CN214248326U

CN214248326U - Anti-surge butterfly valve device of air blower

Info

Publication number: CN214248326U
Application number: CN202023329734.4U
Authority: CN
Inventors: 张旺平
Original assignee: Wuhan Xinlang Technology Co ltd
Current assignee: Wuhan Xinlang Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-21
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses an air-blower surge-proof butterfly valve device, concretely relates to air-blower valve technical field, including pivot and barrel, the top of barrel is inlayed and is had logical groove, it is linked together with the inside of barrel to lead to the groove, the inside that leads to the groove is provided with the pivot, the pivot runs through the inside that leads to the groove and extend to the barrel, the top of barrel is provided with location structure, the inside of barrel is provided with tears the structure open and trades, the inside bottom of barrel is provided with sliding construction, sliding construction includes the slot. The utility model discloses a when using this butterfly valve, the ball that rotates the pivot and can drive the bottom rolls in the inside of turn trough, and the inside smooth ball of dead slot on top is in the rolling inside that leads to the groove, prevents that the pivot from directly rubbing with the slot directly takes place with leading to the groove, prevents to lead to the pivot wearing and tearing serious, causes the resistance grow, has realized that long-time use can have been prevented to lead to the pivot wearing and tearing serious to reinforcing rolling resistance.

Description

Anti-surge butterfly valve device of air blower

Technical Field

The utility model relates to an air-blower valve technical field specifically is an air-blower surge-proof butterfly valve device.

Background

The blower is used as a common air charging and supplying device, the interior of the blower often generates surge phenomenon when in use, so that damage is caused to the interior of the blower, and in order to prevent the surge phenomenon, an anti-surge butterfly valve is installed, so that an air supplying channel can be conveniently controlled, and the damage of surge to the interior can be reduced.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional anti-surge butterfly valve device of the blower can generate damping sense when a rotating shaft is worn to cause opening and closing after being used for a long time, and the control sensitivity is reduced;

(2) the traditional anti-surge butterfly valve device of the blower is easily influenced by external force or internal thrust to cause passive opening and closing;

(3) in the traditional anti-surge butterfly valve device of the air blower, the butterfly plate can be corroded and abraded after being used for a long time, and the sealing performance is insufficient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air-blower surge-proof butterfly valve device to propose among the solution above-mentioned background art and can appear the damping when using long back pivot wearing and tearing to lead to the switch and feel, reduce the problem of control sensitivity.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-surge butterfly valve device of an air blower comprises a rotating shaft and a barrel body, wherein a through groove is embedded in the top end of the barrel body and is communicated with the inside of the barrel body, the rotating shaft is arranged in the through groove, penetrates through the through groove and extends to the inside of the barrel body, a positioning structure is arranged at the top end of the barrel body, a dismounting structure is arranged in the barrel body, and a sliding structure is arranged at the bottom end of the inside of the barrel body;

the sliding structure comprises a slot, the slot is inlaid in the bottom of the barrel, a rotary groove is inlaid in the bottom of the slot, a placing groove is inlaid in the bottom of the rotary shaft, a ball is movably connected to the inside of the placing groove, the ball is movably connected with the rotary groove, empty grooves are inlaid in the two sides of the top end of the outer portion of the rotary shaft, sliding balls are movably connected to the inside of the empty grooves, and the sliding balls are movably connected with the through grooves.

Preferably, the central line of the slot and the central line of the cylinder are on the same vertical plane, and the diameter of the slot is larger than that of the rotating shaft.

Preferably, location structure comprises tooth's socket, positioning gear, pull rod, cross post and cross flower groove, tooth's socket fixed connection is on the top of barrel, the inside swing joint of tooth's socket has positioning gear, positioning gear's top fixedly connected with pull rod, positioning gear's bottom fixedly connected with cross post, the top at the pivot is inlayed to cross flower groove, the cross post extends to the inside and the cross flower groove swing joint that lead to the groove.

Preferably, the central line of the cross flower groove and the central line of the rotating shaft are on the same vertical plane, and the width of the inside of the cross flower groove is larger than that of the cross column.

