CN218762074U - Elbow for pneumatic element - Google Patents

Abstract

The utility model relates to a technical field of trachea connecting piece discloses an elbow for pneumatic element, it is including connecting and curved plug-in components, curved plug-in components include the insertion section and the intercommunication section of fixed connection and intercommunication, the one end that connects is seted up and is supplied the insertion section male chamber that holds, fixedly connected with sand grip on the inner wall that holds the chamber, fixedly connected with is located the joint strip that the sand grip orientation held chamber bottom one side with the sand grip adaptation in the insertion section, set up many and the compartment groove that holds the chamber intercommunication on the joint. This application through set up connect, insert section, intercommunication section, hold the chamber, reduced the difficult condition emergence of separating of curved plug-in components and joint, and then reached the staff of being convenient for and will bend the plug-in components and connect the effect of carrying out the separation.

Description

Elbow for pneumatic element

Technical Field

The utility model belongs to the technical field of the technique of trachea connecting piece and specifically relates to an elbow for pneumatic element.

Background

The pneumatic element is an element which applies work by the pressure or force generated by expansion of gas, i.e. a workpiece which converts the elastic capacity of compressed air into kinetic energy, and is most commonly a cylinder, a cylinder motor and the like in daily life. The pneumatic element is usually provided with a connecting piece which is convenient for communicating the air pipe with the pneumatic element, and the connecting piece is generally an elbow, a tee joint and the like.

In the related art, for example, chinese utility model patent with publication number CN208845944U discloses an elbow for pneumatic element, which includes a joint and a curved plug-in unit, the curved plug-in unit includes an insertion section, the end of the insertion section is coaxially provided with an inner connecting ring, the joint includes an insertion end, at least one hook is provided on the inner side surface of the insertion end, the hooks are uniformly distributed around the axis of the insertion end, and the inner connecting ring is inserted to the side of the hook opposite to the insertion end along the axis of the insertion end, one side of the hook facing the axis of the insertion end or one side of the hook close to the axis is less than the outer diameter of the inner connecting ring. The inner side of the hook is provided with an abutting part along the axis of the hook, a clamping edge coaxial with the hook is arranged in the abutting part, the clamping edge of the abutting part is unique, and the distance from the clamping edge to the axis of the hook is the minimum distance from any point on the hook to the axis of the hook.

When using above-mentioned elbow, the air inlet department threaded connection that will connect and pneumatic element is in the same place, then is in the same place trachea and switch-on section fixed connection, inserts the insertion end in will inserting the section again, inserts to couple when the grafting end axle center is followed to the inner ring, and the lateral surface of block limit low pressure inner ring is embedded wherein, then forms interference fit, strengthens the fixed of inner ring and couple, and then reduces curved plug-in components and vibration and become flexible the breaking away from along pneumatic element.

In view of the above-mentioned related art, the inventor believes that there is a defect that it is inconvenient for a worker to disassemble the bent insert and the joint when the bent insert and the joint need to be disassembled due to the interference fit formed therebetween.

SUMMERY OF THE UTILITY MODEL

In order to alleviate the problem that inconvenient staff dismantled it when dismantling curved plug-in components and joint, this application provides an elbow for pneumatic element.

The application provides an elbow for pneumatic element adopts following technical scheme:

the utility model provides an elbow for pneumatic element, includes the joint and bends the plug-in components, bend the plug-in components and include the insertion section and the intercommunication section of fixed connection and intercommunication, the confession has been seted up to the one end that connects the inserted chamber that holds of insertion section, fixedly connected with sand grip on the inner wall that holds the chamber, insert on the section fixedly connected with the sand grip adaptation is located the sand grip orientation hold the joint strip of chamber end one side, connect seted up many with hold the partition groove of chamber intercommunication.

By adopting the technical scheme, when the pneumatic element is connected with the air pipe, the joint is firstly connected to the air inlet of the pneumatic element, then the air pipe is connected to the communicating section, the inserting section and the joint are aligned, force towards the joint direction is applied to the inserting section, then the inserting section moves towards the direction close to the joint, the inserting section is inserted into the joint, and the clamping strip and the convex strip are clamped together; when inserting section plug-in connector, joint strip extrudees the joint to make the joint of separating groove department warp, the joint strip on the insertion section crosses the sand grip, connects and resumes deformation, realizes the connection of curved plug-in components and joint promptly.

