CN210398041U - Rubber soft joint with limit structure - Google Patents
Rubber soft joint with limit structure Download PDFInfo
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- CN210398041U CN210398041U CN201921340455.2U CN201921340455U CN210398041U CN 210398041 U CN210398041 U CN 210398041U CN 201921340455 U CN201921340455 U CN 201921340455U CN 210398041 U CN210398041 U CN 210398041U
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Abstract
The utility model relates to a soft joint of rubber with limit structure, include: a tubular fitting body; a first connecting flange and a second connecting flange formed at both ends; a first fixing plate connected with the first connecting flange; the second fixing plate is connected with the second connecting flange and is arranged opposite to the first fixing plate; and the limiting part is connected between the first fixing plate and the second fixing plate in a supporting manner, the supporting length of the limiting part between the first fixing plate and the second fixing plate has a certain adjusting range, and the deformation of the joint body is limited when the supporting length of the limiting part reaches an adjusting limit. The utility model discloses a limit structure has certain control range's locating part including supporting length for but connect the body free deformation in certain within range, in order to realize its absorbing function, can prevent again that to connect the body and take place excessive deformation and destroyed, protected effectively and connect the body.
Description
Technical Field
The utility model relates to a building pipeline construction engineering field refers in particular to a soft joint of rubber with limit structure.
Background
The grade and scale of internal matching and auxiliary equipment of modern buildings are continuously enlarged, the types of the equipment are various, the structural layout is varied, a pipeline system is complex, the vibration of the pipeline system becomes a main research subject of the current vibration reduction direction, the vibration of the pipeline system is mainly mechanical vibration and is transmitted to the whole building through a pipeline, the influence range is large, soft joints are added at inlets and outlets of power equipment such as a refrigerating unit, a water pump and the like, the most common vibration reduction method is adopted, and meanwhile, the safety and stability performance of the soft joints in the operation process are particularly important. The soft joint arranged on the pipeline can absorb the mechanical vibration of the pipeline through the elastic deformation of the soft joint, and when the pressure inside the pipeline is too high or a water hammer occurs, the soft joint is easy to break, or the equipment is damaged, or other economic losses are caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a soft joint of rubber with limit structure, solve present soft joint and easily cause the cracked problem of soft joint when the inside pressure of pipeline is too big or there is the water hammer to take place.
The technical scheme for realizing the purpose is as follows:
the utility model provides a soft joint of rubber with limit structure, include:
the pipe joint comprises a pipe-shaped joint body and a pipe joint body, wherein the pipe joint body is provided with a first pipe orifice and a second pipe orifice which are oppositely arranged, the first pipe orifice and the second pipe orifice are communicated with the space inside the joint body, and the joint body is of a rubber structure;
a first connecting flange formed at the first pipe orifice;
a second connection flange formed at the second pipe orifice;
the first fixing plate is connected with the first connecting flange, and part of the first fixing plate protrudes out of the outer side of the first connecting flange to form a first fixing end part;
the second fixing plate is connected with the second connecting flange and is arranged opposite to the first fixing plate, and part of the second fixing plate protrudes out of the outer side of the second connecting flange to form a second fixing end part; and
the limiting part is connected between the first fixing end part and the second fixing end part in a supporting mode, the supporting length of the limiting part between the first fixing end part and the second fixing end part has a certain adjusting range, and when the supporting length of the limiting part reaches an adjusting limit, deformation of the joint body is limited.
The utility model discloses a soft joint of rubber is provided with limit structure, connects the ascending flexible volume of axial and the ascending skew in footpath of body through the limit structure restriction. This limit structure has certain control range's locating part including supporting length for through certain control range's design, but joint body free deformation in certain scope, in order to absorb the mechanical shock of pipeline, realize its absorbing function, can prevent again that joint body from taking place excessive deformation and being destroyed, protected joint body effectively. The utility model discloses a soft joint of rubber has simple structure, easy dismounting, long service life's advantage.
The utility model discloses soft joint of rubber with limit structure's further improvement lies in, the locating part is located the outside of connecting the body, and in the periphery interval that connects the body sets up.