Preferably, tear open and trade the structure and constitute by dish board, sealing washer, spacing, recess, bolt and thread groove, dish board swing joint is in the inside of pivot, the outside fixedly connected with sealing washer of dish board, the both ends difference a set of spacing of fixedly connected with at dish board both ends, spacing and pivot swing joint, the both ends in the pivot are inlayed to the recess, the inside swing joint of recess has the bolt, the thread groove is inlayed at the both ends of the inside one end of pivot, the bolt runs through dish board and thread groove swing joint.

Preferably, the diameter of the sealing ring is smaller than the height of the inner part of the rotating shaft, and the width of the sealing ring is smaller than the width of the inner part of the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the surge-proof butterfly valve device of the blower not only realizes that the abrasion of the rotating shaft is prevented from being fast, the internal passive switch caused by external force is prevented, but also realizes the replaceable butterfly plate;

(1) by arranging the slot, the rotary groove, the balls, the placing groove, the sliding balls and the empty groove, when the butterfly valve is used, the rotating shaft can drive the balls at the bottom end to roll in the rotary groove, and the sliding balls in the empty groove at the top end roll in the through groove, so that the direct friction between the rotating shaft and the slot and the through groove is prevented, the rotating shaft is prevented from being seriously abraded, the resistance is prevented from being increased, the rotating shaft is prevented from being seriously abraded due to long-time use, and the rotating resistance is enhanced;

(2) by arranging the tooth socket, the positioning gear, the pull rod, the cross column and the cross flower groove, when the disc plate needs to be rotated, the pull rod can be pulled to drive the positioning gear at the bottom end to be drawn out from the inside of the tooth socket, then the positioning gear is rotated to drive the cross column at the bottom end to rotate, the cross column drives the rotating shaft and the disc plate inside the rotating shaft to rotate through the cross flower groove, when the rotation is completed, the positioning gear can be pressed to be clamped with the tooth socket so as to position the positioning gear, and the cross column at the bottom end positions the rotating shaft, so that the positioning gear and the disc plate are prevented from being passively opened and closed due to external force;

(3) through being provided with the dish board, the sealing washer, spacing, a groove, bolt and thread groove, use after a long time dish board and sealing washer corrode or receive wearing and tearing lead to the leakproofness not enough, can rotate the inside that the bolt made it break away from the thread groove, take out the bolt again from the inside of pivot alright take out the change with the inside of driving the outside sealing washer of dish board from the pivot, install new dish board and sealing washer in the inside alright normal use of pivot, thereby realized can conveniently change the leakproofness of dish board and sealing washer assurance butterfly valve.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the positioning gear of the present invention;

fig. 3 is an enlarged partial sectional view of the utility model at a in fig. 1;

fig. 4 is a side view of the dish plate of the present invention.

In the figure: 1. a positioning structure; 101. a tooth socket; 102. positioning a gear; 103. a pull rod; 104. a cross-shaped column; 105. a cross flower groove; 2. a rotating shaft; 3. disassembling and replacing the structure; 301. a plate; 302. a seal ring; 303. a limiting strip; 304. a groove; 305. a bolt; 306. a thread groove; 4. a slot; 5. rotating the groove; 6. a ball bearing; 7. a placement groove; 8. a barrel; 9. a sliding bead; 10. an empty groove; 11. a through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, an anti-surge butterfly valve device of a blower comprises a rotating shaft 2 and a cylinder 8, wherein a through groove 11 is embedded at the top end of the cylinder 8, the through groove 11 is communicated with the inside of the cylinder 8, the rotating shaft 2 is arranged inside the through groove 11, the rotating shaft 2 penetrates through the through groove 11 and extends to the inside of the cylinder 8, a positioning structure 1 is arranged at the top end of the cylinder 8, a replacing structure 3 is arranged inside the cylinder 8, and a sliding structure is arranged at the bottom end inside the cylinder 8;

referring to fig. 1-4, the blower surge-proof butterfly valve device further comprises a sliding structure, the sliding structure comprises a slot 4, the slot 4 is embedded in the bottom end of the cylinder 8, a rotating groove 5 is embedded in the bottom end of the slot 4, a placing groove 7 is embedded in the bottom end of the rotating shaft 2, a ball 6 is movably connected in the placing groove 7, the ball 6 is movably connected with the rotating groove 5, empty grooves 10 are embedded in two sides of the top end of the outer portion of the rotating shaft 2, sliding balls 9 are movably connected in the empty grooves 10, and the sliding balls 9 are movably connected with a through groove 11;

