Ventilation pipeline connecting structure

Abstract

The utility model discloses a ventilation pipeline connecting structure, which belongs to the technical field of ventilation pipeline connection, can quickly realize integral installation treatment between two pipelines during working, and can reduce the corrosion condition and avoid the condition that the pipelines are inconvenient to disassemble subsequently and the like as much as possible because most connecting pieces are arranged between the two pipelines. The ventilation pipeline connecting structure comprises a first ventilation pipeline and a second ventilation pipeline, a first protruding base is arranged on the outer edge of the end, facing the second ventilation pipeline, of the first ventilation pipeline in a protruding mode, and a second protruding base is arranged on the outer edge of the end, facing the first ventilation pipeline, of the second ventilation pipeline in a protruding mode. Sealing gaskets are installed on the outer edges of the first protruding base and the second protruding base in a protruding and embedded mode, the first protruding base is arranged on the outer edge of the end, facing the first ventilation pipeline, of the second ventilation pipeline in a protruding mode, a clamping hole is formed in the end, facing the second protruding base, of the first protruding base, and a clamping assembly is installed at the end, facing the first protruding base, of the second protruding base.

Description

Technical Field

[0001] The utility model belongs to the technical field of ventilation duct connection, and in particular relates to a ventilation duct connection structure. Background Art

[0002] In existing ventilation ducts used in electromechanical engineering, the connections between ducts are mostly achieved by multiple sets of bolts to achieve the overall installation between ducts. When the ducts need to be disassembled and replaced later, it takes a long time to achieve the overall disassembly of the ventilation duct. At the same time, since most of the bolts are directly exposed to the outside, they are prone to rust and cannot be disassembled well. Therefore, a ventilation duct connection structure is needed to help solve this problem. Utility Model Content

[0003] (1) Technical problems to be solved

[0004] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a ventilation duct connection structure, which can quickly realize the overall installation processing between the two ducts during operation. At the same time, since the connecting parts are mostly located between the two ducts, it can reduce rust and avoid the situation where the ducts are difficult to disassemble later.

[0005] (2) Technical solution

[0006] In order to solve the above technical problems, the utility model provides a ventilation duct connection structure, which includes a first ventilation duct and a second ventilation duct, the first ventilation duct is provided with a first protruding seat protruding from the outer edge of one end facing the second ventilation duct, the second ventilation duct is provided with a second protruding seat protruding from the outer edge of one end facing the first ventilation duct, a sealing gasket is protrudingly embedded and installed on the outer edges of the first protruding seat and the second protruding seat, the second ventilation duct is provided with a first protruding seat protruding from the outer edge of one end facing the first ventilation duct, a clamping hole is formed at one end of the first protruding seat facing the second protruding seat, and a clamping cavity is formed at one end of the second protruding seat facing the first protruding seat, and a clamping component that cooperates with the clamping hole for positioning is installed in the clamping cavity;

[0007] A sealing cavity is formed at one end of the first protrusion seat toward the second protrusion seat, a sealing assembly is installed in the sealing cavity, and a sealing groove is formed at one end of the second protrusion seat toward the first protrusion seat, the sealing assembly and the sealing groove cooperate to seal.

[0008] Furthermore, a protruding block is protrudingly provided on the outer side edge of the second protruding seat, and the clamping assembly includes a sliding plate slidably provided in the clamping cavity, and a clamping column is protrudingly provided on the sliding plate, and the clamping hole and the clamping column are engaged with each other, and a screw rod is arranged for transverse rotation in the clamping cavity, and the sliding plate is sleeved and installed on the screw rod, and a worm gear is sleeved and fixed at the middle section of the screw rod, and a knob is rotatably embedded and installed on the protruding block, and a worm gear is fixed to one end of the knob facing the worm gear, and the worm gear and the worm gear cooperate for transmission.

[0009] Furthermore, the screw rod is symmetrically provided with two threads with opposite spiral directions, and the sliding plate and the screw rod are threadedly matched.

[0010] Furthermore, limiting grooves are symmetrically provided on both sides of the sliding plate, and limiting strips are symmetrically protruded in the engaging cavity, and the limiting strips slide in cooperation with the limiting grooves.

