阅读说明：本技术 一种快速插入锁紧接头 (Quick-insertion locking joint ) 是由 卢晓斌 杨成勇 于 2019-09-30 设计创作，主要内容包括：本发明公开了一种快速插入锁紧接头,母头本体一端设有插接口,插接口内壁上设有密封座,密封圈设置于密封座上,插接口侧壁设有多个限位孔,各限位孔内均设有一个限位元件,母头本体外侧壁上设有第一凸台,滑动套套设于第一凸台外,母头本体外侧壁上设有卡槽,卡槽内设有挡圈,滑动套内壁上设有第二凸台,弹性元件套设于母头本体外且设置于第二凸台与第一凸台之间,Camlock公接头外壁周向设有限位槽,当Camlock公接头插入至插接口,第二凸台能够使限位元件固定于限位槽内并使Camlock公接头压紧密封圈于密封座,第二凸台滑动远离限位孔时,限位元件能够脱离限位槽。结构简单,占用空间小,拆装方便快捷并且密封性好。(The invention discloses a quick-insertion locking joint, wherein one end of a female head body is provided with a socket, the inner wall of the socket is provided with a sealing seat, a sealing ring is arranged on the sealing seat, the side wall of the socket is provided with a plurality of limiting holes, each limiting hole is internally provided with a limiting element, the outer side wall of the female head body is provided with a first boss, a sliding sleeve is sleeved outside the first boss, the outer side wall of the female head body is provided with a clamping groove, a check ring is arranged in the clamping groove, the inner wall of the sliding sleeve is provided with a second boss, an elastic element is sleeved outside the female head body and arranged between the second boss and the first boss, the outer wall of a Camlock male joint is circumferentially provided with a limiting groove, when the Camlock male joint is inserted into the socket, the second boss can enable the limiting element to be fixed in the limiting groove and enable the Camlock male joint to press the sealing ring on the sealing seat, and when. Simple structure, occupation space is little, and easy dismounting is swift and the leakproofness is good.)

1. A quick-insertion locking coupling, comprising: the plug comprises a female head body, a sliding sleeve, an elastic element, a sealing ring, a limiting element and a retainer ring, wherein one end of the female head body is provided with an insertion port, the insertion port is used for connecting a Camlock male connector, the inner wall of the insertion port is provided with a sealing seat, the sealing ring is arranged on one surface of the sealing seat close to a port of the insertion port, the side wall of the insertion port is circumferentially provided with a plurality of limiting holes, each limiting hole is internally provided with one limiting element and can limit the limiting elements from being separated from the limiting holes inwards, the outer side wall of the female head body is provided with a first boss, the sliding sleeve is sleeved outside the first boss, the outer side wall of the female head body is provided with a clamping groove, the clamping groove is arranged between the port of the insertion port and the limiting holes, the retainer ring is arranged in the clamping groove, and the inner wall of the, the second boss is arranged between the first boss and the retainer ring, the inner diameter of the second boss is smaller than the outer diameter of the retainer ring, the elastic element is sleeved outside the female head body, the elastic element is arranged between the second boss and the first boss, the elastic element is in a compression state, a limiting groove is circumferentially arranged on the outer wall of the Camlock male connector, the Camlock male connector is inserted into the plug-in port, the second boss slides to be in contact with the retainer ring, the second boss can enable the limiting element to be fixed in the limiting groove and enable the Camlock male connector to compress the sealing ring on the sealing seat, the end face, far away from the first boss, of the second boss is obliquely arranged towards one end, far away from the first boss, and the limiting element can be separated from the limiting groove when the second boss slides to be far away from the limiting hole.

2. The quick-insert locking coupling of claim 1, wherein: the outer surface of the sliding sleeve is provided with anti-skidding reticular bulges.

3. The quick-insert locking coupling of claim 1, wherein: the inner wall of the sealing ring is provided with a rectangular annular groove.