The rubber soft joint with the limiting structure of the utility model is further improved in that a first connecting hole is arranged on the first fixing plate corresponding to the flange hole on the first connecting flange;
first flange bolts penetrate through the first connecting holes and corresponding flange holes in the first connecting flange, and the first fixing plate and the first connecting flange are fixedly connected through the first flange bolts;
a second connecting hole is formed in the second fixing plate corresponding to the flange hole in the second connecting flange;
and second flange bolts penetrate through the second connecting holes and corresponding flange holes in the second connecting flange, and the second fixing plate and the second connecting flange are fixedly connected through the second flange bolts.
The rubber soft joint with the limiting structure of the utility model is further improved in that the aperture of the first connecting hole is larger than the diameter of the first flange bolt, so that a first adjusting gap is formed between the first connecting hole and the first flange bolt;
the diameter of the second connecting hole is larger than that of the second flange bolt, so that a second adjusting gap is formed between the second connecting hole and the second flange bolt.
The utility model discloses the rubber soft joint with limit structure's further improvement lies in, the locating part include with the first gag lever post of first fixed plate fastening connection, with the second gag lever post and the support of second fixed plate fastening connection are connected first gag lever post with the spring of second gag lever post, through the deformation of spring makes the support length of locating part has certain control range.
The utility model discloses soft rubber joint with limit structure's further improvement lies in, the locating part is still located including the cover first gag lever post the spring and the stop sleeve in the second gag lever post outside, stop sleeve's tip with correspond first fixed plate with it is equipped with the spacing to leave between the second fixed plate.
The rubber soft joint with the limiting structure of the utility model is further improved in that the limiting part comprises a first limiting pipe fixedly connected with the first fixing plate and a second limiting pipe fixedly connected with the second fixing plate, and the second limiting pipe extends into the first limiting pipe;
the first limiting pipe is provided with a sliding groove corresponding to the second limiting pipe;
the second limiting pipe is provided with a bulge corresponding to the sliding groove, and the bulge is slidably arranged in the sliding groove;
and the end part of the first limiting pipe is screwed with a stop nut which is used for stopping the protrusion to prevent the protrusion from falling off from the sliding groove.
The utility model discloses soft joint of rubber with limit structure's further improvement lies in, still establish including pressing from both sides connect in first flange with first supporting flange between the first fixed plate with press from both sides establish connect in second flange with the supporting flange of second between the second fixed plate.
Drawings
Fig. 1 is a cross-sectional view of a first embodiment of the rubber soft joint with a limiting structure according to the present invention.
Fig. 2 is a sectional view of a second embodiment of the rubber soft joint with a limiting structure according to the present invention.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1, the utility model provides a soft joint of rubber with limit structure for realize axial flexible volume and the radial displacement of restriction joint body in the certain limit, play certain guard action to the joint body, make the joint body can freely be out of shape in order to absorb the mechanical vibration of pipeline in the control range of the support length of locating part, when the support length of locating part reaches the regulation limit, the further deformation of spacing joint body, thereby prevented to connect the body and taken place excessively flexible and excessive displacement, structure safety and stability have been guaranteed. The rubber flexible joint with the limiting structure of the present invention is described with reference to the accompanying drawings.
Referring to fig. 1, a cross-sectional view of a first embodiment of the rubber soft joint with a position limiting structure of the present invention is shown. The rubber flexible joint with the limiting structure of the present invention is described with reference to fig. 1.
As shown in fig. 1, the utility model discloses a soft joint of rubber with limit structure is including connecting body 21, first flange 22, second flange 23, first fixed plate 24, second fixed plate 25 and locating part 26, connects body 21 to be the tubulose, has and sets up first mouth of pipe 211 and second mouth of pipe 212 relatively, and first mouth of pipe 211 and second mouth of pipe 212 communicate with the space of connecting body 21 inside, connects body 21 to be rubber construction, has certain deformability. The joint body 21 can be adjusted in an axial telescopic manner and can also be adjusted in a radial rotating manner to a certain extent, so that the damping function of the pipeline joint is realized. The first orifice 211 of the joint body 21 is adapted to be connected to a port of one pipe and the second orifice 212 is adapted to be connected to a port of another pipe, so that butt communication of the two pipes is achieved by the joint body 21. The first connecting flange 22 is formed at the first pipe orifice 211, and the joint body 21 can be in butt joint with the corresponding pipeline port through the first connecting flange 22; the second connecting flange 23 is formed at the second pipe port 212, and the joint body 21 can be in butt joint with the corresponding pipe port through the second connecting flange 23.
