CN212745471U

CN212745471U - Flexible connection device

Info

Publication number: CN212745471U
Application number: CN202021115399.5U
Authority: CN
Inventors: 陈建盈; 戴华锋; 余舟
Original assignee: Zhejiang Canaan Technology Ltd
Current assignee: Zhejiang Canaan Technology Ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-03-19
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a flexible connecting device, which comprises a flexible connecting structure used for connecting an upper interface and a lower interface, the flexible connection structure comprises an upper chuck, a lower chuck and a flexible connection pipe, the upper end part of the flexible connection pipe is inserted in the upper chuck, and is provided with an upper flanging which is turned out outwards in the radial direction, the upper flanging is clamped between the upper chuck and the upper interface, the lower end part of the flexible connecting pipe is inserted in the lower chuck, and has a lower flanging turned out radially outwards, the lower flanging is clamped between the lower chuck and the lower interface, the upper chuck and the upper interface, and the lower chuck and the lower interface are clamped and fixed by hoops, the outer circumferences of the upper flanging and the lower flanging are respectively provided with a V-shaped groove with a V-shaped section, the V-shaped groove is internally inserted with an insertion block which causes the two sides of the V-shaped groove to be respectively tilted upwards and downwards, by adopting the structure, the utility model provides a easy dismounting and sealed better flexible coupling device of effect.

Description

Flexible connection device

Technical Field

The utility model relates to a connection structure, concretely relates to flexible connection device.

Background

At present, two connection structures for connecting an upper interface and a lower interface are mainly arranged on the market, one is a hard connection structure, the requirement on dimensional precision is high, and once the machining error is too large, the problem of non-assembly can be caused; the other is a flexible connection structure, and the requirement on the precision of the size is lower due to the flexible connection, but the sealing effect of the existing flexible connection needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flexible coupling device that easy dismounting and sealed effect are better to prior art not enough.

In order to achieve the above object, the present invention provides a flexible connection device, which comprises a flexible connection structure for connecting an upper interface and a lower interface, wherein the flexible connection structure comprises an upper chuck, a lower chuck and a flexible connection pipe, the upper end of the flexible connection pipe is inserted in the upper chuck and has an upper flange turned out radially outwards, the upper flange is clamped between the upper chuck and the upper interface, the lower end of the flexible connection pipe is inserted in the lower chuck and has a lower flange turned out radially outwards, the lower flange is clamped between the lower chuck and the lower interface, the upper chuck and the upper interface and the lower chuck and the lower interface are clamped and fixed by clamps, the outer circumferences of the upper flange and the lower flange are respectively provided with a V-shaped groove with a V-shaped cross section, the V-shaped groove is inserted with an insertion block which causes the two sides of the V-shaped groove to be respectively raised upwards and downwards, the insertion block inserted in the V-shaped groove of the upper flange is fixed on the upper chuck, the inserting block inserted into the lower flanging V-shaped groove is fixedly arranged on the lower chuck.

The utility model has the advantages that: by adopting the structure, the connection between the upper interface and the lower interface is realized through the flexible connecting pipe, so the precision requirement on the installation size is lower, and the clamping and fixing are realized through the clamp hoop from top to bottom, so the disassembly and the assembly are very convenient. In addition, after the assembly, the last turn-ups of flexible coupling pipe presss from both sides and establishes between last chuck and last interface, and the lower turn-ups clamp of flexible coupling pipe is established under between chuck and the lower interface, and consequently the upper and lower turn-ups of flexible coupling pipe can also play the effect of sealing washer, and the utility model discloses a further improve sealed effect, all set up the V-arrangement slot that the cross-section is the V-arrangement on upper and lower turn-ups's outer periphery, it has the grafting piece that makes its both sides upwards respectively and tilt up downwards to peg graft in the V-arrangement slot, consequently effectively makes under the effect that corresponds the grafting piece go up turn-ups and last interface, go up the chuck and remain sealed the laminating all the time to and effectively make down turn-ups and lower interface, lower chuck remain sealed the laminating all the time, thereby effectively promoted.

The utility model discloses can further set up as the clamp includes two semi-circular cutting ferrule, and the one end of two cutting ferrule is articulated fixed, and the other end of two cutting ferrule all is provided with one and presss from both sides tight piece, two on the two cutting ferrule press from both sides tight piece mutual butt to it is fixed to form locking through bolt and nut, the nut of bolt is cylindrical to inlay and adorn in a clamp piece, nut welded fastening is on another clamp piece, still is provided with the square groove who locates the nut circle in it on this clamp piece that supplies the nut embedding, and the nut enclosing cover is equipped with square cover plate, square cover plate corresponds to be provided with and constitutes interference grafting complex square grafting portion with square groove, has seted up a square hole on the outer terminal surface of nut, square cover plate's inboard correspond be provided with square hole constitutes looks adaptation grafting complex square convex block. Set up like this, the assembly back not only can play the effect of preventing changeing the stopping to the bolt, but also effectively shelters from the bolt formation to avoid causing the erosion because of entering such as outside rainwater.

The utility model can be further arranged in that the upper part of the soft connecting pipe is cylindrical and the lower part is conical with narrow upper part and wide lower part. This arrangement further facilitates the movement of material from the upper interface to the lower interface.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic structural view showing that the upper and lower flanges are respectively tilted upward and downward at two sides of the V-shaped groove after the insertion block is inserted;

FIG. 4 is a view of the structure of the clip;

FIG. 5 is an exploded view of the clip;

fig. 6 is an exploded view of the clip.

