CN215172190U

CN215172190U - Thin wall end face plugging quick connector

Info

Publication number: CN215172190U
Application number: CN202121476948.6U
Authority: CN
Inventors: 何冠军; 苏洪松
Original assignee: Longen Tianjin Leak Testing Technology Co ltd
Current assignee: Longen Tianjin Leak Testing Technology Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-14
Anticipated expiration: 2031-06-29

Abstract

The utility model provides a thin wall terminal surface shutoff quick connector, the upper end fixed connection of overcoat is to the lower extreme of back seat, the hand is good in the installation of back seat upper end, the overcoat periphery sets up the spigot joint, the peripheral sliding connection of piston is to the inner circle of overcoat, and the upper end of the fixed joint jack catch of piston lower extreme, the piston inner circle sets up the dabber, fixed connection is good in the one end of hand after the one end of dabber passes the back seat, the other end sliding connection of dabber is to the lower extreme inner edge of jack catch, the overcoat lower extreme sets up first sealing washer, and the peripheral contact of first sealing washer is connected to the upper end of appearance piece. Thin wall terminal surface shutoff quick connector, the mode that constitutes appearance piece sealing connection is that the boss that the jack catch lower extreme set up, the lower extreme of overcoat are located the both ends of appearance piece respectively and closely laminate, the leakproofness of overcoat and the laminating of appearance piece terminal surface is ensured to first sealing washer, has ensured that this connector can not lead to the fact gas leakage because of the tight appearance through-hole deformation that expands, ensures to accomplish airtight test, easy operation, convenient and fast.

Description

Thin wall end face plugging quick connector

Technical Field

The utility model belongs to the technical field of the connector, especially, relate to a thin wall terminal surface shutoff quick connector.

Background

The air tightness test of the whole machine and partial parts of the electrical equipment is a part of the equipment reliability test, when the pressure or vacuum test is carried out on the equipment or the parts, the pipe fitting needs to be ventilated or exhausted after being sealed, the pipe fitting connection mode in the prior art is usually sealed by a hoop tightening mechanism or other detachable mechanisms, the partial function can also be realized by adopting a pipe connector, meanwhile, the pipe connector provides an air path for the tested equipment or the parts, the connector in the prior art is usually complex in structure and inconvenient to operate, the complex operability reduces the working efficiency and increases the test cost under the condition of facing simpler working conditions, meanwhile, the structural strength of the connection end surfaces of some electrical appliances is lower, the thickness of the product shell is lower, through holes on the thin-wall end surface are often expanded and deformed when the connector in the prior art is used, and the sealing is not tight, and the airtightness test cannot be completed.

Disclosure of Invention

In view of this, the utility model aims at providing a thin wall terminal surface shutoff quick connector to solve prior art's connector under the operating mode of thin wall terminal surface, with thin wall test through-hole tight deformation that expands, lead to sealed not tight, and can't accomplish the problem of airtight test.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a thin wall terminal surface shutoff quick connector, dabber including overcoat and inside setting, piston and jack catch, the upper end fixed connection of overcoat is to the lower extreme of back seat, the hand is good in the installation of back seat upper end, the overcoat periphery sets up connects the mouth, the peripheral sliding connection of piston is to the inner circle of overcoat, and the upper end of the fixed joint jack catch of piston lower extreme, the piston inner circle sets up the dabber, the one end of dabber passes the one end of fixed connection to good hand behind the back seat, the other end sliding connection of dabber is to the lower extreme inner edge of jack catch, the overcoat lower extreme sets up first sealing washer, and the peripheral contact of first sealing washer is connected to the upper end of appearance piece, dabber and piston relative motion, and relative motion's dabber and piston constitute the structure that opens and shuts of appearance piece through-hole.

Furthermore, the periphery of the mandrel is provided with a first spring, one end of the first spring is fixedly connected to the upper end of the piston, and the other end of the first spring is fixedly connected to the inner wall of the upper end of the rear seat.

Further, the piston lower extreme sets up card platform and snap ring respectively, and dabber, snap ring, jack catch and card platform set up from inside to outside and with one heart in proper order, are equipped with the gap between card platform and the snap ring, the outer joint in upper end of jack catch to in the gap.

Furthermore, the inner wall of the outer sleeve is provided with a first ring platform, the periphery of the lower end of the clamping platform is provided with a first ring groove, and the periphery of the first ring platform is connected into the first ring groove in a contact manner.

