Beer valve

Abstract

The utility model provides a beer valve, and belongs to the technical field of valve manufacturing. The problem that an existing beer valve is inconvenient to use is solved. The beer valve comprises a main body, a mounting seat and a fixing rod, a cavity is formed in the main body, a valve element is arranged in the cavity, the main body is provided with a liquid inlet end, a liquid outlet end, an air inlet end and an air outlet end which are communicated with the cavity, the air outlet end is provided with an exhaust valve for controlling the air outlet end to be opened and closed, and hollow valve seats are arranged at the inner ends of the liquid inlet end, the liquid outlet end, the air inlet end and the air outlet end of the main body. The outer wall of the valve element is a spherical surface protruding out and abutting against the valve seats, a blind hole communicated with the through hole is formed in the bottom face of the valve element, an air inlet hole and an exhaust hole which are communicated with the blind hole are formed in the outer wall of the valve element, a liquid inlet hole and a liquid outlet hole which are both communicated with the cavity are formed in the outer wall of the valve element, and a filling hole used for being communicated with the filling channel is further formed in the outer wall of the valve element. The utility model has the advantages of convenient manufacture, convenient use and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of valve manufacturing, and particularly relates to a beer valve. Background Art

[0002] The beer valve is used for isobaric filling and dispensing of beer. For example, Chinese patent literature discloses a new type of filling faucet [application number: 202122124894.3; authorization announcement number: CN215756348U], which includes a faucet body, a control valve 1 and a control valve 2. The faucet body is provided with a liquid inlet channel 1, a liquid inlet channel 2, an air inlet channel, an exhaust channel and a liquid outlet channel. The faucet body is provided with a cavity. The liquid inlet channel 1 can be connected to the cavity, the liquid inlet channel 2 can be connected to the cavity, the air inlet channel can be connected to the cavity, the liquid outlet channel is connected to the cavity, and the liquid outlet channel is connected to the exhaust channel. The faucet body is provided with a switch assembly. The control valve 1 can control the on-off between the liquid inlet channel 1 and the cavity, the on-off between the liquid inlet channel 2 and the cavity, and the channel between the air inlet channel and the cavity through the switch assembly. The control valve 2 can control the on-off between the exhaust channel and the outside world.

[0003] The above-mentioned new filling faucet can be filled with different types of beer through liquid inlet channel one and liquid inlet channel two, but the valve core of control valve one has an eccentric protrusion, which is inconvenient to manufacture, and the sealing effect at the valve core is not ideal. Moreover, a movable core that cooperates with the eccentric protrusion needs to be provided inside the faucet body, and the structure is complicated. In addition, the layout of each channel is not reasonable, and multiple drilling processes are required on the inside and outside of the body, which requires the faucet body to be large and inconvenient to manufacture. Summary of the invention

[0004] The purpose of the utility model is to provide a beer valve which has a compact structure, is easy to manufacture and is easy to use in view of the above problems existing in the prior art.

[0005] The purpose of the utility model can be achieved through the following technical solutions: a beer valve, comprising a main body, a mounting seat and a fixed rod, the fixed rod axially penetrates the mounting seat and a filling channel is provided between the fixed rod and the mounting seat, the fixed rod has an axially penetrating through hole, a chamber is provided in the main body, a valve core is provided in the chamber, the main body has a liquid inlet end, a liquid outlet end, an air inlet end and an exhaust end connected to the chamber, the liquid outlet end is used to connect the liquid outlet faucet, and the exhaust end is provided with an exhaust valve for controlling its on and off, characterized in that the valve core has a ball rod portion extending out of the main body and connected to a handle, and the main body is provided with a valve core at the inner end portions of the liquid inlet end, the liquid outlet end, the air inlet end and the exhaust end. A hollow valve seat is provided, the outer wall of the valve core is a spherical surface that protrudes and contacts each valve seat, a blind hole connected to the through hole is provided on the bottom surface of the valve core, an air inlet and an air outlet connected to the blind hole are provided on the outer wall of the valve core, a liquid inlet and a liquid outlet both connected to the chamber are provided on the outer wall of the valve core, a filling hole for connecting to the filling channel is also provided on the outer wall of the valve core, when the air inlet is connected to the air inlet end, the air outlet, the liquid inlet and the liquid outlet are all in a disconnected state, when the liquid inlet is connected to the liquid inlet end and the liquid outlet is connected to the liquid outlet end, the air inlet, the air outlet and the filling hole are all in a disconnected state, when the filling hole is connected to the liquid inlet end, the air outlet is connected to the exhaust end and the air inlet, the liquid inlet and the liquid outlet are all in a disconnected state.