the central line of the slot 4 and the central line of the cylinder 8 are on the same vertical plane, and the diameter of the slot 4 is larger than that of the rotating shaft 2;

specifically, as shown in fig. 1 and 3, when the butterfly valve is used, the rotating shaft 2 can drive the ball 6 at the bottom end to roll in the rotating groove 5, and the sliding ball 9 in the hollow groove 10 at the top end rolls in the through groove 11, so that the rotating shaft 2 is prevented from directly rubbing with the slot 4 and the through groove 11, the abrasion of the rotating shaft 2 is prevented from being serious, the resistance is increased, and the phenomenon that the rotating shaft 2 is abraded seriously due to long-time use is realized, thereby enhancing the rotation resistance.

Example 2: the positioning structure 1 comprises a tooth socket 101, a positioning gear 102, a pull rod 103, a cross column 104 and a cross flower groove 105, wherein the tooth socket 101 is fixedly connected to the top end of the cylinder body 8, the positioning gear 102 is movably connected inside the tooth socket 101, the pull rod 103 is fixedly connected to the top end of the positioning gear 102, the cross column 104 is fixedly connected to the bottom end of the positioning gear 102, the cross flower groove 105 is embedded at the top end of the rotating shaft 2, and the cross column 104 extends into the through groove 11 and is movably connected with the cross flower groove 105;

the central line of the cross flower groove 105 and the central line of the rotating shaft 2 are on the same vertical plane, and the width inside the cross flower groove 105 is larger than that of the cross column 104;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when the dish plate 301 needs to be rotated, the pull rod 103 can be pulled to drive the positioning gear 102 at the bottom end to be drawn out from the inside of the tooth socket 101, and then the positioning gear 102 is rotated to drive the cross-post 104 at the bottom end to rotate, the cross-post 104 drives the rotating shaft 2 and the dish plate 301 inside the rotating shaft 2 to rotate through the cross-post 105, and when the rotation is completed, the positioning gear 102 can be pressed to be engaged with the tooth socket 101 to position the positioning gear 102, and the cross-post 104 at the bottom end positions the rotating shaft 2, so that the positioning gear 102 and the dish plate 301 are prevented from being passively opened and closed due to an external force.

Example 3: the replacing structure 3 comprises a disc plate 301, a sealing ring 302, limiting strips 303, a groove 304, bolts 305 and thread grooves 306, wherein the disc plate 301 is movably connected inside the rotating shaft 2, the sealing ring 302 is fixedly connected outside the disc plate 301, two ends of the disc plate 301 are respectively and fixedly connected with a group of limiting strips 303, the limiting strips 303 are movably connected with the rotating shaft 2, the groove 304 is embedded at two ends of the rotating shaft 2, the bolts 305 are movably connected inside the groove 304, the thread grooves 306 are embedded at two ends of one end inside the rotating shaft 2, and the bolts 305 penetrate through the disc plate 301 and are movably connected with the thread grooves 306;

the diameter of the sealing ring 302 is smaller than the height of the inner part of the rotating shaft 2, and the width of the sealing ring 302 is smaller than the width of the inner part of the rotating shaft 2;

specifically, as shown in fig. 1 and 4, when the sealing performance is insufficient due to corrosion or abrasion of the disc 301 and the sealing ring 302 after long use, the bolt 305 can be rotated to be disengaged from the inside of the thread groove 306, the bolt 305 can be taken out from the inside of the rotating shaft 2, so that the disc 301 can drive the external sealing ring 302 to be taken out from the inside of the rotating shaft 2 for replacement, a new disc 301 and a new sealing ring 302 can be installed inside the rotating shaft 2 for normal use, and the disc 301 and the sealing ring 302 can be conveniently replaced, so that the sealing performance of the butterfly valve can be ensured.

The working principle is as follows: the utility model discloses when using, at first, when using this butterfly valve, rotate the ball 6 that pivot 2 can drive the bottom and roll in the inside of rotating groove 5, and the inside smooth ball 9 of dead slot 10 inside on top is in the inside rolling that leads to groove 11, prevent that pivot 2 is direct to take place the friction with slot 4 and lead to groove 11 directly, it is serious to prevent to lead to 2 wearing and tearing of pivot, cause the resistance grow, realized that long-time use can be prevented to lead to 2 wearing and tearing of pivot serious, thereby reinforcing rolling resistance.

