Tooth-meshing type quick-opening flange device

Abstract

The utility model relates to the technical field of flanges, and particularly discloses a tooth-meshing type quick-opening flange device which comprises a main barrel, a sealing cover is arranged at the upper end of the main barrel, the lower end of the sealing cover is attached to the upper end of the main barrel, and a sealing assembly is jointly arranged on the outer side of the upper end of the main barrel and the outer side of the lower end of the sealing cover. The sealing assembly comprises a lower flange fixedly installed on the outer side face of the upper portion of the main barrel and an upper flange fixed to the circumferential face of the lower end of the outer side of the sealing cover. A telescopic air cylinder is fixedly installed on the upper portion of the rear end of the main barrel, a left hoop and a right hoop are fixedly installed on telescopic rods at the left end and the right end of the telescopic air cylinder respectively, a first-layer sealing device can be formed under the action of a soft cushion and an inserting groove, the inserting groove can be perfectly filled with the soft cushion due to the characteristics of the soft cushion, and the good sealing effect is achieved; and secondly, under the cooperation of the upper flange, the lower flange and the clamping groove, the traditional plane type attaching condition is abandoned, and the sealing effect is further enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange technical field especially is tooth meshing formula quick -open flange device. BACKGROUND

[0002] Tooth meshing formula quick -open flane device is a kind of quick open-close structure for pressure vessel, with the advantages of convenient opening, wide applicable pressure range and strong pressure-bearing capacity.

[0003] Quick -open device refers to the end cover or head of the access channel of container and the main body with the quick sealing locking device of mutual nesting;Tooth meshing formula quick -open device has the advantages of convenient opening, wide applicable pressure range, strong pressure-bearing capacity, etc.

[0004] But the quick -open flange device on the market in the process of use, most only use simple annular structure hoop, the interface of device is sealed, this will appear with the use of time, the device surface will appear the wear condition, further prone to the problem of gas leakage, to cause maintenance to be more difficult. SUMMARY

[0005] The utility model discloses a tooth meshing formula quick -open flange device can form the first layer's sealing device under the action of soft pad and insertion slot, and because the soft pad can be filled in the inside of insertion slot perfectly due to the characteristics of soft pad, form good sealing effect, second is, under the cooperation of upper flange, lower flane and clamping groove, discard the traditional plane formula adhesion condition, further strengthen the effect of sealing, to solve the problem in the above background technique.

[0006] To achieve the above object, the utility model provides the following technical scheme: a tooth meshing formula quick -open flange device, including main bucket, the upper end of main bucket is provided with sealing cover, and the lower end of sealing cover and the upper end of main bucket are attached, the outer side of the upper end of main bucket and the lower end of sealing cover are equipped with sealing assembly together;

[0007] The sealing assembly includes lower flange fixedly installed on the outer side of the upper part of main bucket and upper flange fixedly installed on the outer side lower end circumferential surface of sealing cover;

[0008] The rear end upper part of main bucket is fixedly installed with telescopic pneumatic cylinder, and left hoop and right hoop are fixedly installed on the left and right ends telescopic rods of telescopic pneumatic cylinder respectively;

[0009] The left hoop and right hoop can be tightly attached together with the outer side of lower flange and upper flane.

[0010] Preferably, the front end of the left and right embrace hoop is fixedly provided with a connecting threaded plate, and the left side and the right side of the two connecting threaded plates are jointly and rotatably provided with a double-headed screw rod.

[0011] Preferably, a vertical rod is rotatably arranged on the circumferential surface of the main barrel by a cylindrical hinge, the upper ends of the two sides of the vertical rod are rotatably provided with L-shaped connecting plates, and the L-shaped connecting plates are fixedly connected with the outer side of the sealing cover.

[0012] Preferably, a pressure relief valve is fixedly arranged on the upper end surface of the sealing cover, a handle is rotatably arranged on the circumferential surface of the sealing cover, and a connecting rod is jointly and rotatably arranged between the upper end of the handle and the right front part of the pressure relief valve.

[0013] Preferably, a clamping plate is fixedly arranged at the lower end of the handle, clamping columns are fixedly arranged on the upper part of the adjacent side of the two connecting threaded plates, clamping grooves matched with the clamping columns are formed in the surface of the two sides of the clamping plate, and the clamping columns can be clamped together with the clamping grooves.

