阅读说明：本技术 对插快换气路接头 (Opposite-insertion quick-change gas circuit connector ) 是由 赵鹏飞 李勇 钱程 张建生 孙志东 于 2021-09-17 设计创作，主要内容包括：本发明涉及一种对插快换气路接头,包括快换公头和快换母头,快换母头一端具有插接空腔,快换公头具有插头部及限位部,插头部与限位部之间具有滑槽,滑槽内套接有锥套,锥套的直径从左往右逐渐增大,且其最大直径大于插接空腔的直径,快换母头上沿其周向均匀设置有若干贯穿其壁厚的滑动插销,滑动插销插接入滑槽内,快换母头外壁开设有环形锁紧槽,环形锁紧槽内套设有弹性卡簧。本发明通过特殊设计的锥套及滑动插销相配合,能够实现公头和母头的快速拆装,便于安装维护,且不影响其密封性,能够重复使用,降低了管路连接劳动强度,大大提高了连接效率及使用寿命。(The invention relates to a plug-in quick-change gas circuit connector which comprises a quick-change male head and a quick-change female head, wherein one end of the quick-change female head is provided with a plug cavity, the quick-change male head is provided with a plug part and a limiting part, a sliding groove is arranged between the plug part and the limiting part, a taper sleeve is sleeved in the sliding groove, the diameter of the taper sleeve is gradually increased from left to right, the maximum diameter of the taper sleeve is larger than that of the plug cavity, a plurality of sliding bolts penetrating through the wall thickness of the quick-change female head are uniformly arranged on the quick-change female head along the circumferential direction of the quick-change female head, the sliding bolts are plugged into the sliding groove, the outer wall of the quick-change female head is provided with an annular locking groove, and an elastic snap spring is sleeved in the annular locking groove. According to the invention, through the matching of the specially designed taper sleeve and the sliding bolt, the quick disassembly and assembly of the male head and the female head can be realized, the installation and maintenance are convenient, the sealing performance is not influenced, the pipe joint can be repeatedly used, the labor intensity of the pipeline connection is reduced, the connecting efficiency is greatly improved, and the service life is greatly prolonged.)

1. The utility model provides a to inserting quick change gas circuit connector, includes the public head of quick change and the female head of quick change of pegging graft mutually, its characterized in that: one end of the quick-change female head is provided with an inserting cavity, the quick-change male head is provided with a plug part which can be inserted into the inserting cavity and a limiting part which limits the inserting depth of the plug part, a sliding groove is arranged between the plug part and the limiting part, a taper sleeve capable of axially sliding is sleeved in the sliding groove, the diameter of the taper sleeve is gradually increased from one end close to the limiting part to the other end close to the plug part, and its maximum diameter is greater than the diameter of grafting cavity, evenly be provided with a plurality of slip bolts that run through its wall thickness along its circumference on the quick change female, the slip bolt is pegged graft and is gone into the spout and can restrict plug portion and deviate from the grafting cavity, and the female outer wall of quick change has seted up annular locking groove, and annular locking groove corresponds the setting in the slip bolt outer end, and the annular locking inslot endotheca is equipped with the elasticity jump ring that is used for restricting the slip bolt to deviate from in the quick change female, and the elasticity jump ring provides a centripetal force for each bolt all the time.

2. The plug-in quick-change gas circuit connector according to claim 1, wherein: plug portion is provided with multichannel sealing washer between sealing portion and the grafting cavity inner wall including the guide part that is the taper and be cylindrical sealing portion.

3. The plug-in quick-change gas circuit connector according to claim 1, wherein: the outer end of the inserting cavity is provided with a guide groove for sliding of the taper sleeve, and the diameter of the guide groove is larger than the maximum diameter of the taper sleeve.

4. The plug-in quick-change gas circuit connector according to claim 1, wherein: two annular locking grooves are formed in the outer wall of the quick-change female head, and an embedded groove capable of being embedded by the elastic clamp spring is formed in the outer end of the sliding bolt.

5. The plug-in quick-change gas circuit connector according to claim 1, wherein: and one end of the quick-change male head, which is far away from the plug part, is provided with a sealing taper thread.

6. The plug-in quick-change gas circuit connector according to claim 1, wherein: a plurality of key grooves are formed in one side, opposite to the quick-change female head, of the limiting portion, and a plurality of keys capable of being embedded into the key grooves are arranged on one side, opposite to the limiting portion, of the quick-change female head.

Technical Field

The invention relates to the technical field of pneumatic and hydraulic driving, in particular to a plug-in quick-change gas circuit connector for a gas supply pipeline of an electric spindle.

Background

In the machining process of the electric spindle, an air source needs to be provided when a tool is changed, and the air source enters the electric spindle through the air path connector. The existing pneumatic and hydraulic loop pipeline connectors are connectors which are not quickly replaced, such as flared connectors, clamping sleeves, welding connectors and the like. The air circuit connectors in quick-insertion modes need to be quickly inserted by matching two hands of an operator to realize quick insertion, the disassembly is not convenient, the tightness after frequent disassembly is reduced, and the service life is short.

