Cold pressing forging rigid connecting piece

Abstract

The utility model discloses a cold pressing and forging rigid connecting piece, relates to the technical field of rigid connecting pieces, and provides the following scheme aiming at the problems that a rigid connecting piece body is fixed only through a plurality of groups of fixing columns, when the rigid connecting piece body is extruded, the fixing columns are easy to break, and the practicability is low in the prior art. Comprising connecting cylinders, rigid connecting pieces are arranged in the connecting cylinders, each rigid connecting piece comprises a threaded block, a fixing rod fixedly arranged on the outer wall of one side of the threaded block and a connecting rod fixedly arranged on the outer wall of one end of the fixing rod, and fixing assemblies are arranged at the two ends of each connecting cylinder; the fixing assembly comprises a limiting ring, a connecting ring connected to the outer wall of one side of the connecting cylinder through a bolt and a fixing ring connected to the outer wall of one side of the connecting ring through a bolt. According to the utility model, the length of the rigid connecting piece can be conveniently extended, the connecting strength can be improved, the rigid connecting piece is buffered when the rigid connecting piece is forcibly displaced, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rigid connectors, in particular to a cold-pressed forged rigid connector. Background Art

[0002] Rigid connectors can fix multiple parts together. Some rigid connectors are made by cold forging, which is a forging process performed below the metal recrystallization temperature. Cold forging can increase the rigidity and strength of the connectors.

[0003] After searching, a Chinese patent (application number is "202321199250.3") discloses "a cold-forged rigid connector", and the above-mentioned rigid connector includes a support rod and a rigid connector body; two rigid connector bodies, respectively engaging the left and right ends of the inside of the support rod; and also includes: a rotating plate, which is rotatably connected to the left and right ends of the support rod, and the left and right ends of the inside of the support rod are slid with moving rods at equal angles, and a fixed column is installed on the side of the moving rod close to the support rod, and the fixed column limits the rigid connector body; an anti-rust layer and a paint layer are sprayed on the outside of the rigid connector body to increase the service life of the rigid connector body. However, during the use of the above-mentioned rigid connector, the rigid connector body is only fixed by multiple sets of fixed columns. When the rigid connector body is squeezed, the fixed columns are easily broken, and the practicality is low. Utility Model Content

[0004] The utility model provides a cold-forged rigid connector, which solves the problem that the rigid connector body is only fixed by multiple groups of fixing columns in the reference document, and the fixing columns are easily broken when the rigid connector body is squeezed, thus resulting in low practicality.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A cold forged rigid connector comprises a connecting tube, wherein a rigid connector is arranged inside the connecting tube, wherein the rigid connector comprises a threaded block, a fixing rod fixedly mounted on an outer wall on one side of the threaded block, and a connecting rod fixedly mounted on an outer wall on one end of the fixing rod, wherein fixing components are arranged at both ends of the connecting tube, wherein the fixing components comprise a limiting ring, a connecting ring connected to an outer wall on one side of the connecting tube by bolts, and a fixing ring connected to an outer wall on one side of the connecting ring by bolts, wherein two buffer mechanisms are arranged inside the connecting tube, wherein the buffer mechanisms comprise a hydraulic buffer and a connecting plate connected to an outer wall on one end of the hydraulic buffer by bolts.

[0007] Preferably, the connecting tube is welded together by two connecting pipes, and an internal thread is provided on the inner wall of the connecting tube, and installation cavities are provided on the outer walls at both ends of the connecting tube.

[0008] Preferably, the threaded block is screwed onto the inner wall of the connecting tube, and the outer wall of the fixing rod is provided with tooth grooves distributed at equal distances, and the threaded block, the fixing rod and the connecting rod are integrally cut and formed.

[0009] Preferably, the limiting ring is sleeved in the installation cavity, and the connecting ring is fixed on the outer wall of one side of the limiting ring, the limiting ring and the connecting ring are respectively slidably sleeved on the outer wall of the fixing rod, and the inner wall of the fixing ring is fixed with equidistantly distributed blocks, and several blocks are respectively engaged in several tooth grooves.