When separating curved plug-in components and joint, the staff can directly apply the power of keeping away from the joint direction to curved plug-in components, then make the angle plug move towards keeping away from the joint direction, the section of inserting drives joint strip motion, the joint strip extrudees the sand grip, the branch groove department that connects takes place to warp, the section of inserting breaks away from and goes out from the joint, accomplish the separation work of curved plug-in components and joint promptly, this in-process has reduced the difficult condition emergence of separating of curved plug-in components and joint, and then reached the staff of being convenient for and will bend the plug-in components and the effect that the joint separates.

Optionally, a locking ring is slidably connected to an outer portion of the joint, and a circumferential surface of the joint is in contact with an inner circumferential surface of the locking ring.

Through adopting above-mentioned technical scheme, to insert the section and insert back in the joint, the orientation is close to the direction slip lock ring of intercommunication section, then make the lock ring orientation be close to the direction motion of intercommunication section, the lock ring takes place relative slip with connecting, thereby make the lock ring move to the position that connects to offer the separating groove, make the lock ring set up the separating groove position to the joint and carry on spacingly, it leads to the circumstances emergence of curved plug-in components and the easy separation of joint to reduce to connect to set up separating groove position deformation, and then increase the stability of being connected of curved plug-in components and joint.

Optionally, the cross-sections of the convex strips and the clamping strips parallel to the radial direction of the clamping strips are both triangular.

Through adopting above-mentioned technical scheme, all set up the cross-section of sand grip and joint strip into triangle-shaped, can be so that when the lock ring orientation was close to the direction motion of intercommunication section, the power towards self central axis direction was applyed to the position that the partition groove was seted up to the lock ring butt joint to make the position deformation that the joint was seted up the partition groove and exert pressure to the joint strip, make the joint strip move towards the direction of keeping away from the intercommunication section under the effect of sand grip, and then increase the connection leakproofness of curved plug-in components and joint.

Optionally, a limiting ring used for limiting the locking ring is fixedly connected to the end of the joint, and the separation groove extends to the limiting ring.

Through adopting above-mentioned technical scheme, behind the position at spacing ring place when the lock ring moved, the spacing ring was spacing to the lock ring, reduced the locking promptly and connect the condition emergence of separation to the reduction needs the staff to install the condition emergence on connecting with the lock ring again, and then reduces staff's work load as far as.

Optionally, the end face of the locking ring facing the limiting ring is provided with a containing groove for containing the limiting ring.

Through adopting above-mentioned technical scheme, the lock ring moves to the position back at spacing ring place, and during the spacing ring was hidden into the holding tank, it took place to reduce the unable tip that moves to the joint of lock ring influence to the condition of joint deformation restriction effect promptly.

Optionally, a spring for applying a thrust force to the lock ring in a direction toward the limit ring is sleeved on the joint.

Through adopting above-mentioned technical scheme, will bend the plug-in components and connect before being in the same place, slide the lock ring towards the bottom that connects earlier, then make the lock ring compress the spring, then will insert the section and insert in the joint again, loosen the lock ring this moment, the lock ring moves towards the direction that is close to the intercommunication section under the effect of spring, realize the automatic direction motion towards the intercommunication section of lock ring on the one hand, on the other hand reduces the condition emergence that the lock ring moved towards deviating from intercommunication section direction, and then increase the stability of lock ring.

Optionally, a locking rod is fixedly connected to the joint, an annular groove is formed in the inner circumferential surface of the locking ring, and a communicating groove communicated with the sliding groove and matched with the locking rod is formed in the bottom end face of the locking ring.

Through adopting above-mentioned technical scheme, it connects in the well preceding to bend the plug-in components to insert, the locking ring slides earlier, the locking ring compresses the spring, then make the locking pole pass through the intercommunication groove and get into in the annular, rotate the locking ring again, make locking pole and intercommunication groove dislocation, insert the section again and connect in, reverse rotation locking ring again, the locking pole breaks away from and goes out and the direction motion that is close to the intercommunication section under the effect of spring from the intercommunication groove, the time that needs the staff to press down the locking ring has been reduced promptly, and then reach the staff of being convenient for and will bend the plug-in components and articulate effect together.