Disclosure of Invention

In order to solve the technical problems, the invention adopts the oppositely-inserted quick-change gas circuit connector which has the advantages of simple structure, convenient assembly and disassembly, good sealing performance and long service life.

The invention is realized by the following technical scheme:

a plug-in quick-change gas circuit connector comprises a quick-change male head and a quick-change female head which are mutually plugged, wherein a plug cavity is arranged at one end of the quick-change female head, the quick-change male head is provided with a plug part which can be plugged into the plug cavity and a limiting part which limits the insertion depth of the plug part, a sliding chute is arranged between the plug part and the limiting part, a taper sleeve which can slide axially is sleeved in the sliding chute, the diameter of the taper sleeve is gradually increased from one end close to the limiting part to the other end close to the plug part, the maximum diameter D of the taper sleeve is larger than the diameter D of the plug cavity, a plurality of sliding bolts penetrating through the wall thickness of the quick-change female head are uniformly arranged on the quick-change female head along the circumferential direction of the quick-change female head, the sliding bolts are plugged into the sliding chute and can limit the plug part to be separated from the plug cavity, an annular locking groove is arranged on the outer wall of the quick-change female head and correspondingly arranged at the outer end of the sliding bolts, an elastic snap spring used for limiting the sliding bolts to be separated from the quick-change female head is sleeved in the annular locking groove, the elastic clamp spring always provides a centripetal force for each bolt.

In order to facilitate the plug part to be plugged, and ensure the leakproofness, the plug part is provided with the multichannel sealing washer between sealing part and the grafting cavity inner wall including the guide part that is the taper and be cylindrical sealing part.

In order to facilitate the movement of the taper sleeve and avoid the blockage of the taper sleeve, the outer end of the inserting cavity is provided with a guide groove for the movement of the taper sleeve, the diameter of the guide groove is larger than the maximum diameter of the taper sleeve, and the guide groove and the guide sleeve are loosely matched to ensure the relative free sliding.

In order to effectively tighten up the sliding bolt towards the center, two annular locking grooves are formed in the outer wall of the quick-change female head, and an embedded groove capable of being embedded by the elastic clamp spring is formed in the outer end of the sliding bolt.

In order to ensure the installation tightness of the quick-change male head, one end of the quick-change male head, which is far away from the plug part, is provided with a sealing taper thread.

In order to realize the quick disengagement of the male head and the female head, one side of the female head of the relative quick change of the limiting part is provided with a plurality of key grooves, and one side of the female head of the relative limiting part of the quick change is provided with a plurality of keys capable of being embedded into the key grooves.

The invention has the beneficial effects that: according to the invention, through the matching of the specially designed taper sleeve and the sliding bolt, the quick disassembly and assembly of the male head and the female head can be realized, the installation and maintenance are convenient, the sealing performance is not influenced, the pipe joint can be repeatedly used, the labor intensity of the pipeline connection is reduced, the connecting efficiency is greatly improved, and the service life is greatly prolonged.

Drawings

Fig. 1 is an external structural schematic diagram of the plug-in quick-change gas circuit connector of the invention.

Fig. 2 is a schematic view of the internal structure of the plug-in quick-change gas circuit connector of the invention.

Fig. 3 is a schematic diagram illustrating the state of the quick insertion process A, B of the plug-in quick-change gas circuit connector according to the present invention.

Fig. 4 is a schematic diagram illustrating the state of the quick insertion process C, D of the plug-in quick-change gas circuit connector according to the present invention.

Fig. 5 is a schematic diagram illustrating the quick disconnection A, B procedure of the plug-in quick-change gas circuit connector according to the present invention.

Fig. 6 is a schematic diagram illustrating the quick disconnection C, D procedure of the plug-in quick-change gas circuit connector according to the present invention.

Fig. 7 is a schematic diagram illustrating the state of the quick-release process E, F for the plug-in quick-change gas circuit connector according to the present invention.

Fig. 8 is a schematic structural diagram of another embodiment of the present invention.

Fig. 9 is a schematic view illustrating a key groove and a key in a key insertion state according to another embodiment of the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention more readily understood by those skilled in the art, and thus will more clearly and distinctly define the scope of the invention. The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.

Example 1:

as shown in fig. 1, the plug-in quick-change gas circuit connector comprises a quick-change male head 1 and a quick-change female head 2 which are connected with each other in an inserting manner, the right end of the quick-change male head 1 is connected into the quick-change female head 2 in an inserting manner, the left end of the quick-change male head 1 is provided with a sealing taper thread 4, and the middle part of the quick-change male head is provided with an outer hexagonal structure 3.