[0006] In the above-mentioned beer valve, the liquid inlet end, the air inlet end, the liquid outlet end and the air exhaust end are uniformly distributed on the main body in a counterclockwise direction, the angle between the air inlet hole and the air outlet hole is 90°, the filling hole is arranged on the opposite side of the air inlet hole, the liquid outlet hole is arranged in the middle of the angle between the air inlet hole and the air outlet hole, and the liquid inlet hole is arranged symmetrically to the liquid outlet hole.

[0007] In the above-mentioned beer valve, the bottom of the main body is threadedly connected with a main pressure cap, and the fixing rod and the main pressure cap are threadedly connected.

[0008] In the above-mentioned beer valve, the filling channel includes a plurality of axially penetrating filling through holes 1 of the main pressure cap, the top of the main pressure cap is provided with an annular groove which is connected to each filling through hole 1 and is in an annular shape, the filling channel also includes an annular groove 1 which is connected to each filling through hole 1 and is in an annular shape and is provided on the top surface of the mounting seat, the mounting seat has a plurality of filling through holes 2 which are connected to the annular groove 1, a filling gap is provided between the inner wall of the mounting seat and the fixed rod, a radially recessed annular groove 2 which is in an annular shape is provided in the middle of the inner wall of the mounting seat, and each filling through hole 2 and the filling gap are connected to the annular groove 2.

[0009] In the above-mentioned beer valve, a sealing ring 1 is provided between the top surface of the valve core and the main body to enclose the chamber on the inner side, a sealing ring 2 is provided between the bottom surface of the valve core and the top surface of the main pressure cap and located on the inner side of the annular groove, a sealing ring 3 is provided between the bottom surface of the main pressure cap and the top surface of the mounting seat to enclose the annular groove 1 on the inner side, and a sealing ring 4 is provided between the ball rod part and the main body.

[0010] In the above-mentioned beer valve, the liquid inlet end is threadedly connected with a hollow side pressure cap 1, the liquid outlet end is threadedly connected with a hollow side pressure cap 2, the air inlet end is threadedly connected with a locking cap 1 with an air inlet passage, and the exhaust end is threadedly connected with a locking cap 2 with an exhaust passage, and the inner ends of the side pressure cap 1, the side pressure cap 2, the locking cap 1 and the locking cap 2 are respectively in contact with the corresponding valve seats.

[0011] In the above-mentioned beer valve, the locking cap 1 is radially penetrated with an intake radial hole connected to the intake duct, the locking cap is provided with an intake pipe, two sealing rings 5 ​​are provided between the intake pipe and the locking cap 1 and are located on both sides of the intake radial hole, the intake pipe has an intake joint connected to the intake radial hole, the locking cap 2 is radially penetrated with an exhaust radial hole connected to the exhaust duct, the locking cap 2 is provided with an exhaust pipe, two sealing rings 6 are provided between the exhaust pipe and the locking cap 2 and are located on both sides of the exhaust radial hole, and the exhaust pipe has an exhaust joint connected to the exhaust radial hole.

[0012] In the above-mentioned beer valve, a sealing ring 7 is provided between the locking cap 1 and the main body, and a sealing ring 8 is provided between the locking cap 2 and the main body.

[0013] In the above-mentioned beer valve, the exhaust valve includes a valve stem coaxially arranged with the exhaust passage and threadedly connected to the locking cap, the inner end of the valve stem is provided with a sealing gasket for blocking the exhaust passage, and the outer end of the valve stem is fixedly connected with a hand wheel.

