Splicing structure of civil air defense ventilation pipe

Abstract

The splicing structure comprises a pipe body and a connecting base, inserting grooves are formed in the two ends of the connecting base, the two sets of inserting grooves are matched with the ends of the pipe body, and clamping mechanisms convenient to connect and fix with the pipe body are arranged on the inner sides of the two sets of inserting grooves. By means of the connecting base and the two sets of inserting grooves, butt joint between the two sets of pipe bodies can be facilitated, the two sets of pipe bodies in butt joint can be conveniently clamped and fixed through the clamping mechanism, the two sets of pipe bodies in butt joint can be conveniently detached through the arranged withdrawing mechanisms, and the pipe bodies can be conveniently detached through the withdrawing mechanisms. By means of the structure, the two sets of pipe bodies which are clamped and fixed can be conveniently disassembled, then the locking mode of bolts and nuts can be replaced through the structure, the ventilation pipe can be conveniently installed and disassembled, and the working efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of civil air defence ventilation pipe, specifically to a splicing structure of civil air defence ventilation pipe. BACKGROUND

[0002] The existing ventilation pipe is usually fixedly connected by the bolt and nut locking mode, the operation speed of this connection mode is slow, and the installation and dismounting are all inconvenient, so the working efficiency is reduced, therefore the splicing structure of civil air defence ventilation pipe needs to be designed to solve the above problems. UTILITY MODEL CONTENTS

[0003] The utility model discloses a splicing structure of civil air defence ventilation pipe to solve the problems in the background art.

[0004] In order to achieve the above object, the utility model provides the following technical scheme: a splicing structure of civil air defence ventilation pipe, including pipe body and connecting seat, the both ends of connecting seat are all seted up with the plug -in groove, two groups the plug -in groove all with the end of pipe body is adapted, and the inside of two groups the plug -in groove is equipped with the clamping mechanism that is convenient for with pipe body connects fixed, and the inside of two groups the plug -in groove is equipped with the exit mechanism that is convenient for pipe body dismounting near the position of end part,

[0005] The clamping mechanism includes a clamping strip, four recesses are formed in the inner wall of the plug-in groove, the clamping strip is slidably connected to the inner side of the four recesses, one side of the clamping strip is provided as a slope, the four clamping strips are connected to the four recesses through two groups of first springs, respectively, a clamping groove is formed in the outer circle of the pipe body near the end part, and the clamping groove is matched with the four clamping strips.

[0006] The exit mechanism includes a contact plate, a sliding sleeve is slidably connected to the inner side of the plug-in groove, the sliding sleeve is connected to the contact plate at one end, four slide grooves are formed in one end of the plug-in groove, four slide plates are slidably connected to the inner side of the four slide grooves, and are connected to the slide plates through two groups of second springs, respectively, the four slide plates are arranged on the outer wall of the sliding sleeve, one end of the four slide plates is provided with a pull plate, and the four pull plates are arranged on the outer side of the plug-in groove.

[0007] Preferably, one end of the contact plate is provided as a circular arc.

[0008] Preferably, the inner side of the plug-in groove is provided with a sealing gasket matched with the end part of the pipe body.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] 1.The utility model discloses a one end of two groups of pipe body is inserted into the inside of two groups of plug -in groove respectively, can be in touch with four groups of card strip when the end of pipe body moves to the inside of plug -in groove, and card strip can move along the recess and to its inside under the action of the touch force, can compress corresponding two groups of first spring simultaneously, when the end of pipe body is in touch with plug -in groove, the card slot can be aligned with card strip, can drive card strip reverse movement under the action of the reaction force of corresponding two groups of first spring, thereby can make card strip remove recess and penetrate in the inside of card slot, and further through the setting, can conveniently pipe body's card joint is fixed, and the installation efficiency of ventilation pipe is greatly improved.

