap;

[0021] Figure 5 This is a schematic diagram of the structure of the first inner plug;

[0022] Figure 6 This is a schematic diagram of the structure of the second inner plug;

[0023] Figure 7 This is a schematic diagram showing the connection between the first long rod and the sealing plug;

[0024] Figure 8 This is a schematic diagram of the structure of the retaining ring;

[0025] Figure 9 This is a schematic diagram of the closing structure of the present invention;

[0026] Figure 10 This is a schematic diagram of the opening structure of the present invention.

[0027] In the diagram: 1. Water gun body; 2. Mother plate assembly; 3. Cover; 4. Water gun switch; 5. Switch assembly; 6. First inner plug; 7. Second inner plug; 8. Retaining ring; 9. Second spring; 11. Water outlet; 12. Water inlet; 21. Movable membrane; 22. Fixing ring; 23. Water outlet plug; 24. Extension; 25. First through hole; 26. Second through hole; 31. Anti-clogging groove; 41. Locking mechanism; 42. Return spring; 43. Locking pin; 51. First spring; 52. Sealing plug; 53. First long rod; 54. Water stop ring; 61. Discharge hole; 71. Third through hole; 72. High and low ribs; 81. Second long rod. Detailed Implementation

[0028] The technical solution of the present invention will be described below with reference to the accompanying drawings and embodiments.

[0029] like Figure 1-10As shown, the present invention discloses a pilot-operated dual-chamber master plate switch structure, which includes a water gun body 1, a master plate assembly 2, a cover 3, and a water gun switch 4; the water gun body 1 has a water outlet chamber and a rear guiding chamber, the water outlet chamber has a water outlet 11 at the front end and a water inlet 12 on the side wall; the master plate assembly 2 is fixedly installed at the rear end of the water outlet chamber, the master plate assembly 2 includes a movable membrane 21 and a fixing ring 22, specifically the fixing ring 22 is a circular ring structure, the movable membrane 21 is a conical thin film structure, and the movable membrane 21... 1 can be a rubber membrane. One side of the fixing ring 22 is fixed and sealed to the movable membrane 21. A water outlet plug 23 is fixedly provided on the front side of the movable membrane 21, corresponding to the water outlet 11. To ensure the water outlet plug 23 can accurately enter the water outlet 11, a guide structure is provided at the front end of the water outlet plug 23. A first through hole 25 is provided on the movable membrane 21 near the water inlet 12. The fixing ring 22 has an extension 24, which is integrally formed with the fixing ring 22. The extension 24 is provided with a second through hole 26, the water inlet area of ​​the second through hole 26 is larger than the water inlet area of ​​the first through hole 25, and the area of ​​the rear side of the movable membrane 21 in contact with water is larger than the area of ​​its front side in contact with water; the cap 3 is matched and fixedly connected to the mother sheet assembly 2, and a pilot passage chamber is formed between the mother sheet assembly 2 and the cap 3, and the movable membrane 21 can move back and forth in the pilot passage chamber. Specifically, the movable membrane 21 moves back and forth according to the change of pressure on its front and rear sides, and the first through hole 25 is connected to the second through hole 26. One end of the rear guiding chamber is connected to the second through hole 26, and the other end is provided with a discharge hole 61. The rear guiding chamber is provided with a switch assembly 5. The switch assembly 5 is a push-button switch assembly used to control the water to enter the rear guiding chamber from the second through hole 26 and flow out from the discharge hole 61. The switch assembly 5 is in contact with the water gun switch 4. With this setting, only a small force is needed to control the switch assembly in the guiding chamber to realize the discharge of water in the guiding chamber and complete the opening of the entire water gun.

[0030] The device includes a first inner plug 6 and a second inner plug 7 arranged front and rear. The first inner plug 6 has a discharge hole 61 on one side, and the second inner plug 7 has a third through hole 71. The third through hole 71 corresponds to the second through hole 26, and the diameter of the third through hole 71 is equal to or greater than that of the second through hole 26. The first inner plug 6 and the second inner plug 7 are detachably fixed and sealed together, and the rear guiding chamber is formed inside them. With this configuration, the rear guiding chamber can be assembled quickly.

