Telescopic welding straight-through pipe joint

Abstract

The utility model discloses a telescopic welding straight pipe joint which comprises a joint body, the surface of the joint body is connected with a fixing sleeve in a sliding mode, the top and the bottom of the front face and the top and the bottom of the back face of the joint body are connected with box bodies in a bolting mode, and moving pieces are arranged in inner cavities of the box bodies. And the connecting piece comprises a box body, the box body is connected to the top and the bottom of the fixing sleeve in a bolted mode, threaded rods are rotationally connected to the opposite sides of the box body through bearings, first threaded sleeves are connected to the opposite sides of the threaded rods in a threaded mode, and the opposite sides of the first threaded sleeves penetrate into an inner cavity of the fixing sleeve. The joint has the advantages that through the structural design of the lead screw and the second threaded sleeve, a user rotates the lead screw by operating the through groove, the lead screw drives the second threaded sleeve to move, the second threaded sleeve drives the fixing sleeve to slide on the joint body, and therefore the length of the joint can be conveniently adjusted according to the actual situation, and the applicability of the joint is improved.

Description

Technical Field

[0001] The utility model relates to the field of straight-through pipe joints, in particular to a telescopic welded straight-through pipe joint. Background Art

[0002] Pipe fittings are hydraulic terms that refer to parts that connect pipes in hydraulic systems or install pipes on hydraulic components. They are a general term for connectors that can be installed and removed in fluid pathways, mainly including: welding type, ferrule type, crimping type and flaring type.

[0003] Existing welded straight-through pipe joints are usually of an integrated structure. The overall length of the straight-through pipe joint is not convenient for telescopic adjustment. The structure is relatively simple, and it is difficult to adjust the length of the straight-through pipe joint according to actual usage conditions, resulting in poor applicability. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0005] In view of the above problems and / or the problems existing in the prior art, the present utility model is proposed.

[0006] Therefore, the technical problem to be solved by the present invention is that the length of the existing welded straight pipe joint is not convenient for telescopic adjustment.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a retractable welded straight pipe joint, comprising:

[0008] A connector body, wherein a fixed sleeve is slidably connected to the surface of the connector body, a box body is bolted to the top and bottom of the front and back sides of the connector body, and a moving part is provided in the inner cavity of the box body;

[0009] The connecting piece includes a box body, the box body is bolted to the top and bottom of the fixed sleeve, the opposite side of the box body is rotatably connected to a threaded rod through a bearing, the opposite side of the threaded rod is threadedly connected to a first threaded sleeve, and the opposite side of the first threaded sleeve passes through the inner cavity of the fixed sleeve.

[0010] As a preferred solution of the retractable welded straight-through pipe joint described in the utility model, the movable part includes a screw rod, which is rotatably connected to the inner side of the inner cavity of the box body through a bearing, and the surface of the screw rod is threadedly connected to a second threaded sleeve, and the outer side of the second threaded sleeve passes through the box body and is bolted to the inner side of the fixed sleeve.

[0011] As a preferred solution of the retractable welded straight-through pipe joint described in the utility model, a first sliding groove is opened on both sides of the inner cavity of the box body, the inner cavity of the first sliding groove is slidably connected to a first slider, and the opposite sides of the first slider are bolted to the two sides of the first threaded sleeve.

[0012] As a preferred solution of the retractable welded straight-through pipe joint described in the utility model, a second sliding groove is provided at the top and bottom of the inner cavity of the box body, the inner cavity of the second sliding groove is slidably connected to a second slider, and the opposite side of the second slider is bolted to the top and bottom of the second threaded sleeve.

[0013] As a preferred solution of the telescopic welded straight-through pipe joint of the utility model, an operating slot is provided on the top of the box body.

[0014] As a preferred solution of the retractable welded straight-through pipe joint described in the utility model, wherein: the surface of the joint body is sequentially provided with third sliding grooves from top to bottom, the inner cavity of the third sliding groove is slidably connected to a third slider, and the opposite side of the third slider is bolted to the top and bottom of the inner cavity of the fixed sleeve.

[0015] As a preferred solution of the telescopic welded straight-through pipe joint of the utility model, the surface of the joint body is fixedly connected with sealing gaskets in sequence from front to back, and the surface of the sealing gasket is in contact with the inner wall of the fixing sleeve.

[0016] As a preferred solution of the telescopic welded straight-through pipe joint of the utility model, a sealing ring is bonded to the outer side of the box body, and the surface of the second threaded sleeve is in contact with the inner ring of the sealing ring.

