CN210829658U

CN210829658U - Pressure fork air valve with stable performance

Info

Publication number: CN210829658U
Application number: CN201921213184.4U
Authority: CN
Inventors: 戴菁菁
Original assignee: Zhejiang Hengze Machinery Co ltd
Current assignee: Zhejiang hengze metallurgical and Chemical Machinery Co.,Ltd.
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-06-23
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a pressure fork pneumatic valve of stable performance, which comprises an outer shell, the upper end of shell is provided with the disk seat, and the upper end of disk seat has seted up aperture and arc and has led to the groove, the lower extreme of disk seat is provided with the disk seat board, the lower extreme of shell is provided with the valve gap, and is provided with first round pin between valve gap and the disk seat board, the upper end of valve gap is provided with the spring holder, and the upper end of spring holder is provided with the mushroom head, be provided with the spring between spring holder and the mushroom head, the department is provided with the bolt in the middle of the lower extreme of shell, and the bolt runs through to the upper end of shell, the upper end part that the bolt stretches out to the shell is connected with. A pressure fork pneumatic valve of stable performance, through the setting of buffering circle, can realize the pressure of the lower extreme on the lock washer, prevent that the lock washer from coming from the wearing and tearing that the pressure of lower extreme caused, effectual protection lock washer, nut and disk seat.

Description

Pressure fork air valve with stable performance

Technical Field

The utility model relates to an air valve field, in particular to pressure fork pneumatic valve of stable performance.

Background

The air valve is a component used for controlling gas to enter and exit the cylinder in the compressor, mainly comprising a valve seat, a valve plate, a spring and a lift limiter, wherein the rising height or closing between the valve plate and the valve seat determines the size and the sealing of a gas channel, the spring is mainly used for pushing the valve plate to close and can also reduce the impact of the valve plate on the lift limiter when the valve plate is opened, the lift limiter can limit the lift of the valve plate and can bear the spring, the opening and closing of the valve plate of the air valve is controlled by the pressure difference of gas inside and outside the cylinder and the spring force, other driving mechanisms are not needed, so the air valve is called an automatic valve, and the pressure fork air valve; in the process of using the pressure fork air valve, because the traditional pressure fork air valve uses the anti-loosening gasket, when the pressure fork air valve is used, the anti-loosening gasket is subjected to the pressure of the upper end and the lower end, and the anti-loosening gasket is worn and torn after being used for a long time, so that the using effect of the air valve is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a pressure fork pneumatic valve of stable performance, can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pressure fork air valve with stable performance comprises a shell, wherein a valve seat is arranged at the upper end of the shell, a small hole and an arc-shaped through groove are formed in the upper end of the valve seat, a valve seat plate is arranged at the lower end of the valve seat, a valve cover is arranged at the lower end of the shell, a first pin is arranged between the valve cover and the valve seat plate, a spring seat is arranged at the upper end of the valve cover, a mushroom head is arranged at the upper end of the spring seat, a spring is arranged between the spring seat and the mushroom head, a bolt is arranged in the middle of the lower end of the shell and penetrates through the upper end of the shell, the upper end part of the bolt extending out of the shell is connected with a nut, a buffering type anti-loosening gasket is sleeved on the outer side wall of the bolt and consists of an anti-loosening ring, a ring groove, a first through hole, a first buffering ring, a second through hole, a second buffering, and the locking ring is connected with first buffering circle and second buffering circle in the inslot in lower extreme ring groove, first through-hole has been seted up to the upper end of locking ring, the second through-hole has been seted up to the upper end of first buffering circle, the third through-hole has been seted up to the upper end of second buffering circle, the lateral wall interlude of nut is provided with the pressure fork, and is provided with the off-load spring between pressure fork and the shell, the upper end of nut is provided with the gland, and the lateral wall upper portion of nut is provided with the second round pin.

Preferably, the buffering type anti-loosening gasket is sleeved on the outer side wall of the bolt, the upper end of the buffering type anti-loosening gasket is in contact with the nut, and the lower end of the buffering type anti-loosening gasket is in contact with the valve seat.

Preferably, the ring grooves formed in the upper end and the lower end of the lock ring arranged on the buffering lock washer are annularly arranged, and the bottoms of the ring grooves are connected with the first buffer ring and the second buffer ring by using an adhesive.

