CN215173100U

CN215173100U - Threaded connector convenient to operate

Info

Publication number: CN215173100U
Application number: CN202121203519.1U
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: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-14
Anticipated expiration: 2031-05-31

Abstract

The utility model provides a threaded connector convenient to operation, back seat lower extreme fixed mounting is to the upper end of overcoat, and the articulated one end to the handle in back seat upper end, the peripheral sliding connection of dabber to piston inner circle, the peripheral sliding connection of piston is to the overcoat inner circle, the both ends difference fixed connection of spring is to the periphery of piston, the lower extreme inner wall of overcoat, the upper end fixed mounting of jack catch is to the lower extreme of piston, jack catch lower extreme external diameter and dabber lower extreme external diameter synchronous change, the inside button that sets up of back seat, the upper end contact connection of button is to the periphery of handle, the lower extreme contact connection of button is to the upper end of piston. Threaded connector convenient to operation, the rubber ring makes jack catch and dabber closely laminate to when realizing jack catch and dabber relative motion, jack catch lower extreme external diameter and dabber lower extreme external diameter synchronous variation, staff's erection joint ware of being convenient for makes the labour saving operation, increases work efficiency.

Description

Threaded connector convenient to operate

Technical Field

The utility model belongs to sealed testing arrangement field especially relates to a threaded connector convenient to operation.

Background

The airtight test of the whole machine of electrical equipment and some parts, it is a part of its equipment reliability test, when carrying on pressure or vacuum test to equipment or part, need to ventilate or bleed after sealing the pipe fitting, the pipe fitting connected mode among the prior art often adopts clamp cramp or other detachable mechanisms to seal up, also can adopt the pipe connector to realize this part of function, the pipe connector provides the gas circuit for equipment or part under test simultaneously, and the connector of prior art is comparatively complicated in general structure, the operation is inconvenient, under facing comparatively simple operating mode condition, its complicated operability has reduced work efficiency, the testing cost has also been promoted.

Disclosure of Invention

In view of this, the utility model aims at providing a threaded connector convenient to operation to solve prior art connector complex operation, problem that work efficiency is low.

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

a threaded connector convenient to operate comprises a rear seat, a handle, an outer sleeve, a clamping jaw and a connector, wherein the lower end of the rear seat is fixedly arranged at the upper end of the outer sleeve, the upper end of the rear seat is hinged to one end of the handle, the mandrel, the piston and the spring are concentrically arranged in the outer sleeve, the upper end of the mandrel is fixedly arranged at the lower end of the rear seat, the periphery of the mandrel is connected to the inner ring of the piston in a sliding manner, the periphery of the piston is connected to the inner ring of the outer sleeve in a sliding manner, two ends of the spring are respectively and fixedly connected to the periphery of the piston and the inner wall of the lower end of the outer sleeve, the upper ends of the clamping jaws are fixedly arranged at the lower end of the piston, the lower ends of the clamping jaws are positioned at the periphery of the mandrel, and the outer diameter of the lower end of the clamping jaw and the outer diameter of the lower end of the mandrel are changed synchronously, a button is arranged in the rear seat, the upper end of the button is connected to the periphery of the handle in a contact manner, the lower end of the button is connected to the upper end of the piston in a contact manner, a first through hole is formed in the side wall of the outer sleeve, and the joint is installed in the first through hole.

Furthermore, a rubber ring is sleeved on the periphery of the lower end of the clamping jaw, and an inner ring at the lower end of the clamping jaw is tightly attached to the periphery of the lower end of the mandrel through the rubber ring.

Furthermore, the inner ring at the upper end of the clamping jaw is clamped to the periphery of the lower end of the piston, a tension spring is sleeved on the periphery of the upper end of the clamping jaw, and the inner ring at the upper end of the clamping jaw is tightly clamped to the periphery of the lower end of the piston through the tension spring.

Furthermore, a protection ring is arranged on the periphery of the upper end of the clamping jaw, the periphery of the protection ring is located on the inner ring of the spring, and the upper end of the protection ring is fixedly connected to the lower end of the piston.