[0014] Compared with the prior art, the beer valve eliminates the previous switch assembly and the eccentric protrusion at the valve core, and integrates the air inlet, exhaust hole, liquid inlet, liquid outlet and filling hole on the valve core. It is easy to drill and process, has good integration and compact structure. The valve seat and the spherical outer wall of the valve core match, have good sealing, are easy to use and have a long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a horizontal structural cross-sectional view of the beer valve.

[0016] Figure 2 It is a longitudinal structural sectional view of the beer valve.

[0017] Figure 3 It is a three-dimensional structural diagram of the valve core in the beer valve.

[0018] Figure 4 It is a schematic cross-sectional view of the structure when the liquid inlet hole in the beer valve is connected to the liquid inlet end and the liquid outlet hole is connected to the liquid outlet end.

[0019] Figure 5 The valve core in this beer valve is Figure 4 Structural cutaway diagram in .

[0020] Figure 6 It is a schematic cross-sectional view of the structure when the air inlet hole in the beer valve is connected to the air inlet end.

[0021] Figure 7 The valve core in this beer valve is Figure 6 Structural cutaway diagram.

[0022] Figure 8 It is a schematic cross-sectional view of the structure when the filling hole in the beer valve is connected to the liquid inlet end.

[0023] Fig. 9 The valve core in this beer valve is Figure 8 Structural cutaway diagram.

[0024] In the figure, 1, main body; 2, mounting seat; 3, fixing rod; 4, filling channel; 5, through hole; 6, chamber; 7, valve core; 8, liquid inlet end; 9, liquid outlet end; 10, air inlet end; 11, exhaust end; 12, liquid outlet tap; 13, exhaust valve; 131, valve stem; 132, sealing gasket; 133, hand wheel; 14, ball rod; 15, valve seat; 16, spherical surface; 17, blind hole; 18, air inlet hole; 19, exhaust hole; 20, liquid inlet hole; 21, liquid outlet hole; 22, filling hole; 23, main pressure cap; 24, filling through hole 1; 25, annular groove; 26, ring shaped groove one; 27, filling through hole two; 28, filling gap; 29, annular groove two; 30, sealing ring one; 31, sealing ring two; 32, sealing ring three; 33, sealing ring four; 34, side pressure cap one; 35, side pressure cap two; 36, locking cap one; 361, air inlet; 362, air inlet radial hole; 37, locking cap two; 371, exhaust duct; 372, exhaust radial hole; 38, air inlet pipe; 381, air inlet joint; 39, sealing ring five; 40, exhaust pipe; 401, exhaust joint; 41, sealing ring six; 42, sealing ring seven; 43, sealing ring eight. DETAILED DESCRIPTION

[0025] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0026] like Figure 1 , Figure 2 and Figure 3As shown, the beer valve comprises a main body 1, a mounting seat 2 and a fixing rod 3, the fixing rod 3 is axially inserted into the mounting seat 2 and a filling channel 4 is provided between the fixing rod 3 and the mounting seat 2, the fixing rod 3 has an axially extending through hole 5, a chamber 6 is provided in the main body 1, a valve core 7 is provided in the chamber 6, the main body 1 has a liquid inlet end 8, a liquid outlet end 9, an air inlet end 10 and an exhaust end 11 which are connected to the chamber 6, the liquid outlet end 9 is used to connect to a liquid outlet tap 12, the exhaust end 11 is provided with an exhaust valve 13 for controlling the on-off thereof, the valve core 7 has a ball rod portion 14 extending out of the main body 1 and connected to a handle, the main body 1 is provided with a hollow valve seat 15 at the inner end portions of the liquid inlet end 8, the liquid outlet end 9, the air inlet end 10 and the exhaust end 11, the outer wall of the valve core 7 is a spherical surface 16 which protrudes and abuts against each valve seat 15, and the valve core 7 A blind hole 17 connected to the through hole 5 is provided on the bottom surface of the valve core 7, an air inlet hole 18 and an air outlet hole 19 connected to the blind hole 17 are provided on the outer wall of the valve core 7, a liquid inlet hole 20 and a liquid outlet hole 21 both connected to the chamber 6 are provided on the outer wall of the valve core 7, and a filling hole 22 for connecting to the filling channel 4 is also provided on the outer wall of the valve core 7. When the air inlet hole 18 is connected to the air inlet end 10, the air outlet hole 19, the liquid inlet hole 20, the liquid outlet hole 21 and the filling hole 22 are all in a disconnected state. When the liquid inlet hole 20 is connected to the liquid inlet end 8 and the liquid outlet hole 21 is connected to the liquid outlet end 9, the air inlet hole 18, the air outlet hole 19 and the filling hole 22 are all in a disconnected state. When the filling hole 22 is connected to the liquid inlet end 8, the air outlet hole 19 is connected to the exhaust end 11 and the air inlet hole 18, the liquid inlet hole 20 and the liquid outlet hole 21 are all in a disconnected state.