Preferably, the inner diameter of the first buffer ring is the same as that of the ring groove, and the inner diameter of the second buffer ring is the same as that of the ring groove.

Preferably, the first buffer ring is in contact with the nut, and the second buffer ring is in contact with the valve seat.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the buffering formula lock washer that sets up, through the setting of buffering circle, can realize the pressure of lower extreme on the lock washer, prevent that the lock washer from coming from the wearing and tearing that the pressure of lower extreme caused, effectual protection lock washer, nut and disk seat.

Drawings

Fig. 1 is a schematic view of the overall structure of a stable-performance pressure fork air valve of the present invention;

fig. 2 is a schematic view of the overall structure of a stable-performance pressure fork air valve of the present invention;

fig. 3 is the utility model relates to a stable performance's buffering formula lock washer sketch map of pressure fork pneumatic valve.

In the figure: 1. a first pin; 2. a valve seat; 3. a valve seat plate; 4. a valve cover; 5. a bolt; 6. mushroom heads; 7. a spring; 8. a spring seat; 9. a buffer type anti-loose washer; 901. an anti-loosening ring; 902. a ring groove; 903. a first through hole; 904. a first buffer ring; 905. a second through hole; 906. a second buffer ring; 907. a third through hole; 10. a relief spring; 11. pressing the fork; 12. a nut; 13. a second pin; 14. a gland; 15. a housing; 16. a small hole; 17. an arc-shaped through groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a forking air valve with stable performance includes a housing 15, a valve seat 2 is disposed at an upper end of the housing 15, a small hole 16 and an arc-shaped through groove 17 are disposed at an upper end of the valve seat 2, a valve seat plate 3 is disposed at a lower end of the valve seat 2, a valve cap 4 is disposed at a lower end of the housing 15, a first pin 1 is disposed between the valve cap 4 and the valve seat plate 3, a spring seat 8 is disposed at an upper end of the valve cap 4, a mushroom head 6 is disposed at an upper end of the spring seat 8, a spring 7 is disposed between the spring seat 8 and the mushroom head 6, a bolt 5 is disposed at a middle portion of a lower end of the housing 15, the bolt 5 penetrates through an upper end of the housing 15, a portion of the bolt 5 extending out of the housing 15 is connected with a nut 12, a buffer-type anti-loose gasket 9 is sleeved on an outer side wall of, The second through hole 905, second buffer ring 906 and third through hole 907 constitute, circle groove 902 has been seted up to the upper and lower end of locking ring 901, and the inslot of lower end circle groove 902 is connected with first buffer ring 904 and second buffer ring 906 on locking ring 901, first through hole 903 has been seted up to the upper end of locking ring 901, second through hole 905 has been seted up to the upper end of first buffer ring 904, third through hole 907 has been seted up to the upper end of second buffer ring 906, the lateral wall interlude of nut 12 is provided with pressure fork 11, and be provided with off-load spring 10 between pressure fork 11 and shell 15, the upper end of nut 12 is provided with gland 14, and the lateral wall upper portion of nut 12 is provided with second round pin 13.

The buffering type anti-loosening washer 9 is sleeved on the outer side wall of the bolt 5, the upper end of the buffering type anti-loosening washer 9 contacts the nut 12, and the lower end of the buffering type anti-loosening washer 9 contacts the valve seat 2; the ring grooves 902 formed at the upper and lower ends of the anti-loosening ring 901 of the buffering type anti-loosening gasket 9 are annularly arranged, and the bottoms of the ring grooves 902 are connected with the first buffer ring 904 and the second buffer ring 906 by using an adhesive; the inner diameter of the first buffer ring 904 is the same as that of the ring groove 902, and the inner diameter of the second buffer ring 906 is the same as that of the ring groove 902; the first cushion ring 904 is in contact with the nut 12 and the second cushion ring 906 is in contact with the valve seat 2.