Furthermore, a first sealing ring is arranged between the periphery of the piston and the inner side wall of the outer sleeve.

Further, a second sealing ring is arranged between the inner ring of the piston and the periphery of the mandrel.

Further, the button upper end sets up presses the platform, presses the platform to be located the back seat inside, and button upper end fixed connection presses the lower extreme of platform, presses the upper end contact of platform to be connected to the periphery of handle, and the button lower extreme passes the back seat lower extreme back contact and is connected to the upper end of piston.

Further, the cross section of the pressing platform is of an arc-shaped structure.

Furthermore, the periphery of the handle is sleeved with a roller through a pin shaft, and the periphery of the roller is connected with the upper end of the pressing table in a sliding mode.

Compared with the prior art, threaded connector convenient to operation have following beneficial effect: the rubber ring makes jack catch and dabber closely laminate to when realizing jack catch and dabber relative motion, jack catch lower extreme external diameter and dabber lower extreme external diameter synchronous variation, the staff installation connector of being convenient for drives button axial motion during handle arc displacement simultaneously, and the pressure platform of arc structure and the gyro wheel of ring structure convert sliding friction into rolling friction, make the operation laborsaving, ensure that the staff one hand can be operated, increase work efficiency.

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 screw connector according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a threaded connector for ease of operation in accordance with an embodiment of the present invention;

fig. 3 is an exploded view of a screw connector according to an embodiment of the present invention.

Description of reference numerals:

1-a rear seat; 2-a handle; 3, coating the outer sleeve; 4-a piston; 5-mandrel; 6-a spring; 7-a button; 8-clamping jaws; 9-a roller; 10-rubber ring; 11-a guard ring; 12-a tension spring; 13-a first sealing ring; 14-a linker; 15-minor hand; 16-pressing the platform; 17-second sealing ring.

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. 1-3, a threaded connector convenient for operation comprises a rear seat 1, a handle 2, an outer sleeve 3, a jaw 8 and a joint 14, wherein the lower end of the rear seat 1 is fixedly installed at the upper end of the outer sleeve 3, the upper end of the rear seat 1 is hinged to one end of the handle 2, a mandrel 5, a piston 4 and a spring 6 are concentrically arranged in the outer sleeve 3, the upper end of the mandrel 5 is fixedly installed at the lower end of the rear seat 1, the periphery of the mandrel 5 is slidably connected to the inner ring of the piston 4, the periphery of the piston 4 is slidably connected to the inner ring of the outer sleeve 3, two ends of the spring 6 are respectively fixedly connected to the periphery of the piston 4 and the inner wall of the lower end of the outer sleeve 3, the spring 6 is used for driving the axial reset of the piston 4, the upper end of the jaw 8 is fixedly installed at the lower end of the piston 4, the lower end of the jaw 8 is located at the periphery of the mandrel 5, the outer diameter of the lower end of the jaw 8 is changed synchronously with the outer diameter of the lower end of the mandrel 5, the lower end of the mandrel 5 can be set to be a conical structure, the boss that also can set up the round platform structure in dabber 5's periphery is used for the change of dabber 5 external diameter, as shown in fig. 2, 5 lower extremes of dabber set up to the toper structure, when the external diameter of jack catch 8 increases gradually, regard as the process of this connector chucking test piece interface, when the external diameter of jack catch 8 reduces gradually, regard as the process that this connector unclamped the test piece interface, the structure of jack catch 8 is prior art, the inside button 7 that sets up of back seat 1, the upper end contact of button 7 is connected to the periphery of handle 2, the power of button 7 axial displacement during the thrust of handle 2 arc motion, the lower extreme contact of button 7 is connected to the upper end of piston 4, thereby realize that handle 2 arc motion drives piston 4 axial displacement.