[0011] Furthermore, the clamping post is T-shaped, and the clamping hole is provided with an insertion port for the clamping post to be inserted and a clamping groove communicated with the insertion port, and the insertion port is communicated with the clamping groove.

[0012] Furthermore, the sealing assembly includes a sealing ring slidably arranged in the sealing cavity, the sealing ring is in a rectangular frame structure, an ejection spring is installed in the sealing cavity to assist the sealing ring in pushing, and the sealing ring cooperates with the sealing groove to form a seal.

[0013] Furthermore, a plurality of ejection springs are provided, and the plurality of ejection springs are equidistantly arranged in the sealing cavity.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model cooperates with the provided clamping hole and the clamping post, etc., so that the clamping post is inserted and installed in the clamping hole, and the knob is turned to drive the worm to rotate as a whole. The worm and the worm wheel cooperate with each other to rotate the worm wheel as a whole and the lead screw as a whole. The sliding plate and the lead screw are threadedly engaged, so that the sliding plate moves to both sides, thereby causing the clamping post on the sliding plate to move as a whole, and then the clamping post is stably clamped and installed in the clamping hole, thereby completing the overall positioning processing of the first protruding seat and the second protruding seat. The overall installation processing between the two pipes can be quickly realized during work. At the same time, since most of the connecting parts are located between the two pipes, rust can be reduced, and the situation of the pipe being difficult to disassemble later can be avoided as much as possible.

[0017] The utility model cooperates with the provided sealing component and the sealing groove, etc., so that the sealing ring enters the sealing groove while the first protruding seat and the second protruding seat are close to each other, and the sealing ring is compressed as a whole. At the same time as the sealing ring is compressed, the ejection spring is also compressed as a whole, thereby achieving an overall sealing treatment between the sealing component and the sealing groove, which can ensure the overall sealing after the first ventilation duct and the second ventilation duct are connected in subsequent work. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model when it is unfolded;

[0020] Figure 2 This is a schematic diagram of the structure of the utility model after being disassembled in a mutually spliced ​​manner;

[0021] Figure 3 For this utility model Figure 1 Schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 4 This is a longitudinal cross-sectional view of the protruding block of the utility model;

[0023] Figure 5 This is a longitudinal cross-sectional view of the first protruding seat corresponding to the sealing assembly of the present invention.

[0024] The marks in the accompanying drawings are: 1. first ventilation duct; 2. second ventilation duct; 3. first protruding seat; 4. second protruding seat; 41. protruding block; 5. sealing gasket; 6. snap-in hole; 7. snap-in assembly; 71. limiting strip; 8. sliding plate; 81. limiting groove; 9. snap-in column; 10. screw; 101. worm gear; 11. knob; 111. worm; 12. sealing assembly; 121. sealing groove; 13. sealing ring; 14. ejection spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] This specific embodiment is a ventilation duct connection structure, such as Figure 1 、 Figure 2 and Figure 3 As shown, the ventilation duct connection structure includes a first ventilation duct 1 and a second ventilation duct 2, a first protruding seat 3 is protrudingly provided at the outer edge of one end of the first ventilation duct 1 facing the second ventilation duct 2, a second protruding seat 4 is protrudingly provided at the outer edge of one end of the second ventilation duct 2 facing the first ventilation duct 1, and a sealing gasket 5 is protrudingly embedded and installed at the outer edges of the first protruding seat 3 and the second protruding seat 4, a first protruding seat 3 is protrudingly provided at the outer edge of one end of the second ventilation duct 2 facing the first ventilation duct 1, a clamping hole 6 is provided at one end of the first protruding seat 3 facing the second protruding seat 4, a clamping cavity is provided at one end of the second protruding seat 4 facing the first protruding seat 3, a clamping component 7 is installed in the clamping cavity that cooperates with the clamping hole 6 for positioning, and a protruding block is protrudingly provided on the outer side of the second protruding seat 4. 41. The clamping assembly 7 includes a sliding plate 8 that is slidably arranged in the clamping cavity. A clamping column 9 is protruding from the sliding plate 8. The clamping column 9 is T-shaped. An insertion port for the clamping column 9 and a clamping groove connected with the insertion port are provided on the clamping hole 6. The insertion port is connected with the clamping groove. The clamping hole 6 and the clamping column 9 are engaged with each other. A screw rod 10 is arranged for horizontal rotation in the clamping cavity. Two threads with opposite spiral directions are symmetrically provided on the screw rod 10. The sliding plate 8 and the screw rod 10 are threadedly engaged. The sliding plate 8 is sleeved and installed on the screw rod 10. A worm gear 101 is sleeved and fixed at the middle section of the screw rod 10. A knob 11 is rotatably embedded and installed on the protruding block 41. A worm 111 is fixed to one end of the knob 11 facing the worm gear 101. The worm gear 101 and the worm gear 111 are engaged for transmission.