[0011] 2.The utility model discloses a one side pull -out pull plate, and pull plate can drive slide plate along the slide groove and move to its inside and compress corresponding two groups of second spring, simultaneously, and slide plate can drive sliding sleeve to move to the inside of plug -in groove, and sliding sleeve can drive touch board to move to the inside of plug -in groove, and touch board can be in touch with card strip during the movement, and card strip can move along the recess and to its inside under the action of the touch force, thereby can make card strip store in the inside of recess, and further through the setting, can conveniently card joint fixed pipe body's dismounting, and the dismounting efficiency of ventilation pipe is greatly improved. DRAWINGS

[0012] Figure 1 It is the schematic diagram of the whole structure of the utility model;

[0013] Figure 2 It is the structure split schematic diagram of the utility model;

[0014] Figure 3 It is the side sectional view of connecting seat part;

[0015] Figure 4 It is Figure 3 The enlarged view of A in the figure.

[0016] In the figure: 1, pipe body, 2, connecting seat, 3, plug -in groove, 4, recess, 5, card strip, 6, first spring, 7, card slot, 8, sliding sleeve, 9, slide plate, 10, pull plate, 11, slide groove, 12, second spring, 13, touch board, 14, sealing pad. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of protection of the utility model.

[0018] Embodiment one

[0019] Referring to Figures 1-4 The utility model provides a kind of splicing structure of civil air defence ventilation pipe, including pipe body 1 and connecting seat 2, connecting seat 2 both ends are provided with insertion slot 3, two groups of insertion slot 3 are adapted with the end of pipe body 1, the inside of two groups of insertion slot 3 is equipped with the clamping mechanism that is convenient for being connected with pipe body 1 fixed, the inside of two groups of insertion slot 3 is equipped with the exit mechanism that is convenient for pipe body 1 disassembly near end portion position;

[0020] Specifically, by setting the connecting seat 2 and two groups of insertion slot 3, the butt joint between the two groups of pipe body 1 can be facilitated, by setting the clamping mechanism, the butt joint of the two groups of pipe body 1 can be conveniently clamped and fixed, by setting the exit mechanism, the disassembly of the two groups of pipe body 1 clamped and fixed can be facilitated, and thus through the above structure, the locking mode of bolt and nut can be replaced, the installation and disassembly of the ventilation pipe are facilitated, and the work efficiency is greatly improved.

[0021] Among them, the clamping mechanism includes clamping strip 5, the inner wall of insertion slot 3 is provided with four groups of grooves 4, the inside of four groups of grooves 4 is slidably connected with clamping strip 5, one side of clamping strip 5 is provided as a slope, four groups of clamping strip 5 are connected with four groups of grooves 4 through two groups of first springs 6 respectively, the outer circle of pipe body 1 is provided with clamping groove 7 adapted with four groups of clamping strip 5 near end portion position, when the butt joint of the two groups of pipe body 1 is needed, one end of the two groups of pipe body 1 is inserted into the inside of two groups of insertion slot 3 respectively, when the end of pipe body 1 moves to the inside of insertion slot 3, it can be in contact with four groups of clamping strip 5, under the action of contact force, clamping strip 5 can move along groove 4 and to its inside, while two groups of first springs 6 corresponding can be compressed, when the end of pipe body 1 is in contact with insertion slot 3, clamping groove 7 can be aligned with clamping strip 5, under the action of reaction force of two groups of first springs 6 corresponding, clamping strip 5 can be reversely moved, so that clamping strip 5 can move out of groove 4 and penetrate in the inside of clamping groove 7, and thus by setting, the clamping and fixing of pipe body 1 can be facilitated, and the installation efficiency of ventilation pipe is greatly improved.

[0022] When it is necessary to disassemble the pipe body 1, the pull plate 10 is pulled to one side, the pull plate 10 can drive the sliding plate 9 to move along the sliding groove 11 to the inner side thereof and compress the corresponding two groups of second springs 12, at the same time, the sliding plate 9 can drive the sliding sleeve 8 to move to the inner side of the plug-in groove 3, the sliding sleeve 8 can drive the abutting plate 13 to move to the inner side of the plug-in groove 3, the abutting plate 13 can abut against the clamping strip 5 during the movement, the clamping strip 5 can move along the groove 4 and to the inner side thereof under the abutting force, so that the clamping strip 5 can be accommodated in the inner side of the groove 4, thereby the disassembly of the pipe body 1 after clamping and fixing can be facilitated, and the disassembly efficiency of the ventilation pipe is greatly improved.

