CN216408085U

CN216408085U - Avoid rubber joint of indent

Info

Publication number: CN216408085U
Application number: CN202123013525.3U
Authority: CN
Inventors: 李建良; 李文友; 张祥
Original assignee: Jiangsu Suneng Machinery Co ltd
Current assignee: Jiangsu Suneng Machinery Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-29
Anticipated expiration: 2031-12-03

Abstract

The utility model relates to the technical field of pipeline joints and discloses a rubber joint capable of avoiding inward concavity. This avoid rubber joint of indent, it makes the arc pole crooked through rotatory screw rod cooperation screw thread effect behind passing the flange seat with the rubber spare, under the side bearer is spacing, the arc pole drags the fixture block and moves in opposite directions, compress tightly flange seat and rubber spare mouth of pipe position, improve rubber joint's assembly efficiency, when the rubber spare receives the negative pressure sunken, liquid promotes the impact flabellum, make revolving rack circumferential direction, in-process T type piece rotates jack-up rubber spare inner wall, and the slider is sliding fit groove pole rotation in opposite directions and is made the side arc piece hug closely the rubber spare inner wall, it is sunken along with the revolving rack rotation jack-up.

Description

Avoid rubber joint of indent

Technical Field

The utility model relates to the technical field of pipelines, in particular to a rubber joint capable of avoiding inward recessing.

Background

The rubber joint is also called as flexible rubber joint, rubber soft joint, rubber flexible joint, soft joint, shock absorber, pipeline shock absorber, shock absorption throat, etc. by utilizing the characteristics of elasticity, high air tightness, medium resistance, weather resistance, etc. of rubber, the rubber joint not only can reduce vibration and noise at the pipeline joint, but also can compensate expansion with heat and contraction with cold caused by temperature change, and is widely applied to various pipeline systems, but because of the characteristics of rubber materials, the rubber joint can be inwards sunken by negative pressure when the pipeline is internally negatively pressurized, the existing joint prevents deformation by arranging an internal bushing, but the compensation effect of the rubber joint can be influenced by the limitation of the bushing on the rubber pipeline, the practicability of equipment is reduced, meanwhile, when the existing rubber joint is assembled, the rubber pipe fitting needs to be fixed by utilizing bolts and nuts after passing through a flange connecting piece, when the assembly time is increased, the assembly efficiency of the pipeline joint is reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the inward-concave-avoiding rubber joint which has the advantages of eliminating the inward concave based on the circumferential rotation driven by fluid and compressing the rubber pipe based on the flexible deformation of the arc rod, and solves the problems of limitation and low assembly efficiency of the rubber joint caused by the elimination of the inward concave negative pressure of the rubber joint through the inner bushing.

In order to achieve the purpose of eliminating the indent based on the fluid pushing circumferential rotation and compressing the rubber tube based on the arc rod flexible deformation, the utility model provides the following technical scheme: a rubber joint avoiding inward concavity comprises a flange seat, wherein the periphery of the flange seat is provided with through holes, the inner wall of the flange seat is provided with a rubber part, the top and the bottom of the rubber part are clamped with chucks, the center of the chucks is rotatably connected with a transmission shaft, the periphery of the transmission shaft is fixedly connected with impact fan blades, the middle part of the transmission shaft is fixedly connected with a rotating frame, the end part of the rotating frame is movably connected with a T-shaped block, the top and the bottom of the T-shaped block are hinged with side arc blocks, the middle part of each side arc block is rotatably connected with a groove rod, the upper end and the lower end of the rotating frame are fixedly connected with side stretching frames, the periphery of each side stretching frame is movably connected with a sliding block, the periphery of the rubber part is provided with an annular groove, the periphery of the annular groove is provided with a clamping block, one end of the clamping block, which is close to the center of the rubber part, is hinged with an arc rod, the middle part of the arc rod is in threaded connection with a screw rod, and side frames are fixedly connected between the flange seats.

