CN210950290U

CN210950290U - Clamp for pipe fitting connection

Info

Publication number: CN210950290U
Application number: CN201921503968.0U
Authority: CN
Inventors: 袁航星; 殷丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-07-07
Anticipated expiration: 2029-09-10

Abstract

The utility model provides a clamp for pipe fitting connection, which comprises an annular ring, an L-shaped component, a compression component, a central spacer and a locking bolt; the annular ring is a thin-wall ring structure with an opening at the top, and two ends of the opening extend and expand towards two sides respectively to form L-shaped components with symmetrical sides; the L-shaped component is of an inverted L-shaped structure and consists of inclined plates and short plates, a space is formed between the end parts of the short plates on two sides, compression components are arranged on the outer sides of the inclined plates of the L-shaped components on two sides, an adjusting buffer space is formed in the area between the L-shaped components on two sides, and a central spacer is arranged in the adjusting buffer space; the compression member is of a quadrilateral cross-section structure, the inner side surface of the compression member can be matched and attached with the outer side surface of the inclined plate, the bottom surface of the compression member is matched with the surface of the annular ring, and the outer side surface of the compression member is a vertical surface; the central spacer is of a wedge-shaped structure, the width of the top of the central spacer is twice that of the bottom of the central spacer, and the inclined planes on the two sides can be matched and attached to the inner side faces of the inclined plates of the L-shaped components on the two sides.

Description

Clamp for pipe fitting connection

Technical Field

The utility model relates to a pipe connection field especially relates to a clip for pipe connection.

Background

Pipe clamps are commonly used to connect pipes, hoses, and other tubular members together, such as exhaust pipes of automotive exhaust systems. This connection may be a telescopic overlap joint of two tubular members or an end-to-end butt joint. For effective sealing, the connection between the tubular members should provide a suitable seal to prevent leakage. The connection strength provided by the common pipe clamp is not enough, only simple bolt connection is realized, and the disassembly difficulty is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a clip for pipe connection, adopt the utility model discloses a structure, the interval buffer at the radial compact structure and the middle part including both sides cooperates the locking bolt to fix, need not use very big power just can screw completely and can make the clamp force concentrate on the pipe connection department surface, can provide sufficient joint strength and leakproofness in the pipe connection department, and the dismantlement of this clip is very convenient.

In order to achieve the above object, the utility model adopts the following technical scheme: a clamp for pipe fitting connection comprises an annular ring, an L-shaped component, a compression component, a central spacer and a locking bolt; the annular ring is a thin-wall ring structure with an opening at the top, and two ends of the opening extend and expand towards two sides respectively to form L-shaped components with symmetrical sides; the L-shaped component is of an inverted L-shaped structure, the L-shaped components on two sides are respectively connected with two ends of an opening of the annular ring in an inclined mode to form a bending transition area, each L-shaped component is composed of an inclined plate and a short plate, the short plates are connected with the inclined plates through arc surfaces and are perpendicular to the inclined plates, a space is reserved between the end portions of the short plates on two sides, compression components are arranged on the outer sides of the inclined plates of the L-shaped components on two sides, penetrating bolt holes are formed in the middle of the inclined plates, an adjusting buffer space is formed in the area between the L-shaped components on two sides of the two sides, a central spacer is arranged in the adjusting buffer space, and bolt holes; the compression members are of quadrilateral cross-section structures, the inner side faces can be matched and attached with the outer side faces of the inclined plates, the bottom faces are matched with the surfaces of the annular rings, the outer side faces are vertical faces, and bolt holes matched with the L-shaped members on the two sides are formed in the middle of the compression structures on the two sides; the central spacer is of a wedge-shaped structure, the width of the top of the central spacer is twice that of the bottom of the central spacer, and the inclined planes on the two sides can be matched and attached with the inner side surfaces of the inclined plates of the L-shaped components on the two sides; the locking bolt penetrates through the L-shaped components on the two sides, the compression components on the two sides and the central spacer, a screw rod of the locking bolt is composed of a knurled part with the length of 1/3 and a threaded part with the length of 2/3, and the knurled part is arranged close to the end of the bolt cap.

Preferably, the annular ring is internally provided with a sealing gasket matched with the annular ring.

The utility model has the advantages that: adopt the utility model discloses a structure, the interval buffer at radial compact structure and middle part including both sides comes the cooperation locking bolt to fix, need not use very big power just can screw completely and can make the clamp force concentrate on the pipe fitting junction surface, can provide sufficient joint strength and leakproofness in the pipe fitting junction, and the dismantlement of this clip is very convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.

FIG. 1 is a schematic view of a clamp for use in connection with plumbing.

Fig. 2 is a schematic view of an L-shaped member and a compression structure.

Fig. 3 is a schematic view of the clamp when locked.