Optionally, the locking rod is provided with a plurality of along the circumference of joint, the communicating groove is provided with a plurality of corresponding locking rods in the communicating groove.

Through adopting above-mentioned technical scheme, set up many with the lock pole along the circumference that connects, can reduce the unbalanced condition of locking ring atress under the effect of spring, reduce the circumstances that the jamming appears between locking ring and the joint promptly and take place, and then guarantee the normal work of locking ring as far as.

Optionally, an annular sealing groove is formed in the cavity bottom of the accommodating cavity, a sealing ring is arranged in the sealing groove, and an insertion ring which is inserted into the sealing groove and contacts with the sealing ring is arranged at the end of the insertion section in an extending manner.

Through adopting above-mentioned technical scheme, to insert the section back in the joint, in the grafting ring inserts the seal groove, the grafting ring is contradicted on the seal ring, and then increases the leakproofness between section and the joint of inserting.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the connector, the inserting section, the communicating section and the accommodating cavity are arranged, so that the situation that the bent plug-in is difficult to separate from the connector is reduced, and the effect that workers can separate the bent plug-in from the connector conveniently is achieved;

2. the locking ring is arranged, so that the position of the joint provided with the separation groove is limited by the locking ring, the situation that the bent plug-in component and the joint are easily separated due to the deformation of the position of the joint provided with the separation groove is reduced, and the connection stability of the bent plug-in component and the joint is further improved;

3. through setting up the spacing ring, the reduction needs the staff to install the condition emergence on the joint with the lock ring again, and then reduces staff's work load as far as.

Drawings

FIG. 1 is a schematic view of the overall structure of an elbow in accordance with an embodiment of the present application;

FIG. 2 is a partial structural cross-sectional view of an elbow according to an embodiment of the present application;

FIG. 3 is an enlarged view of portion A of FIG. 2;

figure 4 is a schematic structural view of a fitting in an elbow according to an embodiment of the present application;

FIG. 5 is a schematic structural view of a bending insert in an elbow according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a locking ring in an elbow according to an embodiment of the present application.

Description of reference numerals: 100. a joint; 110. an external thread; 120. an accommodating chamber; 121. a convex strip; 122. A sealing groove; 123. a seal ring; 130. a separation tank; 140. a lock lever; 200. a bent plug-in; 210. An insertion section; 211. a clamping strip; 212. a plug-in ring; 220. a communicating section; 300. a locking ring; 310. Accommodating grooves; 320. a ring groove; 330. a communicating groove; 400. a limiting ring; 500. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses elbow for pneumatic element.

The elbow for the pneumatic element comprises a joint 100 and a bent insert 200, wherein the bent insert 200 comprises an insertion section 210 and a communication section 220, the communication section 220 is L-shaped, the insertion section 210 is coaxially and fixedly connected to one end of the communication section 220, and the insertion section 210 is communicated with the communication section 220. The connector 100 is made of plastic, one end of the connector 100 is provided with an accommodating cavity 120, and the other end of the connector 100 is provided with an external thread 110, so that the connector 100 is in threaded connection with the air inlet of the pneumatic element. The cavity wall of the cavity 120 at the cavity opening is fixedly connected with an annular convex strip 121, and the peripheral surface of the insertion section 210 far away from one end of the communication section 220 is fixedly connected with an annular clamping strip 211. A plurality of separation grooves 130 are formed in the joint 100 at the position of the accommodating cavity 120, the separation grooves 130 are sequentially arranged at intervals along the circumferential direction of the joint 100, the arrangement direction of each separation groove 130 is parallel to the axial direction of the joint 100, the separation grooves 130 extend to the protruding strips 121, and each separation groove 130 is communicated with the accommodating cavity 120.

When the elbow is used, the connector 100 is connected to an air inlet of a pneumatic element in a threaded mode, then an air pipe is communicated with the communicating section 220, the inserting section 210 is aligned to a cavity opening of the accommodating cavity 120, force towards the direction of the connector 100 is applied to the communicating section 220, then the communicating section 220 drives the inserting section 210 to move, the inserting section 210 is inserted into the connector 100, the clamping strip 211 is abutted to the convex strip 121, force is continuously applied to the communicating section 220, the clamping strip 211 extrudes the connector 100 at the position of the separating groove 130, the connector 100 at the position of the separating groove 130 deforms, the clamping strip 211 crosses the convex strip 121, the convex strip 121 recovers deformation, the clamping strip 211 is located on one side, away from the communicating section 220, and therefore the clamping of the clamping strip 211 and the convex strip 121 achieves fixed connection of the bent plug-in unit 200 and the connector 100.

