Wire pipe joint

Abstract

The utility model provides a wire pipe joint, and belongs to the technical field of wire pipe joints. Comprising an upper ejecting piece, a shell is arranged on the outer side of the upper ejecting piece, a clamping ring is arranged at one end of the shell, a clamping groove is clamped to the inner side of the clamping ring, a clamping groove blade ring is arranged on the outer side of the clamping groove, a second threaded structure is arranged between the upper ejecting piece and the shell, an inner pressing piece is fixed to one side of the upper ejecting piece, and a pressurizing clamping groove is formed between the upper ejecting piece and the shell. During use, the upper jacking piece serves as an internal supporting core and provides basic support for the whole structure, the shell is arranged on the outer side of the upper jacking piece in a sleeving mode, the internal structure is protected, the clamping ring is borne, the clamping ring is tightly clamped with the inner side of the clamping groove, the clamping groove blade ring is accurately positioned, a wire pipe is inserted into the clamping groove blade ring, and the wire pipe is tightly clamped by the clamping groove blade ring through cooperation of all the components; the wire pipe is firmly connected to a product, and the connection stability and reliability are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wire tube joint technical field, especially a wire tube joint. BACKGROUND

[0002] The wire tube joint is used for connecting the pipeline and the accessory in the chromatographic product, plays the role of connection, fixation and sealing. It ensures the stable transmission of fluid or gas in the chromatographic system between the pipelines, prevents leakage and maintains the efficient operation of the system. By accurately connecting different components, the wire tube joint can withstand the pressure and temperature changes generated during the chromatographic analysis process, ensure the error-free transmission of the sample and avoid interference or pollution. It is widely used in laboratory chromatographic equipment, especially in precise analytical instruments such as liquid chromatography and gas chromatography, to ensure the accuracy and stability of the experimental results.

[0003] However, when the existing wire tube joint is screwed into the part, the front blade ring is easy to be tightly inserted into the inside of the part. This not only leads to difficulty in subsequent removal, possible damage to the part, and affects the service life of the part, but also delays the construction progress and increases the time cost due to the inability to remove it. If you force to remove it, it may also cause damage to the wire tube joint itself, resulting in material waste and economic loss.

[0004] Therefore, the present application provides a wire tube joint to meet the needs. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and provides a wire tube joint.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a wire tube joint, comprising:

[0007] The outer side of the upper top piece is provided with an outer shell, one end of the outer shell is provided with a clamping ring, the inner side of the clamping ring is clamped with a clamping groove, and the outer side of the clamping groove is provided with a clamping groove.

[0008] Further, the second threaded structure is arranged between the upper top piece and the outer shell, the inner pressure piece is fixed on one side of the upper top piece, and the pressurizing clamping groove is arranged between the upper top piece and the outer shell.

[0009] The beneficial effects of the above-mentioned further scheme are that the upper top piece and the outer shell form a basic framework, the second threaded structure is located between them, the connection is more stable, the relative sliding of the upper top piece and the outer shell is prevented, the inner pressure piece fixed on one side of the upper top piece can be further pressed on the wire tube through the extrusion effect during installation, and the pressurizing clamping groove is matched, so that the wire tube is pressed more tightly, the stability and reliability of the wire tube connection are improved.

[0010] Further, the clamping assembly comprises a fixed slot groove formed on the clamping slot ring, the fixed slot groove is fixed with a connecting ring, the connecting ring is uniformly provided with a damage prevention pad, and the clamping slot ring is uniformly provided with a damage prevention slot groove.

[0011] The beneficial effects of the above further scheme are that when the clamping assembly works, the fixed slot groove is formed on the clamping slot ring to provide a fixed position for the connecting ring, the connecting ring is stably installed on the fixed slot groove, the damage prevention pad uniformly arranged on the connecting ring can avoid scratching the line pipe directly by the clamping slot ring when the line pipe contacts the line pipe, and the damage prevention slot groove further cooperates with the damage prevention pad to buffer and protect, thereby improving the installation safety and stability of the line pipe.