Preferably, the number of the flange seats is two, the two flange seats are symmetrically arranged relative to the transverse center line of the rubber part, and the flange seats are connected through the rubber part to provide conditions for the rubber part to connect with a pipeline.

Preferably, the periphery at the flange seat is seted up to angles such as through-hole, the rubber spare is the tubular structure, and the rubber spare is made by the rubber materials of fabric reinforcing, the annular has been seted up respectively to the top and the bottom periphery of rubber spare, provides the condition basis for the expend with heat and contract with cold that the rubber spare compensation temperature arouses.

Preferably, the inside of flange seat and the neck size looks adaptation of rubber spare, the outside of chuck and the inner wall looks adaptation of rubber spare, the inside cavity of rubber spare provides the condition for the liquid flow.

Preferably, the top and the bottom of the transmission shaft are respectively and movably connected with a chuck, the impact fan blades are symmetrically arranged about the center of the rotating frame, the rotating directions of the fan blades of the impact fan blades are consistent, and the impact fan blades are pushed by liquid flow to enable the transmission shaft to rotate directionally.

Preferably, the inside elastic connection of revolving rack has T type piece, the one end that the revolving rack was kept away from to T type piece is arc structure, the side stretch about the revolving rack central line symmetrical arrangement.

Preferably, the grooved bar swing joint is in the middle part of slider, the other one end elastic connection who stretches the frame and keep away from the revolving rack has the slider, moves the angle that changes the grooved bar on the other frame that stretches through the slider.

Preferably, the outside and the fixture block looks adaptation of annular, fixture block swing joint is in the inside of flange seat, through side bearer fixed connection between the flange seat, the arc pole adopts flexible metal material to make, changes through the arc pole bending and the spacing of side bearer changes the distance between the fixture block.

Preferably, the middle part of the arc rod is provided with an internal thread, the screw rod is rotatably connected to the middle part of the side frame, a gap exists between the side frame and the rubber part, the top and the bottom of the side frame are respectively and movably connected with the arc rod, and the bending state of the arc rod is changed through the rotation of the screw rod.

Advantageous effects

Compared with the prior art, the utility model provides the rubber joint capable of avoiding the inward recess, and the rubber joint has the following beneficial effects:

1. this avoid rubber joint of indent is provided with the rubber spare through the inside of flange seat, passes the flange seat with the rubber spare, and the fixture block is located the top of annular this moment, and rotatory screw rod cooperation screw thread effect makes the arc pole bend to the center gradually, and the spacing of cooperation side bearer, arc pole drag the fixture block and move in opposite directions, and inside the fixture block removal card income annular, the mouth of pipe position of both sides flange seat and rubber spare about the locking to reach the effect based on arc pole flexible deformation compresses tightly the rubber tube, improve rubber joint's assembly efficiency.

2. This avoid rubber joint of indent, inside joint through the rubber spare has the chuck, when the rubber spare is sunken by inside negative pressure effect, along with liquid flow promotes the impact flabellum, the effect of the directional normal running fit transmission shaft of impact flabellum, make the revolving rack around transmission shaft circumferential direction, T type piece rotates the inner wall that supports the pressure rubber spare thereupon at this in-process, receive the spring force effect simultaneously, the slider makes the inner wall that the rubber spare was hugged closely to the side arc piece in the rotation of sliding fit groove pole in opposite directions, it is sunken along with the revolving rack rotates the jack-up, thereby reach the effect of eliminating the indent based on fluid promotion circumferential direction, avoid the use of neck bush.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic view of the assembly of the rubber member of the present invention;

FIG. 3 is a schematic view of the present invention illustrating dishing elimination;

FIG. 4 is an enlarged view of the structure of FIG. 1A according to the present invention.

