CN212131666U

CN212131666U - Quick joint structure for waste gas treatment device

Info

Publication number: CN212131666U
Application number: CN202020799055.4U
Authority: CN
Inventors: 顾益
Original assignee: Taicang Yisheng Chemical Anticorrosion Equipment Co ltd
Current assignee: Taicang Yisheng Chemical Anticorrosion Equipment Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-12-11
Anticipated expiration: 2030-05-14

Abstract

A quick joint structure for an exhaust gas treatment device comprises a pipeline fixing structure, a pipeline locking handle and a pipeline connecting sleeve; the pipeline fixing structure comprises a first fixing block and a second fixing block; the first fixing block comprises a middle pressing block, a first limiting locking block and a second limiting locking block; the first limiting locking block and the second limiting locking block are arranged in the middle of the pressing block and have the same structure and are arranged in the mirror image direction, the first limiting locking block comprises a connecting surface, an outer boss and an inner boss, and the outer boss, the inner boss and the connecting surface form a rotary guide groove. The first pipeline and the second pipeline which need to be connected are simply connected through the pipeline connecting sleeve, then are fixed through the pipeline fixing structure, and finally are locked quickly through the pipeline locking handle. The first fixing block and the second fixing block of the pipeline fixing structure are connected through the positioning pins and the positioning holes on the first fixing block and the second fixing block, so that pressing force on the pipeline during pressing is improved.

Description

Quick joint structure for waste gas treatment device

Technical Field

The utility model relates to an exhaust-gas treatment field especially relates to a quick-operation joint design for exhaust-gas treatment device.

Background

The waste gas produced in industrial production is discharged into the air without being treated, which will affect the environment and harm the body of the surrounding residents. Therefore, before industrial waste gas is discharged to the outside, absorption and purification treatment is required to be carried out so as to achieve the work of national standards of waste gas discharge to the outside.

Industrial waste gas is generally conveyed through pipelines, and at present, adjacent pipelines are generally connected through connector structures such as buckles, hoops and the like. But the existing pipe joint structure has great defects: 1) the operation is troublesome during installation, and the phenomenon of gas leakage is easily caused by improper installation; 2) the sealing performance is poor, and gas leakage phenomenon occurs after long-time use, so that secondary pollution is caused; 3) and is a disposable product, and cannot be reused after being detached, thereby increasing the maintenance cost.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a quick-operation joint structure for exhaust-gas treatment device has solved the problem that exists when exhaust-gas treatment device's pipe connection.

The technical scheme is as follows: the utility model provides a quick joint structure for an exhaust gas treatment device, which comprises a pipeline fixing structure, two pipeline locking handles and two pipeline connecting sleeves, wherein the two pipeline locking handles are respectively arranged at two ends of the pipeline fixing structure, and the pipeline connecting sleeves are arranged inside the pipeline fixing structure; the pipeline fixing structure comprises a first fixing block and a second fixing block, and the first fixing block and the second fixing block are arranged oppositely; the first fixing block and the second fixing block are identical in structure, the first fixing block comprises a middle pressing block, a first limiting locking block and a second limiting locking block, and the first limiting locking block and the second limiting locking block are arranged on two sides of the middle pressing block; the first limiting locking block and the second limiting locking block are arranged in the middle of the pressing block and have the same structure and are arranged in the mirror image direction, the first limiting locking block comprises a connecting surface, an outer boss and an inner boss, the outer boss and the inner boss are arranged on one surface, close to the pipeline locking handle, of the connecting surface, and the outer boss, the inner boss and the connecting surface form a rotary guide groove; the outer boss comprises an arc-shaped outer boss main body, a positioning pin and a first triangular indicating block, the positioning pin is arranged at one end of the arc-shaped outer boss main body, the first triangular indicating block is arranged at the side edge of the arc-shaped outer boss main body and positioned in the middle of the arc, and one angle of the first triangular indicating block points to the inner boss; the other end of the arc-shaped outer boss main body, which is far away from the positioning pin, is provided with a positioning hole; the inner boss comprises an inner boss main body and an inner boss guide block, the inner boss main body is provided with an inner boss limiting groove, the inner boss guide block is arranged at one end, located at the inner boss limiting groove, of the inner boss main body, the edge of the inner side of the boss main body is further provided with a first limiting arc and a second limiting arc, the first limiting arc and the second limiting arc are sequentially connected, and the diameter of the first limiting arc is smaller than that of the second limiting arc. The first pipeline and the second pipeline which need to be connected are simply connected through the pipeline connecting sleeve, then are fixed through the pipeline fixing structure, and finally are locked quickly through the pipeline locking handle. The first fixing block and the second fixing block of the pipeline fixing structure are connected through the positioning pins and the positioning holes on the first fixing block and the second fixing block, so that pressing force on the pipeline during pressing is improved.

