CN215173241U - Bare tube end sealing device - Google Patents

Abstract

The utility model provides a bare tube end sealing device, including support, drive assembly, sealing member. The bracket comprises a positioning plate, and the positioning plate is provided with a positioning hole; the driving assembly comprises a pressing connecting rod and a connecting rod, a linkage plate is arranged at one end, close to the positioning plate, of the connecting rod, a plurality of pressing connecting rods are fixed on the linkage plate, the pressing connecting rods penetrate through the positioning holes and are in sliding fit with the positioning plate, and pressing pieces are arranged at one ends, far away from the linkage plate, of the pressing connecting rods; the sealing member is arranged between the pressing member and the positioning plate. The utility model discloses can make sealing member and naked pipe laminating inseparable, and can realize one set of many accuses simultaneously, and easy operation is laborsaving, can provide production efficiency by a wide margin.

Description

Bare tube end sealing device

Technical Field

The utility model relates to a pipe-line sealing field especially relates to a bare tube end sealing device.

Background

In the prior art, in the production process of pipelines, air tightness detection is a key part, and a sealing plug is a necessary part for realizing end sealing of products. The traditional sealing plug is sealed by matching a metal plug with an O-shaped ring, assembly work is mostly carried out by adopting manual assembly or assembling the end part of a pipeline product after the O-shaped ring is deformed by extruding an auxiliary tool, no chamfer angle is formed at the end part of the pipeline product or the O-shaped ring is attached to the inner wall of the pipeline too tightly due to the fact that the end part is managed, the damage rate of the O-shaped ring is high, and the risk that the O-shaped ring residues enter the inside of the product is easily caused. Moreover, because of different operation proficiency of workers, the O-shaped ring can be damaged during assembly, and the plugging time is long due to manual operation; and in high yield product production, need test more product, operating personnel need overcome the frictional force that O type circle interference fit produced and plug repeatedly, not only can lead to operating personnel's fatigue aggravation, also can lead to O type circle damage aggravation. Meanwhile, the existing product detection can only be operated independently, and a plurality of products cannot be detected simultaneously, so that the production efficiency is influenced. Under the situation that the lean production is normalized, the improvement of the existing problems is urgent.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a bare tube end sealing device can overcome the defect that prior art exists, can realize the quick sealed of product tip, improves sealed effect to easy operation is convenient. The sealing ring is stressed and compressed in the axial direction, so that the sealing ring expands and deforms in the radial direction, and the sealing ring expands and deforms to be tightly attached to the inner wall of the pipeline, and the sealing effect is improved; the number of the compression connecting rods is increased by utilizing the linkage plate, so that a plurality of products can be detected simultaneously; the lever principle is utilized to add the hand lever, so that the operation is easier.

To achieve the above object, the present invention provides an expansion type bare tube end sealing device, which comprises

The support comprises a positioning plate, and a positioning hole is formed in the positioning plate;

the driving assembly comprises a pressing connecting rod and a connecting rod, a linkage plate is arranged at one end, close to the positioning plate, of the connecting rod, a plurality of pressing connecting rods are fixed on the linkage plate, the pressing connecting rods penetrate through the positioning holes and are in sliding fit with the positioning plate, and pressing pieces are arranged at one ends, far away from the linkage plate, of the pressing connecting rods;

and the sealing element is arranged between the pressing piece and the positioning plate.

As an optimized scheme of the utility model, the sealing member is the sealing ring, the sealing ring cross-section is the rectangle.

As a preferred scheme of the utility model, compress tightly the cover on the connecting rod and be equipped with the position sleeve and with it sliding fit, the position sleeve with the locating plate laminating, the sealing member is located compress tightly the piece with between the position sleeve.

As an optimized scheme of the utility model, the connecting rod passes the support and with it sliding fit, the connecting rod tip is connected with the hand lever, the hand lever with the support passes through the spout and connects.

As an optimized scheme of the utility model, it is a plurality of compress tightly the connecting rod diameter and can be different, a plurality of compress tightly a diameter and also can be different.

As an optimized scheme of the utility model, the spout with the support is articulated, the hand lever with the spout is articulated.

As an optimized scheme of the utility model, it is fixed in to compress tightly connecting rod detachable the linkage board.

As an optimized scheme of the utility model, compress tightly the piece and can fix the cover and locate compress tightly the connecting rod tip.

