Quick connecting pipe fitting for road construction

Abstract

The utility model relates to the technical field of pipeline connection, in particular to a quick connecting pipe fitting for road construction, which comprises a first pipe fitting and a second pipe fitting which are communicated in a butt joint mode, a sealing sleeve which is inserted and connected on the outer wall of the butt joint position of the first pipe fitting and the second pipe fitting, and a connecting pipe which is arranged outside the sealing sleeve and is used for connecting the first pipe fitting and the second pipe fitting. A first outer sleeve and a second outer sleeve which are in butt joint are fixedly arranged on the outer wall of the first pipe fitting and the outer wall of the second pipe fitting respectively, a plurality of connecting devices are arranged on the outer wall of the first outer sleeve and the outer wall of the second outer sleeve, and the connecting devices can fix the first pipe fitting and the second pipe fitting while the first pipe fitting and the second pipe fitting are in butt joint. When the pipe fittings are butted, the quick connection of the pipe fittings can be realized, complicated operation is not needed, the construction efficiency can be improved, the sealing sleeve and the outer sleeve which are sequentially arranged outside the pipe fittings can ensure that the joints of the pipe fittings have good sealing performance, and the maintenance requirement caused by leakage can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connection technical field, concretely relates to a road construction quick -witted connecting pipe fitting. BACKGROUND

[0002] In modern city construction, road engineering as the core component of infrastructure construction, its construction efficiency and quality are directly related to the overall operation efficiency of city and the life quality of resident. Pipeline system as an important link in road engineering, bears multiple functions such as drainage, water supply, and its installation and docking convenience, sealing and durability become one of the key indicators of road construction level.

[0003] Pipeline connection in road construction adopts the way of flange plate cooperation bolt and nut, this connecting mode can satisfy basic connecting demand to some extent, but there are some problems in actual operation. First, flange plate connection needs construction personnel to accurately measure pipeline position, installs and fastens bolt and nut one by one, this process not only consumes time and effort, but also is influenced by human factors, leads to low connecting efficiency. Secondly, the sealing performance of flange plate connection is often difficult to guarantee, especially under the condition of long-term pressure bearing, temperature change or external force impact, easy to appear leakage problem, brings hidden danger to the safe operation of road engineering. In addition, flange plate connection also faces the limitations such as high material cost, large installation space requirement, is difficult to meet the requirements of high efficiency, environmental protection, economy of modern road construction.

[0004] Therefore, it is particularly important to develop a new pipe fitting that can overcome the above shortcomings and realize the rapid, convenient and reliable connection of pipelines in road construction. CONTENT OF UTILITY MODEL

[0005] To solve the above technical problems, the utility model provides a road construction quick -witted connecting pipe fitting, which comprises: first pipe fitting and second pipe fitting connected in butt joint mode, sealing sleeve pipe is arranged on the outer wall of the butt joint of the first pipe fitting and the second pipe fitting, first outer sleeve pipe and second outer sleeve pipe are respectively arranged on the outer wall of the first pipe fitting and the second pipe fitting outside the sealing sleeve pipe and are arranged in butt joint mode.

[0006] A plurality of connecting devices are arranged on the outer wall of the first outer sleeve pipe and the second outer sleeve pipe, and the connecting devices can fix the first pipe fitting and the second pipe fitting while the first pipe fitting and the second pipe fitting are in butt joint.

[0007] Further, the connecting device comprises first and second support blocks fixedly arranged on the outer walls of the first and second outer sleeve respectively, and the first and second support blocks are located on the same side of the outer walls of the first and second outer sleeve, a fixed rod parallel to the axis of the first pipe is arranged on the first support block, a through hole matching the cross section of the fixed rod is arranged on the second support block, a recess is arranged at the end of the fixed rod, a first spring perpendicular to the axis of the fixed rod is arranged in the recess, one end of the first spring is fixed on the bottom of the recess, and the other end of the first spring is fixedly connected with a clamping block outside the recess, and the clamping block is provided with an inclined surface opposite to the through hole;

[0008] Further, a fixed block fixedly arranged on the fixed rod and a sliding block slidingly arranged on the fixed rod are arranged between the end of the fixed rod close to the first support block and the recess, and a second spring is arranged between the fixed block and the sliding block and sleeved on the fixed rod;

[0009] Further, the first spring is provided with an expansion rod;

[0010] Further, a plurality of the connecting devices are symmetrically arranged relative to the axes of the first and second pipes;

[0011] Further, a sleeve is arranged between the first and second outer sleeves, the two ends of the sleeve are butted against the first and second outer sleeves respectively, a filling groove is arranged in the inner ring of the sleeve, and a filling port communicating with the filling groove is arranged on the outer wall of the sleeve;

[0012] Further, the sleeve is located directly above the sealing sleeve joint;

[0013] Further, a plurality of sealing rings are arranged in the sealing sleeve.