Furthermore, trapezoidal protrusions are arranged on the middle pressing block, and the trapezoidal protrusions are arranged on the inner side of the middle pressing block at equal intervals. The compressing capacity of the joint structure to the pipeline is improved when the joint structure is used, the gas leakage phenomenon is avoided, and the sealing performance is enhanced.

Further, pipeline locking handle includes handle main part, middle locating piece, guide protrusion and rotatory stopper, middle locating piece sets up in the middle of handle main part one side, middle locating piece sets up the one side that is equipped with middle locating piece in the handle main part and is close to the edge, rotatory stopper sets up the one side that is equipped with middle locating piece in the handle main part and is located between middle locating piece and the guide protrusion.

Furthermore, the handle main part includes handle arch, second triangle-shaped instruction piece and third triangle-shaped instruction piece, the handle arch sets up in the handle main part and keeps away from one side of middle locating piece, the total two of second triangle-shaped instruction piece sets up in handle main part edge and in the middle of the directional handle main part of one of its angle relatively, the total two of third triangle-shaped instruction piece sets up in handle arch edge and in the middle of the directional handle main part of one of its angle relatively. When the first triangular indicating block and the second triangular indicating block correspond to each other, the first fixing block or the second fixing block in the fixing structure is pulled, the first fixing block and the second fixing block move relatively for a moving distance, and at the moment, the joint structure is in a loosening state; when the first triangular indicating block and the third triangular indicating block correspond to each other, the joint structure is in a locking state.

Further, the guide protrusion comprises a first guide ring and a second guide ring, and the first guide ring and the second guide ring are oppositely arranged.

Furthermore, the first guide ring and the second guide ring are identical in structure, and the cross-sectional area of the first guide ring is gradually increased from one end to the other end. The pipeline locking handle rotates along the rotary guide groove through the guide protrusion, and the change of the cross sections of the first guide ring and the second guide ring not only improves the locking capacity of the joint structure, but also improves the sealing performance of the joint structure.

Furthermore, the rotation limiting block comprises a first limiting block and a second limiting block, and the first limiting block and the second limiting block have the same structure and are arranged oppositely. Move along inner boss spacing groove, first stopper and second stopper play rotation angle's limiting displacement.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: 1) firstly, a first pipeline to be connected is connected with a second pipeline through a pipeline connecting sleeve, and then a first fixing block and a second fixing block of a pipeline fixing structure are locked through a pipeline locking handle, so that the connecting time is shortened, and the working efficiency is improved; 2) by arranging the guide ring with the variable sectional area, the sealing capability is improved while guiding, so that the gas leakage phenomenon is avoided; 3) by arranging the triangular indicating block, whether the connecting structure is in a connecting state or not can be visually seen, and the leakage phenomenon caused by no locking is avoided; 4) the connecting structure can be reused, thereby reducing the loss; 5) simple structure and convenient operation.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a front view of a first fixed block;

fig. 3 is a perspective view of a first fixing block;

FIG. 4 is a front view of the tube locking handle;

FIG. 5 is a perspective view of the handle body;

FIG. 6 is a front view of the released state of the joint structure;

fig. 7 is a front view showing a locked state of the joint structure.

In the figure: the pipeline fixing structure comprises a pipeline fixing structure 1, a first fixing block 11, a middle pressing block 111, a trapezoid protrusion 1111, a first limit locking block 112, a connecting surface 1121, an outer boss 1122, an arc-shaped outer boss main body 11221, a positioning hole 112211, a positioning pin 11222, a first triangular indication block 11223, an inner boss 1123, an inner boss main body 11231, an inner boss limit groove 112311, a first limit arc 112312, a second limit arc 112313, an inner boss guide block 11232, a rotary guide groove 1124, a second limit locking block 113, a second fixing block 12, a pipeline locking handle 2, a handle main body 21, a handle protrusion 211, a second triangular indication block 212, a third triangular indication block 213, a middle positioning block 22, a guide protrusion 23, a first guide ring 231, a second guide ring 232, a rotary limiting block 24, a first limiting block 241, a second limiting block 242, a pipeline connecting sleeve 3, a first pipeline 4 and a second pipeline 5.

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 intended to be used for explaining the present invention, and should not be construed as limiting 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", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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, unless otherwise specified, "a plurality" means two or more unless explicitly defined 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 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.

