CN217899148U - Connecting device for mounting ventilating duct - Google Patents

Abstract

The utility model relates to an air pipe technical field, specifically be a connecting device is used in air pipe installation, including air pipe and connecting device, connecting device includes that the cross section of a one end side end face is planar barrel, two logical grooves have been seted up to the symmetry on the plane end lateral wall of barrel, fixedly connected with annular baffle in the middle of the inner wall of barrel, through overlapping two air pipe respectively on the outer wall of two first annular rubber blocks, then pressurize to the cavity is inside through the pressurized equipment of admission pipe, at this moment first slider can drive second annular rubber block through the third connecting block and compress tightly air pipe, then the rotation threaded rod, make tooth pressure air pipe through a series of connected relation, a fixed action has been played air pipe, therefore, this connecting device for air pipe installation can also have a fine sealing effect when carrying out fixed connection to air pipe, the practicality is higher, and can effectively improve demolishs efficiency.

Description

Connecting device for mounting ventilating duct

Technical Field

The utility model relates to an air pipe technical field specifically is a connecting device is used in air pipe installation.

Background

The ventilation pipeline is a metal or composite pipeline for ventilation and air-conditioning engineering of industrial and civil buildings, is a municipal infrastructure for circulating air and reducing the concentration of harmful gases, and the conventional ventilation pipeline has the connection modes of threaded connection, welding connection, flange connection, socket connection, groove connection and the like. Wherein, socket joint is the most commonly used, and in the use of reality, it causes the harm to air pipe's body easily, takes place to drop the disconnection easily for air pipe's connection operation is unstable, has reduced the availability factor.

Through the retrieval, chinese patent application number is CN 202022440639.5's utility model patent discloses a ventilation pipe connecting device, its roughly describe be, including first pipeline, second pipeline, first pipeline pass through coupling assembling with the second pipeline and be connected, coupling assembling specifically constitute by two sets of U type clamps of bisymmetry, the U type clamp presss from both sides on the connection border of first pipeline and second pipeline and fixed through the screw rod, the U type presss from both sides inside and corresponds through fixed establishment and connection border and is connected.

Although the above-mentioned prior art scheme is screwed up through passing the screw hole and through the screw thread with the bolt, makes the U type press from both sides first pipeline and second pipeline fixed connection, the simple operation, and convenient to use has effectively avoided air pipe to connect unstable problem, but need get off all bolts one by one when demolising the pipeline, lead to the dismantlement process comparatively to waste time and energy, consequently, need a connecting device for air pipe installation to solve this problem urgently.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a connecting device is used in air pipe installation to the problem that wastes time and energy when the prior art that provides in the solution background art dismantles air pipe.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a connecting device is used in air pipe installation, includes air pipe and connecting device, connecting device includes that the cross section of one end side end face is planar barrel, two logical grooves have been seted up to the symmetry on the plane end lateral wall of barrel, fixedly connected with ring baffle in the middle of the inner wall of barrel, equal first annular rubber piece of fixedly connected with and first annular piece on ring baffle's the both ends lateral wall, the spout that cavity and a plurality of even settings are seted up to the inside of first annular piece, cavity and every spout all communicate with each other, pass barrel and two first annular pieces and two communicating intake pipes that are equipped with of cavity, be equipped with first slider in the spout, the bottom fixedly connected with third connecting block of slider, it is a plurality of the bottom fixedly connected with second annular rubber piece of third connecting block, two equal fixedly connected with has the second annular piece of breach on the lateral wall of first annular piece, the second spout has been seted up to the inside of second annular piece, the inside annular of second spout is equipped with open-ended annular plate, fixedly connected with a plurality of even teeth on the inner wall of third connecting block, the opening part of annular plate articulates there are second annular piece and second threaded rod passes two second connecting block top threaded rod and be equipped with second connecting block and second nut connecting block, and connecting block top threaded rod pass two connecting block and be connected with second nut connecting block and be connected with second connecting block.

Preferably, one end side wall of the nut is tightly attached to the first connecting block.

Furthermore, one end of the threaded rod is fixedly connected with a handle.

Still further, a first sealing gasket is arranged between the side wall of the first sliding block and the inner wall of the sliding groove.

Furthermore, a second sealing gasket is arranged between the side wall of the second annular rubber block and the inner wall of the sliding groove.