3 lateral walls of overcoat are equipped with first through-hole, and the one end fixed mounting that connects 14 is to first through-hole in, and the other end gas circuit that connects 14 is connected to the air pump, and compressed gas that the air pump provided loops through inside the

joint

14, 3 insides of overcoat, 8 inside fillings of jack catch to the test piece, and this connector does not leak gas for seal structure, and whether the staff can judge the test piece and leak gas through the pressurize condition that detects the test piece inside.

In order to ensure that the lower end inner ring of the clamping jaw 8 is tightly attached to the periphery of the lower end of the mandrel 5, the periphery of the lower end of the clamping jaw 8 is sleeved with a rubber ring 10, when the rubber ring 10 is sleeved to the periphery of the clamping jaw 8, the rubber ring 10 is internally provided with internal contraction stress so as to drive the clamping jaw 8 to be tightened up, the lower end inner ring of the clamping jaw 8 is ensured to be tightly attached to the periphery of the lower end of the mandrel 5, and therefore the outer diameter of the lower end of the clamping jaw 8 and the outer diameter of the lower end of the mandrel 5 are enabled to be synchronously changed.

The lower end of the piston 4 is provided with a clamping table, the upper end inner ring of the clamping jaw 8 is clamped to the lower end periphery of the clamping table, the upper end periphery of the clamping jaw 8 is sleeved with a tension spring 12, the tension spring 12 is provided with internal contraction stress, the upper end inner ring of the clamping jaw 8 is tightly clamped to the lower end periphery of the clamping table through the tension spring 12, in order to ensure that the position of the upper end of the clamping jaw 8 is fixed and prevent the clamping jaw 8 from tripping and popping out from the clamping table periphery, the upper end periphery of the clamping jaw 8 is provided with a protection ring 11, the periphery of the protection ring 11 is positioned at the inner ring of the spring 6, the upper end of the protection ring 11 is fixedly connected to the lower end of the piston 4, and a gap between the protection ring 11 and the clamping table is fixed.

A first sealing ring 13 is arranged between the periphery of the piston 4 and the inner side wall of the outer sleeve 3, a second sealing ring 17 is arranged between the inner ring of the piston 4 and the periphery of the mandrel 5, and the first sealing ring 13 and the second sealing ring 17 are used for ensuring the sealing of the connector and preventing gas from leaking.

Backseat 1 is the tubbiness structure, button 7 upper end sets up presses platform 16, it is inside that pressure platform 16 is located

backseat

1, 7 upper end fixed connection of button is to the lower extreme of pressing platform 16, the upper end contact of pressing platform 16 is connected to the periphery of handle 2, the button 7 lower extreme passes the upper end of 1 lower extreme back contact connection piston 4 of backseat, the cross section of pressing platform 16 is the arc structure, handle 2 periphery cup joints gyro wheel 9 through the round pin axle, gyro wheel 9 periphery and the peripheral sliding connection who presses platform 16 upper end, drive button 7 axial motion when handle 2 arc displacement, the platform 16 and the gyro wheel 9 of ring structure of pressing of arc structure convert sliding friction into rolling friction, make the operation laborsaving, piston 4 pushes down the process and is smooth, simultaneously at the peripheral fixed mounting assistant hand 15 of overcoat 3, assistant hand 15 forms lever structure with handle 2, ensure that the staff can operate by one hand, increase work efficiency.

The working process of the threaded connector convenient to operate comprises the following steps:

a worker holds the auxiliary hand 15 and the handle 2 with one hand, the handle 2 moves in an arc manner along one end as an axis, the handle 2 moving in the arc manner transfers downward displacement to the button 7, in the process, the pressing table 16 of the arc structure and the roller 9 of the circular ring structure convert sliding friction into rolling friction, the button 7 moving downward in the axial direction drives the piston 4 to move downward, the spring 6 is compressed at the moment, the piston 4 is in sliding connection with the mandrel 5, in the downward movement process of the piston 4, the relative position of the mandrel 5 is unchanged, the piston 4 drives the clamping jaws 8 to synchronously move downward, inner rings at the lower ends of the clamping jaws 8 are always tightly attached to the periphery of the mandrel 5, when inner rings at the lower ends of the clamping jaws 8 slide to the conical structure of the mandrel 5, the outer diameter of the clamping jaws 8 is gradually reduced along with the outer diameter of the mandrel 5, when the outer diameter of the lower ends of the clamping jaws 8 is smaller than the inner diameter of a test port of a test piece, the worker places the lower ends of the clamping jaws 8 in the test port, then releases the handle 2, piston 4 receives 6 elasticity resets of spring, and 8 external diameters grow of jack catch, jack catch 8 and test piece chucking.