Example one

As shown in fig. 1, the utility model is a perspective view, which comprises a pipeline fixing structure 1, two pipeline locking handles 2 and two pipeline connecting sleeves 3, wherein the two pipeline locking handles 2 are respectively arranged at two ends of the pipeline fixing structure 1, and the pipeline connecting sleeves 3 are arranged inside the pipeline fixing structure 1; the pipeline fixing structure 1 comprises a first fixing block 11 and a second fixing block 12, wherein the first fixing block 11 and the second fixing block 12 are arranged oppositely; the first fixed block 11 and the second fixed block 12 have the same structure, and are respectively a front view and a perspective view of the first fixed block 11 as shown in fig. 2 and 3, and include a middle pressing block 111, a first limit locking block 112 and a second limit locking block 113, wherein the first limit locking block 112 and the second limit locking block 113 are arranged at two sides of the middle pressing block 111; the first limiting locking block 112 and the second limiting locking block 113 are arranged on the middle pressing block 111, have the same structure and are arranged in a mirror image direction, the first limiting locking block 112 comprises a connecting surface 1121, an outer boss 1122 and an inner boss 1123, the outer boss 1122 and the inner boss 1123 are arranged on one surface of the connecting surface 1121, which is close to the pipeline locking handle 2, and the outer boss 1122, the inner boss 1123 and the connecting surface 1121 form a rotation guide groove 1124; the outer boss 1122 comprises an arc-shaped outer boss main body 11221, a positioning pin 11222 and a first triangular indicating block 11223, wherein the positioning pin 11222 is arranged at one end of the arc-shaped outer boss main body 11221, the first triangular indicating block 11223 is arranged at the middle position of the arc-shaped side edge of the arc-shaped outer boss main body 11221, and one corner of the first triangular indicating block 11223 points to the inner boss 1123; the other end of the arc-shaped outer boss main body 11221, which is far away from the positioning pin 11222, is provided with a positioning hole 112211; the inner boss 1123 comprises an inner boss main body 11231 and an inner boss guide block 11232, the inner boss main body 11231 is provided with an inner boss limiting groove 112311, the inner boss guide block 11232 is arranged on the inner boss main body 11231 and located at one end of the inner boss limiting groove 112311, the edge of the inner side of the boss main body 11231 is further provided with a first limiting arc 112312 and a second limiting arc 112313, the first limiting arc 112312 is connected with the second limiting arc 112313 in sequence, and the diameter of the first limiting arc 112312 is smaller than the diameter of the second limiting arc 112313.

Trapezoidal protrusion 1111 is arranged on the middle pressing block 111, and the trapezoidal protrusions 1111 are arranged on the inner side of the middle pressing block 111 at equal intervals.

As shown in fig. 4, the front view of the pipe locking handle 2 includes a handle main body 21, an intermediate positioning block 22, a guiding protrusion 23, and a rotation limiting block 24, wherein the intermediate positioning block 22 is disposed in the middle of one side of the handle main body 21, the intermediate positioning block 22 is disposed on one side of the handle main body 21 where the intermediate positioning block 22 is disposed and near an edge, and the rotation limiting block 24 is disposed on one side of the handle main body 21 where the intermediate positioning block 22 is disposed and located between the intermediate positioning block 22 and the guiding protrusion 23.

As shown in fig. 5, the handle body 21 includes a handle protrusion 211, two second triangular indication blocks 212 and two third triangular indication blocks 213, the handle protrusion 211 is disposed on a side of the handle body 21 away from the middle positioning block 22, the two second triangular indication blocks 212 are disposed at an edge of the handle body 21 and have one angle pointing to the middle of the handle body 21, and the two third triangular indication blocks 213 are disposed at an edge of the handle protrusion 211 and have one angle pointing to the middle of the handle body 21.

The guide protrusion 23 includes a first guide ring 231 and a second guide ring 232, and the first guide ring 231 and the second guide ring 232 are oppositely disposed.

The first guide ring 231 and the second guide ring 232 have the same structure, and the cross-sectional area of the first guide ring 231 is gradually increased from one end to the other end.

The rotation limiting block 24 includes a first limiting block 241 and a second limiting block 242, and the first limiting block 241 and the second limiting block 242 have the same structure and are arranged oppositely.