[0014] Compared with the prior art, the connecting device has the advantages that:

[0015] 1. The connecting device is used to connect the pipes, the pipes are connected quickly without complex operation, the construction period is shortened, and the time cost is reduced.

[0016] 2. The connecting device can be adapted to pipes of different specifications and materials, and stable and reliable connection is provided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a side view of the first pipe fitting of this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the second pipe fitting of this utility model;

[0020] Figure 4 This is a schematic diagram of the connecting device of this utility model;

[0021] In the diagram: 1. First fitting; 2. Second fitting; 3. First outer sleeve; 4. Second outer sleeve; 5. Connecting device; 51. First support block; 52. Fixing rod; 53. Clamping block; 54. Second support block; 55. First spring; 56. Telescopic rod; 57. Fixing block; 58. Sliding block; 59. Second spring; 6. Sealing sleeve; 61. Socket end; 62. Socket end; 7. Sleeve; 71. Filling groove; 72. Filling port; 8. Through hole; 9. Groove. Detailed Implementation

[0022] The technical solution adopted by this utility model will be clearly and completely described below with reference to the accompanying drawings and embodiments.

[0023] First, such as Figures 1-4 As shown, this utility model provides a quick-connect pipe fitting for road construction, including a first pipe fitting 1 and a second pipe fitting 2 connected by a butt joint. A sealing sleeve 6 is provided on the outer wall of the butt joint of the first pipe fitting 1 and the second pipe fitting 2. The socket end 61 of the sealing sleeve 6 is fixedly provided on the outer wall of the first pipe fitting 1 for the butt joint, and the inlet end 62 of the sealing sleeve 6 is fixedly provided on the outer wall of the second pipe fitting 2 for the butt joint. A sealing ring 63 is provided on the inlet end 62.

[0024] Specifically, such as Figures 2-3 As shown, in this embodiment, when the ends of the first pipe fitting 1 and the second pipe fitting 2 are connected, the insertion end 62 of the insertion sealing sleeve 6 can be inserted into the socket end 61, and the sealing ring 63 can achieve a preliminary seal on the connected first pipe fitting 1 and the second pipe fitting 2.

[0025] In addition, as a preferred technical solution, multiple sealing rings 63 can be provided on the socket end 62 to further improve the initial sealing effect.

[0026] Further, the utility model discloses the outside of the plug -in sealing sleeve 6 is equipped with the butt -joint outer sleeve, and the inner diameter of butt -joint outer sleeve matches with the outer diameter of sealing sleeve 6, to improve the connection accuracy of whole pipe fitting, and protect sealing sleeve 6, including: butt -joint's first outer sleeve 3 and second outer sleeve 4, wherein, first outer sleeve 3 is fixed and arranged on the outer wall of first pipe fitting 1, and the end for butt -joint of first outer sleeve 3 is arranged on the outside of socket end 61, second outer sleeve 4 is fixed and arranged on the outer wall of second pipe fitting 2, and the end for butt -joint of second outer sleeve 4 is arranged on the outside of spigot end 62, that is, when the spigot end 62 of sealing sleeve 6 is inserted into socket end 61, first outer sleeve 3 and second outer sleeve 4 butt -joint on the outside of plug -in sealing sleeve 6,

