CN213479459U

CN213479459U - Taper sleeve type joint

Info

Publication number: CN213479459U
Application number: CN202021967942.4U
Authority: CN
Inventors: 胡亮明
Original assignee: Afagma Ningbo Industrial Hydraulic Equipment Manufacturing Co ltd
Current assignee: Afagma Ningbo Industrial Hydraulic Equipment Manufacturing Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-06-18
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a taper sleeve type joint, which comprises a joint core and a locking nut which can be mutually connected and a taper sleeve which can fix a straight pipe under the action of the joint core and the locking nut, wherein the joint core is provided with a locking section, the locking section is provided with a tapered groove, the locking nut is internally provided with a locking groove, the taper sleeve is provided with a left taper head and a right taper head, the left taper head can be matched with the tapered groove, the right taper head can be matched with the locking groove, the taper sleeve is also provided with a sealing ring, and the sealing ring can be matched with the end face of the locking section; the utility model has the advantages that: when the locking nut is connected with the joint core, a pair of axial component force and a pair of radial component force are generated on the taper sleeve through the matching of the tapered groove and the left taper head and the matching of the locking groove and the right taper head, the left taper head and the right taper head can be guaranteed to form mechanical seal with the tapered groove and the locking groove respectively through the axial component force, meanwhile, the radial component force acts on two ends of the fixed section, two small deformations are formed on the fixed section, and then the sealing performance is improved while the fixing effect of the taper sleeve on the straight pipe is improved.

Description

Taper sleeve type joint

Technical Field

The utility model relates to a sealing connection spare field especially relates to a taper sleeve formula connects.

Background

The hose connector has a wide application range in hydraulic pipeline connection, and the sealing structure of the hose connector can play a role in sealing in the pipeline connection process, so the sealing performance of the hose connector is very important. Taper sleeve formula connects is one kind and connects the joint of hose through the straight tube, and present joint is opening the jump ring groove on the straight tube basically, then through the cutting ferrule with the jump ring groove card on the joint, because the straight tube is generally all thinner, set up its intensity of jump ring groove again and can receive very big influence, damaged easily in the in-service use process, so improve the leakproofness when not reducing straight tube intensity how and remain the problem of solving.

Disclosure of Invention

The utility model discloses to the condition among the background art, provide a taper sleeve formula and connect, the taper sleeve through two conical heads realizes two fixed points, effectively solves the problem among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve: taper sleeve formula connects, but including interconnect's joint core and lock nut and the joint core with the taper sleeve of straight tube can be fixed under the lock nut effect, be equipped with the locking section on the joint core, be equipped with the bell jar in the locking section, be equipped with the locking groove in the lock nut, be equipped with left conical head and right conical head on the taper sleeve, left side conical head can with the bell jar cooperation, right side conical head can with the locking groove cooperation, still install the sealing washer on the taper sleeve, the sealing washer can with the cooperation of locking section terminal surface.

Preferably, the tapered groove is located locking section tip inner wall, the hypotenuse and the axis contained angle of tapered groove are 24, be equipped with the external screw thread on the locking section.

Preferably, the lock nut inner wall is equipped with one section internal thread, the internal thread can with the external screw thread cooperation, the locking trench is located the internal thread bottom, the locking trench is the toper, the hypotenuse of locking trench is 24 with the contained angle of axis.

Preferably, the left conical head and the right conical head are both conical, and the included angles between the inclined edges of the left conical head and the right conical head and the axis are both 24 degrees.

Preferably, a sealing groove is formed in the end face of the bottom of the left conical head, and the sealing ring can be installed in the sealing groove.

Preferably, the straight pipe comprises a fixed section and a connecting section, a baffle ring is further arranged at the connecting position of the fixed section and the connecting section, the fixed section can be matched with the taper sleeve, and the connecting section can be used for connecting a hose.

The utility model has the advantages that: when the locking nut is connected with the joint core, a pair of axial component force and a pair of radial component force are generated on the taper sleeve through the matching of the tapered groove arranged on the locking section and the left taper head on the taper sleeve and the matching of the locking groove on the locking nut and the right taper head on the taper sleeve, the left taper head and the right taper head can be ensured to form mechanical seal with the tapered groove and the locking groove respectively through the axial component force, meanwhile, the radial component force acts on two ends of the fixed section to form two tiny deformations on the fixed section, and further, the sealing performance is improved while the fixing effect of the taper sleeve on the straight pipe is improved; a sealing ring arranged in a sealing groove on the taper sleeve is matched with the end face of the locking section to be extruded to form plane sealing, so that the sealing performance of the joint is further improved; meanwhile, the sizes of the connecting positions of the parts forming the joint are metric sizes, so that the subsequent maintenance can be facilitated.

Drawings

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

Fig. 2 is a sectional view of the present invention.

Fig. 3 is an enlarged schematic view of the local a of the present invention.

Fig. 4 is a schematic view of the internal structure of the joint core of the present invention.

Fig. 5 is a schematic view of the taper sleeve structure of the present invention.

Fig. 6 is a schematic view of the straight pipe structure of the present invention.

Fig. 7 is a schematic structural view of the locking nut of the present invention.

In the figure: the pipe fitting comprises a joint core 1, a locking section 101, a tapered groove 102, a fixing nut 103, a locking nut 2, internal threads 201, a locking groove 202, a straight pipe 3, a fixing section 301, a baffle ring 302, a connecting section 303, a taper sleeve 4, a left taper head 401, a sealing groove 402, a right taper head 403 and a sealing ring 5.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments described in the present disclosure, all other embodiments obtained by a person skilled in the art without creative efforts are within the scope of the present disclosure.