[0031] The switch assembly 5 includes a first spring 51, a sealing plug 52, a first long rod 53, and a water-stop ring 54. The outer edge of the water-stop ring 54 is tightly connected to the inner wall of the rear conduction chamber. The water-stop ring 54 divides the rear conduction chamber into front and rear parts. The third through hole 71 communicates with the rear part of the rear conduction chamber, and the discharge hole 61 communicates with the front part of the rear conduction chamber. Specifically, the discharge hole 61 can communicate with the outlet 11 to guide water to flow out of the outlet 11. The outer diameter of the sealing plug 52 is larger than the inner diameter of the water-stop ring 54. The sealing plug 52 and the first spring 51 are both located in the rear part of the rear conduction chamber. One end of the first spring 51 abuts against the wall of the rear conduction chamber, and the other end abuts against the sealing plug 52. One end of the first long rod 53 is fixedly connected to the sealing plug 52, and the other end passes through the water-stop ring 54 and the front part of the rear conduction chamber in sequence before connecting with the sealing plug 52. The water gun switch 4 is contactable. Specifically, the sealing plug 52 is made of plastic and is wrapped around one end of the first long rod 53. The front part of the sealing plug is a conical structure and the rear part is a cylindrical structure with a diameter smaller than the bottom diameter of the conical structure. The front end of the first spring 51 is sleeved on the cylindrical structure and abuts against the conical structure, while the other end abuts against the inner wall of the rear end of the second inner plug 7. The water inlet area of ​​the water stop ring 54 is larger than the water inlet area of ​​the second through hole 26. With this configuration, when the water gun is closed, the sealing plug 52 is inserted into the water stop ring 54 under the action of the first spring 51 and is tightly connected to the inner ring of the water stop ring 54. When the water gun is turned on, the first long rod 53 moves backward, causing the sealing plug 52 to disengage from the water stop ring 54. The water in the front guide chamber flows through the second through hole, the third through hole, the water stop ring, and the discharge hole before reaching the outlet 11.

[0032] The second inner plug 7 has high and low ribs 72 around the third through hole 71. This arrangement can prevent the rear end of the sealing plug 52 from blocking the third through hole 71 when the first long rod 53 is pressed, thus preventing the unloading process from being completed.

[0033] It also includes a retaining ring 8. The water outlet chamber is provided with a limiting mechanism. The front side of the retaining ring 8 abuts against the limiting mechanism, and the rear side abuts against the fixing ring 22. This arrangement can reduce the impact on the movable membrane 21 when it is closed.

[0034] A second long rod 81 is fixed on the retaining ring 8. The diameter of the second long rod 81 is smaller than the diameter of the first through hole 25. The second long rod 81 passes through the first through hole 25. The second long rod 81 can prevent the first through hole 25 from being blocked. When the movable membrane 21 moves back and forth, the first through hole 25 can move back and forth on the second long rod, which can remove scale and other dirt from the first through hole 25.

[0035] A second spring 9 is provided between the cover 3 and the movable membrane 21. The second spring 9 has a reset function. When the water gun is turned off, the second spring 9 assists the movable membrane 21 to move forward, so that the outlet plug 23 blocks the outlet 11.

[0036] The front side of the cover 3 is provided with an anti-clogging groove 31 corresponding to the first through hole 25. This design can prevent the movable membrane 21 from moving backward during the unloading process and sticking to the cover 3, which would block the first through hole 25 and prevent complete unloading.

[0037] It also includes a locking mechanism 41, which is a push-type locking mechanism. A return spring 42 is provided between the water gun switch 4 and the water gun body 1. With this setting, the water gun switch 4 can be locked after being turned on, and can be unlocked by pressing it again, causing the water gun switch 4 to pop up.

[0038] The water gun switch 4 is provided with a latch 43 that engages with the locking mechanism. The locking mechanism has two movable latches at the end opposite to the latch 43. The latches are connected to a third spring inside the locking mechanism, and the two latches cooperate to form a groove.

[0039] like Figure 9-10 As shown in the figure, the arrows indicate the direction of water flow. When using this invention, after connecting the high-pressure water pipe, water enters the pilot chamber behind the movable membrane 21 through the first through hole 25 from the inlet 12. Once the pilot chamber is filled with water, the pressure-bearing area on the rear side of the movable membrane 21 is larger than that on its front side, causing the movable membrane 21 to move forward. Simultaneously, the outlet plug 23 moves to the outlet 11 and blocks it, at which point the water gun is in the off state. Pressing the water gun switch 4 opens the pilot chamber. The water-stop ring 54 and sealing plug 52 inside are in the open state. The water outlet area of ​​the second through hole 26 is larger than that of the first through hole 25. After the water-stop ring 54 and sealing plug 52 in the rear guide chamber are opened, the water in the pilot guide chamber quickly flows into the rear guide chamber from the second through hole 26, achieving a pressure relief effect. The pressure on the rear side of the movable membrane 21 decreases instantaneously, and the movable membrane moves backward. The outlet plug 23 moves backward with the movable membrane 21, and the outlet 11 is in the open state, that is, the water gun is in the on state. This invention only requires a small amount of water entering the pilot guide chamber to complete the water gun opening operation, and the force used is extremely small.

[0040] The above description is only a preferred embodiment of the present invention. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of this patent application are included in the scope of this patent application.