[0027] When in use, when the liquid inlet hole 20 is connected to the liquid inlet end 8 and the liquid outlet hole 21 is connected to the liquid outlet end 9, the air inlet hole 18, the air outlet hole 19 and the filling hole 22 are all in a disconnected state, and the liquid outlet tap 12 is opened, and the beer passes through the liquid inlet end 8, the liquid inlet hole 20, the chamber 6, the liquid outlet hole 21, and the liquid outlet end 9, and is directly discharged from the liquid outlet tap 12, which is convenient for discharging beer; when filling is required, the valve core 7 is driven to rotate by the handle, so that the air inlet hole 18 is connected to the air inlet end 10, and gas enters from the air inlet end 10 The beer enters the filling barrel through the air inlet hole 18, the blind hole 17 and the through hole 5 of the fixing rod 3. After the air intake is completed, the valve core 7 is rotated again by the handle to make the filling hole 22 connected to the liquid inlet end 8. The beer enters the filling hole 22 from the liquid inlet end 8 and then passes through the filling channel 4 to be filled into the filling barrel. During the filling process, the exhaust volume of the exhaust end 11 is adjusted by adjusting the opening size of the exhaust valve 13, and the exhaust and filling flow rates are adjusted until the filling is completed. It is convenient to use.

[0028] To elaborate further, Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9As shown, in this embodiment, the liquid inlet end 8, the air inlet end 10, the liquid outlet end 9 and the air outlet end 11 are uniformly distributed on the main body 1 in the counterclockwise direction, the angle between the air inlet hole 18 and the air outlet hole is 90°, the filling hole 22 is arranged on the opposite side of the air inlet hole 18, the liquid outlet hole 21 is arranged in the middle of the angle between the air inlet hole 18 and the air outlet hole, and the liquid inlet hole 20 is arranged symmetrically to the liquid outlet hole 21. This has a reasonable layout, a compact and beautiful structure, no interference in processing, and is convenient for processing.

[0029] During use, when the liquid inlet 20 is connected to the liquid inlet end 8 and the liquid outlet 21 is connected to the liquid outlet end 9, the air inlet 18, the air outlet 19 and the filling hole 22 are all in a disconnected state facing the inner wall of the main body 1, and the beer passes through the liquid inlet end 8, the liquid inlet 20, the chamber 6, the liquid outlet 21, the liquid outlet end 9, and is directly discharged from the liquid outlet tap 12, which is convenient for discharging beer; when the air inlet 18 is connected to the air inlet end 10, the air outlet 19 is connected to the liquid outlet end 9, the liquid outlet tap 12 is in a closed state, and the liquid inlet 20, the liquid outlet 21 and the filling hole 22 are all in a disconnected state facing the inner wall of the main body 1, and the gas enters from the air inlet end 10. Air is introduced into the filling barrel through the air inlet 18, the blind hole 17, and the through hole 5 of the fixing rod 3; when the filling hole 22 is connected to the liquid inlet end 8, the exhaust hole 19 is connected to the exhaust end 11, the air inlet 18 is connected to the liquid outlet end 9, the liquid outlet tap 12 is in a closed state, and the liquid inlet 20 and the liquid outlet 21 are both in a disconnected state facing the inner wall of the main body 1, and the beer enters the filling hole 22 from the liquid inlet end 8, and then passes through the filling channel 4 to be filled into the filling barrel. During the filling process, the exhaust volume of the exhaust end 11 is adjusted by adjusting the opening size of the exhaust valve 13, thereby adjusting the exhaust and filling flow rates until the filling is completed.