4. The quick-insert locking coupling of claim 1, wherein: the sealing seat is a sealing boss, the sealing ring is arranged on one surface, close to the port of the inserting port, of the sealing boss, a connecting port is arranged at one end, far away from the inserting port, of the female head body, and is communicated with the inserting port and used for being connected with a pipe fitting.

5. The quick-insert locking coupling of claim 1, wherein: the sealing seat is a sealing partition plate, the sealing partition plate seals one end of the female connector body far away from the insertion port, and the sealing ring is arranged on one surface, close to the port of the insertion port, of the sealing partition plate.

6. The quick-insert locking coupling of claim 1, wherein: the limiting element is a limiting ball or a limiting block.

7. The quick-insert locking coupling of claim 1, wherein: the inner wall of the sliding sleeve is provided with a dustproof boss, the dustproof boss is arranged at one end, close to the port of the interface, of the sliding sleeve, and the inner diameter of the dustproof boss is larger than the outer diameter of the interface.

8. The quick-insert locking coupling of claim 1, wherein: the elastic element is a spring.

Technical Field

The invention relates to the technical field of pipeline joints, in particular to a quick-insertion locking joint.

Background

The quick joint comprises a hydraulic quick joint and various fluid quick joints, and is a connecting device for quickly connecting or disconnecting pipelines and realizing quick assembly and disassembly. The method is widely applied to the fields of petroleum, metallurgy, hydropower, engineering machinery, ships, electromechanical equipment and the like. The quick joint connecting structure is the most important part of the quick joint, and the connecting mode and the structure of the quick joint directly determine the use convenience, the reliability and the product quality of the quick joint. In current quick-operation joint, as shown in fig. 9, generally include main part 25, handle 26 and round pin 27, go into the arcuation recess of public head with the cambered surface arch card of handle one end in through rotatory handle to realize the sealing connection of joint, handle occupation space is big, and the structure is complicated, presses the handle and needs great power just can be fixed quick-operation joint connection, and quick-operation joint assembly is wasted time and energy, needs higher machining precision moreover just can guarantee its sealing performance. Therefore, it is necessary to develop a quick coupling having a simple structure, high assembly efficiency, and good sealing performance.

Disclosure of Invention

The invention aims to provide a quick-insertion locking joint, which solves the problems in the prior art and has the advantages of simple structure, small occupied space, convenience and quickness in disassembly and assembly and good sealing property.

In order to achieve the purpose, the invention provides the following scheme:

the invention provides a quick-insertion locking joint which comprises a female joint body, a sliding sleeve, an elastic element, a sealing ring, a limiting element and a retainer ring, wherein one end of the female joint body is provided with an insertion port, the insertion port is used for connecting a Camlock male joint, the inner wall of the insertion port is provided with a sealing seat, the sealing ring is arranged on one surface of the sealing seat close to the port of the insertion port, the side wall of the insertion port is circumferentially provided with a plurality of limiting holes, each limiting hole is internally provided with one limiting element, the limiting holes can limit the limiting elements to be inwards separated from the limiting holes, the outer side wall of the female joint body is provided with a first boss, the sliding sleeve is sleeved outside the first boss, the outer side wall of the female joint body is provided with a clamping groove, the clamping groove is arranged between the port of the insertion port and the limiting holes, and the retainer ring is arranged, the inner wall of the sliding sleeve is provided with a second boss, the second boss is arranged between the first boss and the retainer ring, the inner diameter of the second boss is smaller than the outer diameter of the retainer ring, the elastic element is sleeved outside the female head body and arranged between the second boss and the first boss, the elastic element is in a compressed state, a limit groove is arranged on the outer wall of the Camlock male connector in the circumferential direction, when the Camlock male connector is inserted into the insertion port and the second boss slides to be in contact with the retainer ring, the second boss can fix the limiting element in the limiting groove and enable the Camlock male joint to tightly press the sealing ring on the sealing seat, the end surface of the second boss far away from the first boss is obliquely arranged towards one end far away from the first boss, when the second boss slides away from the limiting hole, the limiting element can be separated from the limiting groove.