[0017] As a preferred solution of the telescopic welded straight-through pipe joint of the utility model, the opposite side of the threaded rod passes through the box body and is bolted with a rotating handle.

[0018] As a preferred solution of the telescopic welded straight-through pipe joint of the utility model, the surface of the rotating handle is provided with anti-slip grooves.

[0019] The beneficial effects of the utility model are as follows: through the structural design of the screw rod and the second threaded sleeve, the user rotates the screw rod by operating the through slot, the screw rod drives the second threaded sleeve to move, and the second threaded sleeve drives the fixed sleeve to slide on the joint body, thereby facilitating the adjustment of the length of the joint according to actual conditions and improving the applicability of the joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0021] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a three-dimensional diagram of the connector body structure of the utility model;

[0023] Figure 3 This is a cross-sectional view of the box structure of the utility model;

[0024] Figure 4 This is a cross-sectional view of the box structure of the utility model. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Next, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, cross-sectional views of device structures may be partially enlarged and not to scale when describing embodiments of the present invention. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, three-dimensional dimensions, including length, width, and depth, should be included.

[0028] Furthermore, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0029] Example 1

[0030] Reference Figures 1 to 4 , this embodiment provides a telescopic welded straight-through pipe joint, comprising,

[0031] The connector body 100 has a fixed sleeve 200 slidably connected to its surface. The top and bottom of the front and back sides of the connector body 100 are bolted to a box 300 . The inner cavity of the box 300 is provided with a moving part 301 .

[0032] The connecting member 400 includes a box body 401, which is bolted to the top and bottom of the fixed sleeve 200. The opposite side of the box body 401 is rotatably connected to a threaded rod 402 through a bearing. The opposite side of the threaded rod 402 is threadedly connected to a first threaded sleeve 403, and the opposite side of the first threaded sleeve 403 passes through the inner cavity of the fixed sleeve 200.

[0033] Furthermore, the moving part 301 includes a screw rod 301a, which is rotatably connected to the inner side of the inner cavity of the box body 300 through a bearing. The surface of the screw rod 301a is threadedly connected to a second threaded sleeve 301b, and the outer side of the second threaded sleeve 301b passes through the box body 300 and is bolted to the inner side of the fixed sleeve 200.

[0034] Furthermore, first sliding grooves 401a are provided on both sides of the inner cavity of the box body 401. The inner cavity of the first sliding groove 401a is slidably connected to the first slider 401b. The opposite sides of the first slider 401b are bolted to the two sides of the first threaded sleeve 403.

[0035] Furthermore, a second slide groove 302 is provided at the top and bottom of the inner cavity of the box body 300, and a second slider 303 is slidably connected to the inner cavity of the second slide groove 302, and the opposite sides of the second slider 303 are bolted to the top and bottom of the second threaded sleeve 301b.

[0036] Furthermore, an operation slot is provided on the top of the box body 300 .

[0037] Furthermore, the surface of the joint body 100 is sequentially provided with third sliding grooves 101 from top to bottom, the inner cavity of the third sliding groove 101 is slidably connected to the third slider 102, and the opposite side of the third slider 102 is bolted to the top and bottom of the inner cavity of the fixing sleeve 200.

[0038] Furthermore, sealing gaskets 103 are fixedly connected to the surface of the joint body 100 in sequence from the front to the back, and the surface of the sealing gasket 103 contacts the inner wall of the fixing sleeve 200 .

[0039] Furthermore, a sealing ring is bonded to the outer side of the box body 300, and the surface of the second threaded sleeve 301b contacts the inner ring of the sealing ring.

[0040] Furthermore, the opposite side of the threaded rod 402 passes through the box body 401 and is bolted with a handle 402a.

[0041] Furthermore, the surface of the handle 402a is provided with anti-slip grooves.

[0042] It should be noted that the connecting piece 400 facilitates the clamping and pressing of the fixing sleeve 200 and the pipe to facilitate connection with the pipe. The first slider 401b limits the first threaded sleeve 403 to assist the movement of the first threaded sleeve 403. The second slider 303 limits the second threaded sleeve 301b to assist the movement of the second threaded sleeve 301b. The operating groove facilitates the user to rotate the screw rod 301a. The third slider 102 limits the fixing sleeve 200 to assist the movement of the fixing sleeve 200. The sealing gasket 103 improves the sealing between the fixing sleeve 200 and the joint body 100. The sealing ring improves the sealing of the box body 300. The turning handle 402a facilitates the user to rotate the threaded rod 402, thereby improving the anti-slip performance of the turning handle 402a.

