CN217540006U - Rotatable joint - Google Patents

Abstract

The utility model discloses a rotatable joint, which comprises an upper joint and a lower joint, wherein one side of the upper joint is provided with a lower clamping groove, a snap ring is arranged in the lower clamping groove, and an upper clamping groove corresponding to the lower clamping groove is arranged in the lower joint; the clamping ring is provided with a notch; the upper joint is also provided with an installation groove, the lower joint is provided with an installation platform corresponding to the installation groove, and a sealing element is arranged between the installation groove and the installation platform; the utility model discloses an open the snap ring that has the notch and realize being connected between top connection and the lower clutch, it is more convenient to let rotary joint's assembly, and when the yields is higher, the leakproofness is also higher to be connected also more firm.

Description

Rotatable joint

Technical Field

The utility model relates to the electrical accessories field, concretely relates to rotatable joint.

Background

With the development and progress of industry, various production equipment is more and more complex, various accessories of the corresponding equipment are more and more, and the structures of the accessories are more and more complex; among the various types of electrical fittings, the connector is undoubtedly a very important type of fitting, and the connector plays a role in connecting a plurality of structural members. The rotary joint is a special joint, can rotate 360 degrees and can convey media, and comprises two parts, one part can be connected with a steel pipe through a threaded connection end, the other part can be connected with a rubber pipe in a sleeved or threaded manner, the two parts are combined when the rotary joint is machined, a section of steel wire is required to be inserted into the rotary joint to form a part with two parts overlapped, and the rotary joint is ensured to rotate.

However, most of the existing connection modes of the rotary joint on the market adopt two brass stamping deformation modes to realize the installation and combination of two parts of the rotary joint, the yield is low, the connection effect is very unstable, and the problems of sealing performance and smooth rotation are also great; therefore, a new rotary joint is urgently needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A rotatable joint comprises an upper joint and a lower joint, wherein a lower clamping groove is formed in the outer side surface of one side of the upper joint, a clamping ring is arranged in the lower clamping groove, and an upper clamping groove is formed in the inner side surface of the lower joint corresponding to the lower clamping groove; the clamping ring is provided with a notch; the top connection still is equipped with the mounting groove, the lower clutch is provided with the mount table corresponding to the mounting groove, the mounting groove with still be provided with the sealing member between the mount table.

Preferably, the sealing element comprises a main sealing ring, and the main sealing ring is assembled in the lower sealing groove of the mounting table and is in fit connection with the inner side of the mounting groove.

Preferably, the lower joint is provided with a lower thread on the inner side of the side far away from the upper joint, and the lower thread is used for connecting other components.

Preferably, the upper joint is provided with an upper thread on the outer side of the side far away from the lower joint, and the upper thread is used for connecting other components.

Preferably, the upper joint with all be provided with the hexagon head on the lower clutch, the hexagon head is convenient for rotate upper joint or lower clutch.

Preferably, the upper joint is further provided with a secondary sealing ring, and the secondary sealing ring is used for sealing the connection between the upper joint and the component.

Preferably, the snap ring is made of polyformaldehyde.

Preferably, the main sealing ring or the auxiliary sealing ring is made of ethylene propylene rubber.

Preferably, the upper joint and the lower joint are integrally formed by lead brass.

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

1. in the rotatable joint of the utility model, the snap ring is provided with the notch, and the snap ring is extruded, contracted and deformed in the process of installing the upper joint and the lower joint, thereby facilitating the assembly work of the upper joint and the lower joint; and when lower joint and top connection assemble smoothly, also when last draw-in groove and lower draw-in groove correspond, the deformation of snap ring is retrieved and is blocked in last draw-in groove, realizes the swivelling joint of top connection and lower joint, when the installation is more convenient, the yields is also higher.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

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

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

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a schematic diagram of the explosion structure of the present invention.

In the figure: 1. a lower joint; 2. a snap ring; 3. a primary seal ring; 4. an upper joint; 5. a secondary seal ring; 6. a lower clamping groove; 7. an upper clamping groove; 8. a notch; 9. a lower seal groove; 10. lower threads; 11. screwing; 12. a hexagonal head; 13. mounting grooves; 14. and (7) mounting a table.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described in the following can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 3, in an embodiment of the present invention, a rotatable joint includes an upper joint 4 and a lower joint 1, a lower clamping groove 6 is formed in the outer side surface of one side of the upper connector 4, a clamping ring 2 is arranged in the lower clamping groove 6, and an upper clamping groove 7 is formed in the inner side surface of the lower connector 1 corresponding to the lower clamping groove 6; the clamping ring 2 is provided with a notch 8; the top connection 4 still is equipped with mounting groove 13, and lower clutch 1 is provided with mount table 14 corresponding to mounting groove 13, mounting groove 13 with still be provided with the sealing member between the mount table 14.