[0010] Through the above scheme, the threaded block of the rigid connector is limited by the limiting ring and the connecting ring to prevent the rigid connector from being separated from the connecting tube when the rigid connector is extended. The block on the fixing ring engages in the tooth groove on the fixing rod, so that the fixing rod cannot rotate, thereby fixing the threaded block and the fixing rod. After removing the fixing ring, the fixing rod and the threaded block can rotate freely.

[0011] Preferably, a mounting plate is provided in the connecting tube, and the mounting plate is respectively fixed on the inner wall of one end of the two connecting tubes.

[0012] Preferably, two mounting rings are fixedly provided in the connecting cylinder, and the hydraulic buffer passes through and is fixedly provided in the mounting rings, and one end of the hydraulic buffer is connected to the outer wall of one side of the mounting plate by bolts.

[0013] Through the above solution, when the threads on the connecting tube and the threaded block are damaged and cause the rigid connecting part to move, the hydraulic buffer and the connecting plate buffer the rigid connecting part to prevent the impact force from further causing damage to other parts.

[0014] The beneficial effects of the utility model are:

[0015] The threaded block of the rigid connector is limited by a limiting ring and a connecting ring to prevent the rigid connector from detaching from the connecting tube when the rigid connector is extended. The block on the fixing ring engages in the tooth groove on the fixing rod, so that the fixing rod cannot rotate, thereby fixing the threaded block and the fixing rod. After the fixing ring is removed, the fixing rod and the threaded block can rotate freely. When the threads on the connecting tube and the threaded block are damaged and cause the rigid connector to move, the hydraulic buffer and the connecting plate buffer the rigid connector to prevent the impact force from further causing damage to other parts. The length of the rigid connector can be conveniently extended, and the connection strength can be improved. The rigid connector can be buffered when forced displacement occurs, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main three-dimensional structure of a cold-forged rigid connector proposed by the utility model.

[0017] Figure 2This is a schematic diagram of the main cross-sectional structure of a cold-forged rigid connector proposed by the utility model.

[0018] Figure 3 This is a schematic diagram of the main cross-sectional structure of a connecting tube of a cold-forged rigid connecting piece proposed by the utility model.

[0019] Figure 4 The utility model is a schematic diagram of a rigid connector stereoscopic structure of a cold forged rigid connector.

[0020] Figure 5 An exploded diagram of a fixing assembly of a cold-forged rigid connector proposed by the utility model.

[0021] Figure 6 The utility model is a schematic diagram of the front cross-sectional structure of a buffer mechanism of a cold-forged rigid connector.

[0022] In the figure: 1. connecting cylinder; 11. mounting cavity; 2. rigid connecting piece; 201. threaded block; 202. fixing rod; 203. connecting rod; 3. fixing assembly; 301. limiting ring; 302. connecting ring; 303. fixing ring; 4. mounting plate; 5. buffer mechanism; 501. mounting ring; 502. hydraulic buffer; 503. connecting plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1, reference Figure 1-5A cold-pressed forged rigid connector comprises a connector tube 1 with internal threads on the inner wall, the connector tube 1 is welded by two connecting pipes, the outer walls of both ends of the connector tube 1 are provided with mounting cavities 11, the connector tube 1 is provided with rigid connectors 2, the rigid connectors 2 comprise a threaded block 201 screwed on the inner wall of the connector tube 1, a fixed rod 202 fixed on the outer wall of one side of the threaded block 201, and a connecting rod 203 fixed on the outer wall of one end of the fixed rod 202, the outer wall of the fixed rod 202 is provided with tooth grooves distributed at equal distances, the threaded block 201, the fixed rod 202 and the connecting rod 203 are integrally cut and formed by a cold-pressed forged round steel, and are provided with a fixed rod 202 on the outer wall of one end of the fixed rod 202. Then, a gear hobbing machine is used to open a tooth groove on the outer wall of the fixing rod 202, and a fixing component 3 is provided at both ends of the connecting tube 1. The fixing component 3 includes a limit ring 301, a connecting ring 302 connected to the outer wall of one side of the connecting tube 1 by bolts, and a fixing ring 303 connected to the outer wall of one side of the connecting ring 302 by bolts. The limit ring 301 is sleeved in the installation cavity 11, and the connecting ring 302 is fixed on the outer wall of one side of the limit ring 301. The limit ring 301 and the connecting ring 302 are respectively slidably sleeved on the outer wall of the fixing rod 202, and the inner wall of the fixing ring 303 is fixed with equidistantly distributed blocks, and several blocks are respectively engaged in several tooth grooves.