[0043] During use, when connecting to a pipe, the user inserts the pipe into the fixing sleeve 200, and then the user rotates the handle 402a, the handle 402a drives the threaded rod 402 to rotate, and the threaded rod 402 drives the first threaded sleeve 403 to move toward each other to clamp and fix the pipe. When the length of the joint needs to be adjusted, the user rotates the screw rod 301a, the screw rod 301a drives the second threaded sleeve 301b to move, and the second threaded sleeve 301b drives the fixing sleeve 200 to move, thereby adjusting the overall length of the joint.

[0044] In summary, through the structural design of the screw rod 301a and the second threaded sleeve 301b, the user rotates the screw rod 301a by operating the through slot, the screw rod 301a drives the second threaded sleeve 301b to move, and the second threaded sleeve 301b drives the fixed sleeve 200 to slide on the joint body 100, thereby facilitating the adjustment of the length of the joint according to actual conditions and improving the applicability of the joint.

[0045] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, directional changes, etc.) without departing substantially from the novel teachings and advantages of the subject matter described in this application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete elements may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0046] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0047] It will be appreciated that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will, for those of ordinary skill having the benefit of this disclosure, be a routine undertaking of design, fabrication, and production without undue experimentation.

[0048] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A telescopic welded straight pipe joint, characterized in that: include, A connector body (100), wherein a fixed sleeve (200) is slidably connected to the surface of the connector body (100), a box body (300) is bolted to the top and bottom of the front and back sides of the connector body (100), and a moving part (301) is provided in the inner cavity of the box body (300); A connecting member (400) includes a box body (401), the box body (401) is bolted to the top and bottom of the fixing sleeve (200), the opposite side of the box body (401) is rotatably connected to a threaded rod (402) through a bearing, the opposite side of the threaded rod (402) is threadedly connected to a first threaded sleeve (403), and the opposite side of the first threaded sleeve (403) penetrates into the inner cavity of the fixing sleeve (200).

2. The telescopic welded straight pipe joint according to claim 1, characterized in that: The movable member (301) comprises a screw rod (301a), which is rotatably connected to the inner side of the inner cavity of the housing (300) via a bearing. The surface of the screw rod (301a) is threadedly connected to a second threaded sleeve (301b), and the outer side of the second threaded sleeve (301b) passes through the housing (300) and is bolted to the inner side of the fixed sleeve (200).

3. The telescopic welded straight pipe joint according to claim 2, characterized in that: A first sliding groove (401a) is provided on both sides of the inner cavity of the box body (401), and the inner cavity of the first sliding groove (401a) is slidably connected to a first slider (401b), and the opposite sides of the first slider (401b) are bolted to the two sides of the first threaded sleeve (403).

4. The telescopic welded straight pipe joint according to claim 3, characterized in that: The top and bottom of the inner cavity of the box body (300) are both provided with a second sliding groove (302), the inner cavity of the second sliding groove (302) is slidably connected to a second slider (303), and the opposite sides of the second slider (303) are bolted to the top and bottom of the second threaded sleeve (301b).

5. The telescopic welded straight pipe joint according to claim 4, characterized in that: An operating slot is provided on the top of the box body (300).

6. The telescopic welded straight pipe joint according to claim 5, characterized in that: The surface of the joint body (100) is sequentially provided with third sliding grooves (101) from top to bottom, the inner cavity of the third sliding groove (101) is slidably connected to a third slider (102), and the opposite side of the third slider (102) is bolted to the top and bottom of the inner cavity of the fixing sleeve (200).

7. The telescopic welded straight pipe joint according to claim 6, characterized in that: The surface of the joint body (100) is fixedly connected with sealing gaskets (103) in sequence from front to back, and the surface of the sealing gaskets (103) is in contact with the inner wall of the fixing sleeve (200).

8. The telescopic welded straight pipe joint according to claim 7, characterized in that: A sealing ring is bonded to the outer side of the box body (300), and the surface of the second threaded sleeve (301b) is in contact with the inner ring of the sealing ring.

9. The telescopic welded straight pipe joint according to claim 8, characterized in that: The opposite side of the threaded rod (402) passes through the box body (401) and is bolted with a rotating handle (402a).

10. The telescopic welded straight pipe joint according to claim 9, characterized in that: The surface of the rotating handle (402a) is provided with anti-slip grooves.

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