CN212776056U

CN212776056U - Self-locking buckle type pneumatic connector

Info

Publication number: CN212776056U
Application number: CN202021660030.2U
Authority: CN
Inventors: 胡立新; 张赞; 南铁铭; 谭明柱
Original assignee: Desto Pneumatic Elements Co ltd
Current assignee: Desto Pneumatic Elements Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-03-23
Anticipated expiration: 2030-08-11

Abstract

The utility model provides a from hasp pressure formula pneumatic joint relates to pneumatic joint technical field, including pneumatic joint body and pneumatic joint plug, be provided with the internal thread groove on the inside wall of the other end of pneumatic joint body, the one end of pneumatic joint plug is provided with adapter sleeve, leaves the mounting groove between adapter sleeve's lateral wall and the inside wall of pneumatic joint plug, is provided with the external thread groove on adapter sleeve's the lateral wall, has spacing sleeve pipe on the pneumatic joint body, and locking Assembly is installed to spacing sheathed tube lateral wall. The utility model discloses in through the setting of internal thread groove and external thread groove, it is fixed to accomplish being connected of pneumatic joint body and pneumatic joint plug, through locking Assembly's setting, has realized the auto-lock withholding after pneumatic joint body and the pneumatic joint plug equipment for whole connection is more fastened, whole utility model structure is simple, and the installation is convenient with the dismantlement, has effectively improved the leakproofness and the stability of pneumatic joint, and the auto-lock is effectual, and the practicality is high.

Description

Self-locking buckle type pneumatic connector

Technical Field

The utility model relates to a pneumatic joint technical field especially relates to a self-locking buckle formula pneumatic joint.

Background

The pneumatic quick connector is a quick connector mainly used for air piping and pneumatic tools, when the connector which can realize pipeline connection or disconnection is not connected without tools, when the ferrule of the parent body moves to the other end, the stainless steel ball automatically rolls outwards, the daughter body is disconnected under the action of the spring force of the common valve of the parent body and the daughter body, the valves of the daughter body and the parent body are respectively closed, and the fluid flow is instantly blocked.

Traditional pneumatic joint design is comparatively simple, and the department that connects lacks the safeguard measure, damages easily, and life is shorter, and connects not fastening enough. The pneumatic connector body and the pneumatic connector plug are inconvenient to install and detach, and after the pneumatic connector body and the pneumatic connector plug are fixed, the self-locking effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-locking buckle formula pneumatic connector to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: a self-locking buckle type pneumatic connector comprises a pneumatic connector body and a pneumatic connector plug, wherein a fixing nut is spirally sleeved at one end of the pneumatic connector body, an inner thread groove is formed in the inner side wall of the other end of the pneumatic connector body, a connecting sleeve is horizontally and fixedly arranged at one end of the pneumatic connector plug, a mounting groove is reserved between the outer side wall of the connecting sleeve and the inner side wall of the pneumatic connector plug, the mounting groove is in clearance fit with the side wall of the pneumatic connector body, a sealing rubber ring is fixedly arranged at the inner bottom of the mounting groove, an outer thread groove is formed in the outer side wall of the connecting sleeve and is in threaded fit with the inner thread groove, and a hose connector is fixedly connected at one end, away from the connecting sleeve, of the pneumatic connector;

the pneumatic connector is characterized in that a limiting sleeve is sleeved at the joint of the pneumatic connector body and the pneumatic connector plug, a locking assembly is mounted between the side wall of the limiting sleeve and the outer side wall of the pneumatic connector plug, a first sealing ring is arranged on the outer side wall of the pneumatic connector plug, and a second sealing ring is arranged on the inner side wall of the limiting sleeve.

Preferably, the inner radius of the limiting sleeve is equal to the outer radius of the pneumatic connector plug.

Preferably, when the pneumatic connector body and the pneumatic connector plug are completely combined, the end part of the pneumatic connector body is tightly combined with the sealing rubber ring.

Preferably, the locking assembly comprises a fixing hole penetrating through the limiting sleeve, a self-locking bolt is slidably arranged in the fixing hole, a limiting top plate is fixedly arranged at the top of the self-locking bolt, a compression spring is sleeved on the outer side of the self-locking bolt, the upper end of the compression spring is fixedly connected with the lower side of the limiting top plate, the lower end of the compression spring is fixedly connected with the outer side wall of the limiting sleeve, a lifting ring is fixedly arranged at the upper end of the limiting top plate, and a self-locking pin groove is formed in the position, close to the port, of the outer side wall of.

Preferably, the length of the self-locking bolt exceeding the lower end of the fixing hole is equal to the depth of the self-locking bolt groove.