It should be noted that, in some embodiments, the snap ring 2 is a split ring with a notch 8, the snap ring 2 is placed in the lower snap groove 6, then the end of the upper joint 4 is pushed to the inner side of the lower joint 1 for assembly, the snap ring 2 is compressed under the extrusion of the inner side wall of the lower joint 1, the notch 8 becomes smaller, the outer diameter of the snap ring 2 also becomes smaller, the end of the upper joint 4 can smoothly enter the inner side of the lower joint 1, and when the lower snap groove 6 of the upper joint 4 and the upper snap groove 7 of the inner side of the lower joint 1 correspond to each other, the snap ring 2 loses external pressure, the snap ring 2 can be quickly restored to the original state and is snapped into the upper snap groove 7, so that stable rotary connection between the upper joint 4 and the lower joint 1 is realized; the snap ring 2 has good strength and rigidity and good mechanical property, so that the upper joint 4 and the lower joint 1 are more convenient to assemble and higher in efficiency, the connection between the upper joint 4 and the lower joint 1 is more stable, the separation phenomenon cannot occur, and the yield is higher.

It should be noted that the cooperation between the mounting platform 14 and the mounting groove can make the sealing effect between the rotary joints better, the connection more stable, and the rotation more smooth.

The sealing element comprises a main sealing ring 3, wherein the main sealing ring 3 is assembled in a lower sealing groove 9 of the mounting table 14 and is matched and connected with the inner side of the mounting groove 13.

It should be noted that the main seal ring 3 is used for sealing the connection between the upper joint 4 and the lower joint 1, so as to avoid the leakage of the conveying medium and improve the conveying safety; the primary seal ring 3 has a certain elasticity and can deform during the installation process so as to facilitate the smooth assembly between the upper joint 4 and the lower joint 1.

The lower joint 1 is provided with a lower thread 10 on the inner side of the side away from the upper joint 4, and the lower thread 10 is used for connecting other components.

The upper joint 4 is provided with an upper thread 11 on the outer side of the side away from the lower joint 1, and the upper thread 11 is used for connecting other components.

It should be noted that the upper thread 11 and the lower thread 10 are used for connecting the components, and in other embodiments, other connecting methods such as sleeving connection may be used for connecting the components. But compared with other connection modes, the threaded connection is more convenient, quicker, more stable and firmer in the connection of the pipe fittings.

The top connection 4 with all be provided with hexagonal head 12 on the lower clutch 1, hexagonal head 12 is convenient for rotate top connection 4 or lower clutch 1.

The upper joint 4 is also provided with a secondary sealing ring 5, and the secondary sealing ring 5 is used for sealing the connection between the upper joint 4 and the component.

It should be noted that, in some embodiments, the upper joint 4 is further provided with a secondary sealing ring 5, and the secondary sealing ring 5 can seal the connection between the upper joint 4 and the member, so that the delivery process of the posting medium is safe, and the leakage of the medium is avoided; in other embodiments, a secondary sealing ring 5 is also arranged between the lower joint 1 and the component for sealing, so that the sealing effect of the rotating structure is further improved.

The snap ring 2 is made of polyformaldehyde.

The main sealing ring 3 or the auxiliary sealing ring 5 is made of ethylene propylene rubber.

The upper joint 4 and the lower joint 1 are integrally machined and formed by lead brass.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (9)

1. A rotatable joint comprises an upper joint and a lower joint and is characterized in that a lower clamping groove is formed in the outer side surface of one side of the upper joint, a clamping ring is arranged in the lower clamping groove, and an upper clamping groove is formed in the inner side surface of the lower joint corresponding to the lower clamping groove; the clamping ring is provided with a notch; the top connection still is equipped with the mounting groove, the lower clutch is provided with the mount table corresponding to the mounting groove, the mounting groove with still be provided with the sealing member between the mount table.

2. The rotatable joint of claim 1, wherein the seal comprises a primary seal ring that fits within the lower seal groove of the mounting block and is matingly coupled to the inside of the mounting groove.

3. The rotatable joint of claim 1, wherein the lower joint is provided with a lower thread on an inner side of a side remote from the upper joint.

4. The rotatable joint of claim 1 wherein the upper joint is provided with an upper thread on an outer side of a side remote from the lower joint.

5. The rotatable joint of claim 1 wherein a hex head is provided on each of the upper joint and the lower joint, the hex head facilitating rotation of either the upper joint or the lower joint.

6. The rotatable joint of claim 2, wherein the upper joint further comprises a secondary seal ring disposed thereon for sealing the connection between the upper joint and the member.

7. The rotatable joint of claim 1 wherein said snap ring is formed of polyoxymethylene.

8. The rotatable joint of claim 6, wherein the primary or secondary seal ring is made of ethylene propylene rubber.

9. The rotatable joint of claim 1 wherein said upper joint and said lower joint are integrally formed of lead brass.

Images