Clamp for single-face hot galvanizing pipe fitting

By designing a clamp suitable for single-sided hot-dip galvanized pipe fittings and adopting a combination structure of sealed joints and clamping blocks, the problem of easy aging or damage of the clamp under high temperature and high pressure was solved, thereby improving the galvanizing quality and the finished product qualification rate.

CN223906921UActive Publication Date: 2026-02-13BAZHOU JINAI METAL PROD CO LTD
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Patent Information

Application Number
CN202520562434.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-02-13
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Existing clamps for single-sided hot-dip galvanized pipe fittings are prone to causing ungalvanized areas to come into contact with molten zinc during fixing, resulting in localized missed galvanizing. Furthermore, they are prone to aging or damage under high temperature and pressure, affecting the finished product qualification rate.

Method used

A clamp structure including a fixed frame, a support plate, a sealing joint, and an adjusting screw was designed. By combining the sealing joint with the clamping block, the pipe fitting can be detachably sealed and flexibly adjusted to adapt to pipe fittings with different inner diameters and prevent zinc liquid from seeping into the unplated area.

Benefits of technology

It improves the finished product qualification rate of single-sided hot-dip galvanizing, has good sealing performance and is replaceable, adapts to different pipe fitting inner diameters, and reduces the risk of fixture damage under high temperature and high pressure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of hot-dip galvanized pipe fittings, in particular to a clamp for a single-sided hot-dip galvanized pipe fitting, which comprises a fixed frame strip, a supporting plate is arranged on the top face of the fixing frame strip, a first combination hole is formed in the supporting plate, a sealing connector is installed on the outer side of the supporting plate, a connecting straight plate and an adjusting lead screw are arranged on the front surface of the fixing frame strip, a supporting frame strip is installed at the front end of the connecting straight plate, and the adjusting lead screw penetrates through the supporting frame strip. After a tool is inserted into the connecting groove, the adjusting connector and the adjusting lead screw are driven to rotate, so that the fastening clamping block is driven to move, the tail end of a pipe fitting subjected to single-face hot galvanizing treatment can be conveniently clamped and sealed through the fastening clamping block and the sealing connector on the supporting plate subsequently, a plurality of pipe fittings can be installed according to needs, and operation is convenient. And meanwhile, the device is suitable for pipe fittings with different lengths and is flexibly adjusted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hot galvanizing pipe fitting technical field especially relates to a clamp for single -sided hot galvanizing pipe fitting. BACKGROUND

[0002] Hot galvanizing pipe fitting is through the steel pipe or steel pipe fitting is immersed in high temperature molten zinc liquid, makes its surface form a layer of zinc iron alloy layer, thereby significantly improves the corrosion resistance and service life technology, wherein single -sided hot galvanizing pipe fitting, only one side of pipe fitting is plated with zinc, in single -sided hot galvanizing process, clamp is the key auxiliary tool for ensuring the quality of galvanizing, for fixed pipe fitting.

[0003] The existing clamp for single -sided hot galvanizing pipe fitting, clamp is fixed pipe fitting, it is difficult to avoid the contact of non -galvanizing area and zinc liquid, and it is easy to cause local plating leakage, the sealing design of clamp is easy to age or break down under high temperature and high pressure, and zinc liquid can penetrate into non -galvanizing area, influence the qualified rate of finished product.

[0004] Therefore, in view of the above-mentioned clamp easy to cause local plating leakage and easy to age or break down under high temperature and high pressure, and zinc liquid can penetrate into non -galvanizing area problem, the utility model is fixed on the clamping block in clamp according to the structure of sealing joint, according to the groove of sealing joint setting, it is convenient to install and split, sealing joint can be quickly replaced when damage occurs under long -term use and high temperature environment, avoid affecting the sealing property, according to sealing joint and clamping block, sealing joint can be inserted into the end inside for single -sided hot galvanizing pipe fitting and sealed, fixed simultaneously, the replaceable operation of sealing joint can be flexibly adjusted according to the tolerance size of the inner diameter of single -sided hot galvanizing pipe fitting, convenient matching, avoid flowing into the inside of pipe fitting when hot galvanizing, reach single -sided hot galvanizing processing work, improve the qualified rate. UTILITY MODEL CONTENTS

[0005] In order to overcome the common clamp for single -sided hot galvanizing pipe fitting, clamp is fixed pipe fitting, it is difficult to avoid the contact of non -galvanizing area and zinc liquid, and it is easy to cause local plating leakage and sealing design under high temperature and high pressure.