Furthermore, the periphery of the mandrel is provided with a locking nut and a second spring, the locking nut and the second spring are both positioned inside the rear seat, and two ends of the second spring are respectively and fixedly connected to the upper end of the locking nut and the lower end of the handle.

Furthermore, a second ring platform is arranged on the periphery of the mandrel, and the upper end of the second ring platform is clamped to the lower end of the piston.

Further, second sealing rings are arranged between the periphery of the piston and the outer sleeve inner ring and between the periphery of the mandrel and the piston inner ring.

Furthermore, the lower end of the mandrel is provided with a ramp, the cross section of the ramp is of a circular truncated cone structure, and the periphery of the ramp is connected to the inner ring at the lower end of the clamping jaw in a sliding mode.

Furthermore, the periphery of the lower end of the clamping jaw is provided with a tension spring, the tension spring is provided with internal contraction stress, the lower end of the clamping jaw is provided with a boss, the periphery of the clamping jaw is in contact connection with the through hole of the sample piece, and the boss is clamped to the lower end of the sample piece.

Compared with the prior art, thin wall terminal surface shutoff quick connector have following beneficial effect: the mode that constitutes appearance piece sealing connection is the boss that the jack catch lower extreme set up, the lower extreme of overcoat is located the both ends of appearance piece respectively and closely laminates, the leakproofness of overcoat and the laminating of appearance piece terminal surface is ensured to first sealing washer, the staff injects gas or bleeds to the inside gas injection of appearance piece through the connector, in order to accomplish the airtight test of appearance piece, ensured this connector under the operating mode of thin wall terminal surface, can not cause gas leakage because of the tight appearance piece through-hole deformation that expands, ensure to accomplish airtight test, and the operation is simple, and is convenient and fast.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a thin-wall end face plugging quick connector according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a thin-walled end face plugging quick connector according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the cooperation of the mandrel, the second spring and the lock nut according to the embodiment of the present invention;

fig. 4 is a schematic structural view of the piston and jaw assembly according to the embodiment of the present invention;

fig. 5 is a cross-sectional view of a piston according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of the rear seat, the outer cover, and the piston according to an embodiment of the present invention.

Description of reference numerals:

1-coating; 101-a first ring platform; 2-good hand; 3-a mandrel; 31-a ramp; 32-a second ring land; 4-clamping jaws; 41-boss; 5-a piston; 51-a cassette; 52-a snap ring; 6-sample piece; 7-a rear seat; 8-a first spring; 9-a second spring; 10-a nozzle; 11-a first sealing ring; 12-a lock nut; 13-a second sealing ring; 14-tension spring.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-6, the thin-walled end face plugging quick connector comprises an outer sleeve 1 and a mandrel 3, a piston 5 and a jaw 4 arranged in the outer sleeve, wherein the upper end of the outer sleeve 1 is fixedly connected to the lower end of a rear seat 7, a good hand 2 is arranged at the upper end of the rear seat 7, and the good hand 2 is the prior art, a connector 10 is arranged at the periphery of the outer sleeve 1, the periphery of the piston 5 is slidably connected to the inner ring of the outer sleeve 1, the lower end of the piston 5 is fixedly clamped to the upper end of the jaw 4, the inner ring of the piston 5 is provided with the mandrel 3, one end of the mandrel 3 penetrates through the rear seat 7 and is fixedly connected to one end of the good hand 2, the other end of the mandrel 3 is slidably connected to the inner edge of the lower end of the jaw 4, the lower end of the outer sleeve 1 is provided with a first sealing ring 11, the periphery of the first sealing ring 11 is in contact connection with the upper end of a sample piece 6, the mandrel 3 and the piston 5 move relatively, and the mandrel 3 and the piston 5 which move relatively form an open-close structure of a through hole of the sample piece 6, the lower end of the mandrel 3 is provided with a slope table 31, the cross section of the slope table 31 is of a circular truncated cone structure, the periphery of the slope table 31 is connected to the inner ring at the lower end of the jaw 4 in a sliding manner, the structure of the jaw 4 is the prior art, the slope table 31 arranged at the lower end of the mandrel 3 is of a reducing structure at the lower end of the jaw 4, when a worker presses down the hand 2, the piston 5 and the mandrel 3 move relatively, the upper end of the jaw 4 is fixedly clamped with the lower end of the piston 5, so that the jaw 4 and the mandrel 3 move relatively, when the outer diameter of the lower end of the jaw 4 is gradually increased under the influence of the slope table 31, the connector is considered to be clamped with the end surface of the sample 6, the sample 6 is in a sealing connection manner that the boss 41 arranged at the lower end of the jaw 4 and the lower end of the outer sleeve 1 are respectively located at two ends of the sample 6 and are tightly jointed, the first sealing ring 11 ensures the sealing performance that the outer sleeve 1 is jointed with the end surface of the sample 6, and the worker injects or exhausts air into the interior of the sample 6 through the connecting nozzle 10, in order to accomplish the airtight test of sample 6, ensured this connector under the operating mode of thin wall terminal surface, can not the tight sample 6 through-holes of excessive bloating, ensure to accomplish airtight test and do not cause the damage to the product, easy operation, convenient and fast.

