CN214534978U - Clamp and pipeline system - Google Patents

Abstract

The utility model discloses a clamp, including first clamp lid and second clamp lid. First clamp lid and second clamp lid are semi-circular structure, promptly the utility model provides a clamp is two half formula structures. When the first clamping groove is clamped around the peripheral parts of the first flange and the second flange, and the second clamping groove is clamped around the peripheral parts of the first flange and the second flange, the first clamp cover and the second clamp cover wrap the peripheral parts of the first flange and the second flange. The two sides of the first clamp cover and the second clamp cover are locked through a locking piece respectively. Because the utility model provides a clamp is both sides fastening, consequently can provide firm chucking power for pipe-line system. Additionally, because the utility model provides a clamp is two half formula structures, consequently lower to the requirement of assembly precision, has reduced the accumulation of error to pipeline system's reliability has been improved. The utility model also discloses a pipe-line system.

Description

Clamp and pipeline system

Technical Field

The utility model relates to a tube coupling technical field, more specifically say, relate to a clamp and pipe-line system.

Background

Clamp structure as an organic whole among the prior art, the inboard of clamp is provided with the draw-in groove, and the draw-in groove is with first flange and second flange chucking. The clamp is wrapped around the peripheries of the first flange and the second flange, and the parts are connected together in a welding mode. One side of the clamp is fastened by the screw, so that the clamp clamps the first flange and the second flange.

However, because the clamp is fastened on one side, the clamping force of the clamp is relatively small, and the rigidity of a pipeline system is insufficient, so that the pipeline system vibrates greatly, and the reliability of connection is not facilitated. In addition, if the accumulated tolerance of the pipeline system is large, the clamp is easy to be subjected to abnormal force, so that the problems of incapability of clamping, welding seam position welding and the like are caused.

Therefore, how to provide a firm and reliable clamping force for the pipeline system is a critical issue to be urgently solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing firm, reliable chucking power for the pipe-line system. In order to realize the purpose, the following technical scheme is provided:

the utility model provides a clamp, includes first clamp lid and second clamp lid, first clamp lid with the medial surface of second clamp lid is provided with first draw-in groove and second draw-in groove respectively, first draw-in groove with the second draw-in groove all is used for the first flange of chucking and second flange, first clamp lid with second clamp lid can the wrapping around first flange with the week portion of second flange, first clamp lid with the both sides of second clamp lid are locked through a retaining member respectively.

Preferably, the both sides of first clamp lid are provided with a first bolt hole respectively, the both sides of second clamp lid are provided with a second bolt hole respectively, lie in with one side first bolt hole with the second bolt hole cooperates with fastening bolt.

Preferably, one of the first bolt hole and the second bolt hole is a smooth hole, and the other is a threaded hole.

Preferably, a first sealing groove and a second sealing groove for installing sealing rings are respectively arranged in the first clamping groove and the second clamping groove, and the sealing rings can wrap around the peripheries of the first flange and the second flange.

Preferably, the seal ring includes an inner portion and an outer portion that are coaxially arranged, and the outer portion is projected toward both ends with respect to the inner portion in the axial direction.

Preferably, the peripheral portions of the first flange and the second flange are V-shaped, and the first clamping groove and the second clamping groove are both V-shaped grooves.

Preferably, the inside of first clamp lid is provided with first stress relief groove, the inside of second clamp lid is provided with second stress relief groove.

Preferably, the number of the first stress release grooves is two, and the two first stress release grooves are respectively arranged on two sides of the first hoop cover along the axial direction; the number of the second stress release grooves is two, and the two second stress release grooves are respectively arranged on two sides of the second clamp cover.

Preferably, the end surfaces of the first flange and the second flange are respectively provided with a convex spigot and a concave spigot.

The utility model also provides a pipe-line system, including the clamp, the clamp is above-mentioned arbitrary clamp.

