Double-layer T-shaped clamp for connecting pipe
By designing an inner and outer jacket structure of a double-layer T-shaped clamp and fastener connection, the sealing and stability issues at the exhaust pipe connection were solved, achieving higher connection strength and sealing effect, and preventing leakage.
Patent Information
- Application Number
- CN202520820072.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-04-28
AI Technical Summary
Existing clamps have poor sealing and stability when connecting exhaust pipes, and are prone to leakage as the usage time increases, affecting the normal operation of the car's exhaust system.
A double-layer T-shaped clamp for connecting pipes is designed, including an inner sleeve and an outer sleeve. The inner sleeve is fitted onto the pipe connection, and the outer sleeve is fitted onto the outside of the inner sleeve. The second clamping edge is tightened by fasteners connecting the lugs of the outer sleeve. The inner sleeve is tightened under the action of the outer sleeve. The first and second clamping edges are staggered to achieve a seal. The T-shaped flattened part of the lugs forms an additional connection point to enhance stability.
It improves the sealing effect and structural strength of the exhaust pipe connection, ensuring the stability and durability of the connection and avoiding leakage problems.
Smart Images
Figure CN223881921U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of pipeline clamp, concretely relates to a double-layer T-shaped clamp for connecting pipe. BACKGROUND
[0002] The exhaust pipe is an important component of the automobile exhaust system, and the connection reliability between different pipes of the exhaust pipe directly affects the normal operation of the exhaust system. The traditional hot end pipe adopts metal flange connection, but due to the thermal expansion and cold contraction of the hot end pipe, gaps often occur at the junction between the pipes, leading to air leakage.
[0003] In order to solve the above problems, in recent years, clamps are gradually used to connect different pipes of the exhaust pipe. However, the conventional clamp can only play a role in connecting the pipes, and the sealing and stability are poor. With the increase of use time, the connection between different pipes of the exhaust pipe may leak, affecting the automobile exhaust system. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the problem that the clamp in the prior art can only play a role in connecting the pipes, and the sealing and stability are poor. With the increase of use time, the connection between different pipes of the exhaust pipe may leak, affecting the automobile exhaust system.
[0005] To solve the above problems, the utility model provides a double-layer T-shaped clamp for connecting pipe, which comprises an inner sleeve and an outer sleeve, the side wall of the inner sleeve is provided with a first clamping edge in the axial direction, the side wall of the outer sleeve is provided with a second clamping edge in the axial direction, the outer sleeve is sleeved on the outer side of the inner sleeve, and the first clamping edge and the second clamping edge are staggered, the outer sleeve is provided with a clamping lug extending outward in the radial direction at the positions corresponding to the two sides of the second clamping edge,
[0006] The clamping lug is a double-layer plate structure formed by folding, and the side of the clamping lug away from the second clamping edge is provided with a flattened part, so that the shape of the clamping lug in the axial direction is T-shaped, the clamping lug on the two sides of the second clamping edge is provided with oppositely arranged mounting holes, a fastener is connected in the mounting holes of the clamping lug on the two sides of the second clamping edge, the outer sleeve realizes the tightening of the second clamping edge through the fastener, and the inner sleeve realizes the tightening of the first clamping edge under the action of the outer sleeve.
[0007] Compared with the prior art, the scheme has the following advantages: the outer clamping sleeve and the inner clamping sleeve are designed, the inner clamping sleeve is sleeved to the pipe joint, and the outer clamping sleeve is sleeved to the outside of the inner clamping sleeve; during assembly, the outer clamping sleeve is connected to the clamping ears on both sides of the second clamping edge through fasteners, the second clamping edge is tightened, and then the inner clamping sleeve is tightened to the first clamping edge under the action of the outer clamping sleeve; since the first clamping edge and the second clamping edge are staggered, the inner clamping sleeve can realize the sealing effect of the pipe joint, and the outer clamping sleeve can provide strong guarantee for the connection strength of the pipe joint and the inner clamping sleeve; meanwhile, the clamping ears on the side away from the second clamping edge are provided with flattening portions, so that the shape of the clamping ears along the axial direction is T-shaped; when the second clamping edge is tightened and the clamping ears on both sides of the second clamping edge are close to each other, the flattening portions of the clamping ears on both sides of the second clamping edge abut against each other, that is, a second connection point other than the fasteners is formed, so that the second clamping edge of the outer clamping sleeve is more stable after being tightened, and the structural strength is better.