Preferably, after the pneumatic connector body and the pneumatic connector plug are completely combined, the first sealing ring and the second sealing ring are tightly combined.

The utility model has the advantages that:

in the utility model, the connection and fixation of the pneumatic connector body and the pneumatic connector plug are completed through the arrangement of the internal thread groove and the external thread groove, the arrangement of the connecting sleeve enables the mounting groove to be formed between the outer side wall of the connecting sleeve and the outer side wall of the pneumatic connector plug, which is beneficial to more stable assembly of the pneumatic connector body, and the upper sealing rubber ring is matched simultaneously, so that the end part of the pneumatic connector body is tightly combined with the sealing rubber ring, thereby ensuring the sealing effect of the whole pneumatic connector, the sealing performance after the pneumatic connector body and the pneumatic connector plug are installed and fixed is further improved through the matching of the first sealing ring and the second sealing ring, the self-locking buckling pressure after the pneumatic connector body and the pneumatic connector plug are assembled is realized through the arrangement of the locking component, the whole connection is more fastened, the whole utility model has simple structure and convenient installation and disassembly, effectively improved pneumatic joint's leakproofness and stability, the auto-lock is effectual, and the practicality is high.

Drawings

Fig. 1 is a schematic structural view of a self-locking buckle-pressing type pneumatic connector of the present invention;

FIG. 2 is a schematic structural view of the pneumatic connector body of the present invention;

FIG. 3 is a schematic view of the pneumatic connector plug of the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the pneumatic connector plug of the present invention;

FIG. 5 is an enlarged view of part A of FIG. 2 according to the present invention;

reference numerals: 1. a pneumatic connector body; 2. a pneumatic connector plug; 3. fixing a nut; 4. an internal thread groove; 5. connecting a sleeve; 6. mounting grooves; 7. sealing the rubber ring; 8. an outer thread groove; 9. a locking assembly; 901. a fixing hole; 902. a self-locking bolt; 903. a limiting top plate; 904. a compression spring; 905. lifting the ring; 906. a self-locking pin slot; 10. a limiting sleeve; 11. a hose connector; 12. a first seal ring; 13. and a second seal ring.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-5, a self-locking buckle-pressing type pneumatic connector comprises a pneumatic connector body 1 and a pneumatic connector plug 2, wherein a fixing nut 3 is spirally sleeved at one end of the pneumatic connector body 1, an inner threaded groove 4 is formed in the inner side wall of the other end of the pneumatic connector body 1, a connecting sleeve 5 is horizontally and fixedly arranged at one end of the pneumatic connector plug 2, a mounting groove 6 is reserved between the outer side wall of the connecting sleeve 5 and the inner side wall of the pneumatic connector plug 2, the mounting groove 6 is in clearance fit with the side wall of the pneumatic connector body 1, a sealing rubber ring 7 is fixedly arranged at the inner bottom of the mounting groove 6, an outer threaded groove 8 is formed in the outer side wall of the connecting sleeve 5, the outer threaded groove 8 is in threaded fit with the inner threaded groove 4, and a hose connector 11 is;

the pneumatic connector comprises a pneumatic connector body 1, and is characterized in that a limiting sleeve 10 is sleeved at the joint of the pneumatic connector body 1 and a pneumatic connector plug 2, a locking assembly 9 is installed between the side wall of the limiting sleeve 10 and the outer side wall of the pneumatic connector plug 2, a first sealing ring 12 is arranged on the outer side wall of the pneumatic connector plug 2, and a second sealing ring 13 is arranged on the inner side wall of the limiting sleeve 10.

Locking assembly 9 is including running through the fixed orifices 901 that sets up on stop collar 10, the inside slidable mounting of fixed orifices 901 has auto-lock bolt 902, the top fixed mounting of auto-lock bolt 902 has stop collar 903, the outside cover of auto-lock bolt 902 has compression spring 904, the upper end of compression spring 904 and stop collar 903's downside fixed connection, compression spring 904's lower extreme and stop collar 10's lateral wall fixed connection, the fixed lifting ring 905 that is provided with in stop collar 903's upper end, the position that pneumatic joint plug 2's lateral wall is close to the port is provided with auto-lock cotter way 906.

