Connecting structure for positive displacement distributor
Technical Field
The application relates to the technical field of pipeline connection, in particular to a connecting structure for a positive displacement distributor.
Background
The positive displacement distributor is mainly used for mechanical lubrication, and is equipment which is connected with the output end of a lubricating pump so as to distribute oil output by the lubricating pump to a plurality of oil pipes and then convey the oil to each part needing to be lubricated in the mechanical operation through each oil pipe. The positive displacement distributor not only can lubricate the part to ensure smooth operation, but also can avoid excessively complicated pipelines arranged between the part and the lubricating pump.
At the in-process that uses tubing conveyed fluid, because transmission distance's needs, need many oil pipe cooperations to transmit usually, and just need use the connector to connect many oil pipe this moment.
In the traditional technology, the joint structure adopts a loose joint, a pipeline is inserted into the loose joint, and a thin film and glue are wound at the joint to realize sealing, so that the sealing effect is poor along with the aging of the glue, and the disassembly is troublesome.
In the related art, the hoop is used as a fastener, the joints of adjacent oil pipes are connected through the inserted connecting pipes, and the hoop is used for locking and fixing to complete the connection of the oil pipes.
In view of the above related technologies, the inventor thinks that the anchor ear can squeeze and lock the oil pipe in the locking process, and the anchor ear is easy to irreversibly damage the structure of the oil pipe through repeated use for many times, thereby causing damage to the oil pipe and greatly reducing the service life.
SUMMERY OF THE UTILITY MODEL
In order to reduce the damage to an oil pipe caused by disassembling the connection and prolong the service life of the oil pipe, the application provides a connecting structure for a positive displacement distributor.
The application provides a connection structure for positive displacement dispenser adopts following technical scheme:
the utility model provides a connection structure for positive displacement distributor, includes oil pipe body and connector, the oil pipe body with the cooperation of pegging graft of the one end of connector, just the connector orientation the one end of oil pipe body is provided with the lock sleeve, the lock sleeve be used for with the cooperation is cup jointed to the oil pipe body, just the lock sleeve be used for with the connector is connected fixedly the oil pipe body.
Through adopting above-mentioned technical scheme, during the connection, establish the lock sleeve cover on the oil pipe body, then with the cooperation of pegging graft of oil pipe body and connector, be used for at last the lock sleeve to be connected fixedly with the connector to carry out fixed connection to oil pipe body and connector, changed and used the staple bolt to lock the dead mounting means of locking to the oil pipe body, thereby reduced the harm that the dismantlement connection caused the oil pipe body, and then improved oil pipe's life.
Optionally, one end of the lock sleeve is set as an insertion end, the insertion end is in insertion fit with the connector, an inverted hook portion is arranged on the outer side of the insertion end, a limiting cavity is formed in the connector, the insertion end is used for being in insertion fit with the limiting cavity, the inverted hook portion is used for being in abutting joint with the cavity wall of the limiting cavity, and the inner side wall of the limiting cavity faces towards one side of the lock sleeve and is in radial contraction setting.
Through adopting above-mentioned technical scheme, during the connection, barb portion through the lock sleeve moves towards one side of keeping away from spacing cavity, make barb portion can be through the butt between the inside wall with spacing cavity, the inside wall that drives spacing cavity extrudees the barb portion of lock sleeve, and then make the lock sleeve extrude the oil pipe body, keeping away from the position of spacing cavity more, barb portion's extrusion force just is big more, frictional force to the oil pipe body just is big more, stability just is high more, thereby realized the lock sleeve be used for being connected the effect of fixed oil pipe body with the connector.
Optionally, the inner side of the insertion end is provided with a abutting portion, and the abutting portion is used for abutting against the outer side wall of the oil pipe body.
Through adopting above-mentioned technical scheme, the setting of supporting tight portion can improve the frictional force of butt between grafting end and the oil pipe body to improve the stability of supporting tight portion and this body coupling of oil pipe.
Optionally, one end of the lock sleeve, which is far away from the insertion end, is provided with a gripping part.
Through adopting above-mentioned technical scheme, grab the setting of portion of grabbing, can conveniently grab the lock sleeve and grab and remove.
Optionally, a rubber ring is arranged in the limiting cavity, and the lock sleeve is tightly abutted to the rubber ring.
Through adopting above-mentioned technical scheme, the setting of rubber circle can cooperate the lock sleeve to seal the junction of oil pipe body and connector to improve the leakproofness of oil pipe body and connector.
Optionally, the one end of lock sleeve sets up to the screw thread end, just the connecting hole has been seted up to the tip correspondence of connector, one side pore wall that the connecting hole is close to the drill way sets up to screw thread portion, screw thread portion with screw thread end screw-thread fit, the lateral wall cover of oil pipe body is equipped with the sealing washer, just the sealing washer is located the lock sleeve orientation outside one side of connector, one side pore wall that the drill way was kept away from to the connecting hole sets up to butt portion, the radius of butt portion is less than the radius of screw thread portion, butt portion be used for with sealing washer looks butt.
