CN218787384U

CN218787384U - Rotatable pressure maintaining joint

Info

Publication number: CN218787384U
Application number: CN202222625851.8U
Authority: CN
Inventors: 吴镝
Original assignee: Shenzhen Baidi Technology Co ltd
Current assignee: Shenzhen Baidi Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-04-04
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a rotatable pressurize connects, include: the connecting pipe is provided with an annular groove; the extension mechanism is sleeved on the annular groove and can move along the length direction of the connecting pipe so as to switch between extension and retraction; the control valve mechanism is arranged in the connecting pipe and is abutted against the side wall in the connecting pipe; the air cock, the said air cock rotates and connects to the said connecting pipe, the utility model discloses the connecting pipe is through cooperating with lengthening the organization, adaptable different external connection ports of size; and when the air tap is damaged, the air tap is convenient to disassemble and replace.

Description

Rotatable pressure maintaining joint

Technical Field

The utility model relates to a vacuum apparatus technical field, concretely relates to rotatable pressurize connects.

Background

The vacuum technology is a technology required for establishing a physical environment lower than atmospheric pressure and carrying out process manufacturing, physical measurement, scientific experiments and the like in the environment; the vacuum technology mainly comprises four aspects of vacuum obtaining, vacuum measuring, vacuum leakage detecting and vacuum application, and in order to assist the vacuum technology, vacuum equipment is needed, the vacuum equipment is a device for generating, improving and/or maintaining vacuum, and comprises vacuum application equipment and vacuum obtaining equipment, and when the vacuum equipment is used, a vacuum pump and a connecting pipe are generally used for connecting a vacuum chamber and other devices or environments needing vacuum.

The vacuum apparatus who has now to be applied to the pipeline area and take the vacuum rolling, connecting pipe in the regulation size and outside connection port size simultaneously, can't carry out connection work to take place to damage then need to close vacuum apparatus and just can change the air cock when the air cock on the during operation connecting pipe, make the loaded down with trivial details complicacy that the process of changing the air cock becomes.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving one of the technical problems in the related art at least to a certain extent. To this end, an object of the present invention is to provide a rotatable pressure maintaining joint, including:

the connecting pipe is provided with an annular groove;

the extension mechanism is sleeved on the annular groove and can move in a telescopic manner along the length direction of the connecting pipe;

the control valve mechanism is arranged in the connecting pipe and is abutted against the side wall in the connecting pipe;

the air faucet is rotatably connected to the connecting pipe.

Preferably, the connection pipe has a gas flow passage penetrating the inside thereof in a length direction, the gas flow passage being for the flow of gas.

Preferably, the annular groove is composed of two wafers, the two wafers are adjacently sleeved on the connecting pipe, and the annular groove is formed between the two wafers.

Preferably, the extension mechanism comprises:

a ring member nested within the annular groove:

the extension pipe is sleeved on the connecting pipe and can move along the length direction of the connecting pipe;

the driving piece is in threaded connection with the extension pipe and can drive the extension pipe and the connecting pipe to move relatively when rotating.

Preferably, the extension pipe is movable in a length direction of the connection pipe and abuts against the annular groove when moved into the driving member.

Preferably, the driving member drives the extension pipe and the connecting pipe to move relatively when rotating, and the extension pipe is driven by the driving member to move in a linear direction.

Preferably, the control valve mechanism includes:

the ball valve is arranged in the airflow channel and is abutted against the airflow channel;

the connecting shaft is arranged on the connecting pipe, penetrates through the airflow channel and is connected with the ball valve;

the rotary disc is arranged on the connecting shaft.

Preferably, the ball valve has a through hole penetrating through a sidewall thereof at a middle portion thereof, and the through hole is disposed along a length direction of the connection pipe.

Preferably, the air tap with connecting pipe threaded connection, just the air tap axle center is located airflow channel's axial direction.

The above technical scheme of the utility model at least include following beneficial effect:

when the external connecting end is a small port, the self interface of the connecting pipe can be used for connection, and when the external connecting end is a large port, the large port of the external connecting end can be sleeved by using the extension mechanism;

when the air tap is damaged during working, the control valve mechanism can be rotated to seal the air flow channel, and the air tap can be rotated and disassembled immediately for replacement;

when the device is applied to the pipeline under-pressure or vacuum winding, the connecting pipe can adapt to external connecting ports with different sizes by matching with the extension mechanism; and when the air cock takes place to damage, convenient to detach changes, adaptable high-speed rotation moreover, easily switch.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

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

Fig. 1 is a schematic view of a rotatable pressure-maintaining joint structure provided in an embodiment of the present invention;

fig. 2 is a schematic diagram of an explosive structure provided in an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a connecting pipe provided in an embodiment of the present invention.

The reference numbers illustrate:

1. the device comprises a connecting pipe, 2, an extension mechanism, 3, a control valve mechanism, 4, an air nozzle, 5, an air flow channel, 6, an annular groove, 7, a wafer, 8, a ring-shaped piece, 9, an extension pipe, 10, a driving piece, 11, a ball valve, 12, a connecting shaft, 13, a rotary disc, 14 and a through hole.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and are intended to be used for explaining the present invention, but should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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" and "first" 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" or "second" 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 specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be 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 according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. 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 rotatable pressure maintaining joint according to an embodiment of the present invention is described in detail below with reference to the drawings.