On the basis of the scheme, a valve is arranged in the air inlet pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides a connecting device is used in air pipe installation possesses following beneficial effect:

1. this connecting device is used in air pipe installation is through overlapping two air pipe respectively on the outer wall of two first annular rubber blocks, then pressurize to the cavity inside through the pressurization equipment for the air inlet pipe, at this moment first slider can drive second annular rubber block through the third connecting block and compress tightly air pipe, make and not leak gas between air pipe and the connecting device, improve connecting device's usability, then rotate the threaded rod through the handle, make first connecting block and second connecting block be close to each other, thereby it is close to each other to drive second slider and third slider, and then can taut the annular slab, make the tooth compress tightly air pipe, a fixed action has been played to air pipe, therefore, this connecting device is used in air pipe installation can also have a fine sealed effect when carrying out fixed connection to air pipe to the prior art, the practicality is higher, and need demolish air pipe messenger, only need to rotate the threaded rod a little, at this moment the tooth will loosen air pipe, open the valve and just can let the cavity pressure release, make second annular rubber block break away from air pipe, later take off air pipe can, convenient and fast operation, can effectively improve demolishment efficiency.

Drawings

FIG. 1 is a schematic sectional view of the whole structure of the present invention;

FIG. 2 is a schematic view of the present invention in partial section;

FIG. 3 is a schematic view of a portion A of the present invention shown in FIG. 1;

fig. 4 is a schematic view of a partial enlarged structure at B in fig. 1 according to the present invention;

fig. 5 is a schematic view of a partial enlarged structure at C in fig. 2 according to the present invention;

in the figure: 1. a ventilation duct; 2. a cylinder body; 3. an annular baffle; 4. a first annular rubber block; 5. a first ring block; 6. an air inlet pipe; 7. a first slider; 8. a third connecting block; 9. a second annular rubber block; 10. a second ring block; 11. an annular plate; 12. a second slider; 13. a third slider; 14. a first connection block; 15. a second connecting block; 16. a threaded rod; 17. a nut; 18. a handle; 19. a first gasket; 20. a second gasket; 21. and (4) a valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, a connecting device for installing a ventilation duct comprises a ventilation duct 1 and a connecting device, the connecting device comprises a barrel 2 with a plane cross section of one end side end face, two through grooves are symmetrically formed on the side wall of the plane end of the barrel 2, an annular baffle 3 is fixedly connected in the middle of the inner wall of the barrel 2, the ventilation duct 1 can be positioned, the two ventilation ducts 1 can be conveniently connected, a first annular rubber block 4 and a first annular block 5 are fixedly connected on the side walls of the two ends of the annular baffle 3, the ventilation duct 1 is more conveniently sleeved on the outer wall of the first rubber block due to the elasticity of the first rubber block, the ventilation duct 1 is more conveniently connected, a cavity and a plurality of evenly arranged chutes are formed in the first annular block 5, the cavity is communicated with each chute, and an air inlet pipe 6 is arranged on the barrel 2 and the two first annular blocks 5 and communicated with the two cavities, the inside of the air inlet pipe 6 is provided with a valve 21, which can better control the communication between the inside of the device and the outside and increase the practicability of the device, the chute is provided with a first slide block 7, the bottom end of the slide block is fixedly connected with a third connecting block 8, the bottom ends of a plurality of third connecting blocks 8 are fixedly connected with a second annular rubber block 9, the air inlet pipe 6 can pressurize the cavity, thereby the third connecting block 8 can drive the second annular rubber block 9 to tightly press the ventilating duct 1, the ventilating duct 1 and the connecting device are sealed, air leakage is prevented, and resource waste is effectively prevented, a first sealing gasket 19 is arranged between the side wall of the first slide block 7 and the inner wall of the chute, pressure leakage can be effectively prevented, the stability of the device during operation is improved, a second sealing gasket 20 is arranged between the side wall of the second annular rubber block 9 and the inner wall of the chute, further prevent pressure leakage, improve the reliability of the device, equal fixedly connected with has jagged second annular piece 10 on the lateral wall of two first annular pieces 5, the second spout has been seted up to the inside of second annular piece 10, the inside of second spout is equipped with has open-ended annular plate 11, a plurality of even teeth of fixedly connected with on the inner wall of annular plate 11, the opening part of annular plate 11 articulates with annular plate 11 has second slider 12 and third slider 13, two second sliders 12 pass two logical grooves respectively and top fixedly connected with first connecting block 14, two third sliders 13 pass two logical grooves respectively and top fixedly connected with second connecting block 15, the inside spiral shell of second connecting block 15 is equipped with threaded rod 16, the one end fixedly connected with handle 18 of threaded rod 16, rotation threaded rod 16 that can be better, threaded rod 16 passes first connecting block 14 spiral shell and is equipped with nut 17, the one end lateral wall of nut 17 hugs closely first connecting block 14, through handle 18 rotation threaded rod 16, at this moment first connecting block 14 and second connecting block 15 can be close to each other under the effect of nut 17, thereby drive second slider 12 and third slider 13, thereby the air pipe can be more closely connected through the stability improvement air pipe 1 through the annular plate fixed 1 that can be better.

