CN215279336U - Anti-deformation telescopic elbow core rod - Google Patents
Anti-deformation telescopic elbow core rod Download PDFInfo
- Publication number
- CN215279336U CN215279336U CN202121568977.5U CN202121568977U CN215279336U CN 215279336 U CN215279336 U CN 215279336U CN 202121568977 U CN202121568977 U CN 202121568977U CN 215279336 U CN215279336 U CN 215279336U
- Authority
- CN
- China
- Prior art keywords
- core rod
- joint
- movable
- outer core
- inner core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a scalable return bend plug of anti deformation, include: the joint core rod comprises a core rod pull rod, an inner core rod, an outer core rod, a curved surface groove, a core rod stop block and a joint core rod, wherein the inner core rod is arranged at one end of the core rod pull rod, the outer core rod is arranged on one side of the inner core rod, the curved surface groove is arranged on one side, close to the inner core rod, of the outer core rod, and the curved surface groove is matched with the inner core rod; a core rod stop block is arranged at one end of the outer core rod and matched with the inner core rod, and a joint core rod is arranged at the other end of the outer core rod; the device also comprises a fixed seat; adopt two piece formula structures on the one hand, make the plug successively pass through tubular product and merge the laminating tubular product inner wall again, make it can pass through the narrow and small position of tubular product smoothly, for tubular product provides the holding power, guarantee going on smoothly of processing, processingquality is high, the rejection rate is low, on the other hand has adopted the joint plug, has reduced the friction of plug with the pipe wall, withdraws from the convenience, avoids wearing and tearing the pipe wall, improves product quality.
Description
Technical Field
The utility model belongs to tubular product processing frock field, in particular to scalable return bend plug of anti deformation.
Background
When bending pipes and the like, the core rods are required to be placed in the pipes, the inside of the pipes is supported and protected, deformation and wrinkles of the pipes during bending can be effectively prevented, and resilience of the pipes is reduced. However, the existing core rod only can play a role in a straight pipe, and the conical pipe or the calabash-shaped pipe cannot be attached to the pipe after entering the pipe due to the floating of the pipe diameter size, and cannot provide supporting force, so that the processing yield of the existing special-shaped pipe is not high. As a country with the largest production amount of the moulding pipelines, the problem represents a large amount of cost waste and quality problems, and therefore, how to obtain a core rod capable of providing supporting force for the special-shaped pipe fitting is always pursued by research and development personnel.
Many problems still exist at present plug, for example, present plug mostly can't play the effect to heterotypic pipe fittings such as toper pipe fitting, and application range is little, and the finished product quality is poor, and simultaneously, present plug mostly appears with the dead problem of tubular product card easily, and in order to laminate tubular product, the plug need laminate tubular product, and one side pipe wall presses to the plug after accomplishing the return bend action, and the plug receives tubular product pressure phenomenon such as friction, card death to appear easily, harms tubular product easily, and production efficiency is low. Therefore, the present application provides innovations and improvements in the mandrel for a pipe bend with respect to the above problems.
The existing core rod for the elbow mainly has the following problems:
1. most of the existing core rods cannot play a role in special-shaped pipe fittings such as conical pipe fittings and the like, the application range is small, and the quality of processed finished products is poor.
2. The dead problem of card appears with tubular product in present plug mostly easily, and in order to laminate tubular product, the plug need laminate tubular product, and one side pipe wall presses to the plug after accomplishing the return bend action, and the plug receives tubular product pressure to appear the friction easily, blocks phenomenon such as dead, harms tubular product easily, and production efficiency is low.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome not enough above, the utility model aims at providing a scalable return bend plug of anti deformation adopts two formula structures on the one hand, makes the plug can successively merge laminating tubular product inner wall through tubular product, makes it can pass through the narrow and small position of tubular product smoothly, provides the holding power for tubular product, guarantees going on smoothly of processing, and processingquality is high, and the rejection rate is low, and on the other hand has adopted the joint plug, has reduced the friction of plug with the pipe wall, withdraws from the convenience, avoids wearing and tearing the pipe wall, improves product quality.