[0014] Preferably, an insertion slot is formed in the upper end surface of the lower flange, and a soft pad is fixedly arranged on the lower end surface of the upper flange and slidably arranged in the insertion slot.

[0015] Preferably, clamping grooves are formed in the inner side surfaces of the left and right embrace hoops, limit grooves are formed in the inner upper and lower end surfaces of the clamping grooves, and the outer side surfaces of the lower flange and the upper flange are matched with the clamping grooves formed in the left and right embrace hoops.

[0016] Preferably, sliding grooves are formed in the sides away from each other of the lower flange and the upper flange, a motor is fixedly arranged at the middle position in the sliding groove, a first gear is fixedly arranged on the output shaft of the motor, cavity columns are uniformly fixedly arranged in the sliding groove in a ring shape, and second gears are rotatably arranged at the sides away from each other of the cavity columns, and the circumferential surfaces of the first gear and the second gear are jointly and rotatably provided with a chain.

[0017] Preferably, a threaded rod is rotatably arranged at the side away from each other of the second gear to the inside of the cavity column, the threaded rod is threadedly rotatable with the second gear, a buckle is rotatably arranged at the upper end of the threaded rod, arc-shaped sealing rods are slidably arranged in the sliding groove, clamping grooves matched with the buckle are formed in the ends close to each other of the two arc-shaped sealing rods, and the ends away from each other of the two arc-shaped sealing rods can be slid into the limit grooves.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] 1. The utility model discloses a first layer sealing device can be formed under the action of soft pad and the insertion slot and can be filled in the inside of the insertion slot perfectly due to the characteristic of soft pad, good sealing effect is formed, secondly, under the cooperation of upper flange, lower flange and clamping groove, the traditional flat surface type is discarded, and the sealing effect is further strengthened.

[0020] 2. The utility model discloses under the action of motor, first gear, second gear and chain structure arc sealing rod can slide to the inside of limit groove, and further improve the sealing effect of device, and arc sealing rod can be replaced quickly in the process of using, improve operation rate, guarantee production efficiency. DRAWINGS

[0021] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0022] Fig. 1 It is the main body schematic diagram of the utility model;

[0023] Fig. 2 It is the sealing cover schematic diagram of the utility model;

[0024] Fig. 3 It is the lower flange and upper flange schematic diagram of the utility model;

[0025] Fig. 4 It is the arc sealing rod schematic diagram of the utility model;

[0026] Fig. 5 It is the chain and second gear schematic diagram of the utility model;

[0027] Fig. 6 It is the upper flange and lower flange schematic diagram of the utility model

[0028] Mark explanation:

[0029] 1, main barrel;11, stand;12, L-shaped connecting plate;13, sealing cover;14, pressure relief valve;15, connecting rod;16, handle;17, clamping plate;171, recess;

[0030] 2, telescopic pneumatic cylinder;

[0031] 3, sealing assembly;31, left hoop;32, right hoop;33, clamping groove;34, limit groove;35, lower flange;36, upper flange;37, soft pad;371, insertion slot;38, sliding groove;

[0032] 41, arc sealing rod; 42, clamping groove; 43, motor; 44, first gear; 45, cavity column; 46, second gear; 47, threaded rod; 48, buckle; 49, chain;

[0033] 5, connecting threaded plate; 51, double-headed screw; 52, clamping column. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0035] Please refer to Figs. 1 to 3 The utility model provides a technical scheme:

[0036] A tooth meshing type quick opening flange device, including main bucket 1, the upper end of main bucket 1 is provided with sealing cover 13, and the lower end of sealing cover 13 and the upper end of main bucket 1 are attached, the outer side of the upper end of main bucket 1 and the lower end of sealing cover 13 are provided with sealing assembly 3 together;Sealing assembly 3 includes lower flange 35 fixedly installed on the outer side of the upper part of main bucket 1 and upper flange 36 fixedly installed on the outer side of the lower end of the circumference of sealing cover 13;The upper part of the rear end of main bucket 1 is fixedly installed with telescopic cylinder 2, and left hoop 31 and right hoop 32 are fixedly installed on the telescopic rods of the left and right ends of telescopic cylinder 2 respectively;Left hoop 31 and right hoop 32 can be tightly attached together with the outer side of lower flange 35 and upper flange 36.