As an optimized scheme of the utility model, compress tightly the piece for compressing tightly the protruding of connecting rod tip, compress tightly a diameter and be greater than compress tightly all the other parts of connecting rod.

As an optimized scheme of the utility model, the linkage board contains the joint seat, the connecting rod tip is equipped with the arch, the connecting rod tip with the joint seat buckle is connected.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) by additionally arranging the linkage plate, the air tightness detection of a plurality of products can be realized, and one set of multi-control is realized.

(2) Through changing O type circle into the sealing ring, can realize radial expansion effect better for the naked pipe of sealing ring laminating is inseparabler, and sealed effect is better.

(3) The pressing connecting rods with different diameters are suitable for various products, and production efficiency is improved.

Drawings

Fig. 1 is a front view of an expansion type bare tube end sealing device provided by the present invention;

fig. 2 is a partial detailed view of an expanded bare tube end seal according to the present invention;

fig. 3 is a perspective view of an expansion type bare tube end sealing device provided by the present invention;

fig. 4 is a top view of an expanded bare tube end seal according to the present invention;

fig. 5 is a schematic view of a disassembled structure of an expanding type bare tube end sealing device 1 according to the present invention;

fig. 6 is a schematic diagram of a disassembled structure of an expanded bare tube end sealing device according to the present invention, fig. 2;

fig. 7 is the utility model provides a naked pipe end sealing device of inflation formula's split structure schematic diagram 3.

Description of the reference symbols

Support 1 drive assembly 2

Connecting rod 21 linkage plate 22

Pressing link 23 pressing piece 231

Positioning hole 111 of positioning plate 11

Locating sleeve 3 and sealing ring 4

Hand lever 5 chute 6

A snap-in seat 7.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. In the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

As shown in fig. 1, fig. 3 and fig. 4, it shows the utility model provides a bare pipe end sealing device, which includes a support 1, a driving assembly 2, a positioning sleeve 3, a sealing ring 4, a hand lever 5, a sliding groove 6 and a clamping seat 7.

As shown in fig. 1 and 2, the driving assembly 2 includes a connecting rod 21, a linkage plate 22, and a pressing link 23. One end of the connecting rod 21 is a cylindrical bulge, the clamping seat 7 is fixedly arranged on the linkage plate 22, and the cylindrical bulge of the connecting rod 21 is connected with the clamping seat 7 in a buckling manner, so that the connecting rod 21 and the linkage plate 22 can be conveniently disassembled and replaced; the other end of the connecting rod 21 passes through the bracket 1, and the connecting rod 21 can axially slide in the bracket 1. As shown in fig. 5, the bracket 1 is provided with a positioning plate 11, five pressing connecting rods 23 are detachably or non-detachably fixed to the linkage plate 22, and the five pressing connecting rods 23 pass through five positioning holes 111 on the positioning plate 11, which are matched with the pressing connecting rods 23. As shown in fig. 3, 6 and 7, the end of the pressing link 23 penetrating through the positioning plate 11 forms a pressing member 231, the pressing link 23 can slide in the positioning plate 11, and the diameter of the pressing member 231 is larger than the rest of the pressing link 23; or the end of the pressing link is fixed on the pressing member 231. The locating sleeve 3 is sleeved on the compressing connecting rod 23 and attached to the locating plate 11, the depth of the compressing connecting rod 23 inserted into the pipe can be increased by the locating sleeve 3, the sealing stability is improved, and looseness of the end connector position in the operation process is avoided. The compressing connecting rod 23 can change the thickness according to the pipe diameter of the bare pipe to be sealed, and the positioning sleeve 3 is matched with the compressing connecting rod 23.

As shown in fig. 3, the connecting rod 21 passes through the bracket 1, the hand lever 5 is hinged to the connecting rod 21, the bracket 1 is hinged to the sliding groove 6, and the sliding groove 6 is hinged to the hand lever 5. The large force applied to the connecting rod 21 can be easily realized by hinging the hand lever 5 and the connecting rod 21, so that the operation is simpler and more labor-saving. The five sealing rings 4 are respectively sleeved on the five pressing connecting rods 23 and are located between the pressing piece 231 and the positioning sleeve 3. 4 cross-sections of sealing ring are the rectangle, compare in prior art's O type circle, when receiving axial extrusion, can be easier the radial inflation deformation of realization and deformation great can maintain better sealed effect.