[0006] The utility model discloses a technical scheme for a clamp for single-sided hot galvanizing pipe fitting, comprising a fixed frame strip; a support plate is arranged on the top surface of the fixed frame strip, and a first combined hole is formed in the support plate; a sealing joint is mounted on the outer side of the support plate; a connecting straight plate and an adjusting screw rod are arranged on the front surface of the fixed frame strip; a support frame strip is mounted on the front end of the connecting straight plate; the adjusting screw rod penetrates through the support frame strip; an adjusting joint is mounted on the front end of the adjusting screw rod; a connecting groove is formed in the front surface center of the adjusting joint; the adjusting screw rod penetrates through a fastening clamp block, and the fastening clamp block is located between the connecting straight plates; a second combined hole is formed in the fastening clamp block; and a sealing joint is mounted on the outer side of the fastening clamp block.

[0007] As a preferred embodiment, the support plate and the fixed frame strip are connected by welding, and the first combined holes are equidistantly distributed on the support plate, and the axis of the first combined holes is aligned with the axis of the second combined holes.

[0008] As a preferred embodiment, the sealing joint comprises a combined groove and a combined column; the combined groove is formed in the center of the end surface of one end of the sealing joint, and the combined column is mounted in the center of the end surface of the other end of the sealing joint; and the combined column is connected to the second combined hole and the first combined hole.

[0009] As a preferred embodiment, the combined column is connected to the second combined hole and the first combined hole by screwing, and the combined column and the sealing joint are integrally arranged; the diameter of the combined column is smaller than the diameter of the sealing joint.

[0010] As a preferred embodiment, the connecting straight plate is connected to the fixed frame strip and the support frame strip by welding, and the connecting straight plates are equidistantly distributed between the fixed frame strip and the support frame strip; the distance between the connecting straight plates is greater than the diameter of the adjusting screw rod.

[0011] As a preferred embodiment, the adjusting screw rod is connected to the connecting straight plate and the support frame strip by rotating, and the adjusting screw rod and the adjusting joint are integrally arranged; the diameter of the adjusting joint is greater than the diameter of the adjusting screw rod.

[0012] As a preferred embodiment, the fastening clamp block is connected to the adjusting screw rod by screwing, and the bottom end outer surface of the fastening clamp block is connected to the surface of the connecting straight plate by adhering.

[0013] The utility model discloses the beneficial effect:

[0014] 1. After the tool is inserted into the connecting groove, the adjusting joint and the adjusting screw rod are driven to rotate, thereby driving the fastening clamp block to shift, facilitating subsequent clamping and sealing of the end of the pipe fitting subjected to single-sided hot galvanizing treatment through the fastening clamp block and the sealing joint on the support plate; multiple pipe fittings can be installed as required, and the utility model is suitable for pipe fittings of different lengths and can be flexibly adjusted.

[0015] 2、The sealing joint is provided with a combined groove and a combined column, the combined column is installed with the support plate and the fastening clamp block, the overall sealing joint can be replaced, the sealing performance is not affected after damage, and meanwhile, the replaceable operation can match the inner hole tolerance of the pipe fitting, and the sealing performance is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A combined three-dimensional structure schematic view of the utility model is shown;

[0017] Figure 2 A fastening clamp block adjusting three-dimensional structure schematic view of the utility model is shown;

[0018] Figure 3 A support frame strip connecting place three-dimensional structure schematic view of the utility model is shown;

[0019] Figure 4 A support plate and sealing joint separation structure schematic view of the utility model is shown;

[0020] Figure 5 A fastening clamp block and sealing joint combined three-dimensional structure schematic view of the utility model is shown;

[0021] Figure 6 A fastening clamp block and sealing joint separation three-dimensional structure schematic view of the utility model is shown.