[0012] Further, the damage prevention pad is provided with a connecting clamping groove, and the connecting clamping groove is internally provided with a fixed spring piece.

[0013] The beneficial effects of the above further scheme are that when the line pipe is installed, the connecting clamping groove on the damage prevention pad accommodates the fixed spring piece, the fixed spring piece buffers the line pipe by means of elasticity to reduce the scratching of the line pipe and the clamping slot ring, and the line pipe is protected.

[0014] Further, one side of the clamping groove is uniformly provided with a connecting clamping block.

[0015] The beneficial effects of the above further scheme are that when the line pipe is installed, the connecting clamping block on one side of the clamping groove cooperates with the corresponding component to enhance the connection tightness and stabilize the structure of the line pipe joint.

[0016] Further, the shell is provided with a first threaded structure on the side close to the clamping slot ring.

[0017] The beneficial effects of the above further scheme are that when the line pipe joint is installed, the shell provided with the first threaded structure makes the connection more stable and facilitates stable operation.

[0018] Compared with the prior art, the utility model has the advantages and positive effects that:

[0019] 1, when using, the upper top piece serves as an internal support core, provides basic support for the whole structure, the shell is sleeved on the outer side of the upper top piece, protects the internal structure and bears the clamping ring, the clamping ring is tightly clamped with the inner side of the clamping groove, the line pipe is inserted into the clamping slot ring, and the clamping slot ring tightly clamps the line pipe through the cooperation of various components, so that the line pipe is firmly connected to the product, and the connection stability and reliability are guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view of the utility model line pipe joint;

[0021] Figure 2 It is a sectional view of the utility model line pipe joint;

[0022] Figure 3 Figure 2 is a side view of the utility model of a wire tube joint;

[0023] Figure 4 Figure 4 is a structure diagram of the clamping assembly in the utility model of a wire tube joint.

[0024] Reference signs

[0025] 1, upper top piece; 2, outer shell; 3, inner pressure piece; 4, clamping slot ring;

[0026] 5, clamping assembly; 51, fixed slot; 52, connecting ring; 53, anti-damage slot; 54, anti-damage pad; 55, connecting clamping slot; 56, fixed spring piece; 57, connecting clamping block;

[0027] 6, first threaded structure; 7, pressurizing clamping slot; 8, second threaded structure; 9, clamping groove; 10, clamping ring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with 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 other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] As shown in Figure 1 - Figure 3 The utility model provides a technical scheme: a wire tube joint, comprising: upper top piece 1, the outer side of upper top piece 1 is provided with outer shell 2, one end of outer shell 2 is provided with clamping ring 10, the inner side of clamping ring 10 is clamped with clamping groove 9, the outer side of clamping groove 9 is provided with clamping slot ring 4, when using, upper top piece 1 is as internal support core, provides basic support for the whole structure, outer shell 2 is sleeved on the outer side of upper top piece 1, both protects internal structure and bears clamping ring 10, clamping ring 10 is tightly clamped with the inner side of clamping groove 9, accurately positions clamping slot ring 4, inserts wire tube into clamping slot ring 4, through the cooperation of each component, makes clamping slot ring 4 tightly clamp wire tube, realizes that wire tube is firmly connected in product, guarantees the stability and reliability of connection.

[0030] Further, as shown in Figure 1 - Figure 3As shown: the second threaded structure 8 is arranged between the upper top piece 1 and the shell 2, the inner pressure piece 3 is fixed on one side of the upper top piece 1, the pressurizing clamping groove 7 is arranged between the upper top piece 1 and the shell 2, the upper top piece 1 and the shell 2 form a basic framework, the second threaded structure 8 is located between the two, the connection is more stable, preventing the upper top piece 1 from sliding relative to the shell 2, the inner pressure piece 3 fixed on one side of the upper top piece 1 can further press the wire tube through extrusion during installation, cooperating with the pressurizing clamping groove 7, so as to more firmly press the wire tube, improving the stability and reliability of the wire tube connection.