According to the above technical scheme, first clamp lid and second clamp lid are semi-circular structure, promptly the utility model provides a clamp is two half formula structures. When the first clamping groove is clamped around the peripheral parts of the first flange and the second flange, and the second clamping groove is clamped around the peripheral parts of the first flange and the second flange, the first clamp cover and the second clamp cover wrap the peripheral parts of the first flange and the second flange. The two sides of the first clamp cover and the second clamp cover are locked through a locking piece respectively. Because the utility model provides a clamp is both sides fastening, consequently can provide firm chucking power for pipe-line system. Additionally, because the utility model provides a clamp is two half formula structures, consequently lower to the requirement of assembly precision, has reduced the accumulation of error to pipe-line system's reliability has been improved.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without inventive efforts.

Fig. 1 is a front view of a clamp according to an embodiment of the present invention;

FIG. 2 is a view A-A of FIG. 1;

FIG. 3 is a side view of FIG. 1;

fig. 4 is an enlarged view of a seal ring according to an embodiment of the present invention.

Wherein, 1 is first clamp lid, 2 is second clamp lid, 3 is fastening bolt, 4 is first stress release groove, 5 is first takeover, 6 is the second takeover, 7 is the sealing ring.

Detailed Description

The utility model discloses a clamp, this clamp can provide firm, reliable chucking power for pipe-line system. The utility model also discloses a pipe-line system.

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

The utility model provides a clamp includes first clamp lid 1 and second clamp lid 2. The medial surface of first clamp lid 1 and second clamp lid 2 is provided with first draw-in groove and second draw-in groove respectively. The first clamping groove and the second clamping groove are used for clamping the first flange and the second flange.

First clamp lid 1 and second clamp lid 2 are semi-circular structure, promptly the utility model provides a clamp is two half formula structures. When the first clamping groove is clamped around the periphery of the first flange and the second flange, and the second clamping groove is clamped around the periphery of the first flange and the second flange, the first clamp cover 1 and the second clamp cover 2 wrap the periphery of the first flange and the second flange.

The two sides of the first clamp cover 1 and the second clamp cover 2 are respectively locked through a locking piece. Because the utility model provides a clamp is both sides fastening, consequently can provide firm chucking power for pipe-line system. Additionally, because the utility model provides a clamp is two half formula structures, consequently lower to the requirement of assembly precision, has reduced the accumulation of error to pipeline system's reliability has been improved.

Both sides of the first clip cover 1 and the second clip cover 2 are fastened by fastening bolts 3. Specifically, the two sides of the first clamp cover 1 are respectively provided with a first bolt hole, and the two sides of the second clamp cover 2 are respectively provided with a second bolt hole. The first and second bolt holes located on the same side are fitted with the fastening bolts 3. Namely, the first clip cover 1 and the second clip cover 2 are fastened by two fastening bolts 3.

Further, the portion of the first clip cover 1 where the first bolt hole is provided is a first lug that protrudes radially outward. The second clip cover 2 is provided with a second bolt hole at a portion thereof with a second lug projecting radially outward. When tightened, the first and second lugs are aligned such that the first and second bolt holes are aligned.

Further, in the first bolt hole and the second bolt hole, one bolt hole is a plain hole, and the other bolt hole is a threaded hole. The fastening bolt 3 is screwed into the threaded hole after penetrating through the unthreaded hole.

In order to improve the leakproofness of first flange and second flange joint, the utility model discloses sealing ring 7 has been add. The sealing ring 7 surrounds the peripheries of the first flange and the second flange, and seals the butt seam of the first flange and the second flange in a radial sealing mode. The first clamping groove and the second clamping groove are respectively provided with a first sealing groove and a second sealing groove for mounting the sealing ring 7.

Further, the sealing ring 7 comprises an inner side and an outer side arranged coaxially. The outer portion projects toward both ends with respect to the inner portion in the axial direction. In other words, the cross-sectional shape of the seal ring 7 is T-shaped. Correspondingly, the sections of the first sealing groove and the second sealing groove are also T-shaped. The first sealing groove and the second sealing groove both comprise a large groove and a small groove, the large groove is matched with the outer side part of the sealing ring 7, the small groove is matched with the inner side part of the sealing ring 7, and the large groove is communicated with the small groove. The outside portion of sealing ring 7 is blocked in the macro-groove, so, just can avoid sealing ring 7 to deviate from in first seal groove and the second seal groove to the reliable sealed of sealing ring 7 has been ensured.