Referring to fig. 1 to 3, an embodiment of the present invention provides a rotatable pressure maintaining joint, including: the connecting pipe 1 is provided with an annular groove 6; an extension mechanism 2 which is sleeved on the annular groove 6 and is movable along the length direction of the connecting pipe 1 to switch between extension and retraction; the control valve mechanism 3 is arranged in the connecting pipe 1 and is abutted against the side wall in the connecting pipe 1; the air tap 4 is rotatably connected with the connecting pipe 1; when the external connection end is a small port, the connection can be realized by using the interface of the connection pipe 1, and when the external connection end is a large port, the extension mechanism 2 can be used for sleeving the large port of the external connection end; when the air tap in operation is damaged, the control valve mechanism 3 can be rotated to seal the air flow channel 5, and then the air tap 4 can be rotated and disassembled for replacement; the connecting pipe 1 can adapt to external connecting ports with different sizes by matching with the extension mechanism 2; and when the air tap 4 is damaged, the air tap is convenient to disassemble and replace.

Preferably, the connection pipe 1 has a gas flow channel 5 penetrating the inside thereof in a length direction, the gas flow channel 5 being for the flow of gas; when the other end enters the inside from one end of the connecting pipe 1, the other end is conveyed to the other end of the connecting pipe 1 through the airflow channel 5, and the transportation process of the gas is completed.

Preferably, the annular groove 6 is composed of two wafers 7, the two wafers 7 are adjacently sleeved on the connecting pipe 1, the annular groove 6 is formed between the two wafers 7, and the two wafers 7 are alternately sleeved on the connecting pipe 1, so that a rotatable annular groove 6 is formed, and the extension mechanism 2 can conveniently rotate on the annular groove 6.

Preferably, the lengthening mechanism 2 comprises: annular member 8, annular member 8 cover is located in ring channel 6: the extension pipe 9 is sleeved on the connecting pipe 1, and the extension pipe 9 can move along the length direction of the connecting pipe 1; the driving piece 10 is connected to the extension pipe 9 in a threaded mode, and can drive the extension pipe 9 and the connecting pipe 1 to move relatively when rotating; when the extension mechanism 2 is required to be connected with an external connection port, the rotary driving piece 10 drives the extension pipe 9 to move and switch between an extending state and a retracting state, so that the extension pipe 9 can be connected with the external connection port to work.

Preferably, extension pipe 9 is portable along the length direction of connecting pipe 1 to when moving in driving piece 10 with ring channel 6 butt, when extension pipe 9 withdraws back in driving piece 10 under the drive of driving piece 10, extension pipe 9 carries out the butt with disk 7 spacing, makes extension pipe 9 can not touch ring member 8, causes the impaired of ring member 8.

Preferably, the driving member 10 drives the extension pipe 9 and the connecting pipe 1 to move relatively when rotating, so that the extension pipe 9 moves along a linear direction under the driving of the driving member 10, and the extension pipe 9 can only move along the linear direction under the driving of the driving member 10, so that the extension pipe 9 does not deviate, and the extension pipe 9 can normally and stably work.

Preferably, the control valve mechanism 3 includes: the ball valve 11 is arranged in the airflow channel 5, and the ball valve 11 is abutted against the airflow channel 5; the connecting shaft 12 is arranged on the connecting pipe 1, and the connecting shaft 12 penetrates through the airflow channel 5 and is connected with the ball valve 11; the rotary table 13 is arranged on the connecting shaft 12; the middle part of the ball valve 11 is provided with a through hole 14 penetrating through the side wall of the ball valve, and the through hole 14 is arranged along the length direction of the connecting pipe 1; when connecting pipe 1 during operation, accessible carousel 13 drives ball valve 11 and rotates for the both sides that have through-hole 14 on the ball valve 11 are on same straight line with airflow channel 5, thereby guarantee the work that connecting pipe 1 can be normal, need to change or connecting pipe 1 does not need the during operation when air cock 4, accessible carousel 13 drives ball valve 11 and rotates, makes ball valve 11 have two butts of through-hole 14 to airflow channel 5's lateral wall, makes airflow channel 5 be in sealed state.

Preferably, air cock 4 and connecting pipe 1 threaded connection, and air cock 4 axle center is located airflow channel 5's axial direction, and when the during operation, gas is behind entering airflow channel 5, passes through air cock 4 again and discharges gas, and air cock 4 and connecting pipe 1 threaded connection, when air cock 4 damages convenient to change dismantlement air cock 4.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A rotatable pressure maintaining joint, comprising:

the connecting pipe is provided with an annular groove;

the air faucet is rotatably connected to the connecting pipe.

2. The rotatable dwell joint of claim 1 wherein the connecting tube has a gas flow passage through its interior in the length direction for the flow of gas.

3. The rotatable pressure maintaining joint of claim 1, wherein the annular groove is formed by two discs, the two discs are adjacently sleeved on the connecting pipe, and the annular groove is formed between the two discs.

4. The rotatable dwell joint of claim 1 wherein the extension mechanism comprises:

a ring member nested within the annular groove:

the extension pipe is sleeved on the connecting pipe;

the driving piece is in threaded connection with the extension pipe.

5. The rotatable pressure maintaining joint of claim 4, wherein the extension pipe is movable along a length direction of the connection pipe and abuts the annular groove when moved into the driving member.

6. The rotatable dwell joint of claim 4 wherein the driver, when rotated, drives the extension tube and the connecting tube in relative motion, under the drive of the driver to move the extension tube in a linear direction.

7. The rotatable pressure maintaining joint of claim 2, wherein the control valve mechanism comprises:

the rotary disc is arranged on the connecting shaft.

8. The rotatable pressure maintaining joint of claim 7, wherein the ball valve has a through hole passing through a sidewall thereof at a middle portion thereof, the through hole being disposed along a length direction of the connection pipe.

9. The rotatable pressure maintaining joint of claim 2, wherein the air tap is in threaded connection with the connecting pipe, and an axial center of the air tap is located in an axial direction of the air flow passage.