[0027] The clamping column 9 is inserted into the clamping hole 6 through the cooperation between the provided clamping hole 6 and the clamping column 9, and the knob 11 is turned, and the knob 11 drives the worm 111 to rotate as a whole, and the worm 111 cooperates with the worm wheel 101 to transmit, so that the worm wheel 101 rotates as a whole and the screw rod 10 rotates as a whole, and the sliding plate 8 and the screw rod 10 are threadedly cooperated, so that the sliding plate 8 moves to both sides, and the clamping column 9 on the sliding plate 8 moves as a whole, so that the clamping column 9 is stably clamped and installed in the clamping hole 6, thereby completing the overall positioning processing of the first protruding seat 3 and the second protruding seat 4, and the overall installation processing between the two pipes can be quickly realized during work. At the same time, since most of the connecting parts are located between the two pipes, rust can be reduced, and the situation of the pipe being difficult to disassemble later can be avoided as much as possible.

[0028] The above-mentioned sliding plate 8 is symmetrically provided with limiting grooves 81 on both sides, and the limiting strips 71 are symmetrically protruded in the clamping cavity. The limiting strips 71 slide in cooperation with the limiting grooves 81. Through the cooperation between the set limiting grooves 81 and the limiting strips 71, it can be ensured that the sliding plate 8 can slide stably during adjustment during operation.

[0029] Reference Figure 1 、 Figure 3 and Figure 5 As shown, a sealing cavity is opened at one end of the first protruding seat 3 toward the second protruding seat 4, and a sealing assembly 12 is installed in the sealing cavity. A sealing groove 121 is opened at one end of the second protruding seat 4 toward the first protruding seat 3, and the sealing assembly 12 and the sealing groove 121 cooperate to seal. The sealing assembly 12 includes a sealing ring 13 slidably arranged in the sealing cavity, and the sealing ring 13 has a rectangular frame structure. An ejection spring 14 pushed by the auxiliary sealing ring 13 is installed in the sealing cavity, and the sealing ring 13 and the sealing groove 121 cooperate to seal.

[0030] Through the cooperation between the provided sealing component 12 and the sealing groove 121, the sealing ring 13 enters the sealing groove 121 while the first protruding seat 3 and the second protruding seat 4 are close to each other, and the sealing ring 13 is compressed as a whole. When the sealing ring 13 is compressed, the ejection spring 14 is also compressed as a whole, thereby achieving an overall sealing treatment between the sealing component 12 and the sealing groove 121, which can ensure the overall sealing after the first ventilation duct 1 and the second ventilation duct 2 are connected in subsequent work.

[0031] There are a plurality of ejection springs 14 , which are equidistantly arranged in the sealing cavity. The plurality of ejection springs 14 ensure that each position of the sealing ring 13 can be stably clamped and fixed.

[0032] Working principle:

[0033] During operation, when the first ventilation duct 1 and the second ventilation duct 2 need to be installed, the first protruding seat 3 on the first ventilation duct 1 is aligned with the second protruding seat 4 on the second ventilation duct 2, and the clamping column 9 is inserted and installed in the clamping hole 6. When the first protruding seat 3 and the second protruding seat 4 are close to each other, the sealing ring 13 enters the sealing groove 121 and is compressed as a whole. When the sealing ring 13 is compressed, the ejector spring 14 is also compressed as a whole, thereby making the sealing assembly 12 and the sealing groove 121 sealed as a whole.