In the prior art, a gasket is usually provided at the edge of the end faces of the first flange and the second flange, and this sealing is performed by end face sealing. The end face seal has higher requirements on the processing precision of the first flange and the second flange, and the sealing performance is unstable. And the utility model provides a radial seal has great adjustment volume, and is sealed reliable.

The utility model discloses in, the week portion of first flange and second flange is the V type, and first draw-in groove and second draw-in groove are V type groove. Therefore, the first clamping groove and the second clamping groove are clamped on the peripheral parts of the first flange and the second flange, and then the first flange and the second flange can be axially clamped.

In order to avoid the stress concentration to appear in first clamp lid 1 and the 2 inboards of second clamp lid, the utility model discloses first stress relief groove 4 and second stress relief groove have been set up respectively in first clamp lid 1 and the 2 inboards of second clamp lid.

Further, the number of the first stress release grooves 4 is two, the two first stress release grooves 4 are respectively formed in two sides of the first clamp cover 1 along the axial direction, and the two first stress release grooves 4 respectively penetrate through two end faces of the first clamp cover 1.

In the same way, the two second stress release grooves are arranged on two sides of the second clamp cover 2 along the axial direction, and the two second stress release grooves penetrate through two end faces of the second clamp cover 2 respectively.

The utility model discloses set up protruding tang and concave tang on the terminal surface of first flange and second flange respectively. So, form the location when being convenient for install, prevent the pipeline dislocation.

The utility model also discloses a pipe-line system, including the clamp, this clamp is above-mentioned arbitrary clamp, and above-mentioned clamp has above-mentioned effect, and the pipe-line system who has above-mentioned clamp has above-mentioned effect equally, so this paper is no longer repeated.

Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a clamp, its characterized in that, includes first clamp lid and second clamp lid, first clamp lid with the medial surface of second clamp lid is provided with first draw-in groove and second draw-in groove respectively, first draw-in groove with the second draw-in groove all is used for the first flange of chucking and second flange, first clamp lid with second clamp lid can the wrapping around first flange with the week portion of second flange, first clamp lid with the both sides of second clamp lid are locked through a retaining member respectively.

2. The clamp of claim 1, wherein the first clamp cover is provided with a first bolt hole on each side thereof, the second clamp cover is provided with a second bolt hole on each side thereof, and the first bolt hole and the second bolt hole on the same side thereof are engaged with the fastening bolt.

3. Clamp according to claim 2, wherein one of the first and second bolt holes is a smooth hole and the other is a threaded hole.

4. The clamp of claim 1, wherein the first and second locking grooves have first and second sealing grooves for mounting a sealing ring therein, the sealing ring being wrapped around the periphery of the first and second flanges.

5. Clamp according to claim 4, wherein the sealing ring comprises an inner part and an outer part which are arranged coaxially and which, in the axial direction, project towards both ends with respect to the inner part.

6. The clamp of claim 1, wherein the peripheral portions of the first and second flanges are V-shaped, and the first and second notches are V-shaped.

7. The clamp of claim 1, wherein an inner side of the first clamp cover is provided with a first stress relief groove and an inner side of the second clamp cover is provided with a second stress relief groove.

8. The clamp of claim 7, wherein the first stress relief grooves are two, and two of the first stress relief grooves are provided on both sides of the first clamp cover in the axial direction; the number of the second stress release grooves is two, and the two second stress release grooves are respectively arranged on two sides of the second clamp cover.

9. The clamp of claim 1, wherein the first flange and the second flange have male and female stops on their end faces.

10. A pipe system comprising a clamp band, wherein the clamp band is according to any one of claims 1-9.

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