[0037] The front end position of left hoop 31 and right hoop 32 is fixedly installed with connecting threaded plate 5, and double-headed screw 51 is rotatably installed on the left side surface to the right side surface of the two connecting threaded plates 5.

[0038] The circumference of main bucket 1 is hinged with vertical rod 11 by cylinder, the upper end of vertical rod 11 is rotatably installed with L-shaped connecting plate 12 on both sides, and L-shaped connecting plate 12 is fixedly connected with the outer side of sealing cover 13;The upper end surface of sealing cover 13 is fixedly installed with pressure relief valve 14, and handle 16 is rotatably installed on the circumference of sealing cover 13, and connecting rod 15 is rotatably installed between the upper end of handle 16 and the right front part of pressure relief valve 14.

[0039] The lower end of the handle 16 is fixedly provided with a clamping plate 17, the upper part of one side of each of the two connecting threaded plates 5 is fixedly provided with a clamping column 52, the surface of the clamping plate 17 is provided with a groove 171 matched with the clamping column 52 on both sides, and the clamping column 52 can be clamped together with the groove 171.

[0040] By adopting the above technical scheme, first, the upper end opening of the main barrel 1 is sealed, the operator holds the handle 16, the handle 16 pulls the connecting rod 15, the connecting rod 15 pulls the pressure relief valve 14, the pressure relief valve 14 carries the sealing cover 13, the sealing cover 13 rotates about the intersection between the vertical rod 11 and the main barrel 1 as a fulcrum, and the sealing cover 13 rotates synchronously with the upper flange 36 in the sealing assembly 3, so that the upper flange 36 and the lower flange 35 abut at one end.

[0041] Then, the telescopic cylinder 2 is started, the telescopic rod of the telescopic cylinder 2 is retracted while carrying the left hoop 31 and the right hoop 32 to gradually approach, and the double-headed screw rod 51 is rotated, which makes the connecting threaded plate 5 gradually approach, the left hoop 31 and the right hoop 32 can abut together with the outer side of the upper flange 36 and the lower flange 35, and the outer side of the upper flange 36 and the lower flange 35 is slidingly installed in the inside of the clamping groove 33; and the upper flange 36 is slidingly installed in the inside of the insertion groove 371 with the soft pad 37, forming a first layer of sealing effect.

[0042] Secondly, the handle 16 is rotated, the handle 16 synchronously rotates with the clamping plate 17, the groove 171 on the surface of the clamping plate 17 is clamped together with the clamping column 52, and the sealing cover 13 is avoided from rotating.

[0043] When the sealing cover 13 is removed, the handle 16 is rotated, the handle 16 rotates with the clamping plate 17, the handle 16 moves with the connecting rod 15, the connecting rod 15 carries out pressure relief operation with the pressure relief valve 14, and then the sealing cover 13 is rotated about the hinge point between the vertical rod 11 and the L-shaped connecting plate 12 as a fulcrum, so as to open the sealing cover 13, in addition, when the upper flange 36 and the lower flange 35 abut tightly together, the soft pad 37 will slide into the inside of the insertion groove 371, because the soft pad 37 has extensibility, after the soft pad 37 enters the inside of the insertion groove 371, the insertion groove 371 will be completely filled, forming a second layer of sealing effect, and because of the nature of the soft pad 37, the gas cannot pass through, thereby ensuring the sealing effect of the structure; therefore, under the cooperation of the above structures, an inner and outer two-layer sealing structure can be formed, the inner sealing can ensure that the gas does not leak, and the upper flange 36 and the lower flange 35 can ensure the firmness of the structure and form a sealing effect, thereby strengthening the overall sealing effect of the device and avoiding leakage of the device during operation.

[0044] Specifically, as shown in FIG. 1, the device comprises a main barrel 1, a sealing cover 13, a sealing assembly 3, a telescopic cylinder 2, a handle 16, a connecting rod 15, a pressure relief valve 14, a vertical rod 11, an L-shaped connecting plate 12, a double-headed screw rod 51, a connecting threaded plate 5, a left hoop 31, a right hoop 32, an upper flange 36, a lower flange 35, a soft pad 37, an insertion groove 371, a clamping groove 33, a clamping plate 17 and a clamping column 52. Figs. 4 to 5As shown, the upper end surface of the lower flange 35 is provided with an insertion slot 371, the lower end surface of the upper flange 36 is fixedly installed with a soft pad 37, the soft pad 37 is slidingly installed in the inside of the insertion slot 371, the inside surface of the left and right hoops 31 and 32 is provided with a clamping groove 33, the upper and lower end surfaces of the inside of the clamping groove 33 are provided with a limiting groove 34, and the outside surfaces of the lower flange 35 and the upper flange 36 are matched with the clamping grooves 33 provided on the left and right hoops 31 and 32.