[0008] In an improved scheme, a reinforcing rib is arranged between the position of the clamping ear close to the flattening portion and the flattening portion, so that the flattening portion can bear better load and has better structural strength.
[0009] In an improved scheme, the clamping ear on each side of the second clamping edge is two, and the two clamping ears on the same side of the second clamping edge are distributed at both ends of the second clamping edge, and the two clamping ears at the same end of the second clamping edge correspond to one fastener, so that the second clamping edge is more uniformly and stably tightened.
[0010] In an improved scheme, the two ends of the inner clamping sleeve protrude from the two ends of the outer clamping sleeve, the two ends of the inner clamping sleeve are provided with flanges bent towards the outer clamping sleeve, the flanges are provided with positioning grooves, and the outer clamping sleeve is provided with positioning blocks embedded into the positioning grooves, so that the circumferential positioning of the inner clamping sleeve and the outer clamping sleeve is realized through the embedding action of the positioning grooves and the positioning blocks.
[0011] In an improved scheme, the flanges at the two ends of the inner clamping sleeve are in arc shape, so as to avoid damage to the pipeline or the outside.
[0012] In an improved scheme, the fastener includes a bolt and a nut, the threaded end of the bolt is inserted into the mounting hole of the clamping ear on one side of the second clamping edge, and the screw rod end of the bolt is connected with the nut after penetrating through the mounting hole of the clamping ear on the other side of the second clamping edge, so that the adjustment is simple and convenient.
[0013] In an improved scheme, the inner sleeve is provided with U-shaped pins corresponding to one side of the first clamping edge, the pins are two and located at the two ends of the first clamping edge respectively; the inner sleeve is provided with embedding grooves corresponding to the other side of the first clamping edge, the embedding grooves are two and located corresponding to the pins respectively, when the first clamping edge of the inner sleeve is tightened, the pins are inserted into the corresponding embedding grooves, the two ends of the first clamping edge correspond to the two ends of the pipe connection respectively, so that the axial sealing of the first clamping edge is realized through the insertion of the pins and the embedding grooves, and the sealing effect of the pipe connection is further improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a schematic diagram of a whole double-layer T-shaped clamp for connecting pipes;
[0015] Figure 2 It is a schematic diagram of a front view of a double-layer T-shaped clamp for connecting pipes;
[0016] Figure 3 It is a schematic diagram of a cross section along the A-A section line. Figure 2
[0017] Explanation of reference signs,
[0018] 1, inner sleeve; 11, first clamping edge; 12, flange; 121, positioning groove; 13, pin; 14, embedding groove; 2, outer sleeve; 21, second clamping edge; 22, positioning block; 3, clamping ear; 31, flattening part; 32, mounting hole; 33, reinforcing rib; 4, fastener; 41, bolt; 42, nut. DETAILED DESCRIPTION
[0019] It should be understood by those skilled in the art that the following embodiments are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments as needed in order to adapt to specific application occasions.
[0020] In the description of the following embodiments, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or detachably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0021] In the embodiments of the present application, unless otherwise explicitly specified and limited, a first feature is "on" or "under" a second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "over", "above" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0022] The present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0023] Please refer to Figures 1-3 The embodiment of the utility model provides a kind of double-layer T-shaped clamp of connecting pipe, including inner sleeve 1 and outer sleeve 2, the side perimeter wall of inner sleeve 1 is equipped with the first clamping edge 11 along axial direction, the side perimeter wall of outer sleeve 2 is equipped with the second clamping edge 21 along axial direction, outer sleeve 2 is sleeved in the outside of inner sleeve 1, and first clamping edge 11 and second clamping edge 21 are staggered, outer sleeve 2 is respectively equipped with the clamping ear 3 of radially extending outward corresponding to the position of the two sides of second clamping edge 21, clamping ear 3 is double-layer plate structure formed by folding, and the side of clamping ear 3 away from second clamping edge 21 is equipped with flattened portion 31 to make the shape of clamping ear 3 along axial direction T letter, the clamping ear 3 of the two sides of second clamping edge 21 is respectively equipped with the mounting hole 32 of opposite arrangement, a fastener 4 is connected in the mounting hole 32 of the clamping ear 3 of the two sides of second clamping edge 21, and outer sleeve 2 is realized by fastener 4 to the tightening of second clamping edge 21, and inner sleeve 1 is realized by outer sleeve 2 to the tightening of first clamping edge 11.