Embodiment example is shown in fig. 1 to 7, taper sleeve formula connects, but including interconnect's joint core 1 and lock nut 2 and the joint core 1 with lock nut 2 effect down can fix the taper sleeve 4 of straight tube 3, be equipped with locking section 101 on the joint core 1, be equipped with tapered slot 102 on the locking section 101, be equipped with locking groove 202 in the lock nut 2, be equipped with left conical head 401 and right conical head 403 on the taper sleeve 4, left side conical head 401 can with tapered slot 102 cooperation, right side conical head 403 can with locking groove 202 cooperation, still install sealing washer 5 on the taper sleeve 4, sealing washer 5 can with locking section 101 end face cooperation.

The tapered groove 102 is located the inner wall of the end portion of the locking section 101, an included angle between the inclined edge of the tapered groove 102 and the axis is 24 degrees, and the locking section 101 is provided with external threads.

2 inner walls of lock nut are equipped with one section internal thread 201, internal thread 201 can with the external screw thread cooperation, locking groove 202 is located the internal thread 201 bottom, locking groove 202 is the toper, the hypotenuse of locking groove 202 is 24 with the contained angle of axis.

The left conical head 401 and the right conical head 403 are both conical, and the included angles between the inclined edges of the left conical head 401 and the right conical head 403 and the axis are both 24 degrees.

A sealing groove 402 is formed in the end face of the bottom of the left conical head 401, and the sealing ring 5 can be installed in the sealing groove 402.

The straight tube 3 comprises a fixed section 301 and a connecting section 303, a baffle ring 302 is further arranged at the connecting position of the fixed section 301 and the connecting section 303, the fixed section 301 can be matched with the taper sleeve 4, and the connecting section 303 can be used for connecting a hose.

The specific working process is as follows: when the straight pipe 3 needs to be fixed, the locking nut 2 is sleeved on the fixing section 301 of the straight pipe 3 and is in contact with the retaining ring 302, then the taper sleeve 4 is sleeved on the fixing section 301, the right taper head 403 faces the locking nut 2, the sealing ring 5 is arranged in the sealing groove 402 on the taper sleeve 4, then the fixing section 301 on the straight pipe 3 is inserted into the locking section 101 on the joint core 1, then the locking nut 2 is rotated to be in threaded connection through fixing the fixing nut 103 on the joint core 1, or the locking nut 2 is fixed and is in threaded connection through rotating the fixing nut 103, in the process of connecting the locking nut 2 and the locking section 101 on the joint core 1, the locking groove 202 on the locking nut 2 is matched with the right taper head 403, the right taper head 403 is pressed to generate radial component force and axial component force, meanwhile, the tapered groove 102 on the locking section 101 is matched with the left taper head 401, and the left taper head 401 is pressed to generate radial component force and axial component force, the axial component force is a pair of interaction force, which can ensure that the locking groove 202 and the right conical head 403, and the conical groove 102 and the left conical head 401 are fully contacted to form mechanical seal, meanwhile, the radial component force respectively acts on two ends of the fixing section 301 on the straight pipe 3 and extrudes the fixing section 301 to generate micro deformation, so that the straight pipe 3 is fixed, the fixing effect of the straight pipe 3 can be improved through the deformation of the two ends, and meanwhile, the sealing performance is improved; meanwhile, the sealing ring 5 in the sealing groove 402 is extruded by the end face of the locking section 101 to form a plane seal, so that the sealing performance is further improved.

Claims

1. Taper sleeve formula connects, but including interconnect's joint core (1) and lock nut (2) and be in joint core (1) with can fix taper sleeve (4) of straight tube (3) under lock nut (2) effect, its characterized in that: be equipped with locking section (101) on joint core (1), be equipped with conical groove (102) on locking section (101), be equipped with locking groove (202) in lock nut (2), be equipped with left conical head (401) and right conical head (403) on taper sleeve (4), left side conical head (401) can with conical groove (102) cooperation, right side conical head (403) can with locking groove (202) cooperation, still install sealing washer (5) on taper sleeve (4), sealing washer (5) can with locking section (101) terminal surface cooperation.

2. The taper sleeve joint according to claim 1, wherein: the tapered groove (102) is located locking section (101) tip inner wall, the hypotenuse and the axis contained angle of tapered groove (102) are 24, be equipped with the external screw thread on locking section (101).

3. The taper sleeve joint according to claim 2, wherein: lock nut (2) inner wall is equipped with one section internal thread (201), internal thread (201) can with thread fit, locking groove (202) are located internal thread (201) bottom, locking groove (202) are the toper, the hypotenuse of locking groove (202) is 24 with the contained angle of axis.

4. The taper sleeve joint according to claim 1, wherein: the left conical head (401) and the right conical head (403) are conical, and the included angles between the inclined edges of the left conical head (401) and the right conical head (403) and the axis are all 24 degrees.

5. The taper sleeve joint according to claim 1, wherein: and a sealing groove (402) is formed in the end face of the bottom of the left conical head (401), and the sealing ring (5) can be installed in the sealing groove (402).

6. The taper sleeve joint according to claim 1, wherein: the straight tube (3) comprises a fixed section (301) and a connecting section (303), the fixed section (301) and the connecting section (303) are connected at positions and are further provided with a retaining ring (302), the fixed section (301) can be matched with the taper sleeve (4), and the connecting section (303) can be used for connecting a hose.