Socket connecting device for concrete pipe and steel pipe rubber bushing

Abstract

The utility model discloses a concrete pipe and steel pipe rubber bushing socket connection device, and particularly relates to the technical field of concrete pipes, the concrete pipe comprises a concrete pipe, the inside of the concrete pipe sequentially comprises an outer concrete layer, a steel pipe and an inner concrete layer from outside to inside, and a socket connection mechanism is arranged between the concrete pipe and the steel pipe; the socket connection mechanism comprises a rubber bushing, the rubber bushing is installed at one end of the concrete pipe, and bearing grooves are formed in the surface of one side of the outer concrete layer and the surface of one side of the inner concrete layer. According to the utility model, the socket connection mechanism and the rubber bushing are arranged between the concrete pipe and the steel pipe, so that a good sealing effect is achieved, liquid or gas leakage is effectively prevented, the sealing performance of the connection part can be kept no matter in a high-pressure occasion or in a complex environment such as temperature change, a multiple rubber sealing structure is formed, and the service life of the concrete pipe is prolonged. The pipeline does not swing or settle, the crack resistance is good, the sealing performance is good, and leakage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete pipe technical field more specifically, the utility model relates to concrete pipe and steel pipe rubber bushing socket connection device. BACKGROUND

[0002] In modern engineering construction, the reliability of the pipeline system is crucial, and the effectiveness of the connection mode of the concrete pipe and the steel pipe inside directly affects the performance of the entire pipeline system.

[0003] In many engineering applications, the pipeline needs to withstand high pressure, and the traditional concrete pipe and steel pipe connection mode is prone to deformation, loosening and other conditions under high pressure, thereby increasing the risk of leakage. Because the thermal expansion coefficients of the concrete pipe and the steel pipe are different, when the temperature changes, the expansion and contraction degrees of the two are inconsistent, which is easy to cause stress concentration at the interface. This stress may cause cracks in the connection part, resulting in insufficient sealing of the connection, and further causing leakage. SUMMARY

[0004] In order to overcome the problems and defects in the prior art, the utility model provides a concrete pipe and steel pipe rubber bushing socket connection device to solve the problems raised in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a concrete pipe and steel pipe rubber bushing socket connection device, comprising a concrete pipe, the concrete pipe inside from outside to inside includes an outer concrete layer, a steel pipe and an inner concrete layer, a socket connection mechanism is arranged between the concrete pipe and the steel pipe.

[0006] The socket connection mechanism includes a rubber bushing, the rubber bushing is installed at one end of the concrete pipe, the outer concrete layer and the inner concrete layer are provided with a receiving groove on one side surface, the receiving groove is provided with a rubber clamping block inside, the bottom of the rubber clamping block is fixedly connected with a first rubber block, a fixed groove is formed on the top surface of the steel pipe, a fixed buckle is welded on the top of the steel pipe, the fixed buckle, the bottom surface of the rubber clamping block is provided with a sealing and reinforcing groove, a plurality of tooth blocks are fixedly connected on the outer side of the fixed buckle and the inner wall of the sealing and reinforcing groove.

[0007] The reinforcing mechanism is arranged between the steel pipe and the rubber bushing.

[0008] Preferably, the reinforcing mechanism includes a threaded groove, the threaded groove is formed on one side surface of the steel pipe, a threaded hole is formed on one side surface of the rubber bushing, and a groove is formed on the other side surface of the rubber bushing.

[0009] Preferably, the threaded groove and the threaded hole are internally threadedly connected with a fixing screw rod, one end of the fixing screw rod is fixedly connected with a knob, and the knob is arranged in the groove.

[0010] Preferably, the number of the rubber clamping blocks and the first rubber blocks is multiple, and the first rubber blocks are movably clamped with the fixing grooves.

[0011] Preferably, the tooth blocks on the plurality of fixing buckles are intermeshed with the tooth blocks on the inner walls of the plurality of sealing reinforcing grooves.

[0012] Preferably, a second rubber block is arranged on one side surface of the inner wall of the receiving groove, and the rubber clamping block is fixedly connected with a positioning groove on one side.

[0013] Preferably, the second rubber block is movably clamped with the positioning groove.

[0014] The technical effects and advantages of the utility model are as follows:

[0015] 1. The rubber bushing is installed between the concrete pipe and the steel pipe through the setting of the socket connection mechanism, plays a good sealing role, effectively prevents the leakage of liquid or gas, can maintain the sealing property of the connection part in high-pressure occasions or in complex environments such as temperature changes, forms multiple rubber sealing structures, the rubber sealing structures are mutually matched, greatly improve the sealing performance, reduce the leakage risk, bear greater tension, pressure and torsion, ensure that the pipeline does not appear loose or falling off in the use process, the connection of the concrete pipe and the steel pipe is simple and firm, realizes that the pipeline does not swing and does not settle, has good crack resistance, good sealing property, avoids leakage, the elasticity of the rubber bushing and the flexibility of the socket connection mode enable the connection device to adapt to the bending change of the pipeline, overcome the problem that the bending of the pipeline is not easy to adjust in the traditional connection mode.