In the figure: 1. a flange seat; 2. a through hole; 3. a rubber member; 4. a chuck; 5. a drive shaft; 6. impacting the fan blades; 7. rotating the frame; 8. a T-shaped block; 9. a side arc block; 10. a slot bar; 11. a side extension frame; 12. a slider; 13. a ring groove; 14. a clamping block; 15. an arc rod; 16. a screw; 17. a side frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1-4, a rubber joint for avoiding indent comprises a flange base 1, through holes 2 are formed in the periphery of the flange base 1, the through holes 2 are formed in the periphery of the flange base 1 at equal angles, a rubber member 3 is of a tubular structure, the rubber member 3 is made of a rubber material reinforced by fabric, annular grooves 13 are formed in the peripheries of the top and the bottom of the rubber member 3 respectively to provide a condition basis for the rubber member 3 to compensate for thermal expansion and cold contraction caused by temperature, the rubber member 3 is arranged on the inner wall of the flange base 1, the number of the flange bases 1 is two, the two flange bases 1 are symmetrically arranged relative to the transverse center line of the rubber member 3, the flange bases 1 are connected through the rubber member 3 to provide a condition for the rubber member 3 to be connected with a pipeline, the inner portion of the flange base 1 is matched with the size of the neck portion of the rubber member 3, the outer portion of a chuck 4 is matched with the inner wall of the rubber member 3, the inner portion of the rubber member 3 is hollow, providing conditions for liquid flow, wherein the top and the bottom of a rubber part 3 are clamped with chucks 4, the center of the chuck 4 is rotatably connected with a transmission shaft 5, the periphery of the transmission shaft 5 is fixedly connected with impact fan blades 6, the top and the bottom of the transmission shaft 5 are respectively and movably connected with the chucks 4, the impact fan blades 6 are arranged in a central symmetry way about a rotating frame 7, the rotating directions of the fan blades of the impact fan blades 6 are consistent, the impact fan blades 6 are pushed by the liquid flow to ensure that the transmission shaft 5 rotates directionally, the middle part of the transmission shaft 5 is fixedly connected with the rotating frame 7, the inner part of the rotating frame 7 is elastically connected with a T-shaped block 8, one end of the T-shaped block 8, which is far away from the rotating frame 7, is of an arc structure, the side extension frame 11 is symmetrically arranged about the central line of the rotating frame 7, the end part of the rotating frame 7 is movably connected with the T-shaped block 8, the top and the bottom of the T-shaped block 8 are hinged with side arc blocks 9, the middle part of the side arc blocks 9 is rotatably connected with a slot rod 10, the slot rod 10 is movably connected with the middle part of a sliding block 12, one end of the side extension frame 11 far away from the rotating frame 7 is elastically connected with a sliding block 12, the angle of a groove rod 10 is changed by moving the sliding block 12 on the side extension frame 11, the upper end and the lower end of the rotating frame 7 are fixedly connected with the side extension frame 11, the periphery of the side extension frame 11 is movably connected with the sliding block 12, the periphery of the rubber part 3 is provided with a ring groove 13, the outer part of the ring groove 13 is matched with a clamping block 14, the clamping block 14 is movably connected with the inner part of a flange seat 1, the flange seats 1 are fixedly connected through a side frame 17, an arc rod 15 is made of flexible metal materials, the distance between the clamping blocks 14 is changed by bending change of the arc rod 15 and limit of the side frame 17, the periphery of the ring groove 13 is provided with the clamping block 14, one end of the clamping block 14 close to the center of the rubber part 3 is hinged with an arc rod 15, the middle part of the arc rod 15 is provided with an internal thread, a screw 16 is rotatably connected with the middle part of the side frame 17, a gap exists between the side frame 17 and the rubber part 3, the top and the bottom of the side frame 17 are respectively and movably connected with the arc rod 15, the bending state of the arc rod 15 is changed by the rotation of the screw rod 16, the screw rod 16 is connected with the middle part of the arc rod 15 in a threaded manner, and a side frame 17 is fixedly connected between the flange seats 1.