[0030] The bottom of the main body 1 is threadedly connected with a main pressure cap 23, and the fixing rod 3 is threadedly connected to the main pressure cap 23. This is convenient for manufacturing, and the main body 1, the main pressure cap 23 and the fixing rod 3 are convenient to connect.

[0031] The filling channel 4 includes two axially penetrating filling through holes 24 of the main pressure cap 23, and the top of the main pressure cap 23 is provided with an annular groove 25 which is connected to each filling through hole 24 and is annular. The filling channel 4 also includes an annular groove 26 which is connected to each filling through hole 24 and is annular on the top surface of the mounting seat 2. The mounting seat 2 has four filling through holes 27 which are connected to the annular groove 26. A filling gap 28 is provided between the inner wall of the mounting seat 2 and the fixing rod 3. A radially recessed and annular annular groove 29 is provided in the middle of the inner wall of the mounting seat 2. Each filling through hole 27 and the filling gap 28 are connected to the annular groove 29. During filling, the beer at the liquid inlet end 8 enters the filling hole 22, and then passes through the annular groove 25, the filling through hole 1 24, the filling through hole 27, the annular groove 29, and the filling gap 28 in sequence for filling. The annular groove 25, the annular groove 1 26 and the annular groove 29 ensure the liquid inlet amount, and the annular groove 1 26 and the annular groove 29 also facilitate the tilting processing of the filling through hole 2 27.

[0032] A sealing ring 30 is provided between the top surface of the valve core 7 and the main body 1 to surround the chamber 6. The sealing ring 30 is embedded in the top surface of the valve core 7. A sealing ring 31 is provided between the bottom surface of the valve core 7 and the top surface of the main pressure cap 23 to surround the annular groove 25. The sealing ring 31 is embedded in the top surface of the main pressure cap 23. A sealing ring 32 is provided between the bottom surface of the main pressure cap 23 and the top surface of the mounting seat 2 to surround the annular groove 26. The sealing ring 32 is embedded in the top surface of the mounting seat 2. A sealing ring 4 33 is provided between the ball rod 14 and the main body 1. The number of the sealing ring 4 33 is two and is embedded in the outer wall of the ball rod 14. In this way, the sealing performance is good everywhere, there is no leakage, the working stability is good, and the service life is long.

[0033] The liquid inlet end 8 is threadedly connected with a hollow side pressure cap 1 34, the liquid outlet end 9 is threadedly connected with a hollow side pressure cap 2 35, the air inlet end 10 is threadedly connected with a locking cap 1 36 having an air inlet passage 361, and the exhaust end 11 is threadedly connected with a locking cap 2 37 having an exhaust passage 371. The inner ends of the side pressure cap 1 34, the side pressure cap 2 35, the locking cap 1 36 and the locking cap 2 37 are all in contact with the corresponding valve seat 15. In this way, the valve seat 15 is positioned, and the connection is convenient and stable.

[0034] The locking cap 36 has an intake radial hole 362 radially extending therethrough and connected to the intake passage 361. The locking cap 36 is sleeved with an intake pipe 38. Two sealing rings 39 are provided between the intake pipe 38 and the locking cap 36 and are located on both sides of the intake radial hole 362. The intake pipe 38 has an intake connector 381 connected to the intake radial hole 362. The locking cap 37 has an exhaust radial hole 372 radially extending therethrough and connected to the exhaust passage 371. The locking cap 37 has an exhaust pipe 40 sleeved therethrough. Two sealing rings 41 are provided between the exhaust pipe 40 and the locking cap 37 and are located on both sides of the exhaust radial hole 372. The exhaust pipe 40 has an exhaust connector 401 connected to the exhaust radial hole 372. In this way, the air intake connector 381 can rotate 360° with the axis of the air intake pipe 38 as the axis, and the exhaust connector 401 can also rotate 360° with the axis of the exhaust pipe 40 as the axis, which is convenient for connection of the air intake and exhaust pipes 40 and easy to operate. The sealing ring 5 39 and the sealing ring 6 41 ensure the sealing.