Detailed Description

As shown in fig. 1-6, a flexible connection device is provided, which comprises a flexible connection structure for connecting an upper interface 1 and a lower interface 2, the flexible connection structure comprises an upper chuck 3, a lower chuck 4 and a flexible connection tube 5, the upper end of the flexible connection tube 5 is inserted in the upper chuck 3 and has an upper flange 51 turned out radially outwards, the upper flange 51 is clamped between the upper chuck 3 and the upper interface 1, the lower end of the flexible connection tube 5 is inserted in the lower chuck 4 and has a lower flange 52 turned out radially outwards, the lower flange 52 is clamped between the lower chuck 4 and the lower interface 2, the upper chuck 3 and the upper interface 1 and the lower chuck 4 and the lower interface 2 are clamped and fixed by clamps 6, V-shaped grooves 7 with V-shaped cross sections are respectively arranged on the outer circumferences of the upper flange and the lower flange, insertion blocks 8 for making both

sides

71 and 72 of the V-shaped grooves tilt upwards and downwards are inserted in the V-shaped grooves 7, wherein the plug-in block 8 inserted into the upper flanging V-shaped groove 7 is fixedly arranged on the upper chuck 3 through a screw 12, and the plug-in block 8 inserted into the lower flanging V-shaped groove 7 is fixedly arranged on the lower chuck 4 through a screw 12.

Adopt above-mentioned structure, because realize connecting through hose connection 5 between the upper and lower interface, consequently to mounting dimension's required precision lower, all realize pressing from both sides tight fixedly through clamp 6 from top to bottom simultaneously, consequently the dismouting is very convenient. In addition, after the assembly, last turn-ups 51 of hose coupling 5 press from both sides and establish between last chuck 3 and last interface 1, and lower turn-ups 52 of hose coupling 5 press from both sides and establish between lower chuck 4 and lower interface 2, therefore the upper and lower turn-ups of hose coupling 5 can also play the effect of sealing washer, and the utility model discloses a further improve sealed effect, all set up the V-arrangement slot 7 that the cross-section is the V-arrangement on upper and lower turn-ups's outer periphery, it has the grafting piece 8 that makes its both

sides

71 and 72 upwards respectively and tilt up downwards to peg graft in the V-arrangement slot 7, consequently effectively makes under the effect that corresponds grafting piece 8 go up turn-ups 51 and last interface 1, last chuck 3 remain sealed laminating all the time to and effectively make down turn-ups 52 and lower interface 2, lower chuck 4 remain sealed laminating all the time, thereby effectively promoted sealing performance. The upper part 53 of the flexible connecting tube 5 is cylindrical, and the lower part 54 is conical with a narrow upper part and a wide lower part. This arrangement further facilitates the movement of material from the upper interface 1 to the lower interface 2.

The clamp 6 comprises two semicircular clamping sleeves 61, one ends of the two clamping sleeves 61 are hinged and fixed, the other ends of the two clamping sleeves 61 are respectively provided with a clamping block 62, the two clamping blocks 62 on the two clamping sleeves 61 are mutually abutted and locked and fixed through bolts 9 and nuts 10, the nuts 91 of the bolts 9 are cylindrical and are embedded in one clamping block 62, the nuts 10 are welded and fixed on the other clamping block 62, square grooves 92 for enabling the nuts 91 to be arranged in circles are further formed in the clamping blocks 62 for enabling the nuts 91 to be embedded in, square cover plates 11 are arranged outside the nuts 91, square insertion parts 111 which are in interference insertion fit with the square grooves 92 are correspondingly arranged on the square cover plates 11, square holes 93 are formed in the outer end faces of the nuts 91, and square convex blocks 112 which are in fit with the square holes 93 in an insertion fit mode are correspondingly arranged on the inner sides of the square cover plates 11. Set up like this, the assembly back not only can play the effect of preventing changeing the stopping to bolt 9, but also effectively shelters from bolt 9 formation to avoid causing the erosion because of entering such as outside rainwater.

Claims

1. A kind of soft junction device, including the soft junction structure used for connecting the upper interface and lower interface, characterized by that: the flexible connection structure includes chuck, lower chuck and hose connection pipe, and hose connection pipe's upper end is pegged graft in last chuck to have the turn-ups that radially outwards turns out, it establishes between last chuck and last interface to go up the turn-ups clamp, and hose connection pipe's lower tip is pegged graft in lower chuck, and has the lower turn-ups that radially outwards turns out, the turn-ups clamp is established between chuck and lower interface down, goes up between chuck and the last interface and presss from both sides through the clamp between lower chuck and the lower interface and presss from both sides tightly fixedly, all offers the cross-section for the V-arrangement slot of V-arrangement on upper and lower turn-ups's the outer periphery, and it has the plug-in block that makes its both sides upwards respectively and tilt up downwards to insert in the V-arrangement slot, and the plug-in block that inserts down turn-ups V-arrangement slot is fixed to be installed on lower chuck wherein insert.

2. A flexible connection means according to claim 1, wherein: the clamp comprises two semicircular clamping sleeves, one ends of the two clamping sleeves are hinged and fixed, the other ends of the two clamping sleeves are provided with clamping blocks, the two clamping blocks on the two clamping sleeves are mutually abutted and locked and fixed through bolts and nuts, nuts of the bolts are cylindrical and are embedded in one clamping block, the nuts are welded and fixed on the other clamping block, square grooves for arranging nut rings in the clamping blocks are further formed in the clamping blocks for the nuts to be embedded, square cover plates are arranged on nut outer covers, the square cover plates are correspondingly provided with square insertion parts which form interference insertion fit with the square grooves, square holes are formed in the outer end faces of the nuts, and square lugs which are matched with the square holes in an adaptive insertion manner are correspondingly arranged on the inner sides of the square cover plates.

3. A flexible connection means according to claim 1 or 2, wherein: the upper part of the soft connecting pipe is cylindrical, and the lower part of the soft connecting pipe is conical with a narrow upper part and a wide lower part.