The working principle is as follows:

in the use of whole pneumatic joint, with the alignment of the open end of pneumatic joint body 1 and pneumatic joint plug 2, then insert pneumatic joint body 1 along the mounting groove 6 position of pneumatic joint plug 2, then rotate pneumatic joint plug 2, make the interior thread groove 4 on the pneumatic joint body 1 mutually support with the exterior thread groove 8 on the connecting sleeve 5 lateral wall, in gradually revolving into the mounting groove 6 of pneumatic joint plug 2 with the lateral wall of pneumatic joint body 1, after the tip of pneumatic joint body 1 and the sealed rubber ring 7 of mounting groove 6 bottom combine closely, the left end and the stop collar 10 in close contact with of pneumatic joint plug 2, first sealing washer 12 is in the same place with the inseparable combination of second sealing washer 13, pneumatic joint body 1 and pneumatic joint plug 2 at this moment combine completely.

In whole concatenation in-process, with the hand pulling pull ring 905, make spacing roof 903 drive auto-lock bolt 902 upward movement, simultaneously, compression spring 904 provides a decurrent pulling force to spacing roof 903, when the lower extreme of auto-lock bolt 902 is higher than the lower extreme exit position of fixed orifices 901, pneumatic joint plug 2 alright with the inside of light inserting spacing sleeve 10, then send down and carry pull ring 905, under compression spring 904's pulling force effect, make spacing roof 903 drive auto-lock bolt 902 downward movement, the lower extreme and the auto-lock keyway 906 of auto-lock bolt 902 combine closely, realize automatic locking.

The disassembly of the whole pneumatic joint is also simple, the lifting ring 905 is pulled to separate the self-locking bolt 902 from the self-locking bolt slot 906, and then the pneumatic joint plug 2 is rotated to enable the external thread slot 8 on the outer side wall of the connecting sleeve 5 to be in thread fit with the internal thread slot 4 on the pneumatic joint body 1 until the whole pneumatic joint plug 2 is completely screwed out.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a self-locking buckle formula pneumatic connector, includes pneumatic connector body (1) and pneumatic connector plug (2), its characterized in that:

a fixing nut (3) is spirally sleeved at one end of the pneumatic connector body (1), an inner thread groove (4) is formed in the inner side wall of the other end of the pneumatic connector body (1), a connecting sleeve (5) is horizontally and fixedly arranged at one end of the pneumatic connector plug (2), a mounting groove (6) is reserved between the outer side wall of the connecting sleeve (5) and the inner side wall of the pneumatic connector plug (2), the mounting groove (6) is in clearance fit with the side wall of the pneumatic connector body (1), a sealing rubber ring (7) is fixedly arranged at the inner bottom of the mounting groove (6), an outer thread groove (8) is formed in the outer side wall of the connecting sleeve (5), the outer thread groove (8) is in threaded fit with the inner thread groove (4), and a hose connector (11) is fixedly connected to one end, far away from the connecting sleeve (5), of the pneumatic connector plug (2;

the pneumatic connector is characterized in that a limiting sleeve (10) is sleeved at the joint of the pneumatic connector body (1) and the pneumatic connector plug (2), a locking assembly (9) is installed between the side wall of the limiting sleeve (10) and the outer side wall of the pneumatic connector plug (2), a first sealing ring (12) is arranged on the outer side wall of the pneumatic connector plug (2), and a second sealing ring (13) is arranged on the inner side wall of the limiting sleeve (10).

2. The self-latching, and pressing pneumatic connector of claim 1, further comprising: the inner side radius of the limiting sleeve (10) is equal to the outer side radius of the pneumatic connector plug (2).

3. The self-latching, and pressing pneumatic connector of claim 1, further comprising: when the pneumatic connector body (1) and the pneumatic connector plug (2) are completely combined, the end part of the pneumatic connector body (1) is tightly combined with the sealing rubber ring (7).

4. The self-latching, and pressing pneumatic connector of claim 1, further comprising: locking Assembly (9) including running through fixed orifices (901) of setting on stop collar (10), the inside slidable mounting of fixed orifices (901) has auto-lock bolt (902), and the top fixed mounting of auto-lock bolt (902) has stop plate (903), and the outside cover of auto-lock bolt (902) has compression spring (904), the lower side fixed connection of the upper end and stop plate (903) of compression spring (904), the lower extreme of compression spring (904) and the lateral wall fixed connection of stop collar (10), the fixed lift ring (905) that is provided with in upper end of stop plate (903), the position that the lateral wall of pneumatic joint plug (2) is close to the port is provided with auto-lock cotter way (906).

5. The self-latching, and pressing pneumatic connector of claim 4, further comprising: the length of the self-locking bolt (902) beyond the lower end of the fixing hole (901) is equal to the depth of the self-locking bolt groove (906).

6. The self-latching, and pressing pneumatic connector of claim 1, further comprising: after the pneumatic connector body (1) and the pneumatic connector plug (2) are completely combined, the first sealing ring (12) and the second sealing ring (13) are tightly combined.