[0035] A sealing ring 7 42 is provided between the locking cap 1 36 and the main body 1, and the sealing ring 7 42 is embedded in the outer wall of the locking cap 1 36. A sealing ring 8 43 is provided between the locking cap 2 37 and the main body 1, and the sealing ring 8 43 is embedded in the outer wall of the locking cap 2 37. In this way, the sealing between the locking cap 1 36, the locking cap 2 37 and the main body 1 is good and will not leak.

[0036] The exhaust valve 13 includes a valve stem 131 which is coaxially arranged with the exhaust passage 371 and threadedly connected with the locking cap 37. The inner end of the valve stem 131 is provided with a sealing gasket 132 for blocking the exhaust passage 371, and the outer end of the valve stem 131 is fixedly connected with a hand wheel 133. The valve stem 131 is driven to rotate by the hand wheel 133, and the opening between the sealing gasket 132 and the exhaust end 11 is adjusted to adjust the exhaust volume; in this embodiment, the sealing gasket 132 is embedded in the inner end surface of the valve stem 131, and the locking cap 37 is threadedly connected with a nut, and an O-ring is arranged between the nut and the locking cap 37. The valve stem 131 passes through the nut and is embedded with two O-rings sealed in the nut. The nut limits the valve stem 131 to prevent the valve stem 131 from being separated from the locking cap 37. Each O-ring ensures sealing and prevents gas leakage.

[0037] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A beer valve, comprising a main body (1), a mounting seat (2) and a fixing rod (3), wherein the fixing rod (3) is axially inserted into the mounting seat (2) and a filling passage (4) is provided between the fixing rod (3) and the mounting seat (2), the fixing rod (3) has an axially extending through hole (5), the main body (1) is provided with a chamber (6), the chamber (6) is provided with a valve core (7), the main body (1) has a liquid inlet end (8), a liquid outlet end (9), an air inlet end (10) and an air outlet end (11) which are connected to the chamber (6), the liquid outlet end (9) is used to connect to a liquid outlet tap (12), and the air outlet end (11) is provided with an air outlet valve (13) for controlling the on-off thereof, characterized in that: The valve core (7) has a ball shaft portion (14) extending out of the main body (1) and connected to a handle. The main body (1) is provided with hollow valve seats (15) at the inner ends of the liquid inlet end (8), the liquid outlet end (9), the air inlet end (10) and the air outlet end (11). The outer wall of the valve core (7) is a spherical surface (16) protruding and contacting each valve seat (15). The bottom surface of the valve core (7) is provided with a blind hole (17) connected to the through hole (5). The outer wall of the valve core (7) is provided with an air inlet hole (18) and an air outlet hole (19) connected to the blind hole (17). The outer wall of the valve core (7) is provided with a liquid inlet hole (20) and a liquid outlet hole (21) both connected to the chamber (6). ), a filling hole (22) for connecting to the filling passage (4) is further provided on the outer wall of the valve core (7); when the air inlet hole (18) is connected to the air inlet end (10), the air outlet hole (19), the liquid inlet hole (20), the liquid outlet hole (21) and the filling hole (22) are all in a disconnected state; when the liquid inlet hole (20) is connected to the liquid inlet end (8) and the liquid outlet hole (21) is connected to the liquid outlet end (9), the air inlet hole (18), the air outlet hole (19) and the filling hole (22) are all in a disconnected state; when the filling hole (22) is connected to the liquid inlet end (8), the air outlet hole (19) is connected to the air outlet end (11) and the air inlet hole (18), the liquid inlet hole (20) and the liquid outlet hole (21) are all in a disconnected state.