The technical scheme is as follows: in order to achieve the above object, the utility model provides an anti scalable return bend plug of deformation, include: the joint core rod comprises a core rod pull rod, an inner core rod, an outer core rod, a curved surface groove, a core rod stop block and a joint core rod, wherein the inner core rod is arranged at one end of the core rod pull rod, the outer core rod is arranged on one side of the inner core rod, the curved surface groove is arranged on one side, close to the inner core rod, of the outer core rod, and the curved surface groove is matched with the inner core rod; and one end of the outer core rod is provided with a core rod stop block, the core rod stop block is matched with the inner core rod, and the other end of the outer core rod is provided with a joint core rod.
The utility model discloses in the setting of return bend plug adopts two formula structures, makes the plug can successively merge laminating tubular product inner wall through tubular product, makes it can pass through the narrow and small position of tubular product smoothly, for tubular product provides the holding power, guarantees going on smoothly of processing, and processingquality is high, and the rejection rate is low.
The utility model discloses in the plug pull rod keep away from the one end connection power supply of interior plug.
The curved surface groove in the utility model comprises a sliding section and a transition arc, wherein the sliding section is parallel to the axis of the outer mandrel, one end of the sliding section is provided with the transition arc, and the transition arc is in smooth transition fit with the sliding section; the outer surface of one side of the inner core rod, which is close to the outer core rod, is matched with the curved surface groove.
The utility model discloses in the setting of curved surface recess is the inner mandrel and steps down on the one hand, makes things convenient for the plug to pass through tubular product, and on the other hand practical level and smooth curved surface propelling movement inner plug, plug size transition is level and smooth, has effectively wiped the deviation of pipe wall size, and plug and pipe wall laminating in making things convenient for, the controllability is good.
The joint core rod in the utility model comprises a first movable joint, a second movable joint, a terminal joint and a hinge pin, wherein the first movable joint is arranged at one end of the outer core rod, the end of the first movable joint far away from the outer core rod is provided with the second movable joint, and the second movable joint is connected with the first movable joint through the hinge pin; the number of the first movable joints is more than that of the second movable joints, the first movable joints and the second movable joints are arranged at intervals, the number of the first movable joints is more than that of the second movable joints, and the first movable joints are buckled on the outer sides of the second movable joints; and a tail end joint is arranged at one end of the first movable joint, which is far away from the outer core rod.
The utility model discloses in the setting of joint plug has adopted the joint plug, and relative movement between plug and the tubular product when having reduced the return bend has reduced frictional force, and the joint plug only contacts with one side tubular product inner wall simultaneously, directly separates with tubular product inner wall when withdrawing from, has reduced the friction of plug with the pipe wall, withdraws from the convenience, avoids wearing and tearing the pipe wall, improves product quality.
The utility model discloses in first freely movable joint top be the camber line, second freely movable joint top is the camber line, second freely movable joint top surface and first freely movable joint top surface smooth transition.
In the utility model, one side of the outer core rod is provided with a fixed seat, the fixed seat comprises a fixed base, a spring fixed seat, a spring, a sliding fixed seat and a slide block, one end of the fixed base is fixedly provided with the spring fixed seat, the spring is arranged on the spring fixed seat, one end of the spring, which is far away from the spring fixed seat, is provided with the sliding fixed seat, and the sliding fixed seat is in sliding contact with the fixed base; the sliding fixing seat is provided with a notch, a sliding block is arranged in the notch, the sliding block is fixed on the outer core rod, and the sliding block is in sliding contact with the notch.
The utility model discloses in the setting of fixing base, on the one hand play limiting displacement to the plug, make things convenient for placing and work of plug, need not last handheld, on the other hand provides thrust for outer plug, makes it have the trend of laminating with the inner core stick all the time, has both guaranteed the size cooperation of plug and pipe wall, guarantees again that outer plug and inner core stick laminate all the time, makes things convenient for withdrawing from of plug.