Wherein: 1 is a clip, 11 is an annular ring, 12 is an adjustment buffer space, 13 is an L-shaped member, 14 is a compression member, 15 is a center spacer, 16 is a locking bolt, 111 is a bending transition area, 131 is a sloping plate, 132 is a short plate, 133 is an arc surface, 141 is a bottom surface, 142 is an inner side surface, 151 is a sloping surface, 161 is a knurled portion, and 162 is a threaded portion.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings 1-3.

As shown in fig. 1 to 3, a clip for pipe connection includes an annular ring 11, an L-shaped member 13, a compression member 14, a central spacer 15, a lock bolt 16; the annular ring 11 is a thin-wall ring structure with an opening at the top, and two ends of the opening extend and expand towards two sides respectively to form L-shaped components 13 with two symmetrical sides; the L-shaped component 13 is of an inverted L-shaped structure, the L-shaped components 13 on two sides are respectively connected with two ends of an opening of the annular ring 11 in an inclined manner to form a bent transition region 111, the L-shaped component 13 is composed of an inclined plate 131 and a short plate 132, the short plate 132 is connected with the inclined plate 131 through an arc surface 133, the short plate 132 and the inclined plate 131 are in a vertical relationship, a space exists between the end parts of the short plates 132 on the two sides, compression components 14 are arranged on the outer sides of the inclined plates 131 of the L-shaped components 13 on the two sides, a through bolt hole is formed in the middle of the inclined plate 131, an adjusting buffer space 12 is formed between the L-shaped components 13 on the two sides, a central spacer 15 is arranged in the adjusting buffer space 12, and; the compression member 14 is of a quadrilateral cross-section structure, the inner side 142 can be matched and attached with the outer side of the inclined plate 131, the bottom surface 141 is matched with the surface of the annular ring 11, the outer side is a vertical surface, and the middle parts of the compression members 14 on two sides are provided with bolt holes matched with the L-shaped members 13 on two sides; the central spacer 15 is in a wedge-shaped structure, the width of the top part is twice of that of the bottom part, and the inclined planes 151 on the two sides can be matched and attached with the inner side surfaces of the inclined plates 131 of the L-shaped components 13 on the two sides; the locking bolt 16 penetrates through the L-shaped members 13 on two sides, the compression members 14 on two sides and the central spacer 15, a screw rod of the locking bolt 16 is composed of a knurled part 161 with the length of 1/3 and a threaded part 162 with the length of 2/3, and the knurled part 161 is arranged close to the bolt cap end.

In specific implementation, a gasket ring matched with the annular ring 11 is arranged in the annular ring 11.

In operation, the locking bolt 16 is positioned outside the threaded portion 162, two pipes are placed in the clamp 1, the locking bolt 16 is rotated, the pressing members 14 on both sides press the L-shaped members 13 on both sides, the inner side surfaces 142 and the bottom surfaces 141 of the pressing members 14 respectively come into contact with the L-shaped members 13 and the annular ring 11, and the inclined plates 131 of the L-shaped members 13 on both sides come into contact with the inclined surfaces 151 on both sides of the central spacer 15 until the locking bolt 16 is locked. The top and bottom of the central spacer 15 may limit the maximum and minimum widths, respectively, when the short plates 132 of the two side L-shaped members 13 are in contact.

Claims

1. A clamp for pipe connections, comprising: comprises an annular ring, an L-shaped component, a compression component, a central spacer and a locking bolt; the annular ring is a thin-wall ring structure with an opening at the top, and two ends of the opening extend and expand towards two sides respectively to form L-shaped components with symmetrical sides; the L-shaped component is of an inverted L-shaped structure, the L-shaped components on two sides are respectively connected with two ends of an opening of the annular ring in an inclined mode to form a bending transition area, each L-shaped component is composed of an inclined plate and a short plate, the short plates are connected with the inclined plates through arc surfaces and are perpendicular to the inclined plates, a space is reserved between the end portions of the short plates on two sides, compression components are arranged on the outer sides of the inclined plates of the L-shaped components on two sides, penetrating bolt holes are formed in the middle of the inclined plates, an adjusting buffer space is formed in the area between the L-shaped components on two sides of the two sides, a central spacer is arranged in the adjusting buffer space, and bolt holes; the compression members are of quadrilateral cross-section structures, the inner side faces can be matched and attached with the outer side faces of the inclined plates, the bottom faces are matched with the surfaces of the annular rings, the outer side faces are vertical faces, and bolt holes matched with the L-shaped members on the two sides are formed in the middle of the compression structures on the two sides; the central spacer is of a wedge-shaped structure, the width of the top of the central spacer is twice that of the bottom of the central spacer, and the inclined planes on the two sides can be matched and attached with the inner side surfaces of the inclined plates of the L-shaped components on the two sides; the locking bolt penetrates through the L-shaped components on the two sides, the compression components on the two sides and the central spacer, a screw rod of the locking bolt is composed of a knurled part with the length of 1/3 and a threaded part with the length of 2/3, and the knurled part is arranged close to the end of the bolt cap.

2. A clip for plumbing connections according to claim 1, wherein: and a sealing ring gasket matched with the annular ring is arranged in the annular ring.