[0016] 2. The fixing screw rod and the knob in the reinforcing mechanism are simple and convenient to operate, the reinforcing operation can be completed only by rotating the knob, professional technical personnel are not needed for installation, the setting of the threaded groove, the threaded hole and the fixing screw rod further enhances the connection firmness between the rubber bushing and the steel pipe, the tooth blocks on the outer side of the fixing buckle and the inner wall of the sealing reinforcing groove are intermeshed, and the sealing property of the connection part is further enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model.

[0018] Figure 2 It is a structure schematic view of the concrete pipe of the utility model.

[0019] Figure 3 It is a sectional structure schematic view of the utility model.

[0020] Figure 4 This is a schematic diagram of the connection between the concrete pipe and the rubber bushing of this utility model.

[0021] Figure 5 For the present utility model Figure 4 Enlarged structural diagram at point A in the middle.

[0022] The attached diagram is labeled as follows: 1. Concrete pipe; 2. Outer concrete layer; 3. Steel pipe; 4. Inner concrete layer; 5. Rubber bushing; 6. Receiving groove; 7. Rubber clip; 8. First rubber block; 9. Fixing groove; 10. Toothed block; 11. Fixing buckle; 12. Threaded groove; 13. Threaded hole; 14. Fixing screw; 15. Knob; 16. Groove; 17. Second rubber block; 18. Positioning groove; 19. Sealing and reinforcement groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] As attached Figures 1-5 The concrete pipe and steel pipe rubber bushing socket connection device shown includes a concrete pipe 1. The concrete pipe 1 includes an outer concrete layer 2, a steel pipe 3 and an inner concrete layer 4 from the outside to the inside. A socket connection mechanism is provided between the concrete pipe 1 and the steel pipe 3.

[0025] The socket connection mechanism includes a rubber bushing 5, which is installed at one end of the concrete pipe 1. A receiving groove 6 is provided on one side surface of the outer concrete layer 2 and the inner concrete layer 4. A rubber block 7 is provided inside the receiving groove 6. A first rubber block 8 is fixedly connected to the bottom of the rubber block 7. A fixing groove 9 is provided on the top surface of the steel pipe 3. A fixing buckle 11 is welded to the top of the steel pipe 3. A sealing and reinforcing groove 19 is provided on the bottom surface of the fixing buckle 11 and the rubber block 7. Multiple toothed blocks 10 are fixedly connected to the outer side of the fixing buckle 11 and the inner wall of the sealing and reinforcing groove 19.

[0026] A reinforcing mechanism is provided between the steel pipe 3 and the rubber bushing 5.

[0027] As attached Figures 2-4As shown, the reinforcing mechanism comprises a threaded groove 12 formed on one side surface of the steel pipe 3, a threaded hole 13 formed on one side surface of the rubber bushing 5, a groove 16 formed on the other side surface of the rubber bushing 5, and a fixed screw 14 threadedly connected in the threaded groove 12 and the threaded hole 13, one end of the fixed screw 14 being fixedly connected with a knob 15 arranged in the groove 16, thereby improving the connecting and fixing effect of the steel pipe 3 and the rubber bushing 5.

[0028] As shown in the accompanying drawings, Figures 3-5 The number of the rubber clamping blocks 7 and the first rubber blocks 8 is set to be multiple, the first rubber blocks 8 are movably clamped with the fixed grooves 9, and the tooth blocks 10 on the multiple fixed buckles 11 are engaged with the tooth blocks 10 on the inner walls of the multiple sealing reinforcing grooves 19, thereby further improving the sealing effect and the fixing effect of the steel pipe 3 and the rubber bushing 5.

[0029] As shown in the accompanying drawings, Figure 3 , 4 A second rubber block 17 is formed on one side surface of the inner wall of the receiving groove 6, and a positioning groove 18 is fixedly connected on one side of the rubber clamping block 7, so that the rubber clamping block 7 is movably clamped with the positioning groove 18, the positioning and connecting between the concrete pipe 1 and the rubber bushing 5 are facilitated, and the connecting effect is further ensured by the friction between the second rubber block 17 and the positioning groove 18.