[0031] Further, as shown in the drawings, Figure 1 Figure 4 As shown: in this scheme, the clamping assembly 5 includes a fixed slot 51 opened on the clamping blade ring 4, the fixed slot 51 is fixed with a connecting ring 52, the connecting ring 52 is uniformly provided with a damage prevention pad 54, and the clamping blade ring 4 is uniformly provided with a damage prevention slot 53. When the clamping assembly 5 works, the fixed slot 51 is opened on the clamping blade ring 4 to provide a fixed position for the connecting ring 52, and the connecting ring 52 is stably installed on the fixed slot 51. When the wire tube is contacted, the uniformly arranged damage prevention pad 54 of the connecting ring 52 can avoid direct scratching of the wire tube by the clamping blade ring 4, and the damage prevention slot 53 further cooperates with the damage prevention pad 54 to buffer and protect, improving the safety and stability of the wire tube installation.

[0032] As shown in the drawings, Figure 1 Figure 4 As shown: the upper top piece 1 is an internal support core, the shell 2 is sleeved outside the upper top piece 1, and the clamping ring 10 is carried. During installation, the clamping ring 10 is clamped with the inner side of the clamping groove 9, the clamping blade ring 4 is positioned, and the wire tube is tightly clamped after being inserted into the clamping blade ring 4, realizing the firm connection of the wire tube and the product. The upper top piece 1 and the shell 2 form a basic framework, the second threaded structure 8 is arranged between the two, preventing unstable connection, the inner pressure piece 3 is fixed on one side of the upper top piece 1, and cooperates with the pressurizing clamping groove 7 to further press the wire tube during installation, improving the connection stability. In the clamping assembly 5, the fixed slot 51 is arranged on the clamping blade ring 4 to fix the connecting ring 52, the damage prevention pad 54 on the connecting ring 52 avoids scratching the wire tube by the clamping blade ring 4, the damage prevention slot 53 cooperates with the damage prevention pad 54 to buffer and protect, and the connecting clamping groove 55 on the damage prevention pad 54 accommodates the fixed spring piece 56. The fixed spring piece 56 buffers the wire tube insertion and reduces scratching. The connecting clamping block 57 on one side of the clamping groove 9 cooperates with the corresponding part during installation to enhance the connection tightness, stabilize the joint structure, and make the connection more stable during installation of the wire tube joint. The shell 2 provided with the first threaded structure 6 is connected more stably, which is convenient for stable operation.

[0033] ​​The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A splicing of a wire tube, characterized by, Include: The outer side of the upper top piece (1) is provided with an outer shell (2), one end of the outer shell (2) is provided with a clamping ring (10), the inner side of the clamping ring (10) is clamped with a clamping groove (9), and the outer side of the clamping groove (9) is provided with a clamping groove (4).

2. A conduit fitting according to claim 1, wherein, The second threaded structure (8) is arranged between the upper top piece (1) and the outer shell (2), one side of the upper top piece (1) is fixed with an inner pressure piece (3), and the upper top piece (1) and the outer shell (2) are provided with a pressurizing clamping groove (7).

3. A conduit fitting according to claim 1, wherein, The clamping groove ring (4) is provided with a clamping assembly (5).

4. A conduit fitting according to claim 3, wherein, The clamping assembly (5) comprises a fixed slot (51) formed in the clamping groove ring (4), a connecting ring (52) fixed on the fixed slot (51), and a damage prevention pad (54) uniformly arranged on the connecting ring (52), and a damage prevention slot (53) is uniformly formed on the clamping groove ring (4).

5. A conduit fitting according to claim 4, wherein, The damage prevention pad (54) is provided with a connecting clamping groove (55), and the connecting clamping groove (55) is provided with a fixed spring (56) inside.

6. A conduit fitting according to claim 1, wherein, The clamping groove (9) is uniformly provided with a connecting clamping block (57) on one side.

7. A conduit fitting according to claim 1, wherein, The outer shell (2) is provided with a first threaded structure (6) on one side close to the clamping groove ring (4).

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