Afterwards, when the dish plate 301 needs to be rotated, the pull rod 103 can be pulled to drive the positioning gear 102 at the bottom end to be pulled out from the inside of the tooth socket 101, then the positioning gear 102 is rotated to drive the cross column 104 at the bottom end to rotate, the cross column 104 drives the rotating shaft 2 and the dish plate 301 inside the rotating shaft 2 to rotate through the cross flower groove 105, when the rotation is completed, the positioning gear 102 can be pressed to be clamped with the tooth socket 101 so as to position the positioning gear 102, the cross column 104 at the bottom end positions the rotating shaft 2, and the positioning gear 102 and the dish plate 301 are prevented from being passively opened and closed due to external force.

Finally, use after a long time dish board 301 and sealing washer 302 corrode or receive wearing and tearing to lead to the leakproofness not enough, can rotate bolt 305 and make it break away from the inside of thread groove 306, take out bolt 305 again from the inside of pivot 2 alright take out the inside of changing of dish board 301 drive outside sealing washer 302 from pivot 2, install new dish board 301 and sealing washer 302 in the inside alright normal use of pivot 2, thereby realized can conveniently changing dish board 301 and sealing washer 302 and guarantee the leakproofness of butterfly valve.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a blower surge-proof butterfly valve device, includes pivot (2) and barrel (8), its characterized in that: a through groove (11) is embedded in the top end of the barrel body (8), the through groove (11) is communicated with the inside of the barrel body (8), a rotating shaft (2) is arranged inside the through groove (11), the rotating shaft (2) penetrates through the through groove (11) and extends to the inside of the barrel body (8), a positioning structure (1) is arranged at the top end of the barrel body (8), a dismounting structure (3) is arranged inside the barrel body (8), and a sliding structure is arranged at the bottom end inside the barrel body (8);

the sliding structure includes slot (4), slot (4) are inlayed in the inside bottom of barrel (8), inlay bottom in slot (4) has rotary tank (5), the bottom of pivot (2) is inlayed and is had standing groove (7), the inside swing joint of standing groove (7) has ball (6), ball (6) and rotary tank (5) swing joint, the both sides on pivot (2) outside top are inlayed and are had dead slot (10), the inside swing joint of dead slot (10) has smooth pearl (9), smooth pearl (9) and logical groove (11) swing joint.

2. The blower surge-proof butterfly valve device of claim 1, wherein: the central line of the slot (4) and the central line of the cylinder (8) are on the same vertical plane, and the diameter of the slot (4) is larger than that of the rotating shaft (2).

3. The blower surge-proof butterfly valve device of claim 1, wherein: location structure (1) comprises tooth's socket (101), positioning gear (102), pull rod (103), cross post (104) and cross flower groove (105), tooth's socket (101) fixed connection is on the top of barrel (8), the inside swing joint of tooth's socket (101) has positioning gear (102), the top fixedly connected with pull rod (103) of positioning gear (102), the bottom fixedly connected with cross post (104) of positioning gear (102), inlay the top in pivot (2) cross flower groove (105), cross post (104) extend to the inside and cross flower groove (105) swing joint that lead to groove (11).

4. A blower surge-proof butterfly valve device, as claimed in claim 3, wherein: the central line of the cross flower groove (105) and the central line of the rotating shaft (2) are on the same vertical plane, and the width of the interior of the cross flower groove (105) is larger than that of the cross column (104).

5. The blower surge-proof butterfly valve device of claim 1, wherein: tear structure (3) open and trade by dish board (301), sealing washer (302), spacing (303), recess (304), bolt (305) and thread groove (306) and constitute, the inside at pivot (2) of dish board (301) swing joint, the outside fixedly connected with sealing washer (302) of dish board (301), the both ends difference fixedly connected with of dish board (301) both ends are a set of spacing (303), spacing (303) and pivot (2) swing joint, inlay the both ends at pivot (2) recess (304), the inside swing joint of recess (304) has bolt (305), thread groove (306) are inlayed at the both ends of pivot (2) inside one end, bolt (305) run through dish board (301) and thread groove (306) swing joint.

6. The blower surge-proof butterfly valve device of claim 5, wherein: the diameter of the sealing ring (302) is smaller than the height of the inside of the rotating shaft (2), and the width of the sealing ring (302) is smaller than the width of the inside of the rotating shaft (2).