CN210510600U

CN210510600U - Clamping sleeve joint device

Info

Publication number: CN210510600U
Application number: CN201921351095.6U
Authority: CN
Inventors: 陈芳枚
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-05-12
Anticipated expiration: 2029-08-19

Abstract

The utility model belongs to the technical field of the cutting ferrule connects, concretely relates to card cup joints device, including connecting the body, nut and cutting ferrule, connect the body and form certain space with nut threaded connection, the cutting ferrule is located this space, the one side that connects the body to be close to the cutting ferrule is provided with first inclined plane, be provided with the conical surface with first inclined plane closely complex on the cutting ferrule, the cutting ferrule with connect and be provided with sealing device between the body, be provided with first blade and second blade on the cutting ferrule. The utility model is provided with the first cutting edge and the second cutting edge, and the cutting sleeve is pushed by the rotating nut, so that the first cutting edge and the second cutting edge on the cutting sleeve are gradually inserted into the surface of the pipeline, thereby fixing the pipeline; by forming the sealing device between the cutting sleeve and the joint body, the reliable sealing performance between the cutting sleeve and the joint body is ensured, and the leakage after the pipeline is connected with the device is prevented.

Description

Clamping sleeve joint device

Technical Field

The utility model belongs to the technical field of the cutting ferrule connects, concretely relates to cutting ferrule connects device.

Background

A ferrule type fitting is a new type of pipe coupling component, and its structural form generally includes a single ferrule structure and a double ferrule structure. The single card cup joints the head by connecting the body, several parts of cutting ferrule and gland nut are constituteed, compare its structure simpler with two cutting ferrule structures, manufacturing and simple to operate, the cost is lower, but utilize an annular blade of cutting ferrule front end to carry out extrusion contact with the cutting ferrule pipe in its use, its leakproofness and bearing capacity receive the restriction, and only one sealing ring between general cutting ferrule and the pipeline, sealed effect is not very good, high at some pipeline pressure, the high use occasion of leakproofness requirement, its connection reliability is difficult to guarantee, the easy seepage that takes place in the in-service use.

Therefore, in order to solve the above problems, a ferrule adapter device with good sealing performance and high connection reliability needs to be designed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a clamping sleeve joint device.

The utility model discloses the technical scheme who adopts does: the utility model provides a joint cover device, includes and connects body, nut and cutting ferrule, connect the body and nut threaded connection and form certain space, the cutting ferrule is located this space, the one side that connects the body to be close to the cutting ferrule is provided with first inclined plane, be provided with the conical surface with first inclined plane closely complex on the cutting ferrule, be provided with sealing device between cutting ferrule and the joint body, be provided with first blade and second blade on the cutting ferrule.

Further, sealing device includes recess, arch and sealed the pad, the body of connecting is close to one side of cutting ferrule and is provided with the recess, the cutting ferrule is close to one side of the body of connecting and is provided with the arch, arch and recess phase-match, sealed the pad setting in the bottom of recess and with recess inner wall interference fit. Sealing device mainly used forms sealedly between joint and the pipeline to the joint, prevent that the liquid in the pipeline from leaking from the junction, sealing device adopts the recess, the setting of arch and sealed pad, contact department at arch and recess sets up sealed the pad, through arch and recess extrusion seal pad, can play very good sealed effect, and recess and bellied structure can form certain stopping, carry highly compressed gas or liquid in the pipeline, also can guarantee sufficient sealed effect, with sealed pad setting in the bottom of recess and with recess inner wall interference fit, can prevent that gas or liquid from leaking from the inner wall of recess, and guarantee sealed pad can form and cover bellied bottom completely, further strengthen sealed effect.

Further, a push ring is further arranged between the clamping sleeve and the nut, the push ring is tightly matched with the clamping sleeve and the nut, a through hole is formed in the push ring, and a locking nail is arranged in the through hole.

Because present cutting ferrule interlock is generally on the pipeline, push the in-process before the cutting ferrule tensioning, the power that acts on the nut is whole to be transmitted to the cutting ferrule on, when the nut is greater than the connector body and when being connected the pipe and to the rotatory resistance of cutting ferrule, the cutting ferrule can lead to the fish tail or destroy sealed faying face along with the nut rotation, causes the leakage accident, consequently still is provided with the throw-out collar between cutting ferrule and nut. With the throw-out collar closely supporting with cutting ferrule and nut, when twisting the nut, the nut promotes the throw-out collar and removes, and the throw-out collar promotes cutting ferrule and connects the body locking, pushes pipeline surface with first blade and second blade on the cutting ferrule simultaneously, realizes the locking to the pipeline. Set up the through-hole on pushing away the ring to set up the check lock nail in the through-hole, can extrude the pipeline surface through screwing up the check lock nail with the check lock nail, realize the further fixed to the pipeline.

