Flaring type welding-free connecting device for hydraulic steel pipes

Abstract

The utility model discloses a flaring type welding-free connecting device for hydraulic steel pipes, and belongs to the technical field of steel pipe machining. A groove is formed in the shell, a first through hole is formed in the bottom face of the groove, a check ring is installed in the first through hole, notches are formed in the two side walls of the groove, a first pin hole is formed in the top of the shell and communicated with the notches, square holes are formed in the two sides of the shell, and a second through hole is formed in the clamping block. And convex blocks are arranged on the two sides of the clamping block, second pin holes are formed in the convex blocks, the clamping block is installed in the groove, the limiting assembly comprises a spring, the spring is installed in the square hole, and a limiting rod is installed in the spring in an embedded mode. Through the arrangement of the cylindrical pin and the limiting assembly, the steel pipe connecting process is more convenient, and the problem that a connecting device is complex in installation is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe processing technical field, concretely is a hydraulic steel pipe flared type weldingless connecting device. BACKGROUND

[0002] The flared interface connection expands the pipe into a horn, permanent deformation of the pipe steel band occurs, then the pipe is contracted by adopting the fastening nut or the pressure land mode, the inner surface of the pipe and the sealing rubber ring on the lining pipe body form the inclined side sealing, the installation performance is reliable, the pull-out resistance performance is excellent, the anti -slip measure of pipe interface does not need to be considered, and the construction difficulty and additional cost are reduced. UTILITY MODEL CONTENTS

[0003] The utility model discloses a hydraulic steel pipe flared type weldingless connecting device, through set up cylinder pin and limiting component, make the steel pipe connection process more convenient, solved the installation complex problem of connecting device.

[0004] The utility model discloses a hydraulic steel pipe flared type weldingless connecting device, through set up cylinder pin and limiting component, make the steel pipe connection process more convenient, solved the installation complex problem of connecting device.

[0005] The utility model discloses a hydraulic steel pipe flared type weldingless connecting device, including shell, clamping block and limiting component, is set up with recess on the shell, is set up with first through -hole on the recess bottom, is installed with the baffle ring in the first through -hole, is set up with the notched on the recess two side walls, is set up with the first pinhole on the shell top, and the first pinhole communicates with the notched, and the both sides of shell are set up with square hole;

[0006] The utility model discloses a hydraulic steel pipe flared type weldingless connecting device, through set up cylinder pin and limiting component, make the steel pipe connection process more convenient, solved the installation complex problem of connecting device.

[0007] The utility model discloses a hydraulic steel pipe flared type weldingless connecting device, through set up cylinder pin and limiting component, make the steel pipe connection process more convenient, solved the installation complex problem of connecting device.

[0008] Further, the baffle ring includes a base, and a sealing ring is installed in the base.

[0009] Further, the first pinhole and the second pinhole are matched with a cylindrical pin.

[0010] Further, four threaded holes are formed on the bottom surface of the recess, four third through holes are formed on the clamping block, and the threaded holes are matched with bolts.

[0011] Further, the square hole and the pinhole are communicated, and one end of the limiting rod extends into the first pinhole.

[0012] The utility model has the following beneficial effects:

[0013] The utility model discloses a recess is set up on the shell, and the recess is same with the shape of the clamping block, and the alignment of the two steel pipes is completed by clamping the clamping block in the recess during installation, and the pin hole is set up on the shell and the clamping block, when the clamping block is clamped into the recess completely, the limiting rod is pulled, and the cylindrical pin falls down to fix the clamping block and the shell, after the cylindrical pin enters the pin hole completely, the limiting rod is inserted into the pin hole under the action of the spring, the limiting rod and the top of the cylindrical pin abut, and the fixing is completed, and the installation process is convenient.

[0014] Of course, it is not necessary for any product embodying the utility model to achieve all the advantages mentioned above. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is structural schematic diagram of connecting device;

[0016] Figure 2 It is top view of connecting device;

[0017] Figure 3 It is sectional structure schematic diagram of A-A place;

[0018] Figure 4 It is sectional structure schematic diagram of B-B place;

[0019] Figure 5 It is structural schematic diagram of shell;

[0020] Figure 6 It is structural schematic diagram of clamping block;

[0021] Figure 7 It is structural schematic diagram of retaining ring.

[0022] In the drawing: 1, shell;2, clamping block;3, limiting component;4, retaining ring;5, cylindrical pin;101, recess;102, first through hole;103, notch;104, first pin hole;105, square hole;106, screw hole;201, second through hole;202, lug;203, second pin hole;204, third through hole;301, spring;302, limiting rod;401, base;402, sealing ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of the present application.