[0024] Compared with prior art, the above scheme is designed by outer sleeve 2 and inner sleeve 1, wherein inner sleeve 1 is used to sleeve to pipe connection, and outer sleeve 2 is sleeved in the outside of inner sleeve 1, when assembling, outer sleeve 2 is connected to the clamping ear 3 of the two sides of second clamping edge 21 by fastener 4, realizes the tightening of second clamping edge 21, and then inner sleeve 1 realizes the tightening of first clamping edge 11 under the action of outer sleeve 2, since first clamping edge 11 and second clamping edge 21 are staggered, therefore inner sleeve 1 can realize the sealing effect of pipe connection, and outer sleeve 2 can provide strong guarantee for the connection strength of pipe connection and inner sleeve 1, simultaneously, the above scheme is equipped with flattened portion 31 on the side of clamping ear 3 away from second clamping edge 21, so that the shape of clamping ear 3 along axial direction is T letter, so when second clamping edge 21 is tightened, the flattened portion 31 of the clamping ear 3 of the two sides of second clamping edge 21 abuts each other when the clamping ear 3 of the two sides of second clamping edge 21 is close to each other, that is, a second connection point is formed in addition to fastener 4, so that the second clamping edge 21 of outer sleeve 2 is more stable after tightening, and the structural strength is better.
[0025] As an improvement of the embodiment, the lug 3 near the flattening part 31 is provided with a reinforcing rib 33 between the flattening part 31, so that the flattening part 31 can bear better load and has better structural strength.
[0026] In the embodiment, each side of the second clamping edge 21 has two lugs 3, and the two lugs 3 on the same side of the second clamping edge 21 are spaced apart at the two ends of the second clamping edge 21, and the two lugs 3 at the same end of the second clamping edge 21 correspond to one fastener 4, so that the second clamping edge 21 has a more uniform and stable tightening effect.
[0027] As another improvement of the embodiment, the two ends of the inner sleeve 1 protrude from the two ends of the outer sleeve 2, and the two ends of the inner sleeve 1 are provided with flanges 12 bent towards the outer sleeve 2, the flanges 12 are provided with positioning grooves 121, and the outer sleeve 2 is provided with positioning blocks 22 embedded into the positioning grooves 121, so that the circumferential positioning of the inner sleeve 1 and the outer sleeve 2 is realized through the embedding effect of the positioning grooves 121 and the positioning blocks 22.
[0028] Further, the flanges 12 at the two ends of the inner sleeve 1 are arc-shaped, so as to avoid damage to the pipeline or the outside.
[0029] In combination with Figure 3 As shown in the figure, in the embodiment, the fastener 4 includes a bolt 41 and a nut 42, the threaded end of the bolt 41 is inserted into the mounting hole 32 of the lug 3 on one side of the second clamping edge 21, and the screw end of the bolt 41 is connected with the nut 42 after passing through the mounting hole 32 of the lug 3 on the other side of the second clamping edge 21, and the adjustment is simple and convenient. Of course, the fastener 4 can also adopt other forms in the prior art as long as it can realize the fastening of the two lugs 3, and the design is not limited.
[0030] As another improvement of the embodiment, the inner sleeve 1 is provided with U-shaped pins 13 corresponding to one side of the first clamping edge 11, and the pins 13 are two and located at the two ends of the first clamping edge 11; the inner sleeve 1 is provided with embedding grooves 14 corresponding to the other side of the first clamping edge 11, and the embedding grooves 14 are two and correspond to the pins 13 one by one; when the first clamping edge 11 of the inner sleeve 1 is tightened, the pins 13 are inserted into the corresponding embedding grooves 14, and the two ends of the first clamping edge 11 correspond to the two ends of the pipeline connection, so that the axial sealing of the first clamping edge 11 is realized through the embedding effect of the pins 13 and the embedding grooves 14, and the sealing effect of the pipeline connection is further improved.