[0027] Further, the utility model discloses the outside of the plug -in sealing sleeve 6 is equipped with the butt -joint outer sleeve, and the inner diameter of butt -joint outer sleeve matches with the outer diameter of sealing sleeve 6, to improve the connection accuracy of whole pipe fitting, and protect sealing sleeve 6, including: butt -joint's first outer sleeve 3 and second outer sleeve 4, wherein, first outer sleeve 3 is fixed and arranged on the outer wall of first pipe fitting 1, and the end for butt -joint of first outer sleeve 3 is arranged on the outside of socket end 61, second outer sleeve 4 is fixed and arranged on the outer wall of second pipe fitting 2, and the end for butt -joint of second outer sleeve 4 is arranged on the outside of spigot end 62, that is, when the spigot end 62 of sealing sleeve 6 is inserted into socket end 61, first outer sleeve 3 and second outer sleeve 4 butt -joint on the outside of plug -in sealing sleeve 6, Figure 4 As shown, including: first support block 51 and second support block 54 are fixedly arranged on the outer wall of first outer sleeve 3 and second outer sleeve 4 respectively, and first support block 51 and second support block 54 are located on the same side of the outer wall of first outer sleeve 3 and second outer sleeve 4, first support block 51 is equipped with the fixed rod 52 parallel with the axis of first pipe fitting 1, and the second support block 54 is equipped with the through -hole 8 matched with the end of fixed rod 52, that is, when first outer sleeve 3 and second outer sleeve 4 butt -joint, the end of fixed rod 52 on first support block 51 can pass through the through -hole 8 opened in second support block 54;

[0028] Further, the end of fixed rod 52 is equipped with recess 9, recess 9 is equipped with the first spring 55 perpendicular with the axis of fixed rod 52 in, one end of first spring 55 is fixed in the bottom of recess 9, and the other end is fixedly connected with the clamping block 53 located outside recess 9, and the bottom surface size of clamping block 53 is less than recess 9, that is, can pull clamping block 53 into recess 9 by compressing first spring 55, and the surface of clamping block 53 opposite second support block 54 is inclined, so when fixed rod 52 is inserted into the process of through -hole 8, the inner wall of through -hole 8 will compress first spring 55 through the inclined surface of clamping block 53, and the first spring 55 compressed can hide clamping block 53 in the recess 9 of fixed rod 52, and the end of fixed rod 52 can pass through through -hole 8, when the end of fixed rod 52 passes through through -hole 8, first spring 55 is not under pressure and under the action of its elasticity, clamping block 53 is ejected from recess 9, and is clamped on the side wall of second support block 54, that is, can realize fixed, and make fixed rod 52 unable to exit from through -hole 8, by setting multiple connection devices 5, multiple connection devices 5 are preferably symmetrically arranged relative to the axis of first pipe fitting 1 and second pipe fitting 2, that is, can realize the quick connection of first pipe fitting 1 and second pipe fitting 2.

[0029] Preferably, a telescopic rod 56 for guiding is arranged in the first spring 55 to ensure the smooth entry and exit of the clamping block 53 in the groove 9.

[0030] In addition, a fixed block 57 fixed on the fixed rod 52 and a sliding block 58 slidingly arranged on the fixed rod 52 are arranged between the end of the fixed rod 52 close to the first support block 51 and the groove 9, and a second spring 59 is arranged between the fixed block 57 and the sliding block 58 and sleeved on the fixed rod 52. Specifically, since the cross-sectional dimension of the fixed rod 52 matches the through hole 8, when the end of the fixed rod 52 passes through the through hole 8, the sliding block 58 cannot pass through and abuts against the side wall of the second support block 54, and the second spring 59 is compressed, so that the clamping block 53 cooperates with the sliding block 58 to bidirectionally clamp the second support block 54, preventing the key connection from shaking.

[0031] Secondly, in order to further improve the sealing effect after the pipe fittings are connected, the utility model also can set up a movable sleeve pipe 7 between the first sleeve pipe 3 and the second sleeve pipe 4, the two ends of the sleeve pipe 7 are respectively butted against the first sleeve pipe 3 and the second sleeve pipe 4, the inner diameter of the sleeve pipe 7 matches the outer diameter of the sealing sleeve pipe 6, and the sleeve pipe 7 is preferably located directly above the joint of the sealing sleeve pipe 6, the inner circle of the sleeve pipe 7 is provided with a filling groove 71, and the outer wall is provided with a filling port 72 communicating with the filling groove 71, so that the filling port 72 can be used to inject sealing materials such as epoxy resin materials into the filling groove 71, and further sealing of the pipe fittings after connection can be realized.