As shown in fig. 6 and 7, which are front views of the released and locked states of the joint structure, respectively, when the first triangular indicator block 11223 and the second triangular indicator block 212 correspond to each other, the first fixed block 11 or the second fixed block 12 in the fixed structure 1 is pulled and moved by a moving distance, and the joint structure is in the released state; when the first triangular indicating block 11223 and the third triangular indicating block 213 correspond, the joint structure is in a locked state.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a quick-operation joint structure for exhaust treatment device which characterized in that: the pipeline locking device comprises a pipeline fixing structure (1), two pipeline locking handles (2) and two pipeline connecting sleeves (3), wherein the two pipeline locking handles (2) are respectively arranged at two ends of the pipeline fixing structure (1), and the pipeline connecting sleeves (3) are arranged inside the pipeline fixing structure (1); the pipeline fixing structure (1) comprises a first fixing block (11) and a second fixing block (12), wherein the first fixing block (11) and the second fixing block (12) are arranged oppositely; the structure of the first fixed block (11) is the same as that of the second fixed block (12), the first fixed block (11) comprises a middle pressing block (111), a first limiting locking block (112) and a second limiting locking block (113), and the first limiting locking block (112) and the second limiting locking block (113) are arranged on two sides of the middle pressing block (111); the first limiting locking block (112) and the second limiting locking block (113) are arranged in the middle of the pressing block (111) and have the same structure and are arranged in a mirror image direction, the first limiting locking block (112) comprises a connecting surface (1121), an outer boss (1122) and an inner boss (1123), the outer boss (1122) and the inner boss (1123) are arranged on one surface, close to the pipeline locking handle (2), of the connecting surface (1121), and the outer boss (1122), the inner boss (1123) and the connecting surface (1121) form a rotary guide groove (1124); the outer boss (1122) comprises an arc-shaped outer boss main body (11221), a positioning pin (11222) and a first triangular indicating block (11223), the positioning pin (11222) is arranged at one end of the arc-shaped outer boss main body (11221), the first triangular indicating block (11223) is arranged at the side edge of the arc-shaped outer boss main body (11221) at the middle position of an arc shape, and one corner of the first triangular indicating block points to the inner boss (1123); the other end of the arc-shaped outer boss main body (11221) far away from the positioning pin (11222) is provided with a positioning hole (112211); the inner boss (1123) comprises an inner boss main body (11231) and an inner boss guide block (11232), wherein the inner boss main body (11231) is provided with an inner boss limiting groove (112311), the inner boss guide block (11232) is arranged on the inner boss main body (11231) and located at one end of the inner boss limiting groove (112311), a first limiting arc (112312) and a second limiting arc (112313) are further arranged on the edge of the inner side of the boss main body (11231), the first limiting arc (112312) and the second limiting arc (112313) are sequentially connected, and the diameter of the first limiting arc (112312) is smaller than that of the second limiting arc (112313).

2. The quick joint structure for an exhaust gas treatment device according to claim 1, characterized in that: be equipped with trapezoidal arch (1111) on middle compact heap (111), trapezoidal arch (1111) equidistant setting is inboard at middle compact heap (111).

3. The quick joint structure for an exhaust gas treatment device according to claim 1, characterized in that: pipeline locking handle (2) are including handle main part (21), middle locating piece (22), guide protrusion (23) and rotatory stopper (24), middle locating piece (22) set up in the middle of handle main part (21) one side, middle locating piece (22) set up the one side that is equipped with middle locating piece (22) in handle main part (21) and be close to the edge department, rotatory stopper (24) set up the one side that is equipped with middle locating piece (22) in handle main part (21) and lie in between middle locating piece (22) and guide protrusion (23).

4. The quick joint structure for an exhaust gas treatment device according to claim 3, characterized in that: the handle main body (21) comprises handle protrusions (211), second triangular indicating blocks (212) and third triangular indicating blocks (213), the handle protrusions (211) are arranged on one side, far away from the middle positioning block (22), of the handle main body (21), the number of the second triangular indicating blocks (212) is two, the two triangular indicating blocks are oppositely arranged at the edge of the handle main body (21) and one corner of the triangular indicating blocks points to the middle of the handle main body (21), the number of the third triangular indicating blocks (213) is two, and the two triangular indicating blocks are oppositely arranged at the edge of the handle protrusions (211) and one corner of the triangular indicating blocks points to the middle of the handle main body (21).

5. The quick joint structure for an exhaust gas treatment device according to claim 3, characterized in that: the guide protrusion (23) comprises a first guide ring (231) and a second guide ring (232), and the first guide ring (231) and the second guide ring (232) are oppositely arranged.

6. The quick joint structure for an exhaust gas treatment device according to claim 5, characterized in that: the first guide ring (231) and the second guide ring (232) are identical in structure, and the cross-sectional area of the first guide ring (231) is gradually increased from one end to the other end.

7. The quick joint structure for an exhaust gas treatment device according to claim 3, characterized in that: the rotating limiting block (24) comprises a first limiting block (241) and a second limiting block (242), and the first limiting block (241) and the second limiting block (242) are identical in structure and are arranged oppositely.