Furthermore, a third inclined surface is further arranged on the nut, and the head of the locking nail is a conical surface matched with the third inclined surface. Because the push ring is located the space of nut, consequently the check lock nail also is located the space of nut, for the convenience of screwing up the check lock nail, be provided with the third bevel on the nut to be provided with the conical surface that suits with the third bevel at the head of check lock nail, when screwing the nut, the conical surface of the head of third bevel extrusion check lock nail produces a decurrent extrusion force to the check lock nail, thereby in the surface of squeezing the check lock nail into the pipeline, the realization is fixed to the pipeline.

Further, a sealing ball is arranged between the first cutting edge and the joint body. Because the leakproofness between pipeline and cutting ferrule connects mainly depends on cutting ferrule and the joint body and pipeline and the sealed degree between the joint body, because in order to further improve sealed effect, be provided with the ball sealer between first blade and the joint body, the ball sealer is located pipeline, cutting ferrule and joint body three, consequently the ball sealer can realize cutting ferrule and joint body, pipeline and the joint body, pipeline and cutting ferrule between sealed, consequently set up the ball sealer and can greatly improve the sealed effect of three junctions.

Furthermore, a pushing block is arranged between the first cutting edge and the sealing ball. Because first blade needs to cut into the pipeline surface and realize the sealed to the pipeline, consequently first blade is certain slope form, for the convenience of realizing good contact nature between ball sealer and the cutting ferrule, be provided with the ejector pad between first blade and ball sealer, the shape of ejector pad suits between the shape and first blade and the joint body, when the cutting ferrule is promoted, the cutting ferrule promotes the ejector pad and removes to the direction of ball sealer, the ejector pad extrudees the ball sealer, the ball sealer produces deformation between joint body, pipeline and ejector pad, form sealedly.

Furthermore, the cutting ferrule and the push ring are made of integrally formed stainless steel. Because cutting ferrule and throw-out collar can work under high temperature or high pressure environment sometimes, therefore cutting ferrule and throw-out collar must can adapt to this kind of environment, otherwise can lead to connecting or sealed inefficacy because produce deformation under high temperature or high pressure, consequently, in order to guarantee that cutting ferrule and throw-out collar have sufficient intensity, adopt integrated into one piece's stainless steel cutting ferrule and throw-out collar.

Furthermore, a second inclined plane is arranged in the nut, and an inclined plane which is tightly matched with the second inclined plane is arranged on the push ring. Because the compressing tightly of cutting ferrule is through screwing up the nut, push away the ring through the nut extrusion, then push away the cutting ferrule through pushing away the ring extrusion, thereby realize the cutting ferrule and connect being connected between the body, when screwing up the nut in order to guarantee, the nut can promote to push away the ring and move towards the direction of cutting ferrule, be provided with the second inclined plane in the nut, and set up the inclined plane that closely cooperates with the second inclined plane on pushing away the ring, when screwing up the nut, the power on the nut can transmit on pushing away the ring through the second inclined plane, form the thrust on the horizontal direction, the inclined plane that sets up the second inclined plane and closely cooperate with the second inclined plane is favorable to the transmission of power.

Furthermore, the joint body is provided with two grooves, and the clamping sleeve is correspondingly provided with two bulges. In order to further strengthen sealing device's sealed effect, be provided with two recesses on the body that connects to also correspond on the cutting ferrule and be provided with two archs, through setting up two recesses and bellied cooperation structure, form double-deck seal structure, improve sealed effect, in addition, when facing highly compressed fluid, two recesses and bellied cooperation structure can form certain buffering, make this device can adapt to more highly compressed operational environment, and guarantee good working effect.

The utility model has the advantages that:

1. the utility model is provided with the first cutting edge and the second cutting edge, and the cutting sleeve is pushed by the rotating nut, so that the first cutting edge and the second cutting edge on the cutting sleeve are gradually inserted into the surface of the pipeline, thereby fixing the pipeline; by forming the sealing device between the cutting sleeve and the joint body, the reliable sealing performance between the cutting sleeve and the joint body is ensured, and the leakage after the pipeline is connected with the device is prevented.

2. The sealing device is ensured to have enough sealing performance by arranging the matching structure of the groove and the protrusion between the clamping sleeve and the joint body and arranging the sealing gasket between the groove and the protrusion.