[0032] In specific use, the sleeve pipe 7 can be abutted against any one end of the butted first sleeve pipe 3 or second sleeve pipe 4, then the first pipe fitting 1 and the second pipe fitting 2 are butted together, and in the butting process of the two, through adaptive design of the structural size, when the first pipe fitting 1 and the second pipe fitting 2 are butted, the spigot end 62 of the sealing sleeve pipe 6 is inserted into the bell end 61, preliminary sealing of the entire pipe fitting is realized, the first sleeve pipe 3, the sleeve pipe 7 and the second sleeve pipe 4 are butted in sequence to ensure the position accuracy of the butted first pipe fitting 1 and second pipe fitting 2, the fixed rod 52 in the connecting device 5 penetrates the through hole 8, the clamping block 53 in the groove 9 of the end of the fixed rod 52 extends out of the groove 9 and abuts against one side of the second support block 54, and the sliding block 58 abuts against the other side of the second support block 54 under the action of the second spring 59, that is, the butted first pipe fitting 1 and second pipe fitting 2, the inserted sealing sleeve pipe 6 and the butted first sleeve pipe 3, sleeve pipe 7 and second sleeve pipe 4 in sequence are fixed, then the filling port 72 of the outer wall of the sleeve pipe 7 can be used to inject sealing materials into the filling groove 71, and the sealing property of the entire pipe fitting after connection is further improved.

[0033] Finally, the above only for the preferred specific embodiments of the present application, but the scope of the present application is not limited to this, any skilled in the art of the technical personnel in the present application disclosed in the technical range, according to the technical scheme of the present application and its conception to equivalent replacement or change, should be covered in the scope of the present application.

Claims

1. A road construction quick connect pipe fitting comprising: The first pipe fitting (1) and the second pipe fitting (2) are connected in butt joint mode, a sealing sleeve (6) is arranged on the outer wall of the butt joint of the first pipe fitting (1) and the second pipe fitting (2), a first outer sleeve (3) and a second outer sleeve (4) are respectively arranged on the outer wall of the first pipe fitting (1) and the second pipe fitting (2) outside the sealing sleeve (6); The first outer sleeve (3) and the second outer sleeve (4) are arranged on the outer wall of the first outer sleeve (3) and the second outer sleeve (4), and the connecting device (5) can fix the first pipe fitting (1) and the second pipe fitting (2) while the first pipe fitting (1) and the second pipe fitting (2) are in butt joint.

2. A quick connect pipe for road construction according to claim 1, wherein, The connecting device (5) comprises a first support block (51) and a second support block (54) which are respectively arranged on the outer wall of the first outer sleeve (3) and the second outer sleeve (4), and the first support block (51) and the second support block (54) are located on the same side of the outer wall of the first outer sleeve (3) and the second outer sleeve (4), the first support block (51) is provided with a fixed rod (52) which is parallel to the axis of the first pipe fitting (1), the second support block (54) is provided with a through hole (8) which matches the cross section of the fixed rod (52), the end of the fixed rod (52) is provided with a groove (9), the groove (9) is provided with a first spring (55) which is perpendicular to the axis of the fixed rod (52), one end of the first spring (55) is fixed on the bottom of the groove (9), the other end is fixedly connected with a clamping block (53) which is located outside the groove (9), and the clamping block (53) is provided with an inclined surface which faces the through hole (8).

3. A road construction quick connect pipe according to claim 2, wherein, The fixed rod (52) is provided with a fixed block (57) and a sliding block (58) which are respectively arranged on the fixed rod (52) and slide on the fixed rod (52) between the end of the fixed rod (52) close to the first support block (51) and the groove (9), and a second spring (59) is arranged on the fixed rod (52) between the fixed block (57) and the sliding block (58).

4. A road construction quick connect pipe according to claim 3, wherein, The first spring (55) is provided with an expansion rod (56).

5. A road construction quick connect pipe according to claim 4, wherein, A plurality of the connecting devices (5) are symmetrically arranged relative to the axis of the first pipe fitting (1) and the second pipe fitting (2).

6. A quick connect pipe for road construction according to claim 1, wherein, The first outer sleeve (3) and the second outer sleeve (4) are provided with a sleeve (7), the two ends of the sleeve (7) are respectively connected with the first outer sleeve (3) and the second outer sleeve (4), the inner ring of the sleeve (7) is provided with a filling groove (71), and the outer wall of the sleeve (7) is provided with a filling port (72) which communicates with the filling groove (71).

7. A road construction quick connect pipe according to claim 6, wherein, The sleeve (7) is located directly above the joint of the sealing sleeve (6).

8. A quick connect pipe for road construction according to claim 1, wherein, The sealing sleeve (6) is provided with a plurality of sealing rings (63).

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