[0023] The one end of the abutting plate 13 is arc-shaped, and the arc-shaped abutting plate 13 can facilitate the abutting movement between the abutting plate 13 and the clamping strip 5.

[0024] The inner side of the plug-in groove 3 is provided with a sealing gasket 14 matched with the end portion of the pipe body 1, and the sealing gasket 14 can improve the connection sealing performance between the pipe body 1 and the connecting seat 2.

[0025] Working principle: firstly, when the two groups of pipe bodies 1 need to be butt-jointed, the one end of the two groups of pipe bodies 1 is respectively inserted into the inner side of the two groups of plug-in grooves 3, when the end portion of the pipe body 1 moves to the inner side of the plug-in groove 3, the clamping strip 5 can move along the groove 4 and to the inner side thereof under the abutting force, and the corresponding two groups of first springs 6 can be compressed at the same time, when the end portion of the pipe body 1 abuts against the plug-in groove 3, the clamping groove 7 can be aligned with the clamping strip 5, the clamping strip 5 can be reversely moved under the action of the reaction force of the corresponding two groups of first springs 6, the clamping strip 5 can move out of the groove 4 and penetrate into the inner side of the clamping groove 7, so that the clamping and fixing of the pipe body 1 can be completed, when the pipe body 1 needs to be disassembled, the pull plate 10 is pulled to one side, the pull plate 10 can drive the sliding plate 9 to move along the sliding groove 11 to the inner side thereof and compress the corresponding two groups of second springs 12, at the same time, the sliding plate 9 can drive the sliding sleeve 8 to move to the inner side of the plug-in groove 3, the sliding sleeve 8 can drive the abutting plate 13 to move to the inner side of the plug-in groove 3, the abutting plate 13 can abut against the clamping strip 5 during the movement, the clamping strip 5 can move along the groove 4 and to the inner side thereof under the abutting force, the clamping strip 5 can be accommodated in the inner side of the groove 4, so that the disassembly of the pipe body 1 after clamping and fixing can be facilitated, and the whole operation process can be completed.

[0026] What is not described in detail in the specification belongs to the prior art known to those skilled in the art.

[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A splicing structure of a civil air defense ventilation pipe, comprising a pipe body (1) and a connecting seat (2), characterized in that: Both ends of the connecting seat (2) are provided with plug-in grooves (3), two groups of the plug-in grooves (3) are matched with the end of the pipe body (1), the inner side of two groups of the plug-in grooves (3) is provided with clamping mechanisms for connecting and fixing the pipe body (1), the position close to the end of the inner side of two groups of the plug-in grooves (3) is provided with withdrawal mechanisms for disassembling the pipe body (1); The clamping mechanism comprises a clamping strip (5), the inner wall of the plug-in groove (3) is provided with four groups of recesses (4), the inner side of four groups of the recesses (4) is slidably connected with the clamping strip (5), one side of the clamping strip (5) is provided as a slope, four groups of the clamping strip (5) are connected with four groups of the recesses (4) through two groups of first springs (6) respectively, the position close to the end of the outer circle of the pipe body (1) is provided with a clamping groove (7) matched with four groups of the clamping strip (5); The withdrawal mechanism comprises a resisting plate (13), the inner side of the plug-in groove (3) is slidably connected with a sliding sleeve (8), one end of the sliding sleeve (8) is connected with the resisting plate (13), one end of the plug-in groove (3) is provided with four groups of sliding grooves (11), the inner side of four groups of the sliding grooves (11) is slidably connected with sliding plates (9), and is connected with the sliding plates (9) through two groups of second springs (12), four groups of the sliding plates (9) are arranged on the outer wall of the sliding sleeve (8), one end of four groups of the sliding plates (9) is provided with pull plates (10), and four groups of the pull plates (10) are arranged on the outer side of the plug-in groove (3).

2. The splicing structure of the air defense ventilation pipe according to claim 1, characterized in that: One end of the resisting plate (13) is provided as a circular arc.

3. The splicing structure of the air defense ventilation pipe according to claim 2, characterized in that: The inner side of the plug-in groove (3) is provided with a sealing gasket (14) matched with the end of the pipe body (1).

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