[0045] The opposite sides of the lower flange 35 and the upper flange 36 are provided with a sliding groove 38, the inside of the sliding groove 38 is fixedly installed with a motor 43 at the middle position, the output shaft of the motor 43 is fixedly installed with a first gear 44, the inside of the sliding groove 38 is uniformly fixedly installed with a cavity column 45, the opposite ends of the cavity column 45 in the inside of the sliding groove 38 are rotatably installed with a second gear 46, and the circumferential surfaces of the first gear 44 and the second gear 46 are rotatably provided with a chain 49.

[0046] The opposite end of the second gear 46 in the inside of the sliding groove 38 is rotatably installed with a threaded rod 47 in the inside of the cavity column 45, the threaded rod 47 is threadedly rotatable with the second gear 46, the upper end of the threaded rod 47 is rotatably installed with a buckle 48, the inside of the sliding groove 38 is slidingly installed with an arc-shaped sealing rod 41, the opposite ends of the two arc-shaped sealing rods 41 are provided with a clamping groove 42 matched with the buckle 48, and the opposite ends of the two arc-shaped sealing rods 41 can be slidingly located in the inside of the limiting groove 34.

[0047] By adopting the above technical scheme, after the sealing cover 13 and the main barrel 1 are closed, the outside of the upper flange 36 and the lower flange 35 is clamped into the clamping grooves 33 provided in the inside of the left and right hoops 31 and 32, at this time, the motor 43 is started, the output shaft of the motor 43 drives the first gear 44 to rotate, the first gear 44 drives the chain 49 to rotate, the chain 49 drives the second gear 46 to synchronously rotate, the second gear 46 drives the threaded rod 47 to rotate in the inside of the cavity column 45, and then moves upward, when the threaded rod 47 rotates and moves upward, it pushes the arc-shaped sealing rod 41 to slide in the inside of the sliding groove 38, and the arc-shaped sealing rod 41 slides into the inside of the limiting groove 34, forming another layer of sealing structure, and then, in the process of use, the clamping grooves 42 at the lower end surfaces of the arc-shaped sealing rods 41 are clamped together with the buckle 48, the arc-shaped sealing rods 41 can be replaced at any time, the working efficiency is ensured, the maintenance and replacement time is saved, and the working time of the device is increased.

[0048] Working principle: pull the handle 16, the handle 16 pulls the connecting rod 15, the connecting rod 15 pulls the pressure relief valve 14, and the pressure relief valve 14 drives the sealing cover 13 to rotate around the hinge point of the L-shaped connecting plate 12 and the vertical rod 11.

[0049] The lower end of the sealing cover 13 is attached to the upper end of the upper flange 36 in the sealing assembly 3 and the lower flange 35 on the outer circumferential surface of the upper portion of the main barrel 1, at this time, the soft pad 37 slides to the inside of the insertion slot 371, forming the inner protection.

[0050] Then, the telescopic cylinder 2 is started, the telescopic rod of the telescopic cylinder 2 gradually approaches with the left and right clamps 31 and 32 until the clamping slot 33 can be clamped together with the upper flange 36 and the lower flange 35, and the double-headed screw 51 is rotated synchronously, the double-headed screw 51 will gradually approach the connecting threaded plate 5 until it cannot move,

[0051] At this time, the handle 16 is clamped together with the clamping plate 17, the clamping plate 17 is clamped together with the recess 171 and the clamping column 52,

[0052] The motor 43 is started, the shaft of the motor 43 rotates with the first gear 44, the first gear 44 drives the chain 49 to rotate, the chain 49 rotates with the second gear 46, the second gear 46 drives the threaded rod 47 to rotate and gradually slide out of the inside of the cavity column 45, the threaded rod 47 rotates and pushes the clasp 48 to move synchronously, the clasp 48 pushes the arc-shaped sealing rod 41 into the inside of the limiting slot 34.