[0030] The working principle of the utility model is as follows: when connecting, the rubber bushing 5 is first installed on one end of the concrete pipe 1, the rubber bushing 5 plays a sealing and buffering role, reduces the friction and vibration between the concrete pipe 1 and the steel pipe 3, the receiving grooves 6 are formed on one side surface of the outer concrete layer 2 and the inner concrete layer 4, are used for cooperating with the rubber clamping blocks 7, the first rubber blocks 8 are fixedly connected to the bottom of the rubber clamping blocks 7, when the concrete pipe 1 is connected with the steel pipe 3 in a socket joint, the rubber clamping blocks 7 and the first rubber blocks 8 are inserted into the corresponding positions, the first rubber blocks 8 are movably clamped with the fixed grooves 9 formed on the top surface of the steel pipe 3, the stability and the sealing property of the connection are increased, the fixed buckles 11 are welded on the top of the steel pipe 3, the sealing reinforcing grooves 19 are formed on the bottom surface of the rubber clamping blocks 7, the multiple tooth blocks 10 are fixedly connected to the outer side of the fixed buckles 11 and the inner wall of the sealing reinforcing grooves 19, when the two are combined, the multiple tooth blocks 10 are engaged with each other, the tightness of the connection is further increased, and leakage caused by temperature change or other physical factors is prevented.

[0031] When the rubber bushing 5 is installed in place, the fixed screw rod 14 is screwed in the threaded groove 12 and the threaded hole 13 by rotating the knob 15, the rubber bushing 5 is further fixed with the steel pipe 3, the firmness of the connection is ensured, the knob 15 is arranged in the groove 16 arranged on the other side surface of the rubber bushing 5, the protrusion is avoided to affect the pipeline installation and use, the second rubber block 17 is arranged on the inner wall of the receiving groove 6, the positioning groove 18 is fixedly connected to one side of the rubber clamping block 7, when the rubber clamping block 7 is inserted into the receiving groove 6, the second rubber block 17 is movably clamped with the positioning groove 18, the sealing effect is further enhanced, and leakage is prevented.

[0032] Finally: the above-mentioned embodiments only illustrate the principle and effect of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.

Claims

1. A rubber bushing spigot and socket joint for connecting a concrete pipe to a steel pipe, comprising a concrete pipe (1), characterised in that: The concrete pipe (1) inside includes outer concrete layer (2), steel pipe (3) and inner concrete layer (4) in turn from outside to inside, the concrete pipe (1) and steel pipe (3) between be provided with socket connection mechanism; The socket connection mechanism includes rubber bushing (5), the rubber bushing (5) is installed in concrete pipe (1) one end, the outer concrete layer (2) and inner concrete layer (4) one side surface are all provided with receiving groove (6), the receiving groove (6) inside is equipped with rubber block (7), the rubber block (7) bottom fixedly connected with first rubber block (8), the steel pipe (3) top surface is provided with fixed groove (9), the steel pipe (3) top is welded with fixed buckle (11), the fixed buckle (11), the rubber block (7) bottom surface is provided with sealing reinforcement groove (19), the fixed buckle (11) outside and sealing reinforcement groove (19) inner wall are all fixedly connected with multiple tooth blocks (10). The steel pipe (3) and rubber bushing (5) between be provided with reinforcing mechanism.

2. A concrete pipe and steel pipe rubber bushing bell and spigot jointing arrangement according to claim 1 characterised in that: The reinforcing mechanism includes screw groove (12), the screw groove (12) is set up in the one side surface of steel pipe (3), the one side surface of rubber bushing (5) is provided with threaded hole (13), the other side surface of rubber bushing (5) is provided with recess (16).

3. A concrete pipe and steel pipe rubber bushing bell and spigot jointing arrangement according to claim 2 characterised in that: The screw groove (12) and threaded hole (13) inside are all screw threadedly connected with fixed screw rod (14), one end of fixed screw rod (14) is fixedly connected with knob (15), the knob (15) is arranged in recess (16) inside.

4. The concrete pipe and steel pipe rubber bushing bell and spigot joint apparatus as described in claim 1, wherein: The number of rubber block (7) and first rubber block (8) is all set to multiple, the first rubber block (8) and fixed groove (9) between movable joint.

5. The rubber insert joint for concrete pipe and steel pipe according to claim 1, characterized in that: Multiple the tooth block (10) on fixed buckle (11) and multiple the tooth block (10) between sealing reinforcement groove (19) inner wall are intermeshed.

6. A rubber insert joint for connecting a concrete pipe to a steel pipe according to claim 1, characterized in that: The receiving groove (6) inner wall one side surface is provided with second rubber block (17), one side of rubber block (7) is fixedly connected with positioning groove (18).

7. A concrete pipe and steel pipe rubber bushing bell and spigot jointing arrangement according to claim 6 characterised in that: The second rubber block (17) and positioning groove (18) between movable joint.

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