Preferably, the outer surface of the sliding sleeve is provided with anti-skid reticular protrusions.

Preferably, the inner wall of the sealing ring is provided with a rectangular annular groove.

Preferably, the sealing seat is a sealing boss, the sealing ring is arranged on one surface of the sealing boss close to the port of the insertion port, a connecting port is arranged at one end of the female head body far away from the insertion port, the connecting port is communicated with the insertion port, and the connecting port is used for being connected with a pipe fitting.

Preferably, the sealing seat is a sealing partition plate, the sealing partition plate seals one end of the female head body far away from the insertion port, and the sealing ring is arranged on one surface, close to the port of the insertion port, of the sealing partition plate.

Preferably, the limiting element is a limiting ball or a limiting block.

Preferably, the inner wall of the sliding sleeve is provided with a dustproof boss, the dustproof boss is arranged at one end, close to the port of the interface, of the sliding sleeve, and the inner diameter of the dustproof boss is larger than the outer diameter of the interface.

Preferably, the elastic element is a spring.

Compared with the prior art, the invention has the following technical effects:

the invention provides a quick-insertion locking joint.A sliding sleeve is pushed by hand to enable a second boss to be far away from a limiting hole, a limiting element can move outwards along the radial direction of a plug port from the limiting hole, a Camlock male joint is inserted into the plug port of a female head body and extrudes a sealing ring, the sliding sleeve is loosened, under the elastic action of an elastic element, the sliding sleeve moves towards the limiting hole and extrudes the limiting element, and the limiting element is fixed in a limiting groove on the Camlock male joint, so that the Camlock male joint is prevented from moving outwards, the quick connection of the joint is realized, the structure is simple to set, the occupied space is small, and the sealing performance of the connecting joint is ensured; when needing disconnection female first body and Camlock male joint, handheld female first body promotes the sliding sleeve and makes the second boss keep away from spacing hole, and spacing element breaks away from the constraint of second boss, follows the radial outside removal of interface in spacing hole, and spacing element breaks away from behind the spacing groove on the Camlock male joint, can be with Camlock male joint and female first body separation, dismantles convenient and fast.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of a connection structure of a quick-insert locking connector and a Camlock male connector according to a first embodiment of the present invention;

FIG. 2 is a schematic view of the connection structure of the quick-insertion locking connector and the Camlock male connector according to the second embodiment of the present invention;

FIG. 3 is a schematic view of the connection structure of the quick-insert locking connector and the Camlock male connector according to the third embodiment of the present invention;

FIG. 4 is a schematic view of a seal ring of the present invention shown being quickly inserted into a locking coupling;

FIG. 5 is a schematic view of a stop hole for quick insertion into a locking joint according to the present invention;

FIG. 6 is a perspective view of the stop block for quick insertion into a locking joint according to the present invention;

FIG. 7 is an axial cross-sectional view of a limiting block and a limiting hole in the quick-insertion locking joint provided by the present invention;

FIG. 8 is a radial cross-sectional view of a stop block and a stop hole in the quick-insert locking coupling of FIG. 7;

FIG. 9 is a schematic structural view of a conventional quick coupling;

in the figure: 1-female head body, 2-sliding sleeve, 3-elastic element, 4-sealing ring, 5-limiting element, 6-check ring, 7-Camlock male joint, 8-sealing seat, 9-limiting hole, 10-first boss, 11-clamping groove, 12-second boss, 13-limiting groove, 14-anti-slip reticular bulge, 15-rectangular annular groove, 16-internal thread, 17-first hole, 18-second hole, 19-annular boss, 20-dustproof boss, 21-end face, 22-tail pipe, 23-clamping bulge, 24-limiting bulge, 25-main body, 26-handle and 27-pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention aims to provide a quick-insertion locking joint, which solves the problems in the prior art and has the advantages of simple structure, small occupied space, convenience and quickness in disassembly and assembly and good sealing property.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Example one