[0022] The figure mark explanation: 1, fixed frame strip; 2, support plate; 3, first combined hole; 4, sealing joint; 41, combined groove; 42, combined column; 5, link straight plate; 6, support frame strip; 7, adjusting screw rod; 8, adjusting joint; 9, link groove; 10, fastening clamp block; 11, second combined hole. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, 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 ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figures 1-6This utility model provides a technical solution: a clamp for single-sided hot-dip galvanized pipe fittings, including a fixing frame 1; a support plate 2 is provided on the top surface of the fixing frame 1, and a first combination hole 3 is provided on the support plate 2; a sealing joint 4 is installed on the outer side of the support plate 2; a connecting straight plate 5 and an adjusting screw 7 are provided on the front surface of the fixing frame 1, and a support frame 6 is installed at the front end of the connecting straight plate 5; the adjusting screw 7 passes through the support frame 6; an adjusting joint 8 is installed at the front end of the adjusting screw 7; a connecting groove 9 is provided at the center of the front surface of the adjusting joint 8; the adjusting screw 7 passes through a fastening clamp 10; the fastening clamp 10 is located between the connecting straight plates 5; a second combination hole 11 is provided on the fastening clamp 10; and a sealing joint 4 is installed on the outer side of the fastening clamp 10.

[0025] The support plate 2 is connected to the fixed frame 1 by welding. The support plate 2 has first combination holes 3 evenly distributed on it, and the axis of the first combination holes 3 is aligned with the axis of the second combination holes 11. The alignment of the axis of the first combination holes 3 and the second combination holes 11 facilitates the precise clamping and docking of straight pipe fittings, maintains the flatness after clamping, and allows multiple pipe fittings to be installed and fixed.

[0026] The sealing joint 4 includes a combined groove 41 and a combined post 42. The combined groove 41 is provided at the center of one end face of the sealing joint 4, and the combined post 42 is installed at the center of the other end face of the sealing joint 4. The combined post 42 is connected to the second combined hole 11 and the first combined hole 3. The connection between the combined post 42 and the second combined hole 11 and the first combined hole 3 is a threaded connection. The combined post 42 and the sealing joint 4 are an integrated structure. The diameter of the combined post 42 is smaller than the diameter of the sealing joint 4. The sealing joint 4 can be assembled and fixed through the combined post 42. At the same time, according to the combined groove 41 provided on the sealing joint 4, the sealing joint 4 can be tightly fixed to the fastening clamp 10 or the support plate 2 by wrench operation to avoid gaps and improve sealing performance.

[0027] The connecting straight plate 5 is connected to the fixed frame strip 1 and the supporting frame strip 6 by welding. The connecting straight plates 5 are evenly distributed between the fixed frame strip 1 and the supporting frame strip 6, and the distance between the connecting straight plates 5 is greater than the diameter of the adjusting screw 7. The fixed frame strip 1 and the supporting frame strip 6 can be combined and fixed by the connecting straight plates 5 to form an overall frame structure.

[0028] The adjusting screw 7 is connected to the connecting straight plate 5 and the support frame 6 by a rotating connection. The adjusting screw 7 and the adjusting connector 8 are integrated into one structure. The diameter of the adjusting connector 8 is larger than the diameter of the adjusting screw 7. The adjusting connector 8 can drive the adjusting screw 7 to rotate. The connecting groove 9 on the adjusting connector 8 facilitates subsequent operation with a wrench, avoiding manual operation and reducing the clamping force.

[0029] The connecting mode of the fastening block 10 and the adjusting screw rod 7 is threaded connection, and the connecting mode of the bottom end outer surface of the fastening block 10 and the surface of the connecting straight plate 5 is fit connection, in the rotating process of the adjusting screw rod 7, the fastening block 10 can be driven to move, the fastening block 10 keeps stable in the moving process according to the fit connection of the connecting straight plate 5, and subsequent pipe fitting clamping and fixing work can be carried out on the fastening block 10, and meanwhile, the single hot galvanizing work of the pipe fitting is not affected.

[0030] Working principle: according to Figure 1 and Figures 4-6 , first, the staff can assemble and fix the fixed frame strip 1, the connecting straight plate 5 and the supporting frame strip 6 with the lifting device outside, so that the direction of the device is downward, then according to the inner hole tolerance of the pipe fitting needing single hot galvanizing, the corresponding sealing joint 4 is matched, the sealing joint 4 is screwed and fixed with the first combined hole 3 and the second combined hole 11 through the combined column 42, the sealing joint 4 is installed on the supporting plate 2 and the fastening block 10 for fixation, and meanwhile, the sealing property and the assembly firmness of the fixed connection part can be kept by inserting the hexagonal wrench into the combined recess 41 of the sealing joint 4 for reinforcement operation after fixation;