In summary, the working principle and the working process of the connecting device for installing the ventilation duct are that, when in use, two ventilation ducts 1 to be connected are respectively sleeved on the outer walls of two first annular rubber blocks 4, then the air ducts are pressurized into the cavity through the air inlet pipe 6, at this time, the first slider 7 can drive the third connecting block 8 to enable the second annular rubber block 9 to press the ventilation ducts 1 tightly, air leakage can be effectively prevented, then the threaded rod 16 is rotated through the handle 18, the first connecting block 14 and the second connecting block 15 respectively drive the second slider 12 and the third slider 13 to approach each other, at this time, the annular plate 11 can drive the teeth to clamp the ventilation ducts 1 tightly, the ventilation ducts 1 are effectively fixed, the stability of the device is improved, when the ventilation ducts 1 need to be dismounted, only the valve 21 needs to be opened, the second annular rubber block 9 is made to leave the outer walls of the ventilation ducts 1, then the threaded rod 16 is rotated to make the teeth not clamp the outer walls of the ventilation ducts 1 tightly, and then the ventilation ducts 1 can be dismounted.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims (6)

1. The utility model provides a connecting device is used in installation of air pipe, includes air pipe (1) and connecting device, connecting device includes that the cross section of one end side end face is planar barrel (2), its characterized in that: two through grooves are symmetrically formed in the side wall of the plane end of the barrel body (2), an annular baffle (3) is fixedly connected to the middle of the inner wall of the barrel body (2), two side walls of the two ends of the annular baffle (3) are fixedly connected with a first annular rubber block (4) and a first annular block (5), a cavity and a plurality of uniformly arranged sliding grooves are formed in the first annular block (5), the cavity and each sliding groove are communicated, an air inlet pipe (6) is arranged between the barrel body (2) and the two first annular blocks (5) and communicated with the two cavities, a first sliding block (7) is arranged in each sliding groove, a third connecting block (8) is fixedly connected to the bottom end of each sliding block, a second annular rubber block (9) is fixedly connected to the bottom end of the third connecting block (8), a second annular block (10) with a notch is fixedly connected to the side wall of the two first annular blocks (5), a second sliding groove is formed in the second annular block (10), an open annular plate (11) is arranged in the second sliding groove, a plurality of second sliding blocks (11) are fixedly connected to the side wall of the first annular block (11), and a plurality of second sliding blocks (12) are hinged to the second connecting block (12), two third slider (13) pass two logical grooves and top fixedly connected with second connecting block (15) respectively, the inside spiral shell of second connecting block (15) is equipped with threaded rod (16), threaded rod (16) pass first connecting block (14) spiral shell and are equipped with nut (17).

2. A connecting device for installing a ventilation duct according to claim 1, characterized in that: one end side wall of the nut (17) is tightly attached to the first connecting block (14).

3. A connecting device for installing a ventilation duct according to claim 2, characterized in that: one end of the threaded rod (16) is fixedly connected with a handle (18).

4. A connecting device for installing a ventilation duct according to claim 3, characterized in that: a first sealing gasket (19) is arranged between the side wall of the first sliding block (7) and the inner wall of the sliding groove.

5. A connecting device for installing a ventilation duct according to claim 4, characterized in that: and a second sealing gasket (20) is arranged between the side wall of the second annular rubber block (9) and the inner wall of the sliding groove.

6. A connecting device for installing a ventilation duct according to claim 5, characterized in that: and a valve (21) is arranged in the air inlet pipe (6).

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