The first fixing plate 24 is connected with the first connecting flange 22, and the first fixing plate 24 has a first fixing end 241 formed by a part of the first fixing plate 24 protruding out of the first connecting flange 22; the second fixing plate 25 is connected to the second connecting flange 23, and the second fixing plate 25 has a second fixing end 251 formed by partially protruding out of the second connecting flange 23, the second fixing end 251 being opposite to the first fixing end 241. The limiting member 26 is supported and connected between the first fixing end portion 241 and the second fixing end portion 251, a supporting length of the limiting member 26 between the first fixing end portion 241 and the second fixing end portion 251 has a certain adjusting range, and when the supporting length of the limiting member 26 reaches an adjusting limit, deformation of the joint body 21 is limited, so that the joint body 21 is protected.
The utility model discloses a soft joint of rubber is provided with limit structure, connects the ascending flexible volume of axial and the ascending skew in footpath of body through the limit structure restriction. This limit structure has certain control range's locating part including supporting length for through certain control range's design, but joint body free deformation in certain scope, in order to absorb the mechanical shock of pipeline, realize its absorbing function, can prevent again that joint body from taking place excessive deformation and being destroyed, protected joint body effectively.
In one embodiment, the position-limiting members 26 are located outside the joint body 21 and spaced apart from the outer circumference of the joint body 21. The plurality of stoppers 26 are provided and are uniformly distributed on the outer periphery of the joint body 21. The joint body 21 includes straight pipe sections provided at both ends and a bulb tube provided at the middle and communicated with the straight pipe sections, and realizes the function of shock absorption by using the bulb tube to realize the telescopic deformation along the axial direction and the rotational deformation along the radial direction.
In one embodiment, the first fixing plate 24 has a first connecting hole corresponding to the flange hole of the first connecting flange 22; first flange bolts 31 penetrate through the first connecting holes and corresponding flange holes in the first connecting flange 22, and the first fixing plate 24 and the first connecting flange 22 are fixedly connected through the first flange bolts 31; a second connecting hole is formed in the second fixing plate 25 corresponding to the flange hole in the second connecting flange 23; second flange bolts 32 penetrate through the second connecting holes and the corresponding flange holes on the second connecting flange 23, and the second fixing plate 25 and the second connecting flange 23 are tightly connected through the second flange bolts 32. The first fixing plate 24 and the second fixing plate 25 are fastened and connected by the first flange bolt 31 and the second flange bolt 32, which has an advantage of convenient operation.
Further, the aperture of the first connection hole is larger than the diameter of the first flange bolt 31 so that a first adjustment gap is formed between the first connection hole and the first flange bolt 31;
the second coupling hole has a diameter larger than that of the second flange bolt 32 such that a second adjustment gap is formed between the second coupling hole and the second flange bolt 32. Through the first adjusting gap and the second adjusting gap, the first connecting flange 22 and the second connecting flange 23 of the joint body 21 can have certain radial displacement deformation capacity, and the damping function is achieved.
In the first embodiment, the limiting member 26 includes a first limiting rod 261 fastened to the first fixing plate 24, a second limiting rod 262 fastened to the second fixing plate 25, and a spring 263 supporting and connecting the first limiting rod 261 and the second limiting rod 262, and the supporting length of the limiting member 26 has a certain adjusting range through deformation of the spring 263. Specifically, when the joint body 21 is compressed by the acting force, the spring 263 is compressed and deformed, and the ends of the first and second stopper rods 261 and 262 approach each other, so that the distance between the first and second fixing plates 24 and 25 becomes smaller, and when the spring 263 is compressed to the limit and cannot be compressed any more, the first and second stopper rods 261 and 262 support the first and second fixing plates 24 and 25, thereby restricting the deformation of the joint body 21, and making the joint body 21 cannot be compressed any more. When the joint body 21 is stretched by an acting force, the spring 263 is stretched and deformed, and the ends of the first stopper rod 261 and the second stopper rod 262 are away from each other, so that the distance between the first fixing plate 24 and the second fixing plate 25 is increased, and when the spring 263 is stretched to the limit and cannot be stretched any more, the first stopper rod 261 and the second stopper rod 262 pull the first fixing plate 24 and the second fixing plate 25, so that the deformation of the joint body 21 is limited, and the joint body 21 cannot be stretched any more. The joint body 21 is effectively protected by the limiting action of the first limiting rod 261, the second limiting rod 262 and the spring 263.