Through adopting above-mentioned technical scheme, during the connection, rotate the lock sleeve and make lock sleeve and screw thread portion threaded connection, the lock sleeve promotes the sealing washer and removes towards the butt portion of connecting hole this moment for butt portion extrudees the sealing washer, thereby makes the sealing washer support tight oil pipe body, thereby compresses tightly the oil pipe body in the connector through frictional force, realizes that the lock sleeve is used for being connected the effect of fixed oil pipe body with the connector.
Optionally, a rounded corner is arranged at the joint of the threaded portion of the connecting hole and the abutting portion.
Through adopting above-mentioned technical scheme, the effect of buffering can be played to the butt of sealing washer and butt portion to the setting of radius angle to improve the smoothness nature of sealing washer and butt portion butt process.
Optionally, the outer side wall of the oil pipe body is provided with a groove, and the sealing ring is clamped in the groove.
Through adopting above-mentioned technical scheme, the stability of sealing washer cover at oil pipe body lateral wall can be improved in the setting of recess.
In summary, the present application includes at least one of the following beneficial technical effects:
1. during connection, the lock sleeve is sleeved on the oil pipe body, then the oil pipe body is in plug fit with the connector, and finally the lock sleeve is used for being fixedly connected with the connector, so that the oil pipe body is fixedly connected with the connector, the installation mode that the oil pipe body is locked and locked by using a hoop is changed, the damage to the oil pipe body caused by the disassembly connection is reduced, and the service life of the oil pipe is prolonged;
2. during connection, the barb part of the lock sleeve moves towards one side far away from the limiting cavity, so that the barb part can drive the inner side wall of the limiting cavity to extrude the barb part of the lock sleeve through abutting against the inner side wall of the limiting cavity, the lock sleeve further extrudes the oil pipe body, the extrusion force of the barb part is larger at the position far away from the limiting cavity, the friction force on the oil pipe body is larger, the stability is higher, and the effect of the lock sleeve on connecting and fixing the oil pipe body with the connector is realized;
3. during the connection, rotate the lock sleeve and make lock sleeve and screw thread portion threaded connection, the lock sleeve promotes the butt portion removal of sealing washer towards the connecting hole this moment for butt portion extrudees the sealing washer, thereby makes the sealing washer support tight oil pipe body, thereby compresses tightly the oil pipe body in the connector through frictional force, realizes that the lock sleeve is used for being connected the effect of fixed oil pipe body with the connector.
Drawings
Fig. 1 is a schematic cross-sectional view of the connection structure for the positive displacement dispenser in embodiment 1 of the present application.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic cross-sectional view of the connection structure for the positive displacement dispenser in embodiment 2 of the present application.
Fig. 4 is an enlarged view of a portion B in fig. 3.
Description of reference numerals:
1. an oil pipe body; 11. a groove; 2. a connector; 21. a jack; 22. a limiting cavity; 23. connecting holes; 231. a threaded portion; 232. a tightening part; 3. a lock sleeve; 31. a plug end; 311. a barb portion; 312. an abutting portion; 32. a grip portion; 33. a threaded end; 34. an outer hexagonal end; 4. a rubber ring; 5. and (5) sealing rings.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
Example 1
The embodiment of the application discloses a connection structure for a positive displacement dispenser. Referring to fig. 1, a connection structure for positive displacement distributor includes oil pipe body 1 and connector 2, and oil pipe body 1 cooperates with the one end grafting of connector 2, and connector 2 is provided with lock sleeve 3 towards oil pipe's one end, and lock sleeve 3 is used for cup jointing the cooperation with oil pipe body 1, and lock sleeve 3 is used for being connected fixed oil pipe body 1 with connector 2.
Specifically, referring to fig. 1 and 2, one end of the lock sleeve 3 is provided as an insertion end 31, one end of the connector 2 is provided with a jack 21, and the insertion end 31 of the lock sleeve 3 is in insertion fit with the jack 21 of the connector 2. The plug end 31 outside of lock sleeve 3 is provided with barb portion 311, and spacing cavity 22 has been seted up to the inside of connector 2, and jack 21 is linked together with spacing cavity 22, and the inside wall of spacing cavity 22 is radial shrink setting along the one side towards jack 21. The barb 311 is used for abutting against the cavity wall of the limiting cavity 22. Thereby when connecting, establish lock sleeve 3 on oil pipe body 1, and peg graft oil pipe body 1 with the jack 21 of connector 2, peg graft the jack 21 of end 31 and connector 2 with the lock sleeve 3 after that, make barb portion 311 can be through the butt between the inside wall with spacing cavity 22, the inside wall that drives spacing cavity 22 extrudees barb portion 311 of lock sleeve 3, and then make lock sleeve 3 extrude oil pipe body 1, keep away from spacing cavity 22's position more, barb portion 311's extrusion force just more big, just big more to oil pipe body 1's frictional force, stability is just higher.
Referring to fig. 2, the inner side of the insertion end 31 is provided with a abutting portion 232, the abutting portion 232 is used for abutting against the oil pipe body 1, and the cross section of the abutting portion 232 is in a pointed shape, so that the abutting pressure between the insertion end 31 and the oil pipe body 1 can be improved, and the stability of the abutting portion 232 and the oil pipe body 1 is improved.