The working principle is as follows: before the rubber joint is used, the flange seat 1 is connected with a connected pipeline, based on the hollow inside of the flange seat 1, the inside of the flange seat 1 is matched with the size of the neck part of the rubber part 3, the rubber part 3 penetrates through the flange seat 1, at the moment, the top and the bottom of the flange seat 1 are respectively abutted against the surface of the flange seat 1, because the flange seats 1 are connected through side frames 17, the middle part of each side frame 17 is rotatably connected with a screw 16, based on the threaded connection of the middle part of an arc rod 15, a fixture block 14 is positioned above an annular groove 13, the arc rod 15 is gradually bent towards the center under the matching of the rotating screw 16 and the screw, because the upper end and the lower end of the arc rod 15 are respectively hinged with a fixture block 14, the fixture block 14 is in limited connection with the inside of the side frame 17, along with the gradual bending of the arc rod 15 and the limitation of the side frame 17, the fixture blocks 14 of the arc rod 15 move towards each other, the fixture block 14 moves to be clamped into the annular groove 13 to drag, the pipe orifice positions of the flange seats 1 and the rubber parts 3 on the upper side and the lower side are locked, the effect of compressing the rubber pipe based on the flexible deformation of the arc rod 15 is achieved, and the assembling efficiency of the rubber joint is improved.

After the flange seat 1 is connected with a pipeline, an external valve body is controlled to enable the rubber joint to circulate, because a chuck 4 is clamped inside a rubber part 3, the center of the chuck 4 is rotatably connected with a transmission shaft 5, the periphery of the transmission shaft 5 is respectively and fixedly connected with an impact fan blade 6 and a rotating frame 7, the rotating frame 7 is positioned between the impact fan blades 6, the rotating directions of the impact fan blades 6 are consistent, when the rubber part 3 is depressed under the action of internal negative pressure, the impact fan blades 6 are pushed along with the flowing of liquid, the impact fan blades 6 are directionally rotated and matched with the action of the transmission shaft 5, so that the rotating frame 7 rotates circumferentially around the transmission shaft 5, in the process, a T-shaped block 8 rotates along with the T-shaped block to press against the inner wall of the rubber part 3, and simultaneously, under the action of the elastic force of a spring, a sliding block 12 is oppositely matched with the rotation of a groove rod 10 in a sliding manner to enable a side arc block 9 to be tightly attached to the inner wall of the rubber part 3, and jacks up the depression along with the rotation of the rotating frame 7, so as to achieve the effect of eliminating the inward recess based on the pushing of the circumferential rotation of the fluid, the use of the inner bushing is prevented from influencing the compensation effect of the rubber member 3.

In summary, according to the rubber joint avoiding the inward recess, the rubber piece 3 is arranged in the flange seat 1, the rubber piece 3 penetrates through the flange seat 1, the clamping block 14 is located above the annular groove 13 at the moment, the rotary screw 16 is matched with the screw thread to enable the arc rod 15 to be gradually bent towards the center, the arc rod 15 is matched with the side frame 17 for limiting, the clamping block 14 is dragged to move towards each other, the clamping block 14 is moved to be clamped into the annular groove 13, the pipe orifice positions of the flange seats 1 and the rubber piece 3 on the upper side and the lower side are locked, the effect of compressing a rubber pipe based on the flexible deformation of the arc rod 15 is achieved, and the assembling efficiency of the rubber joint is improved.