Further, the position limiting member 26 further includes a position limiting sleeve 264 sleeved outside the first position limiting rod 261, the spring 263 and the second position limiting rod 262, and an adjusting distance is reserved between an end of the position limiting sleeve 264 and the corresponding first fixing plate 24 and the corresponding second fixing plate 25. Establish spacing sleeve 264 through the cover, can ensure that the deformation of spring 263 all goes on along this spacing sleeve 264's axial, avoid first gag lever post 261 and second gag lever post 262 to take place the dislocation. Preferably, the adjusting distance is set to be 3mm to 5mm, and a certain expansion amount and radial displacement are ensured by using the adjusting distance.
The first limit rod 261 is fastened and connected with the first fixing plate 24 through a nut, and the second limit rod 262 is fastened and connected with the second fixing plate 25 through a nut.
In one embodiment, a first mating flange 27 is included that is interposed between the first connecting flange 22 and the first retaining plate 24, and a second mating flange 28 is included that is interposed between the second connecting flange 23 and the second retaining plate 25. The first mating flange 27 and the second mating flange 28 are both of rubber structures and have certain deformation capacity.
Preferably, the first fixing plate 24 and the second fixing plate 25 are angle flanges. In another preferred embodiment, the first fixing plate 24 and the second fixing plate 25 are both circular ring steel plates.
In the second embodiment, which is different from the first embodiment in the structure of the limiting member 26, as shown in fig. 2, in the second embodiment, the limiting member 26 includes a first limiting tube 265 fixedly connected to the first fixing plate 24 and a second limiting tube 266 fixedly connected to the second fixing plate 25, and the second limiting tube 266 extends into the first limiting tube 265; the first limit pipe 265 is provided with a sliding groove corresponding to the second limit pipe 266; the second limiting pipe 266 is provided with a protrusion 2661 corresponding to the sliding groove, and the protrusion 2661 is slidably arranged in the sliding groove; and the end of the first limiting tube 265 is screwed with a stop nut 267 that is used for blocking the protrusion 2661 to prevent the protrusion 2661 from falling off from the sliding slot.
The spout is seted up along first spacing pipe 265's direction of setting, the opening of first spacing pipe 265 of this spout intercommunication, thereby the arch of the tip of the spacing pipe 266 of second can slide into the spout, the removal adjustment distance of first spacing pipe 265 and the spacing pipe 266 of second is injectd through the length of selecting the spout, after protruding inserting the spout in, establish and the spiro union in the tip of first spacing pipe 265 from the spacing pipe 266 cover of second with backstop nut 267, thereby backstop nut 267 has realized blockking protruding 2661, make protruding 2661 can remove the regulation in the spout, the support length of adjusting locating part 26 has been realized.
The following describes a manufacturing process of the first embodiment of the present invention.
First fixed plate and second fixed plate adopt the angle steel preparation, and trompil on the angle steel, the diameter of flange bolt is selected in the aperture adds 2mm, and the length of angle steel is short as far as possible to make the gag lever post can pass the angle steel and not contact the outer fringe of connecting the body can. And aligning the connecting flange of the joint body with the holes of the matched flange and the angle steel flange, and fixing the flange bolt after penetrating the holes. The locating part adopts spring screw, protects first gag lever post, spring and second gag lever post, overlaps on this spring screw and establishes a spacing sleeve, and spacing sleeve and angle steel flange reserve 3mm to 5 mm's spacing interval, have guaranteed certain flexible volume and radial displacement, through the nut with spring screw and the angle steel fastening connection that corresponds. Thereby completing the manufacture of the rubber soft joint with the limiting structure. When the connector is used, the connecting flanges at the two ends of the connector body are directly connected with the corresponding pipelines in a butt joint mode.