3. The push ring is arranged between the clamping sleeve and the nut, the through hole is formed in the push ring, the locking nail is installed in the through hole, the push ring is used for transmitting the thrust of the nut to the clamping sleeve, and the locking nail is downwards extruded to be inserted into the surface of a pipeline, so that the pipeline is fixed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is an enlarged schematic view at B of FIG. 1;

fig. 4 is a schematic structural view of the card sleeve of the present invention;

in the figure: 1-a joint body; 2-a nut; 3, cutting the ferrule; 4-pushing a ring; 5-a pipeline; 6-sealing ball; 7-a push block; 8-locking nails; 9-a sealing gasket; 11-a first bevel; 12-a groove; 21-a second bevel; 22-a third bevel; 31-a first cutting edge; 32-a second cutting edge; 33-convex.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example 1:

as shown in fig. 1-4, a ferrule 3 connector device comprises a connector body 1, a nut 2 and a ferrule 3, wherein the connector body 1 is in threaded connection with the nut 2 to form a certain space, the ferrule 3 is located in the space, a first inclined surface 11 is arranged on one side of the connector body 1 close to the ferrule 3, a conical surface tightly matched with the first inclined surface 11 is arranged on the ferrule 3, a sealing device is arranged between the ferrule 3 and the connector body 1, and a first cutting edge 31 and a second cutting edge 32 are arranged on the ferrule 3.

The utility model arranges the first cutting edge 31 and the second cutting edge 32 on the cutting sleeve 3, and the cutting sleeve 3 is pushed by the rotary nut 2, so that the first cutting edge 31 and the second cutting edge 32 on the cutting sleeve 3 are gradually inserted into the surface of the pipeline 5, thereby fixing the pipeline 5; through forming sealing device between cutting ferrule 3 and the body 1 that connects, guarantee reliable sealing performance between cutting ferrule 3 and the body 1 that connects, prevent that pipeline 5 from being connected the back with this device and taking place to leak.

Example 2:

as the utility model discloses a preferred technical scheme, on embodiment 1's basis, sealing device includes recess 12, arch 33 and sealed pad 9, the one side that connects the body 1 to be close to cutting ferrule 3 is provided with recess 12, one side that cutting ferrule 3 is close to the joint body 1 is provided with arch 33, arch 33 and recess 12 phase-match, sealed pad 9 sets up in the bottom of recess 12 and with recess 12 inner wall interference fit. The sealing device is mainly used for sealing between the joint of the clamping sleeve 3 and the pipeline 5, and preventing liquid in the pipeline 5 from leaking from the joint, the sealing device adopts the grooves 12, the protrusions 33 and the sealing gaskets 9, the sealing gaskets 9 are arranged at the contact positions of the protrusions 33 and the grooves 12, the sealing gaskets 9 are extruded by the protrusions 33 and the grooves 12, a good sealing effect can be achieved, the grooves 12 and the protrusions 33 can form certain blocking, when high-pressure gas or liquid is conveyed in the pipeline 5, a sufficient sealing effect can be guaranteed, the sealing gaskets 9 are arranged at the bottoms of the grooves 12 and are in interference fit with the inner walls of the grooves 12, the gas or the liquid can be prevented from leaking from the inner walls of the grooves 12, the sealing gaskets 9 can be guaranteed to completely cover the bottoms of the protrusions 33, and the sealing effect is further enhanced.

Still be provided with push ring 4 between cutting ferrule 3 and nut 2, push ring 4 closely cooperates with cutting ferrule 3 and nut 2, be provided with the through-hole on the push ring 4, be provided with lock pin 8 in the through-hole. Because present cutting ferrule 3 is the interlock on pipeline 5 generally, push the in-process before the tensioning of cutting ferrule 3, the power that acts on nut 2 is all transmitted to cutting ferrule 3, when nut 2 is greater than the connector body 1 to 3 pivoted drive forces of cutting ferrule and by the resistance of connecting the pipe to cutting ferrule 3 rotation, cutting ferrule 3 can lead to the fish tail or destroy sealed faying face along with nut 2 rotation, causes the leakage accident, consequently still is provided with push ring 4 between cutting ferrule 3 and nut 2. With push ring 4 closely cooperating with cutting ferrule 3 and nut 2, when screwing nut 2, nut 2 promotes push ring 4 and removes, and push ring 4 promotes cutting ferrule 3 and connects 1 locking of body, pushes pipeline 5 surface with first blade 31 and the second blade 32 on the cutting ferrule 3 simultaneously, realizes the locking to pipeline 5. Set up the through-hole on pushing away ring 4 to set up check lock nail 8 in the through-hole, can extrude pipeline 5 surface with check lock nail 8 through screwing up check lock nail 8, realize the further fixed to pipeline 5.