[0025] Please refer to Figures 1-7 The utility model provides a technical scheme: a hydraulic steel pipe flaring type welding-free connecting device, including shell 1, shell 1 is seted up with recess 101, recess 101 bottom is seted up with first through -hole 102, first through -hole 102 is installed with baffle ring 4, recess 101 both sides wall is seted up with slot 103, shell 1 top is seted up with first pin hole 104, first pin hole 104 is linked with slot 103, shell 1 both sides are seted up with square hole 105, clamping block 2 is seted up with second through -hole 201, second through -hole 201 is installed with baffle ring 4, clamping block 2 both sides are provided with lug 202, lug 202 is seted up with second pin hole 203, clamping block 2 is installed in recess 101, first pin hole 104 and second pin hole 203 are matched with cylindrical pin 5 in, baffle ring 4 includes base 401, base 401 is installed with sealing ring 402, recess 101 bottom is seted up with four threaded holes 106, clamping block 2 is seted up with four third through -holes 204, threaded hole 106 is matched with bolt.

[0026] In the embodiment, the shape and size of the recess 101 are consistent with the clamping block 2, the clamping block 2 is clamped into the recess 101 during installation, the connection and alignment of the two steel pipes can be quickly completed, the installation of the fastener is facilitated, the first pin hole 104 and the second pin hole 203 are communicated when the clamping block 2 is completely installed into the recess 101, the cylindrical pin 5 can enter the two pin holes to complete the fixation of the clamping block 2 and the shell 1, the steel pipe penetrates through the baffle ring 4 and enters the connecting position through the through hole, and the sealing ring 402 mainly plays a sealing role.

[0027] The limiting assembly 3 includes a spring 301 installed in the square hole 105, and a limiting rod 302 embedded in the spring 301. The square hole 105 is communicated with the first pin hole 104, and the limiting rod 302 extends into the first pin hole 104 at one end.

[0028] In the embodiment, after the cylindrical pin 5 falls into the first pin hole 104 and the second pin hole 203, the limiting rod 302 will extend into the first pin hole 104 under the action of the spring 301, because the length of the cylindrical pin 5 is three fourths of the total length of the two pin holes, the back of the limiting rod 302 is in contact with the top end of the cylindrical pin 5, the limiting rod 302 fixes the cylindrical pin 5 in the pin hole, ensures that the cylindrical pin 5 will not slide out of the pin hole due to shaking and the like, and maintains the stability of the overall structure, after the fixing is completed, if there is a higher stability requirement, secondary fixing can be performed through the bolt matched in the threaded hole 106.

[0029] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A hydraulic steel pipe flared weldingless connection device, characterized by: Including the shell (1), the recess (101) is set up on the shell (1), the first through -hole (102) is set up on the recess (101) bottom surface, the baffle ring (4) is installed in the first through -hole (102), the slot (103) is set up on the recess (101) both sides wall, the first pinhole (104) is set up on the shell (1) top, the first pinhole (104) is communicated with the slot (103), the square hole (105) is set up on the shell (1) both sides, It also includes the clamping block (2), the second through -hole (201) is set up on the clamping block (2), the baffle ring (4) is installed in the second through -hole (201), the convex block (202) is set up on the clamping block (2) both sides, the second pinhole (203) is set up on the convex block (202), the clamping block (2) is installed in the recess (101), It also includes the limiting assembly (3), the limiting assembly (3) includes the spring (301), the spring (301) is installed in the square hole (105), the limiting rod (302) is embeddedly installed in the spring (301).

2. A hydraulic tube flaring type welding-free connecting device according to claim 1, characterized in that, The baffle ring (4) includes the base (401), the sealing ring (402) is installed in the base (401).

3. A hydraulic tube flaring type welding-free connecting device according to claim 1, characterized in that, The first pinhole (104) and the second pinhole (203) are matched with the cylindrical pin (5) in.

4. The hydraulic steel pipe flaring type welding-less connection apparatus according to claim 1, wherein The recess (101) bottom surface sets up four threaded holes (106), the clamping block (2) sets up four third through -holes (204), the threaded hole (106) is matched with the bolt in.

5. The hydraulic steel pipe flaring type welding-less connection apparatus according to claim 1, wherein The square hole (105) is communicated with the first pinhole (104), and one end of the limiting rod (302) extends into the first pinhole (104).

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