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. Threaded connection ware convenient to operation its characterized in that: comprises a rear seat (1), a handle (2), an outer sleeve (3), a clamping jaw (8) and a joint (14), wherein the lower end of the rear seat (1) is fixedly arranged at the upper end of the outer sleeve (3), the upper end of the rear seat (1) is hinged to one end of the handle (2), a mandrel (5), a piston (4) and a spring (6) are concentrically arranged in the outer sleeve (3), the upper end of the mandrel (5) is fixedly arranged at the lower end of the rear seat (1), the periphery of the mandrel (5) is connected to the inner ring of the piston (4) in a sliding manner, the periphery of the piston (4) is connected to the inner ring of the outer sleeve (3) in a sliding manner, two ends of the spring (6) are respectively and fixedly connected to the periphery of the piston (4) and the inner wall of the lower end of the outer sleeve (3), the upper end of the clamping jaw (8) is fixedly arranged at the lower end of the piston (4), the lower end of the clamping jaw (8) is positioned at the periphery of the mandrel (5), and the outer diameter of the lower end of the clamping jaw (8) and the outer diameter of the mandrel (5) are changed synchronously, the inside button (7) that sets up of back seat (1), the upper end contact of button (7) is connected to the periphery of handle (2), and the lower extreme contact of button (7) is connected to the upper end of piston (4), and overcoat (3) lateral wall is equipped with first through-hole, connects (14) and installs to first through-hole in.

2. The easy-to-operate threaded connector according to claim 1, characterized in that: the periphery of the lower end of the clamping jaw (8) is sleeved with a rubber ring (10), and the inner ring of the lower end of the clamping jaw (8) is tightly attached to the periphery of the lower end of the mandrel (5) through the rubber ring (10).

3. The easy-to-operate threaded connector according to claim 1, characterized in that: the upper end inner ring of the clamping jaw (8) is clamped to the lower end periphery of the piston (4), the tension spring (12) is sleeved on the upper end periphery of the clamping jaw (8), and the upper end inner ring of the clamping jaw (8) is tightly clamped to the lower end periphery of the piston (4) through the tension spring (12).

4. The easy-to-operate threaded connector according to claim 1, characterized in that: the periphery of the upper end of the clamping jaw (8) is provided with a protection ring (11), the periphery of the protection ring (11) is positioned at the inner ring of the spring (6), and the upper end of the protection ring (11) is fixedly connected to the lower end of the piston (4).

5. The easy-to-operate threaded connector according to claim 1, characterized in that: a first sealing ring (13) is arranged between the periphery of the piston (4) and the inner side wall of the outer sleeve (3).

6. The easy-to-operate threaded connector according to claim 1, characterized in that: a second sealing ring (17) is arranged between the inner ring of the piston (4) and the periphery of the mandrel (5).

7. The easy-to-operate threaded connector according to claim 1, characterized in that: button (7) upper end sets up presses platform (16), presses platform (16) to be located inside rear seat (1), and button (7) upper end fixed connection presses the lower extreme of platform (16), presses the upper end contact of platform (16) to be connected to the periphery of handle (2), and button (7) lower extreme passes rear seat (1) lower extreme back contact and is connected to the upper end of piston (4).

8. The easy-to-operate threaded connector according to claim 7, characterized in that: the cross section of the pressing platform (16) is of an arc structure.

9. The easy to operate threaded connector of claim 8, wherein: the periphery of the handle (2) is sleeved with the roller (9) through a pin shaft, and the periphery of the roller (9) is connected with the upper end of the pressing table (16) in a sliding manner.