[0025] Example 2, reference Figure 6 A cold forged rigid connector also includes a mounting plate 4, which is fixed on the inner walls of one end of the two connecting pipes respectively. Two buffer mechanisms 5 are arranged in the connecting tube 1. The buffer mechanism 5 includes a hydraulic buffer 502 and a connecting plate 503 connected to the outer wall of one end of the hydraulic buffer 502 by bolts. Two mounting rings 501 are fixed in the connecting tube 1. The hydraulic buffer 502 passes through and is fixed in the mounting ring 501. One end of the hydraulic buffer 502 is connected to the outer wall of one side of the mounting plate 4 by bolts.

[0026] Working principle: The threaded block 201 of the rigid connector 2 is limited by the limiting ring 301 and the connecting ring 302 to prevent the rigid connector 2 from being separated from the connecting tube 1 when the rigid connector 2 is extended. The block on the fixing ring 303 engages in the tooth groove on the fixing rod 202, so that the fixing rod 202 cannot rotate, thereby fixing the threaded block 201 and the fixing rod 202. After removing the fixing ring 303, the fixing rod 202 and the threaded block 201 can rotate freely. When the threads on the connecting tube 1 and the threaded block 201 are damaged and cause the rigid connector 2 to move, the hydraulic buffer 502 and the connecting plate 503 buffer the rigid connector 2 to prevent the impact force from further causing damage to other components.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cold forged rigid connector, comprising a connecting tube (1), characterized in that: A rigid connector (2) is provided in each of the connecting tubes (1), and the rigid connector (2) comprises a threaded block (201), a fixing rod (202) fixedly mounted on an outer wall of one side of the threaded block (201), and a connecting rod (203) fixedly mounted on an outer wall of one end of the fixing rod (202); Both ends of the connecting tube (1) are provided with fixing assemblies (3), and the fixing assemblies (3) include a limiting ring (301), a connecting ring (302) connected to the outer wall of one side of the connecting tube (1) by bolts, and a fixing ring (303) connected to the outer wall of one side of the connecting ring (302) by bolts; Two buffer mechanisms (5) are arranged in the connecting cylinder (1), and the buffer mechanism (5) comprises a hydraulic buffer (502) and a connecting plate (503) connected to the outer wall of one end of the hydraulic buffer (502) by bolts.

2. A cold forged rigid connector according to claim 1, characterized in that: The connecting tube (1) is composed of two connecting pipes welded together, and an internal thread is provided on the inner wall of the connecting tube (1). The outer walls at both ends of the connecting tube (1) are provided with mounting cavities (11).

3. A cold forged rigid connector according to claim 1, characterized in that: The threaded block (201) is threadedly connected to the inner wall of the connecting tube (1), and the outer wall of the fixing rod (202) is provided with tooth grooves distributed at equal distances. The threaded block (201), the fixing rod (202) and the connecting rod (203) are integrally cut and formed.

4. A cold forged rigid connector according to claim 2, characterized in that: The limiting ring (301) is sleeved in the installation cavity (11), and the connecting ring (302) is fixed on the outer wall of one side of the limiting ring (301). The limiting ring (301) and the connecting ring (302) are respectively slidably sleeved on the outer wall of the fixing rod (202). The inner wall of the fixing ring (303) is fixed with equidistantly distributed clamping blocks, and the plurality of clamping blocks are respectively engaged in the plurality of tooth grooves.

5. A cold forged rigid connector according to claim 2, characterized in that: The connecting tube (1) is provided with a mounting plate (4), and the mounting plate (4) is respectively fixed on the inner wall of one end of the two connecting tubes.

6. A cold forged rigid connector according to claim 5, characterized in that: Two mounting rings (501) are fixedly arranged in the connecting tube (1), and a hydraulic buffer (502) passes through and is fixedly arranged in the mounting ring (501). One end of the hydraulic buffer (502) is connected to an outer wall of one side of the mounting plate (4) by means of bolts.

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