It should be noted that, the present invention is a stable forking air valve, when assembling the forking air valve, firstly, the assembly of the buffering type check washer 9 is performed, the upper and lower ends of the cleaning check ring 901 are provided with ring grooves 902, the ring groove 902 provided at the upper end of the check ring 901 is filled with adhesive, the first buffer ring 904 is clamped into the ring groove 902 provided at the upper end of the check ring 901, the first buffer ring 904 is fixed and connected with the check ring 901 by the adhesive, the check ring 901 is turned over, the ring groove 902 provided at the lower end of the check ring 901 is exposed, the adhesive is filled into the ring groove 902 provided at the lower end of the check ring 901, the second buffer ring 906 is clamped into the ring groove 902 provided at the lower end of the check ring 901, the second buffer ring 906 is fixed and connected with the second buffer ring 906 and the check ring 901 by the adhesive, thereby completing the assembly of the buffering type check washer 9, a first through hole 903 formed in a buffering type anti-loose washer 9 is aligned to the upper end of a nut 12, the buffering type anti-loose washer 9 is sleeved on the outer side wall of the nut 12, the buffering type anti-loose washer 9 is moved to a proper position of the nut 12, a first pin 1, a valve seat 2, a valve seat plate 3, a valve cover 4, a bolt 5, a mushroom head 6, a spring 7, a spring seat 8, the buffering type anti-loose washer 9, an unloading spring 10, a pressure fork 11, a nut 12, a second pin 13, a gland 14 and a shell 15 are installed according to a pressure fork air valve installation method, the whole pressure fork air valve can be used after being installed, in the using process, a first buffering ring 904 arranged at the upper end of the anti-loose ring 901 buffers pressure from the upper end of the anti-loose ring 901, and a second buffering ring 906 arranged at the lower end of the anti-loose ring 901 buffers pressure from the lower end of the anti-loose.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pressure fork pneumatic valve of stable performance which characterized in that: comprises a shell (15), a valve seat (2) is arranged at the upper end of the shell (15), a small hole (16) and an arc-shaped through groove (17) are formed in the upper end of the valve seat (2), a valve seat plate (3) is arranged at the lower end of the valve seat (2), a valve cover (4) is arranged at the lower end of the shell (15), a first pin (1) is arranged between the valve cover (4) and the valve seat plate (3), a spring seat (8) is arranged at the upper end of the valve cover (4), a mushroom head (6) is arranged at the upper end of the spring seat (8), a spring (7) is arranged between the spring seat (8) and the mushroom head (6), a bolt (5) is arranged in the middle of the lower end of the shell (15), the bolt (5) penetrates through the upper end of the shell (15), the upper end part of the bolt (5) extending out of the shell (15) is connected with a nut (12), and a buffer, the buffering type anti-loose washer (9) is composed of an anti-loose ring (901), a ring groove (902), a first through hole (903), a first buffering ring (904), a second through hole (905), a second buffering ring (906) and a third through hole (907), the upper end and the lower end of the anti-loose ring (901) are provided with the ring groove (902), the first buffering ring (904) and the second buffering ring (906) are connected in the groove of the upper ring groove (902) and the lower ring groove (901) respectively, the upper end of the anti-loose ring (901) is provided with the first through hole (903), the upper end of the first buffering ring (904) is provided with the second through hole (905), the upper end of the second buffering ring (906) is provided with the third through hole (907), the middle section of the outer side wall of the nut (12) is provided with a pressure fork (11), an unloading spring (10) is arranged between the pressure fork (11) and the shell (15), and the upper end of the nut (12) is provided with a pressure cover, and a second pin (13) is arranged on the upper part of the outer side wall of the nut (12).

2. The pressure fork air valve with stable performance of claim 1, wherein: buffer formula lock washer (9) cup joint at the lateral wall of bolt (5), and the upper end contact nut (12) of buffer formula lock washer (9), the lower extreme contact disk seat (2) of buffer formula lock washer (9).

3. The pressure fork air valve with stable performance of claim 1, wherein: the ring grooves (902) formed in the upper end and the lower end of the anti-loosening ring (901) arranged on the buffering type anti-loosening gasket (9) are annularly arranged, and the bottoms of the ring grooves (902) are connected with the first buffering ring (904) and the second buffering ring (906) through adhesives.

4. The pressure fork air valve with stable performance of claim 1, wherein: the inner diameter of the first buffer ring (904) is the same as that of the ring groove (902), and the inner diameter of the second buffer ring (906) is the same as that of the ring groove (902).

5. The pressure fork air valve with stable performance of claim 1, wherein: the first cushion ring (904) is in contact with the nut (12) and the second cushion ring (906) is in contact with the valve seat (2).