[0031] According to Figures 1-3 , then the pipe fitting needing single hot galvanizing is abutted and sealed with the sealing joint 4 on the supporting plate 2, and then the other end of the pipe fitting needing single hot galvanizing is aligned with the sealing joint 4 on the fastening block 10, the adjusting joint 8 is rotated manually, the adjusting joint 8 drives the adjusting screw rod 7 to rotate on the fixed frame strip 1 and the supporting frame strip 6, the adjusting screw rod 7 drives the fastening block 10 to slide and shift stably through the connecting straight plate 5, the fastening block 10 drives the sealing joint 4 to abut and seal the other end of the pipe fitting, then the hexagonal wrench is inserted into the connecting groove 9 to continue rotating the adjusting joint 8 and the adjusting screw rod 7, so as to improve the clamping firmness, the two ends of the pipe fitting needing single hot galvanizing are clamped and sealed, and then the outer surface of the pipe fitting can be subjected to single hot galvanizing treatment, the sealing of the two ends of the pipe fitting avoids affecting the inner wall of the pipe fitting.

[0032] The above is the working process of the whole device, and the contents not described in detail in the specification all belong to the prior art known to the person skilled in the art.

[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A fixture for single-sided hot-dip galvanizing a pipe fitting, comprising a fixed frame bar (1); characterized in that: The top surface of the fixed frame strip (1) is provided with a support plate (2), and a first combined hole (3) is formed in the support plate (2); a sealing joint (4) is mounted on the outer side of the support plate (2); the front surface of the fixed frame strip (1) is provided with a connecting straight plate (5) and an adjusting screw rod (7), and the front end of the connecting straight plate (5) is mounted with a support frame strip (6); the adjusting screw rod (7) penetrates through the support frame strip (6); an adjusting joint (8) is mounted at the front end of the adjusting screw rod (7), and a connecting groove (9) is formed in the front surface center of the adjusting joint (8); the adjusting screw rod (7) penetrates through a fastening clamping block (10), and the fastening clamping block (10) is located between the connecting straight plates (5); a second combined hole (11) is formed in the fastening clamping block (10), and a sealing joint (4) is mounted on the outer side of the fastening clamping block (10).

2. A fixture for single-sided hot dip galvanizing of pipe as defined in claim 1, characterized in that: The support plate (2) and the fixed frame strip (1) are connected by welding, and the first combined holes (3) are distributed at equal intervals on the support plate (2), and the axis lines of the first combined holes (3) and the second combined holes (11) are aligned with each other.

3. A fixture for single-sided hot dip galvanizing of pipe as defined in claim 1, wherein: The sealing joint (4) comprises a combined groove (41) and a combined column (42), and the combined groove (41) is formed in the center of one end face of the sealing joint (4), and the combined column (42) is mounted in the center of the other end face of the sealing joint (4); the combined column (42) is connected with the second combined holes (11) and the first combined holes (3).

4. A fixture for single-sided hot dip galvanizing of pipe according to claim 3, characterized in that: The combined column (42) is connected with the second combined holes (11) and the first combined holes (3) by screwing, and the combined column (42) and the sealing joint (4) are provided in an integrated structure, and the diameter of the combined column (42) is smaller than that of the sealing joint (4).

5. A fixture for single-sided hot dip galvanizing of pipe according to claim 1, characterized in that: The connecting straight plates (5) are connected with the fixed frame strip (1) and the support frame strip (6) by welding, and the connecting straight plates (5) are distributed at equal intervals between the fixed frame strip (1) and the support frame strip (6), and the interval between the connecting straight plates (5) is greater than the diameter of the adjusting screw rod (7).

6. A fixture for single-sided hot dip galvanizing of pipe according to claim 1, characterized in that: The adjusting screw rod (7) is connected with the connecting straight plates (5) and the support frame strip (6) by rotating, and the adjusting screw rod (7) and the adjusting joint (8) are provided in an integrated structure, and the diameter of the adjusting joint (8) is greater than that of the adjusting screw rod (7).

7. A fixture for single-sided hot dip galvanizing of pipe according to claim 1, characterized in that: The fastening clamping block (10) is connected with the adjusting screw rod (7) by screwing, and the bottom end outer surface of the fastening clamping block (10) is connected with the surface of the connecting straight plate (5) by adhering.