[0031] It should be noted that in the description of the present application, the terms of direction or position relationship indicated by "inner", "outer" and the like are based on the direction or position relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or member must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application; all directional indications (such as up, down, left, right, front, back, inner, outer) are only used to explain the relative positional relationship, movement condition and the like between components in a certain specific posture, and if the specific posture changes, the directional indications will also change accordingly.
[0032] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "in this embodiment", "specific examples" or "some examples" and the like means that the specific features, mechanisms, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.
[0033] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A double-layer T-shaped clamp for connecting pipes, characterized in that, The utility model relates to a double-layered jacketed reactor, comprising an inner jacket (1) and an outer jacket (2), the side circumferential wall of the inner jacket (1) is provided with a first clamping edge (11) along the axial direction, the side circumferential wall of the outer jacket (2) is provided with a second clamping edge (21) along the axial direction, the outer jacket (2) is sleeved on the outer side of the inner jacket (1), and the first clamping edge (11) and the second clamping edge (21) are staggered, the outer jacket (2) is provided with a clamping lug (3) extending radially outward on both sides of the second clamping edge (21) respectively, The clamping lug (3) is a double-layered plate structure formed by folding, and a flattened portion (31) is arranged on the side of the clamping lug (3) away from the second clamping edge (21), so that the shape of the clamping lug (3) along the axial direction is T-shaped, the clamping lug (3) on both sides of the second clamping edge (21) is provided with a mounting hole (32) arranged oppositely, a fastener (4) is connected in the mounting hole (32) of the clamping lug (3) on both sides of the second clamping edge (21), the outer jacket (2) is tightened on the second clamping edge (21) through the fastener (4), and the inner jacket (1) is tightened on the first clamping edge (11) under the action of the outer jacket (2).
2. The double-layer T-shaped clamp for connecting pipes according to claim 1, characterized in that, A reinforcing rib (33) is arranged between the position of the clamping lug (3) close to the flattened portion (31) and the flattened portion (31).
3. The double-layer T-shaped clamp for connecting pipes according to claim 1 or 2, characterized in that, The clamping lug (3) on each side of the second clamping edge (21) is two, and the two clamping lugs (3) on the same side of the second clamping edge (21) are distributed at the two ends of the second clamping edge (21), and the two clamping lugs (3) at the same end of the second clamping edge (21) correspond to one fastener (4).
4. The double wall T-clevis according to claim 1, wherein, The two ends of the inner jacket (1) protrude from the two ends of the outer jacket (2), the two ends of the inner jacket (1) are provided with a turned edge (12) bent towards the outer jacket (2), the turned edge (12) is provided with a positioning groove (121), and the outer jacket (2) is provided with a positioning block (22) embedded in the positioning groove (121).
5. The double T-clip of claim 4, wherein, The turned edge (12) at the two ends of the inner jacket (1) is in the shape of an arc.
6. The connecting pipe double-layer T type clamp according to claim 1, characterized in that, The fastener (4) comprises a bolt (41) and a nut (42), the threaded end of the bolt (41) is inserted into the mounting hole (32) of the clamping lug (3) on one side of the second clamping edge (21), and the screw rod end of the bolt (41) is connected with the nut (42) after penetrating through the mounting hole (32) of the clamping lug (3) on the other side of the second clamping edge (21).
7. The connecting pipe double-layer T type clamp according to claim 1, characterized in that, The inner jacket (1) is provided with a U-shaped plug (13) corresponding to the position of one side of the first clamping edge (11), the plug (13) is two and is located at the two ends of the first clamping edge (11) respectively, the inner jacket (1) is provided with an embedding groove (14) corresponding to the other side of the first clamping edge (11), the embedding groove (14) is two and the positions correspond to the plugs (13) one by one, and when the first clamping edge (11) of the inner jacket (1) is tightened, the plug (13) is inserted into the corresponding embedding groove (14).