When the bent plug-in unit 200 is separated from the connector 100, a force in the direction away from the connector 100 is applied to the communicating section 220, then the communicating section 220 drives the inserting section 210 to move, the clamping strip 211 extrudes the convex strip 121, the connector 100 at the position of the separation groove 130 deforms, the clamping strip 211 crosses the convex strip 121 and is separated from the connector 100, and therefore the bent plug-in unit 200 is separated from the connector 100, the situation that a worker difficultly separates the bent plug-in unit 200 from the connector 100 is reduced, and convenience is brought to the worker when the worker separates the bent plug-in unit 200 from the connector 100.

An annular sealing groove 122 is formed in the bottom of the accommodating cavity 120, and a sealing ring 123 is arranged in the sealing groove 122. The end of the insertion section 210 remote from the communication section 220 is provided with an insertion ring 212 extending therefrom. After the insertion section 210 is inserted into the joint 100, the insertion ring 212 is inserted into the sealing groove 122 and abuts against the sealing ring 123, and the sealing ring 123 deforms, that is, the sealing ring 123 seals between the insertion section 210 and the joint 100, so that the connection sealing performance between the insertion section 210 and the joint 100 is improved.

The outside of joint 100 has cup jointed lock ring 300, and the inner peripheral surface of lock ring 300 contacts with the global of joint 100, and the coaxial fixedly connected with spacing ring 400 of tip that connects 100 is close to communicating section 220, and lock ring 300 offers the annular holding tank 310 who holds spacing ring 400 on the terminal surface towards spacing ring 400. The cross sections of the convex strips 121 and the clamping strips 211 parallel to the radial direction of the clamping strips are triangular. Connect 100 to go up the cup joint spring 500, spring 500 is located the one end that the lock ring 300 deviates from spacing ring 400, and the one end and the joint 100 fixed connection of spring 500, the other end and the lock ring 300 of spring 500 are contradicted. Before inserting the section 210 into the joint 100, press locking ring 300 towards the bottom of joint 100 earlier, then make locking ring 300 compress spring 500, the position dislocation of locking ring 300 and separation groove 130, then insert section 210 into the joint 100, loosen locking ring 300 again, locking ring 300 moves towards the direction that is close to intercommunication section 220 under the effect of spring 500, finally make spacing ring 400 hide into holding tank 310, locking ring 300 covers the position at separation groove 130 place this moment, locking ring 300 is spacing to the position that separation groove 130 was seted up to joint 100, it leads to the curved plug-in components 200 to connect the condition emergence of 100 separation easily to reduce the deformation of joint 100.

After the locking ring 300 moves to the position of the separation groove 130, the locking ring 300 applies a force towards the direction of the central axis of the locking ring 300 to the position of the joint 100 where the separation groove 130 is formed, the convex strip 121 extrudes the clamping strip 211 under the action of the force, so that the clamping strip 211 drives the insertion section 210 to continuously move into the joint 100, the insertion ring 212 continuously extrudes the sealing ring 123, and the sealing performance of the bent plug-in unit 200 and the joint 100 is further improved.

A plurality of locking rods 140 are fixedly connected to the joint 100, the locking rods 140 are sequentially arranged at intervals along the circumferential direction of the joint 100, and each locking rod 140 is perpendicular to the joint 100. Annular groove 320 has been seted up on the inner peripheral surface of lock ring 300, has seted up a plurality of intercommunication grooves 330 on the terminal surface that lock ring 300 deviates from spacing ring 400, and intercommunication groove 330 and locking pole 140 one-to-one set up, and every intercommunication groove 330 all communicates with annular groove 320. Before inserting curved plug-in components 200 in connecting 100, press locking ring 300 earlier, relative slip takes place for locking ring 300 and joint 100, make the locking pole 140 insert the annular 320 through intercommunication groove 330 in then, rotate locking ring 300, make locking pole 140 and annular 320 take place the dislocation, locking ring 300 can't continue along the axial motion who connects 100 this moment, reduced promptly when installing curved plug-in components 200, the condition that needs the staff to press locking ring 300 always takes place, and then reach the effect that the staff of being convenient for installs curved plug-in components 200 on connecting 100.