Referring to fig. 1, the aperture of the insertion hole 21 of the connector 2 is rounded. The convenience that the end 31 of pegging graft of inserting of lock sleeve 3 and connector 2 were pegged graft can be improved in the setting of radius angle, conveniently pegs graft.
Referring to fig. 2, a rubber ring 4 is arranged in the limit cavity 22, and the lock sleeve 3 is tightly propped against the rubber ring 4. The setting of rubber circle 4 can cooperate the lock sleeve 3 to seal up the junction of oil pipe body 1 and connector 2 to improve the leakproofness of oil pipe body 1 and connector 2.
Referring to fig. 1, one end of the lock sleeve 3, which is far away from the insertion end 31, is provided with a holding part 32, and the radius of the holding part 32 is larger than that of the lock sleeve 3, so that a worker can conveniently hold the lock sleeve 3.
The implementation principle of the connecting structure for the positive displacement dispenser is as follows:
during the connection, cup joint the setting with lock sleeve 3 and oil pipe body 1, then with oil pipe body 1 insert the jack 21 of connector 2 in, at last peg graft the jack 21 of lock sleeve 3 and connector 2 for the grafting end 31 of lock sleeve 3 inserts in spacing cavity 22, carries out the chucking to oil pipe body 1.
Example 2
The embodiment of the application discloses a connection structure for a positive displacement dispenser. Referring to fig. 3, a connection structure for positive displacement distributor includes oil pipe body 1 and connector 2, and oil pipe body 1 cooperates with the one end grafting of connector 2, and connector 2 is provided with lock sleeve 3 towards oil pipe's one end, and lock sleeve 3 is used for cup jointing the cooperation with oil pipe body 1, and lock sleeve 3 is used for being connected fixed oil pipe body 1 with connector 2.
Specifically, referring to fig. 3 and 4, one end of the lock sleeve 3 is provided with a threaded end 33, the end of the connecting head 2 is correspondingly provided with a connecting hole 23, a hole wall of one side of the connecting hole 23 close to the hole opening is provided with a threaded portion 231, and the threaded portion 231 is in threaded fit with the threaded end 33. The lateral wall cover of oil pipe body 1 is equipped with sealing washer 5, and in this embodiment, sealing washer 5 adopts the copper product to make, and sealing washer 5 is located lock sleeve 3 outside one side towards connector 2. The whole sealing ring 5 is arranged along the radial direction with a large middle and small ends. And the hole wall of the connecting hole 23 on the side far from the hole opening is provided with an abutting part 312, the radius of the abutting part 312 is smaller than that of the thread part 231, and the abutting part 312 is used for abutting with the sealing ring 5. Specifically, the connection between the threaded portion 231 of the connection hole 23 and the abutment portion 312 is rounded.
Thereby when connecting, make lock sleeve 3 and screw thread portion 231 threaded connection through rotating lock sleeve 3, lock sleeve 3 promotes sealing washer 5 and removes towards butt portion 312 of connecting hole 23 this moment for butt portion 312 extrudes sealing washer 5, makes sealing washer 5 support tight oil pipe body 1, compresses tightly oil pipe body 1 in connector 2 through frictional force, realizes that lock sleeve 3 is used for being connected the effect of fixing oil pipe body 1 with connector 2. The fillet can buffer the abutting of the sealing ring 5 and the abutting part 312, and the smoothness of the abutting process of the sealing ring 5 and the abutting part 312 is improved.
Referring to fig. 3 and 4, the end face of the threaded end 33 of the lock sleeve 3 is provided with a rounded corner at the side where the oil pipe body 1 is sleeved, so that the matching convenience between the lock sleeve 3 and the seal ring 5 can be improved, and the positioning is facilitated. And the one end that threaded end 33 was kept away from to lock sleeve 3 sets up to outer hexagonal end 34, wholly is outer hexagonal and sets up, makes things convenient for the staff to rotate, carries out threaded connection to lock sleeve 3 and connector 2.
Further, referring to fig. 3 and 4, a groove 11 is formed in the outer side wall of the oil pipe body 1, and the sealing ring 5 is clamped in the groove 11, so that the stability of the sealing ring 5 sleeved on the outer side wall of the oil pipe body 1 can be improved.
The implementation principle of the connecting structure for the positive displacement dispenser is as follows:
during the connection, adjust lock sleeve 3 on oil pipe body 1 earlier, then peg graft the cooperation with oil pipe body 1 and connector 2, rotate the outer hexagonal end 34 of lock sleeve 3 this moment, drive the screw thread portion 231 threaded connection of threaded end 33 and connector 2, thereby make lock sleeve 3 promote sealing washer 5 and butt portion 312 support tightly, thereby compress tightly oil pipe body 1, realize the fixed to oil pipe body 1, the harm that the dismantlement connection led to the fact oil pipe body 1 has been reduced, and then oil pipe body 1's life has been improved.
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.