The utility model discloses a soft joint of rubber has on-the-spot simple manufacture, advantage that the security performance is reliable. The joint body is good in protection, high in construction efficiency, adjustable as required and convenient to disassemble and assemble.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (8)
1. A soft joint of rubber with limit structure which characterized in that includes:
the pipe joint comprises a pipe-shaped joint body and a pipe joint body, wherein the pipe joint body is provided with a first pipe orifice and a second pipe orifice which are oppositely arranged, the first pipe orifice and the second pipe orifice are communicated with the space inside the joint body, and the joint body is of a rubber structure;
a first connecting flange formed at the first pipe orifice;
a second connection flange formed at the second pipe orifice;
the first fixing plate is connected with the first connecting flange, and part of the first fixing plate protrudes out of the outer side of the first connecting flange to form a first fixing end part;
the second fixing plate is connected with the second connecting flange and is arranged opposite to the first fixing plate, and part of the second fixing plate protrudes out of the outer side of the second connecting flange to form a second fixing end part; and
the limiting part is connected between the first fixing end part and the second fixing end part in a supporting mode, the supporting length of the limiting part between the first fixing end part and the second fixing end part has a certain adjusting range, and when the supporting length of the limiting part reaches an adjusting limit, deformation of the joint body is limited.
2. The flexible rubber joint with a spacing structure as claimed in claim 1, wherein the spacing member is located outside the joint body and spaced apart from the outer circumference of the joint body.
3. The flexible rubber joint with the spacing structure as claimed in claim 1, wherein the first fixing plate is provided with a first connecting hole corresponding to the flange hole of the first connecting flange;
first flange bolts penetrate through the first connecting holes and corresponding flange holes in the first connecting flange, and the first fixing plate and the first connecting flange are fixedly connected through the first flange bolts;
a second connecting hole is formed in the second fixing plate corresponding to the flange hole in the second connecting flange;
and second flange bolts penetrate through the second connecting holes and corresponding flange holes in the second connecting flange, and the second fixing plate and the second connecting flange are fixedly connected through the second flange bolts.
4. The flexible rubber joint with a spacing structure as claimed in claim 3, wherein the first connection hole has a hole diameter larger than the diameter of the first flange bolt so that a first adjustment gap is formed between the first connection hole and the first flange bolt;
the diameter of the second connecting hole is larger than that of the second flange bolt, so that a second adjusting gap is formed between the second connecting hole and the second flange bolt.
5. The flexible rubber joint with a spacing structure as claimed in claim 1, wherein the spacing member comprises a first spacing rod fastened to the first fixing plate, a second spacing rod fastened to the second fixing plate, and a spring supporting and connecting the first spacing rod and the second spacing rod, and the supporting length of the spacing member has a certain adjustment range through the deformation of the spring.
6. The flexible rubber joint with a spacing structure as claimed in claim 5, wherein the spacing member further comprises a spacing sleeve sleeved outside the first spacing rod, the spring and the second spacing rod, and an adjusting gap is left between an end of the spacing sleeve and the corresponding first fixing plate and the corresponding second fixing plate.
7. The flexible rubber joint with a spacing structure as claimed in claim 1, wherein the spacing member comprises a first spacing tube fastened to the first fixing plate and a second spacing tube fastened to the second fixing plate, the second spacing tube extending into the first spacing tube;
the first limiting pipe is provided with a sliding groove corresponding to the second limiting pipe;
the second limiting pipe is provided with a bulge corresponding to the sliding groove, and the bulge is slidably arranged in the sliding groove;
and the end part of the first limiting pipe is screwed with a stop nut which is used for stopping the protrusion to prevent the protrusion from falling off from the sliding groove.
8. The flexible rubber joint with a spacing structure as claimed in claim 1, further comprising a first mating flange sandwiched between the first connecting flange and the first fixing plate and a second mating flange sandwiched between the second connecting flange and the second fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921340455.2U CN210398041U (en) | 2019-08-16 | 2019-08-16 | Rubber soft joint with limit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921340455.2U CN210398041U (en) | 2019-08-16 | 2019-08-16 | Rubber soft joint with limit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210398041U true CN210398041U (en) | 2020-04-24 |
Family
ID=70338706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921340455.2U Active CN210398041U (en) | 2019-08-16 | 2019-08-16 | Rubber soft joint with limit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210398041U (en) |
-
2019
- 2019-08-16 CN CN201921340455.2U patent/CN210398041U/en active Active
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