And, this avoid rubber joint of indent, inside joint through rubber spare 3 has chuck 4, when rubber spare 3 is sunken by inside negative pressure effect, along with liquid flow promotes impact flabellum 6, impact the effect of flabellum 6 directional normal running fit transmission shaft 5, make revolving rack 7 around transmission shaft 5 circumferential direction, T type piece 8 rotates thereupon and supports the inner wall of pressing rubber spare 3 at this in-process, simultaneously receive the spring elastic force effect, slider 12 makes the inner wall of rubber spare 3 is hugged closely to side arc piece 9 in the rotation of sliding fit grooved bar 10 in opposite directions, it is sunken along with revolving rack 7 rotates the jack-up, thereby reach and promote the effect of circumferential direction elimination indent based on the fluid, avoid the use of neck bush.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an avoid rubber joint of indent, includes flange seat (1), its characterized in that: the flange comprises a flange seat (1), wherein a through hole (2) is formed in the periphery of the flange seat (1), a rubber part (3) is arranged on the inner wall of the flange seat (1), a chuck (4) is clamped at the top and the bottom of the rubber part (3), a transmission shaft (5) is connected with the center of the chuck (4) in a rotating manner, an impact fan blade (6) is fixedly connected with the periphery of the transmission shaft (5), a rotating frame (7) is fixedly connected with the middle of the transmission shaft (5), a T-shaped block (8) is movably connected with the end part of the rotating frame (7), side arc blocks (9) are hinged at the top and the bottom of the T-shaped block (8), a groove rod (10) is rotatably connected with the middle of the side arc blocks (9), a side stretching frame (11) is fixedly connected with the upper end and the lower end of the rotating frame (7), a sliding block (12) is movably connected with the periphery of the side stretching frame (11), an annular groove (13) is formed in the periphery of the rubber part (3), the periphery of annular (13) is provided with fixture block (14), the one end that fixture block (14) are close rubber spare (3) center articulates there is arc pole (15), the middle part threaded connection of arc pole (15) has screw rod (16), fixedly connected with side bearer (17) between flange seat (1).

2. A dimple-avoiding rubber joint as set forth in claim 1, wherein: the number of the flange seats (1) is two, the two flange seats (1) are symmetrically arranged relative to the transverse center line of the rubber piece (3), and the flange seats (1) are connected through the rubber piece (3).

3. A dimple-avoiding rubber joint as set forth in claim 1, wherein: through-hole (2) are the periphery of angle division in flange seat (1) such as, rubber spare (3) are the tubular structure, and rubber spare (3) are made by the rubber materials of fabric reinforcing, annular (13) have been seted up respectively to the top and the bottom periphery of rubber spare (3).

4. A dimple-avoiding rubber joint as set forth in claim 1, wherein: the inside of flange seat (1) and the neck size looks adaptation of rubber spare (3), the outside of chuck (4) and the inner wall looks adaptation of rubber spare (3), the inside cavity of rubber spare (3).

5. A dimple-avoiding rubber joint as set forth in claim 1, wherein: the top and the bottom of transmission shaft (5) swing joint have chuck (4) respectively, strike flabellum (6) and arrange about revolving rack (7) central symmetry, the flabellum of striking flabellum (6) revolves to unanimity.

6. A dimple-avoiding rubber joint as set forth in claim 1, wherein: the inner part of the rotating frame (7) is elastically connected with a T-shaped block (8), one end, far away from the rotating frame (7), of the T-shaped block (8) is of an arc-shaped structure, and the side stretching frames (11) are symmetrically arranged about the center line of the rotating frame (7).

7. A dimple-avoiding rubber joint as set forth in claim 1, wherein: the slotted rod (10) is movably connected to the middle of the sliding block (12), and one end, far away from the rotating frame (7), of the side extending frame (11) is elastically connected with the sliding block (12).

8. A dimple-avoiding rubber joint as set forth in claim 1, wherein: the outside and fixture block (14) looks adaptation of annular (13), fixture block (14) swing joint is in the inside of flange seat (1), through side bearer (17) fixed connection between flange seat (1), arc pole (15) adopt flexible metal material to make.

9. A dimple-avoiding rubber joint as set forth in claim 1, wherein: internal threads are formed in the middle of the arc rod (15), the screw rod (16) is rotatably connected to the middle of the side frame (17), a gap exists between the side frame (17) and the rubber part (3), and the top and the bottom of the side frame (17) are movably connected with the arc rod (15) respectively.