As shown in fig. 1, the embodiment provides a quick-insertion locking connector, which includes a female connector body 1, a sliding sleeve 2, an elastic element 3, a sealing ring 4, a limiting element 5 and a retainer ring 6, wherein an insertion port is formed at one end of the female connector body 1, the insertion port is used for connecting a Camlock male connector 7, a sealing seat 8 is formed on the inner wall of the insertion port, the sealing ring 4 is arranged on one surface of the sealing seat 8 close to the port of the insertion port, a plurality of limiting holes 9 are circumferentially formed on the sidewall of the insertion port, a limiting element 5 is arranged in each limiting hole 9, the limiting hole 9 can limit the inward separation of the limiting element 5 from the limiting hole 9, a first boss 10 is arranged on the outer sidewall of the female connector body 1, the sliding sleeve 2 is sleeved outside the first boss 10, a clamping groove 11 is formed on the outer sidewall of the female connector body 1, the clamping groove 11 is formed between the port and the limiting hole 9, the retainer ring, the second boss 12 sets up between first boss 10 and retaining ring 6 and second boss 12 internal diameter is less than retaining ring 6 external diameter, elastic element 3 cover is located outside female head body 1 and elastic element 3 sets up between second boss 12 and first boss 10, elastic element 3 is in compression state, Camlock male joint 7 outer wall circumference is equipped with spacing groove 13, insert to the interface when Camlock male joint 7, second boss 12 slides to when contacting with retaining ring 6, second boss 12 can make spacing element 5 be fixed in spacing groove 13 and make Camlock male joint 7 compress tightly sealing washer 4 in seal receptacle 8, the terminal surface that first boss 10 was kept away from to second boss 12 inclines to the one end of keeping away from first boss 10 and sets up, when spacing hole 9 was kept away from in second boss 12 slides, spacing element 5 can break away from spacing groove 13.

When the quick-insertion locking connector is assembled, the sliding sleeve 2 is pushed by hand to enable the second boss 12 to be far away from the limiting hole 9, the limiting element 5 can move outwards along the radial direction of the inserting port from the limiting hole 9 and cannot be separated from the limiting hole 9 outwards under the blocking effect of the sliding sleeve 2, the Camlock male connector 7 is inserted into the inserting port of the female connector body 1, the Camlock male connector 7 is enabled to extrude the sealing ring 4, the sliding sleeve 2 is loosened, the sliding sleeve 2 moves towards the limiting hole 9 direction under the elastic action of the elastic element 3 and extrudes the limiting element 5, the limiting element 5 is enabled to be fixed in the limiting groove 13 on the Camlock male connector 7, the Camlock male connector 7 is prevented from moving outwards, the quick connection of the connector is achieved, the structure is simple to set, the occupied space is small, and the sealing performance of the connecting connector is guaranteed; when the quick-insertion locking connector is disconnected, the female head body 1 is held by hand, the sliding sleeve 2 is pushed to enable the second boss 12 to be far away from the limiting hole 9, the limiting element 5 is separated from the constraint of the second boss 12 and moves outwards along the radial direction of the plug-in port from the limiting hole 9, and after the limiting element 5 is separated from the limiting groove 13 on the Camlock male connector 7, the Camlock male connector 7 can be separated from the female head body 1, so that the quick-insertion locking connector is convenient and quick to detach; the quick insertion locking joint provided by the invention can replace all Camlock female joints, the specification range of the quick insertion locking joint is 1/2 '-8', wherein the female joint body 1 and the sliding sleeve 2 can be made of aluminum alloy, copper alloy, stainless steel, carbon steel or PP and the like.