[0053] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A toothed fast opening flange device, comprising a main barrel (1), the upper end of which is provided with a sealing cover (13), and the lower end of the sealing cover (13) and the upper end of the main barrel (1) are fitted, characterized in that: The upper end outer side of the main barrel (1) and the lower end outer side of the sealing cover (13) are jointly provided with a sealing assembly (3); The sealing assembly (3) comprises a lower flange (35) fixedly installed on the outer side of the upper part of the main barrel (1) and an upper flange (36) fixedly installed on the outer side of the lower end of the sealing cover (13); The rear end of the upper part of the main barrel (1) is fixedly installed with a telescopic air cylinder (2), and the left and right ends of the telescopic air cylinder (2) are respectively fixedly installed with a left hoop (31) and a right hoop (32). The left hoop (31) and the right hoop (32) can be tightly attached together with the outer sides of the lower flange (35) and the upper flange (36).

2. A toothed fast flange device according to claim 1, characterized in that: The front end positions of the left hoop (31) and the right hoop (32) are fixedly installed with connecting threaded plates (5), and the left side to the right side of the two connecting threaded plates (5) are jointly rotatably installed with a double-headed screw rod (51).

3. A toothed fast flange device according to claim 1, characterized in that: A vertical rod (11) is hingedly connected to the circumference of the main barrel (1), the upper ends of the two sides of the vertical rod (11) are rotatably installed with L-shaped connecting plates (12), and the L-shaped connecting plates (12) are fixedly connected with the outer side of the sealing cover (13).

4. A toothed fast flange device according to claim 1, characterized in that: A pressure relief valve (14) is fixedly installed on the upper end surface of the sealing cover (13), a handle (16) is rotatably installed on the circumference of the sealing cover (13), and a connecting rod (15) is jointly rotatably installed between the upper end of the handle (16) and the right front part of the pressure relief valve (14).

5. A toothed fast flange arrangement according to claim 4, characterized in that: A clamping plate (17) is fixedly installed on the lower end of the handle (16), clamping columns (52) are fixedly installed on the upper part of one side of the two adjacent connecting threaded plates (5), recesses (171) matched with the clamping columns (52) are formed in the surfaces of the two sides of the clamping plate (17), and the clamping columns (52) can be clamped together with the recesses (171).

6. A toothed fast flange device according to claim 1, characterized in that: An insertion slot (371) is formed in the upper end surface of the lower flange (35), a soft pad (37) is fixedly installed on the lower end surface of the upper flange (36), and the soft pad (37) is slidably installed in the insertion slot (371).

7. A toothed fast flange arrangement according to claim 6, characterized in that: Clamping grooves (33) are formed in the inner side surfaces of the left hoop (31) and the right hoop (32), limit grooves (34) are formed in the inner upper and lower end surfaces of the clamping grooves (33), and the outer side surfaces of the lower flange (35) and the upper flange (36) are matched with the clamping grooves (33) formed in the left hoop (31) and the right hoop (32) which are attached together.

8. A toothed fast flange device according to claim 1, characterized in that: Slip grooves (38) are formed in the sides away from each other of the lower flange (35) and the upper flange (36), a motor (43) is fixedly installed at the inner intermediate position of the slip groove (38), a first gear (44) is fixedly installed on the output shaft of the motor (43), cavity columns (45) are fixedly installed in the inner ring of the slip groove (38), second gears (46) are rotatably installed at the ends away from each other of the cavity columns (45) in the inner of the slip groove (38), and a chain (49) is rotatably installed on the circumferential surfaces of the first gear (44) and the second gear (46).

9. A toothed fast flange arrangement according to claim 8, characterized in that: The inner side of the sliding groove (38) is provided with the second gear (46), the far end of the second gear (46) is rotatably installed with a threaded rod (47) in the inner side of the cavity column (45), the threaded rod (47) is screwed with the second gear (46), the upper end of the threaded rod (47) is rotatably installed with a buckle (48), the inner side of the sliding groove (38) is slidably installed with an arc-shaped sealing rod (41), the close end of the two arc-shaped sealing rods (41) is respectively provided with a clamping groove (42) matched with the buckle (48), and the far end of the two arc-shaped sealing rods (41) can slide into the limiting groove (34).

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