Example 3:

as a preferred technical solution of the present invention, on the basis of embodiment 1, a sealing ball 6 is provided between the first cutting edge 31 and the joint body 1. Because the leakproofness between the pipe 5 and the joint of the ferrule 3 mainly depends on the sealing degrees between the ferrule 3 and the joint body 1 and between the pipe 5 and the joint body 1, and because the sealing ball 6 is arranged between the first cutting edge 31 and the joint body 1 for further improving the sealing effect, the sealing ball 6 is positioned among the pipe 5, the ferrule 3 and the joint body 1, the sealing between the pipe 5 and the joint body 1, and the sealing between the pipe 5 and the ferrule 3 can be realized by the sealing ball 6, and the sealing effect at the joint of the three can be greatly improved by the sealing ball 6.

A push block 7 is arranged between the first cutting edge 31 and the sealing ball 6. Because first blade 31 needs to cut into the pipeline 5 surface and realize the sealed of pipeline 5, consequently first blade 31 is certain slope form, in order to facilitate the contact nature that realizes between sealed ball 6 and the cutting ferrule 3 well, be provided with ejector pad 7 between first blade 31 and sealed ball 6, the shape of ejector pad 7 suits between first blade 31 and the joint body 1, when cutting ferrule 3 was promoted, cutting ferrule 3 promoted ejector pad 7 and moved to the direction of sealed ball 6, ejector pad 7 extrusion sealed ball 6, sealed ball 6 produces deformation between joint body 1, pipeline 5 and ejector pad 7, form sealedly.

Example 4:

Sealing device includes recess 12, arch 33 and sealed pad 9, the one side that connects the body 1 to be close to cutting ferrule 3 is provided with recess 12, one side that cutting ferrule 3 is close to the joint body 1 is provided with arch 33, arch 33 and recess 12 phase-match, sealed pad 9 sets up in the bottom of recess 12 and with recess 12 inner wall interference fit. The sealing device is mainly used for sealing between the joint of the clamping sleeve 3 and the pipeline 5, and preventing liquid in the pipeline 5 from leaking from the joint, the sealing device adopts the grooves 12, the protrusions 33 and the sealing gaskets 9, the sealing gaskets 9 are arranged at the contact positions of the protrusions 33 and the grooves 12, the sealing gaskets 9 are extruded by the protrusions 33 and the grooves 12, a good sealing effect can be achieved, the grooves 12 and the protrusions 33 can form certain blocking, when high-pressure gas or liquid is conveyed in the pipeline 5, a sufficient sealing effect can be guaranteed, the sealing gaskets 9 are arranged at the bottoms of the grooves 12 and are in interference fit with the inner walls of the grooves 12, the gas or the liquid can be prevented from leaking from the inner walls of the grooves 12, the sealing gaskets 9 can be guaranteed to completely cover the bottoms of the protrusions 33, and the sealing effect is further enhanced.

The nut 2 is further provided with a third inclined surface 22, and the head of the locking nail 8 is a conical surface matched with the third inclined surface 22. Because the ejector ring 4 is located the space of nut 2, consequently, the check lock 8 also is located the space of nut 2, for the convenience of screwing up check lock 8, be provided with third inclined plane 22 on nut 2, and be provided with the conical surface that suits with third inclined plane 22 at the head of check lock 8, when screwing up nut 2, the conical surface of the head of third inclined plane 22 extrusion check lock 8, produce a decurrent extrusion force to check lock 8, thereby in squeezing into the surface of pipeline 5 with check lock 8, realize the fixed to pipeline 5.

A sealing ball 6 is arranged between the first cutting edge 31 and the joint body 1. Because the leakproofness between the pipe 5 and the joint of the ferrule 3 mainly depends on the sealing degrees between the ferrule 3 and the joint body 1 and between the pipe 5 and the joint body 1, and because the sealing ball 6 is arranged between the first cutting edge 31 and the joint body 1 for further improving the sealing effect, the sealing ball 6 is positioned among the pipe 5, the ferrule 3 and the joint body 1, the sealing between the pipe 5 and the joint body 1, and the sealing between the pipe 5 and the ferrule 3 can be realized by the sealing ball 6, and the sealing effect at the joint of the three can be greatly improved by the sealing ball 6.

The cutting sleeve 3 and the push ring 4 are made of integrally formed stainless steel. Since the ferrule 3 and the push ring 4 sometimes work in a high-temperature or high-pressure environment, the ferrule 3 and the push ring 4 must be adapted to the environment, otherwise, the connection or the sealing is failed due to the deformation at the high temperature or the high pressure, and therefore, in order to ensure that the ferrule 3 and the push ring 4 have sufficient strength, the integrally formed stainless steel ferrule 3 and the push ring 4 are adopted.