As shown in fig. 2, the left end of the quick-change female head 2 has a cylindrical insertion cavity, the quick-change male head has a plug portion 5 capable of being inserted into the insertion cavity and a limit portion 6 for limiting the insertion depth of the plug portion 5, the plug portion includes a tapered guide portion and a cylindrical sealing portion, two sealing rings 10 are disposed between the sealing portion and the inner wall of the insertion cavity, a sliding groove is disposed between the plug portion 5 and the limit portion 6, a taper sleeve 7 capable of freely sliding in the axial direction is sleeved in the sliding groove, the diameter of the taper sleeve 7 gradually increases from left to right, the maximum diameter D of the right end of the taper sleeve is slightly larger than the diameter D of the insertion cavity, the inner wall of the left end of the insertion cavity has a guide groove capable of allowing the taper sleeve 7 to move, the diameter of the guide groove is slightly larger than the maximum diameter D of the taper sleeve 7, the left end of the quick-change female head 2 is uniformly provided with a plurality of sliding bolts 8 penetrating through the wall thickness of the quick-change female head along the circumferential direction, the 8 grafting of slip bolt is gone into in the spout and can restrict plug portion 5 and deviate from the grafting cavity, 8 left ends of slip bolt have the guiding surface that inclines down right, twice annular locking groove has been seted up to the female 2 outer walls of quick change, annular locking groove corresponds the setting in 8 outer ends of slip bolt, and the 8 outer ends of slip bolt have been seted up twice caulking groove, twice caulking groove is in on same circumference with twice annular locking groove respectively, tighten up each slip bolt 8 to the center through embedding elasticity jump ring 9 in twice caulking groove and the twice annular locking groove.

When the quick plug is inserted, as shown in fig. 3 and 4, in the state a, the quick-change male head 1 is slowly pushed into the quick-change female head 2; in the state B, due to the thrust of the plug part 5 of the quick-change male head, each sliding bolt 8 is outwards expanded along the conical surface in the radial direction; in the state C, the plug is continuously inserted, and the sliding bolt 8 slides to the cylindrical surface of the plug part 5 along the conical surface; when the plug is in the state D, the plug is continuously inserted, the sliding bolt 8 crosses the cylindrical surface, and under the action of the elastic clamp spring, the sliding bolt 8 moves inwards along the radial direction to reset and abuts against the end surface of the plug part 5, so that the male head and the female head are buckled with each other and cannot be separated; when positive pressure gas is introduced into the air passage, the right end surface of the quick-change male head 1 and the inner end surface of the insertion cavity of the quick-change female head 2 are stressed by positive pressure, so that the male head and the female head are tensioned in a back-to-back manner.

When the quick release is carried out, as shown in fig. 5-7, in the state A, the quick-change male head 1 is continuously pushed to move into the quick-change female head 2; in the state B, the sliding bolt 8 is in contact with the taper sleeve 7, and due to the limiting of the limiting part, the sliding bolt 8 is outwards opened along the inclined plane under the action of external force; in the state C, the plug-in is continued until the limit is pushed still, and at the moment, the sliding plug pin 8 slides to the outer conical surface of the taper sleeve 7; in the state D, the female head is pulled out, and the taper sleeve 7 moves rightwards along the sliding groove under the action of external force until the position is limited; in the state E, the female head is continuously pulled out, the taper sleeve 7 is fixed in position, and the sliding bolt 8 passes over the outer conical surface of the taper sleeve 7; in the state F, the female head is continuously pulled out, the sliding bolt 8 reaches the cylindrical surface of the plug part 5, and the male head and the female head can be separated.

Example 2:

the difference from the embodiment 1 is that: two key grooves 11 which are 180 degrees and are oppositely arranged are further formed in one side (lower side in the figure) of the outer hexagonal structure 3 (limiting part) opposite to the quick-change female head 2, and two oval keys 12 which can be embedded into the key grooves are arranged on one side (upper side in the figure) of the quick-change female head 2 opposite to the limiting part.

The fast insertion process differs from example 1 in that: in the process of inserting the quick-change male head and the quick-change female head, the key groove 11 and the key 12 are kept in a misaligned state or a staggered state, so that the sliding insert is prevented from slightly abutting against the outer conical surface of the taper sleeve even when the male head and the female head are inserted to the bottom, and the possibility of disengagement after stress is avoided; (example 1 in the process of plugging, the force is too large, the female head can be directly leaned against the end surface of the limiting part, so that the plug is slightly propped against the outer conical surface of the taper sleeve, and the possibility of air inflation or external force disengagement can be generated).

The quick release process differs from example 1 in that: when the plug is disengaged, the quick-change male head and the quick-change female head are rotated to align the key groove 11 with the key 12, the key 12 is continuously inserted into the key groove 11 until the limiting position is pushed immovably, as shown in fig. 9, the sliding bolt 8 slides to the outer conical surface of the taper sleeve 7 at the moment, the left end and the right end of the taper sleeve 7 are limited, the female head is pulled out, and the sliding bolt 8 can be completely pulled out from the outer conical surface of the taper sleeve 7 to the cylindrical surface of the male head.

In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.