2. A beer valve according to claim 1, characterized in that: The liquid inlet end (8), the air inlet end (10), the liquid outlet end (9) and the air outlet end (11) are uniformly distributed on the main body (1) in a counterclockwise direction. The angle between the air inlet hole (18) and the air outlet hole is 90 degrees. The filling hole (22) is arranged on the opposite side of the air inlet hole (18). The liquid outlet hole (21) is arranged in the middle of the angle between the air inlet hole (18) and the air outlet hole. The liquid inlet hole (20) is arranged symmetrically with respect to the liquid outlet hole (21).

3. A beer valve according to claim 1 or 2, characterized in that: The bottom of the main body (1) is threadedly connected to a main pressure cap (23), and the fixing rod (3) and the main pressure cap (23) are threadedly connected.

4. A beer valve according to claim 3, characterized in that: The filling channel (4) comprises a plurality of axially penetrating filling through holes (24) provided on the main pressure cap (23), a ring-shaped annular groove (25) which is connected to each of the filling through holes (24) and is formed on the top of the main pressure cap (23), the filling channel (4) further comprises a ring-shaped annular groove (26) which is connected to each of the filling through holes (24) and is formed on the top surface of the mounting seat (2), the mounting seat (2) comprises a plurality of filling through holes (27) which are connected to the ring-shaped annular groove (26), a filling gap (28) is provided between the inner wall of the mounting seat (2) and the fixing rod (3), a radially recessed annular groove (29) which is formed at the middle of the inner wall of the mounting seat (2), and each of the filling through holes (27) and the filling gap (28) are connected to the ring-shaped annular groove (29).

5. A beer valve according to claim 4, characterized in that: A sealing ring 1 (30) is provided between the top surface of the valve core (7) and the main body (1) to enclose the chamber (6) on the inner side; a sealing ring 2 (31) is provided between the bottom surface of the valve core (7) and the top surface of the main pressure cap (23) to be located on the inner side of the annular groove (25); a sealing ring 3 (32) is provided between the bottom surface of the main pressure cap (23) and the top surface of the mounting seat (2) to enclose the annular groove 1 (26) on the inner side; and a sealing ring 4 (33) is provided between the ball shaft (14) and the main body (1).

6. A beer valve according to claim 5, characterized in that: The liquid inlet end (8) is threadedly connected to a hollow side pressure cap 1 (34), the liquid outlet end (9) is threadedly connected to a hollow side pressure cap 2 (35), the air inlet end (10) is threadedly connected to a locking cap 1 (36) having an air inlet passage (361), and the exhaust end (11) is threadedly connected to a locking cap 2 (37) having an exhaust passage (371), and the inner ends of the side pressure cap 1 (34), the side pressure cap 2 (35), the locking cap 1 (36) and the locking cap 2 (37) are respectively in contact with the corresponding valve seat (15).

7. A beer valve according to claim 6, characterized in that: The locking cap one (36) is radially penetrated with an intake radial hole (362) connected to the intake duct (361); the locking cap one (36) is sleeved with an intake pipe (38); two sealing rings five (39) are arranged between the intake pipe (38) and the locking cap one (36) and are located on both sides of the intake radial hole (362); the intake pipe (38) has an intake joint (381) connected to the intake radial hole (362); the locking cap two (37) is radially penetrated with an exhaust radial hole (372) connected to the exhaust duct (371); the locking cap two (37) is sleeved with an exhaust pipe (40); two sealing rings six (41) are arranged between the exhaust pipe (40) and the locking cap two (37) and are located on both sides of the exhaust radial hole (372); the exhaust pipe (40) has an exhaust joint (401) connected to the exhaust radial hole (372).

8. A beer valve according to claim 7, characterized in that: A sealing ring seven (42) is provided between the locking cap one (36) and the main body (1), and a sealing ring eight (43) is provided between the locking cap two (37) and the main body (1).

9. A beer valve according to claim 8, characterized in that: The exhaust valve (13) comprises a valve stem (131) coaxially arranged with the exhaust passage (371) and threadedly connected to the second locking cap (37); the inner end of the valve stem (131) is provided with a sealing gasket (132) for sealing the exhaust passage (371); and the outer end of the valve stem (131) is fixedly connected to a hand wheel (133).

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