A second inclined plane 21 is arranged in the nut 2, and an inclined plane tightly matched with the second inclined plane 21 is arranged on the push ring 4. Because the compressing tightly of cutting ferrule 3 is through screwing up nut 2, push away the ring 4 through nut 2 extrusion, then extrude cutting ferrule 3 through push away ring 4, thereby realize cutting ferrule 3 and the connection between the connector body 1, when screwing up nut 2 in order to guarantee, nut 2 can promote push away the ring 4 and remove towards the direction of cutting ferrule 3, be provided with second inclined plane 21 in nut 2, and set up the inclined plane that closely cooperates with second inclined plane 21 on push away ring 4, when screwing up nut 2, the power on the nut 2 can be passed through second inclined plane 21 and transmit on push away ring 4, form the thrust on the horizontal direction, the inclined plane that sets up second inclined plane 21 and closely cooperate with second inclined plane 21 is favorable to the transmission of power.

The connector body 1 is provided with two grooves 12, and the ferrule 3 is correspondingly provided with two bulges 33. In order to further strengthen the sealing effect of the sealing device, two grooves 12 are arranged on the connector body 1, two bulges 33 are correspondingly arranged on the clamping sleeve 3, a double-layer sealing structure is formed by the matching structure of the two grooves 12 and the bulges 33, the sealing effect is improved, and in addition, when the high-pressure fluid is faced, certain buffering can be formed by the matching structure of the two grooves 12 and the bulges 33, so that the sealing device can adapt to higher working environment and ensure good working effect.

The matching structure of the groove 12 and the protrusion 33 is arranged between the cutting sleeve 3 and the joint body 1, and the sealing gasket 9 is arranged between the groove 12 and the protrusion 33, so that the sealing device has enough sealing performance.

Through set up throw-out collar 4 between cutting ferrule 3 and nut 2, set up the through-hole on throw-out collar 4 to install check lock nail 8 in the through-hole, throw-out collar 4 is used for transmitting the thrust of nut 2 to cutting ferrule 3, extrudees check lock nail 8 downwards and inserts 5 surfaces of pipeline, realizes fixing pipeline 5.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. The utility model provides a joint device is cup jointed to card, includes and connects body (1), nut (2) and cutting ferrule (3), connect body (1) and nut (2) threaded connection and form certain space, cutting ferrule (3) are located this space, its characterized in that: one side of the connector body (1) close to the clamping sleeve (3) is provided with a first inclined surface (11), the clamping sleeve (3) is provided with a conical surface tightly matched with the first inclined surface (11), a sealing device is arranged between the clamping sleeve (3) and the connector body (1), and the clamping sleeve (3) is provided with a first cutting edge (31) and a second cutting edge (32).

2. The cartridge connector apparatus according to claim 1, wherein: sealing device includes recess (12), arch (33) and sealed pad (9), the one side that connects body (1) to be close to cutting ferrule (3) is provided with the recess, one side that cutting ferrule (3) are close to the joint body (1) is provided with arch (33), arch (33) and recess (12) phase-match, sealed pad (9) set up in the bottom of recess (12) and with recess (12) inner wall interference fit.

3. A cartridge connector apparatus according to claim 1 or 2, wherein: still be provided with between cutting ferrule (3) and nut (2) and push away ring (4), push away ring (4) and cutting ferrule (3) and nut (2) closely cooperate, be provided with the through-hole on push away ring (4), be provided with in the through-hole and lock pin (8).

4. The cartridge connector apparatus according to claim 3, wherein: the nut (2) is further provided with a third inclined surface (22), and the head of the locking nail (8) is a conical surface matched with the third inclined surface (22).

5. A cartridge connector apparatus according to claim 1 or 2, wherein: and a sealing ball (6) is arranged between the first cutting edge (31) and the joint body (1).

6. The cartridge connector apparatus according to claim 5, wherein: a push block (7) is arranged between the first cutting edge (31) and the sealing ball (6).

7. The cartridge connector apparatus according to claim 3, wherein: the cutting sleeve (3) and the push ring (4) are made of integrally formed stainless steel.

8. The cartridge connector apparatus according to claim 3, wherein: a second inclined plane (21) is arranged in the nut (2), and an inclined plane tightly matched with the second inclined plane (21) is arranged on the push ring (4).

9. The cartridge connector apparatus according to claim 2, wherein: the connector is characterized in that two grooves (12) are formed in the connector body (1), and two bulges (33) are correspondingly formed in the clamping sleeve (3).