Five bare pipes are sleeved on five pressing connecting rods 23, when the hand lever 5 is pulled forwards, the hand lever 5 drives the connecting rod 21 to move backwards, the linkage plate 22 is driven to move backwards, meanwhile, the five pressing connecting rods 23 move backwards, the positions of the positioning plate 11 and the positioning sleeve 3 are unchanged, the pressing piece 231 moves backwards, namely, the five sealing rings 4 are extruded between the pressing piece 231 and the positioning sleeve 3, so that the sealing rings 4 are expanded and deformed in the radial direction, the expanded and deformed positions of the sealing rings are tightly attached to the inner wall of the bare pipe, and the sealing effect is achieved. Through the device, the problems that the damage rate of the O-shaped ring is high and residues of the O-shaped ring easily enter the product are solved. And through the utility model discloses a bare pipe tip sealing device, sealing ring 4 can not produce the damage, receive repeated friction scheduling problem, and pulling hand lever sealing ring 4 radial expansion deformation forward realizes sealed promptly, and pulling hand lever sealing ring 4 resumes original form backward, and bare pipe can easily take off

Utilize lever principle through the relation of connection of design hand lever 5, connecting rod 21, spout 6, reach and easily stimulate a hand lever 5 and can drive linkage plate 22 and carry out the seal installation of a plurality of sealing rings 4, solved originally that workman's manual operation quality is not high, the problem that wastes time and energy.

According to the quantity requirement of the sealed bare tube products, a plurality of pressing connecting rods 23 can be arranged on the linkage plate 22, a plurality of matched positioning holes 111 are formed in the positioning plate 11, the sealed installation of a plurality of bare tubes can be realized by one-time operation, and one set of multi-control can be realized. The diameter of the pressing connecting rod 23 can be different according to the different diameters of the sealed bare tube products, so that the diversity and variability of operation are realized.

A plurality of pressing connecting rods 23 with the same size can be installed on one device, a plurality of pressing connecting rods 23 with the same size can be installed on the other device, products close to specifications can adopt the same type of tool, and production efficiency is improved. A plurality of pressing connecting rods 23 with different sizes can be arranged on one set of device, so that the device can be adapted to various products simultaneously, and the operation is more flexible and changeable.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is specific and detailed, but the invention can not be understood as the limitation of the patent scope of the present invention, but all the technical solutions obtained by adopting the equivalent substitution or equivalent transformation should fall within the protection scope of the present invention.

Claims (10)

1. A bare pipe end seal, comprising:

the support comprises a positioning plate, and a positioning hole is formed in the positioning plate;

the driving assembly comprises a pressing connecting rod and a connecting rod, a linkage plate is arranged at one end, close to the positioning plate, of the connecting rod, a plurality of pressing connecting rods are fixed on the linkage plate, the pressing connecting rods penetrate through the positioning holes and are in sliding fit with the positioning plate, and pressing pieces are arranged at one ends, far away from the linkage plate, of the pressing connecting rods;

and the sealing element is arranged between the pressing piece and the positioning plate.

2. A bare tube end seal according to claim 1, wherein the seal is a sealing ring, the sealing ring being rectangular in cross-section.

3. A bare tube end sealing device according to any one of claims 1 or 2, wherein the compressing link is sleeved with a positioning sleeve in sliding fit therewith, the positioning sleeve is attached to the positioning plate, and the sealing member is disposed between the compressing member and the positioning sleeve.

4. A bare tube end seal according to claim 3, wherein the connecting rod passes through and is slidably engaged with the support, the end of the connecting rod is connected to a pull rod, and the pull rod is connected to the support through a sliding groove.

5. A bare tube end seal according to claim 1 or claim 2, wherein a plurality of the hold-down tie rods may have different diameters and a plurality of the hold-down members may have different diameters.

6. A bare tube end seal according to claim 4, wherein the runner is hinged to the support and the pull bar is hinged to the runner.

7. A bare tube end seal according to either of claims 1 or 2, wherein the hold-down link is removably secured to the linkage plate.

8. A bare tube end seal according to either of claims 1 or 2, wherein the compression member is fixedly mounted around the end of the compression link.

9. A bare tube end seal according to either of claims 1 or 2, wherein the compression member is a protrusion from the end of the compression link, the compression member being of a larger diameter than the remainder of the compression link.

10. A bare tube end sealing device according to any one of claims 1 or 2, wherein the linkage plate comprises a snap seat, the end of the connecting rod is provided with a protrusion, and the end of the connecting rod is snap-fitted to the snap seat.

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