The implementation principle of the elbow for the pneumatic element in the embodiment of the application is as follows: when the elbow is used, the connector 100 is first screwed to the air inlet of the pneumatic element, and then the air pipe is communicated with the communicating section 220. The locking ring 300 is pressed again, the locking ring 300 compresses the spring 500, the locking rod 140 passes through the corresponding communication groove 330 and enters the annular groove 320, and then the locking ring 300 is rotated, so that the locking rod 140 and the communication groove 330 are dislocated. The inserting section 210 is aligned with the cavity opening of the accommodating cavity 120, pressure towards the direction of the connector 100 is applied to the communicating section 220, the inserting section 210 is inserted into the accommodating cavity 120, the clamping strip 211 is abutted against the protruding strip 121, the communicating section 220 is continuously pressed, the protruding strip 121 is extruded by the clamping strip 211, the position of the connector 100, where the separation groove 130 is formed, is deformed, the clamping strip 211 crosses the protruding strip 121 to enter the connector 100, and the inserting ring 212 is inserted into the sealing groove 122 and contacts with the sealing ring 123. When the locking ring 300 is rotated reversely, the locking rod 140 is separated from the annular groove 320 and the communication groove 330 by the spring 500, and the locking ring 300 moves to the position of the stop ring 400, i.e. the connection between the bent insert 200 and the connector 100 is completed.

When the bending insert 200 and the coupling 100 are separated, the locking ring 300 is slid and then a force is applied to the communicating section 220 in a direction away from the coupling 100, and the inserting section 210 is separated from the coupling 100, i.e., the separation of the bending insert 200 and the coupling 100 is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A bend for pneumatic components comprising a fitting (100) and a curved insert (200), said curved insert (200) comprising a fixedly connected and communicating insert section (210) and communicating section (220), characterized in that: the confession has been seted up to the one end that connects (100) insert section (210) male chamber (120) that holds, fixedly connected with sand grip (121) on the inner wall that holds chamber (120), insert on section (210) fixedly connected with sand grip (121) adaptation is located sand grip (121) orientation hold joint strip (211) of chamber (120) chamber bottom one side, connect (100) on seted up many with hold compartment groove (130) of chamber (120) intercommunication.

2. The elbow for pneumatic member according to claim 1, wherein: a locking ring (300) is connected to the outer portion of the joint (100) in a sliding mode, and the peripheral surface of the joint (100) is in contact with the inner peripheral surface of the locking ring (300).

3. The elbow for pneumatic member according to claim 2, wherein: the cross sections of the convex strips (121) and the clamping strips (211) parallel to the radial direction of the clamping strips are triangular.

4. The elbow for pneumatic member according to claim 2, wherein: the end part of the joint (100) is fixedly connected with a limiting ring (400) used for limiting the locking ring (300), and the separation groove (130) extends to the limiting ring (400).

5. The elbow for pneumatic member according to claim 4, wherein: the end face, facing the limiting ring (400), of the locking ring (300) is provided with an accommodating groove (310) for accommodating the limiting ring (400).

6. The elbow for pneumatic member according to claim 4, wherein: and a spring (500) for applying thrust towards the direction of the limiting ring (400) to the locking ring (300) is sleeved on the joint (100).

7. The elbow for pneumatic member according to claim 6, wherein: the connector is characterized in that a locking rod (140) is fixedly connected to the connector (100), a ring groove (320) is formed in the inner circumferential surface of the locking ring (300), and a communicating groove (330) which is communicated with the ring groove (320) and is matched with the locking rod (140) is formed in the bottom end face of the locking ring (300).

8. The elbow for pneumatic member according to claim 7, wherein: the locking rod (140) is provided with a plurality of along the circumference of joint (100), and a plurality of intercommunication grooves (330) have been seted up to intercommunication groove (330) corresponding a plurality of locking rods (140).

9. The elbow for pneumatic member according to claim 1, wherein: an annular sealing groove (122) is formed in the bottom of the accommodating cavity (120), a sealing ring (123) is arranged in the sealing groove (122), and an inserting ring (212) which is inserted into the sealing groove (122) and is contacted with the sealing ring (123) is arranged at the end of the inserting section (210) in an extending mode.

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