Claims

1. A pilot dual-lumen slug switch structure, characterized by, The device includes a water gun body (1), a mother plate assembly (2), a cover (3), and a water gun switch (4). The water gun body (1) has a water outlet chamber and a rear guide chamber. The water outlet chamber has a water outlet (11) at the front end and a water inlet (12) on the side wall. The mother plate assembly (2) is fixedly installed at the rear end of the water outlet chamber. The mother plate assembly (2) includes a movable membrane (21) and a fixing ring (22). One side of the fixing ring (22) is fixed and sealed to the movable membrane (21). A water outlet plug (23) is fixed on the front side of the movable membrane (21). The water outlet plug (23) corresponds to the water outlet (11). A first through hole (25) is provided on the movable membrane (21) near the water inlet (12). The fixing ring (22) has an extension (24). A second through hole (26) is provided on the extension (24). The water inlet area of ​​the second through hole (26) is larger than that of the first through hole (25). The area of ​​the rear side of the movable membrane (21) in contact with water is larger than that of its front side in contact with water. The cover (3) is matched and fixedly connected with the mother plate assembly (2). A pilot passage chamber is formed between the mother plate assembly (2) and the cover (3). The movable membrane (21) can move back and forth in the pilot passage chamber. The first through hole (25) is connected to the second through hole (26). One end of the rear passage chamber is connected to the second through hole (26), and the other end is provided with a discharge hole (61). A switch assembly (5) is provided in the rear passage chamber. The switch assembly (5) is a push-button switch assembly used to control the water to enter the rear passage chamber from the second through hole (26) and flow out from the discharge hole (61). The switch assembly (5) is in contact with the water gun switch (4).

2. The pilot-operated dual-cavity master chip switch structure according to claim 1, characterized in that, It includes a first inner plug (6) and a second inner plug (7) arranged front and rear. The first inner plug (6) has the discharge hole (61) on one side, and the second inner plug (7) has a third through hole (71). The third through hole (71) corresponds to the second through hole (26). The diameter of the third through hole (71) is equal to or greater than that of the second through hole (26). The first inner plug (6) and the second inner plug (7) are detachably fixed and sealed, and the rear guiding chamber is formed inside.

3. The pilot-operated dual-cavity master chip switch structure according to claim 2, characterized in that, The switch assembly (5) includes a first spring (51), a sealing plug (52), a first long rod (53), and a water-stop ring (54). The outer edge of the water-stop ring (54) is tightly connected to the inner wall of the rear conducting chamber. The water-stop ring (54) divides the rear conducting chamber into front and rear parts. The third through hole (71) communicates with the rear part of the rear conducting chamber, and the discharge hole (61) communicates with the front part of the rear conducting chamber. The outer diameter of the sealing plug (52) is larger than the inner diameter of the water-stop ring (54). (52) and the first spring (51) are both placed at the rear of the rear guiding chamber. One end of the first spring (51) abuts against the wall of the rear guiding chamber, and the other end abuts against the sealing plug (52). One end of the first long rod (53) is fixedly connected to the sealing plug (52), and the other end passes through the water stop ring (54) and the front of the rear guiding chamber in sequence and is in contact with the water gun switch (4). The water inlet area of ​​the water stop ring (54) is larger than the water inlet area of ​​the second through hole (26).

4. The pilot-operated dual-cavity master chip switch structure according to claim 2, characterized in that, The second inner plug (7) has high and low ribs (72) around the third through hole (71).

5. The pilot-operated dual-cavity master chip switch structure according to claim 1, characterized in that, It also includes a retaining ring (8), and a limiting mechanism is provided in the water outlet chamber. The front side of the retaining ring (8) abuts against the limiting mechanism, and the rear side abuts against the fixing ring (22).

6. The pilot-operated dual-cavity master chip switch structure according to claim 5, characterized in that, A second long rod (81) is fixed on the retaining ring (8). The diameter of the second long rod (81) is smaller than the diameter of the first through hole (25). The second long rod (81) passes through the first through hole (25).

7. The pilot-operated dual-cavity master chip switch structure according to claim 1, characterized in that, A second spring (9) is provided between the cover (3) and the movable membrane (21).

8. The pilot-operated dual-cavity master chip switch structure according to claim 1, characterized in that, The front side of the cover (3) is provided with an anti-clogging groove (31) corresponding to the first through hole (25).

9. The pilot-operated dual-cavity master chip switch structure according to claim 1, characterized in that, It also includes a locking mechanism (41), which is a push-to-lock mechanism, and a reset spring (42) is provided between the water gun switch (4) and the water gun body (1).

10. The pilot-operated dual-cavity master chip switch structure according to claim 9, characterized in that, The water gun switch (4) is provided with a latch (43) that engages with the locking mechanism. The locking mechanism is provided with two movable latches at the end opposite to the latch (43). The latches are connected to the third spring inside the locking mechanism, and the two latches cooperate to form a slot.

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