As shown in fig. 4, the inner wall of the sealing ring 4 is provided with a rectangular annular groove 15, when a fluid is conveyed, a pressure difference is generated between the inside and the outside of the rectangular annular groove 15, the fluid extrudes the sealing ring 4 from the inside of the rectangular annular groove 15 to the outside, the sealing surface of the sealing ring 4 is in a pressed state, the sealing ring 4 is not easy to leak, and the sealing performance is better when the internal pressure is higher within a certain pressure range; one end face 21 of the sealing ring 4 is arranged in an outward inclined mode, when the internal pressure is low, the Camlock male joint 7 extrudes the inclined end face 21 of the sealing ring 4, the sealing face of the sealing ring 4 is in extrusion contact, and leakage is avoided when the pressure is low; an annular boss 19 is arranged in the rectangular annular groove 15, so that the strength and the elasticity of the sealing ring 4 are improved.

As shown in fig. 5 to 8, the limiting element 5 is a limiting ball, the limiting ball is made of a steel ball, the manufacturing is convenient, the cost is low, when the limiting element 5 is the limiting ball, the limiting hole is a stepped hole, the limiting hole 9 comprises a first hole 17 and a second hole 18 which are radially arranged, the first hole 17 is arranged in the direction that the second hole 18 is radially close to the inner direction, the diameter of the first hole 17 is smaller than that of the limiting ball, and the first hole 17 can prevent the limiting ball from being separated from the limiting hole 9 inwards; however, the limiting element 5 is not limited to a limiting ball, and can also be a limiting block, the limiting block can be set to be a square limiting block, the corresponding limiting hole 9 is set to be a square limiting hole, the limiting block is arranged in the limiting hole 9 in a sliding manner, the contact area between the side wall of the limiting block and the inner wall of the limiting hole 9 is large, the stress effect is better, the limiting block is provided with an inclined plane at one end radially close to the inner side along the axial direction of the jack, the Camlock male connector 7 can be conveniently inserted into and pulled out from the jack, the side surface radially close to the inner side of the limiting hole 9 is provided with a limiting bulge 24, the side wall radially close to the outer end of the limiting block is provided with a clamping bulge 23, and the limiting bulge 24 can limit the clamping bulge 23 to continue to slide inwards.

As shown in fig. 1, the inner wall of the sliding sleeve 2 is provided with a dustproof boss 20, the dustproof boss 20 is arranged at one end of the sliding sleeve 2 close to the port of the interface, the inner diameter of the dustproof boss 20 is larger than the outer diameter of the interface, and the dustproof boss 20 has a certain blocking effect on external dust entering the sliding sleeve 2.

The elastic element 3 is a spring and has a simple structure.

In this embodiment, the seal receptacle 8 is sealed boss, and sealing washer 4 sets up in the one side that sealed boss is close to the interface port, and the one end that the interface was kept away from to female head body 1 is equipped with the connector, connector and interface intercommunication, and the connector is used for being connected with the pipe fitting, and wherein, is provided with internal thread 16 at connector inner wall, certainly, also can set up the external screw thread at connector outer wall, is connected through screw thread and pipe fitting, and it is convenient to connect the pipe fitting, and the leakproofness is good.

Example two

As shown in fig. 2, the present embodiment provides a quick-insertion locking joint, which is different from the quick-insertion locking joint of the first embodiment in that the outer surface of the sliding sleeve 2 is provided with anti-slip net-shaped protrusions 14, which can increase the friction between the sliding sleeve 2 and the hand, and facilitate pushing the sliding sleeve 2.

Wherein, a connection port for connecting with the pipe is provided as a tail pipe 22, and the pipe is connected with the pipe through the tail pipe 22.

EXAMPLE III

As shown in fig. 3, in the quick-insertion locking joint provided by this embodiment, the seal receptacle 8 is a sealing partition plate, the sealing partition plate seals one end of the female body far away from the interface, the seal ring 4 is disposed on the face of the sealing partition plate near the interface port, and through the arrangement of the sealing partition plate, the pipe fitting can be sealed, and dust can be prevented from entering the pipe fitting.

The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.