[0034] Turn the knob 11, and the knob 11 drives the worm 111 to rotate as a whole. The worm 111 and the worm wheel 101 cooperate with each other for transmission, so that the worm wheel 101 rotates as a whole and the screw rod 10 rotates as a whole. The sliding plate 8 and the screw rod 10 are threadedly matched, so that the sliding plate 8 moves to both sides, and then the clamping column 9 on the sliding plate 8 moves as a whole, so that the clamping column 9 is stably clamped and installed in the clamping hole 6, thereby completing the overall positioning processing of the first protruding seat 3 and the second protruding seat 4.

[0035] All technical features in this embodiment can be freely combined according to actual needs.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A ventilation duct connection structure, comprising a first ventilation duct (1) and a second ventilation duct (2), characterized in that: The first ventilation duct (1) is provided with a first protruding seat (3) at an outer edge of one end thereof facing the second ventilation duct (2), the second ventilation duct (2) is provided with a second protruding seat (4) at an outer edge of one end thereof facing the first ventilation duct (1), and a sealing gasket (5) is embedded and installed at the outer edges of both the first protruding seat (3) and the second protruding seat (4), the second ventilation duct (2) is provided with a first protruding seat (3) at an outer edge of one end thereof facing the first ventilation duct (1), a snap-fit ​​hole (6) is provided at one end of the first protruding seat (3) facing the second protruding seat (4), and a snap-fit ​​cavity is provided at one end of the second protruding seat (4) facing the first protruding seat (3), and a snap-fit ​​assembly (7) is installed in the snap-fit ​​cavity and is positioned in cooperation with the snap-fit ​​hole (6); A sealing cavity is provided at one end of the first protruding seat (3) facing the second protruding seat (4), a sealing assembly (12) is installed in the sealing cavity, and a sealing groove (121) is provided at one end of the second protruding seat (4) facing the first protruding seat (3), the sealing assembly (12) and the sealing groove (121) cooperate to form a seal.

2. A ventilation duct connection structure according to claim 1, characterized in that: A protruding block (41) is protrudingly provided on the outer side of the second protruding seat (4); the clamping assembly (7) comprises a sliding plate (8) slidably provided in the clamping cavity; a clamping column (9) is protrudingly provided on the sliding plate (8); the clamping hole (6) and the clamping column (9) are engaged with each other; a screw rod (10) is arranged in the clamping cavity for transverse rotation; the sliding plate (8) is sleeved and installed on the screw rod (10); a worm wheel (101) is sleeved and fixed at the middle section of the screw rod (10); a knob (11) is rotatably embedded and installed on the protruding block (41); a worm wheel (111) is fixed to one end of the knob (11) facing the worm wheel (101); the worm wheel (101) and the worm wheel (111) are engaged and transmitted.

3. A ventilation duct connection structure according to claim 2, characterized in that: The screw rod (10) is symmetrically provided with two threads with opposite spiral directions, and the sliding plate (8) and the screw rod (10) are thread-matched.

4. A ventilation duct connection structure according to claim 3, characterized in that: Limiting grooves (81) are symmetrically provided on both sides of the sliding plate (8), and limiting strips (71) are symmetrically protruded in the clamping cavity, and the limiting strips (71) slide in cooperation with the limiting grooves (81).

5. A ventilation duct connection structure according to claim 4, characterized in that: The clamping column (9) is T-shaped, and the clamping hole (6) is provided with an insertion port for the clamping column (9) to be inserted and a clamping groove communicated with the insertion port, wherein the insertion port is communicated with the clamping groove.

6. The ventilation duct connection structure according to claim 1, characterized in that: The sealing assembly (12) comprises a sealing ring (13) slidably arranged in a sealing cavity, wherein the sealing ring (13) is in a rectangular frame-shaped structure, and an ejection spring (14) pushed by an auxiliary sealing ring (13) is installed in the sealing cavity, and the sealing ring (13) cooperates with the sealing groove (121) to form a seal.

7. A ventilation duct connection structure according to claim 6, characterized in that: A plurality of ejection springs (14) are provided, and the plurality of ejection springs (14) are equidistantly arranged in the sealing cavity.

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