The periphery of dabber 3 sets up first spring 8, and the one end fixed connection of first spring 8 to the upper end of piston 5, and the other end fixed connection of first spring 8 is the elasticity of piston 5 and resets the structure to inner wall on back seat 7 for the connector in-process that opens and shuts, the elasticity of piston 5 resets.

The lower end of the piston 5 is provided with a clamping table 51 and a clamping ring 52 respectively, the mandrel 3, the clamping ring 52, the jaw 4 and the clamping table 51 are sequentially arranged from inside to outside and concentrically, a gap is formed between the clamping table 51 and the clamping ring 52, and the periphery of the upper end of the jaw 4 is clamped in the gap to ensure the installation stability of the jaw 4.

The inner wall of the outer sleeve 1 is provided with a first ring platform 101, the periphery of the lower end of the clamping platform 51 is provided with a first ring groove, the periphery of the first ring platform 101 is in contact connection with the first ring groove, the space between the first ring platform 101 and the rear seat 7 is the moving space of the piston 5, the piston 5 which is elastically stressed by a first spring 8 floats and moves in the moving space, the expansion of a through hole of a sample piece 6 caused by the excessive matching of the inner edge of the lower end of the clamping jaw 4 and a slope platform 31 of the mandrel 3 is prevented, the first ring platform 101 is used for stopping the downward displacement of the piston 5, meanwhile, the floating space is arranged in the displacement direction of the mandrel 3, the periphery of the mandrel 3 is provided with a locking nut 12 and a second spring 9, the locking nut 12 and the second spring 9 are both positioned in the rear seat 7, two ends of the second spring 9 are respectively and fixedly connected to the upper end of the locking nut 12 and the lower end of the handle 2, the second spring 9 is an elastic reset and floating structure of the locking nut 12, and the locking nut 12 and the 3 are fixed to realize synchronous movement, the upper end of the locking nut 12 and the lower end of the handle 2 form a displacement floating space of the mandrel 3, the second spring 9 is an elastic resetting structure of the mandrel 3 and is used for elastically resetting the mandrel 3 in the opening and closing process of the connector, meanwhile, a second ring platform 32 is arranged on the periphery of the mandrel 3, the upper end of the second ring platform 32 is clamped to the lower end of the piston 5, and the second ring platform 32 is used for stopping the upward displacement of the mandrel 3.

And second sealing rings 13 are arranged between the periphery of the piston 5 and the inner ring of the outer sleeve 1 and between the periphery of the mandrel 3 and the inner ring of the piston 5, so that the sealing of the parts is ensured.

The use process of the thin-wall end face plugging quick connector comprises the following steps:

the worker puts the lower end of the clamping jaw 4 into the through hole of the sample piece 6, the lower end of the outer sleeve 1 is abutted to the upper end of the sample piece 6, the outer sleeve 1 is held by the worker, then the worker presses down the operating rod of the hand 2, when the operating rod draws an arc along the axis of one end, one end of the hand 2 drives the mandrel 3 to move upwards, the periphery of the slope table 31 at the lower end of the mandrel 3 slides to the inner ring at the lower end of the clamping jaw 4, the lower end of the clamping jaw 4 is influenced by the slope table 31 to change the diameter, so that the outer diameter of the lower end of the clamping jaw 4 is increased to be in contact with the inner wall of the through hole of the sample piece 6, the periphery of the clamping jaw 4 cannot be increased under the influence of the aperture of the through hole of the sample piece 6, the slope table 31 drives the clamping jaw 4 and the piston 5 to move upwards, the first spring 8 and the second spring 9 are continuously compressed in the process, when the clamping lug 41 is clamped to the lower end of the sample piece 6, the clamping jaw 4, the piston 5 and the mandrel 3 cannot move upwards, at the moment, the outer sleeve 1 is forced to move downwards until the worker presses the hand 2 in place downwards, namely, the through hole of the sample piece 6 is sealed.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Thin wall terminal surface shutoff quick connector, its characterized in that: comprises an outer sleeve (1) and a mandrel (3), a piston (5) and a clamping jaw (4) which are arranged in the outer sleeve, wherein the upper end of the outer sleeve (1) is fixedly connected to the lower end of a rear seat (7), a good hand (2) is arranged at the upper end of the rear seat (7), a nozzle (10) is arranged on the periphery of the outer sleeve (1), the periphery of the piston (5) is connected to the inner ring of the outer sleeve (1) in a sliding manner, the lower end of the piston (5) is fixedly clamped with the upper end of the clamping jaw (4), the inner ring of the piston (5) is provided with a mandrel (3), one end of the mandrel (3) passes through the rear seat (7) and then is fixedly connected to one end of the handle (2), the other end of the mandrel (3) is connected to the inner edge of the lower end of the clamping jaw (4) in a sliding manner, the lower end of the outer sleeve (1) is provided with a first sealing ring (11), the periphery of the first sealing ring (11) is connected to the upper end of the sample piece (6) in a contact way, the mandrel (3) and the piston (5) move relatively, and the core shaft (3) and the piston (5) which move relatively form an opening and closing structure of the through hole of the sample piece (6).

2. The thin-walled end-face capped quick connector of claim 1, wherein: the periphery of the mandrel (3) is provided with a first spring (8), one end of the first spring (8) is fixedly connected to the upper end of the piston (5), and the other end of the first spring (8) is fixedly connected to the inner wall of the upper end of the rear seat (7).

3. The thin-walled end-face capped quick connector of claim 1, wherein: piston (5) lower extreme sets up respectively and sets up ka tai (51) and snap ring (52), and dabber (3), snap ring (52), jack catch (4) and ka tai (51) set up from inside to outside and with one heart in proper order, are equipped with the gap between ka tai (51) and snap ring (52), the outer joint in upper end of jack catch (4) is to in the gap.

4. The thin-walled end-face capped quick connector of claim 3, wherein: the inner wall of the outer sleeve (1) is provided with a first annular table (101), the periphery of the lower end of the clamping table (51) is provided with a first annular groove, and the periphery of the first annular table (101) is connected into the first annular groove in a contact mode.

5. The thin-walled end-face capped quick connector of claim 1, wherein: the periphery of the mandrel (3) is provided with a locking nut (12) and a second spring (9) respectively, the locking nut (12) and the second spring (9) are located inside the rear seat (7), and two ends of the second spring (9) are fixedly connected to the upper end of the locking nut (12) and the lower end of the handle (2) respectively.

6. The thin-walled end-face capped quick connector of claim 1, wherein: a second ring platform (32) is arranged on the periphery of the mandrel (3), and the upper end of the second ring platform (32) is clamped to the lower end of the piston (5).

7. The thin-walled end-face capped quick connector of claim 1, wherein: and second sealing rings (13) are arranged between the periphery of the piston (5) and the inner ring of the outer sleeve (1) and between the periphery of the mandrel (3) and the inner ring of the piston (5).

8. The thin-walled end-face capped quick connector of claim 1, wherein: the lower end of the mandrel (3) is provided with a slope table (31), the cross section of the slope table (31) is of a circular truncated cone structure, and the periphery of the slope table (31) is connected to the inner ring at the lower end of the clamping jaw (4) in a sliding mode.

9. The thin-walled end-face capped quick connector of claim 1, wherein: the periphery of the lower end of the clamping jaw (4) is provided with a tension spring (14), the tension spring (14) is provided with internal contraction stress, the lower end of the clamping jaw (4) is provided with a boss (41), the periphery of the clamping jaw (4) is in contact connection with the through hole of the sample piece (6), and the boss (41) is clamped to the lower end of the sample piece (6).