The utility model discloses in the fixing base that slides on be provided with the baffle, the baffle set up in the notch both ends, baffle and slider cooperation.
The utility model discloses in interior plug cross sectional dimension and outer plug cross sectional dimension and with tubular product internal diameter size the same.
The utility model discloses in the interior core rod cross-sectional dimension is not less than the half of tubular product internal diameter size.
The utility model discloses in operating method include: placing the outer core rod in the pipe, driving the inner core rod, and enabling the inner core rod to move along the curved-surface groove and attach to the pipe; the joint core rods are synchronously bent and provide supporting force; after bending is completed, the inner core rod is withdrawn, the outer core rod is close to the center of the pipe under the action of the spring, the joint core rod loses the pressure of the pipe, and the inner core rod contacts the stop block to drive the outer core rod to be wholly removed.
Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:
1. the utility model discloses in a scalable return bend plug of anti deformation, adopt two formula structures, make the plug can successively merge laminating tubular product inner wall through tubular product, make it can pass through the narrow and small position of tubular product smoothly, for tubular product provides the holding power, guarantee going on smoothly of processing, processingquality is high, the rejection rate is low.
2. The utility model discloses in a scalable return bend plug of anti deformation, adopted the joint plug, relative movement between plug and the tubular product when having reduced the return bend has reduced the friction of plug and pipe wall, the joint plug only with one side tubular product inner wall contact simultaneously, directly separate with the tubular product inner wall when withdrawing from, eliminated frictional force, withdraw from the convenience, avoid wearing and tearing the pipe wall, improve product quality.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic structural view of the curved groove of the present invention;
fig. 4 is a schematic structural view of the joint core rod of the present invention;
FIG. 5 is a schematic structural view of the fixing base of the present invention;
FIG. 6 is a schematic side view of the fixing base of the present invention;
in the figure: the core rod comprises a core rod pull rod-1, an inner core rod-2, an outer core rod-3, a curved surface groove-31, a sliding section-311, a transition arc-312, a core rod stop block-4, a joint core rod-5, a first movable joint-51, a second movable joint-52, a tail end joint-53, a hinge pin-54, a fixed seat-6, a fixed base-61, a spring fixed block-62, a spring-63, a sliding fixed seat-64, a sliding block-65 and a baffle-66.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
1-6, an anti-deformation telescoping elbow mandrel, comprising: the joint core rod comprises a core rod pull rod 1, an inner core rod 2, an outer core rod 3, a curved surface groove 31, a core rod stop block 4 and a joint core rod 5, wherein the inner core rod 2 is arranged at one end of the core rod pull rod 1, the outer core rod 3 is arranged on one side of the inner core rod 2, the curved surface groove 31 is arranged on one side, close to the inner core rod 2, of the outer core rod 3, and the curved surface groove 31 is matched with the inner core rod 2; and one end of the outer core rod 3 is provided with a core rod stop block 4, the core rod stop block 4 is matched with the inner core rod 2, and the other end of the outer core rod 3 is provided with a joint core rod 5.
One end of the mandrel pull rod 1 far away from the inner mandrel 2 in the embodiment is connected with a power source.
The curved groove 31 in this embodiment includes a slip section 311 and a transition arc 312, the slip section 311 is parallel to the axis of the outer core rod 3, one end of the slip section 311 is provided with the transition arc 312, and the transition arc 312 is in smooth transition fit with the slip section 311; the outer surface of the inner core rod 2 close to the outer core rod 3 is matched with the curved groove 31.
The joint core rod 5 in this embodiment includes a first movable joint 51, a second movable joint 52, a terminal joint 53 and a hinge pin 54, the first movable joint 51 is disposed at one end of the outer core rod 3, the second movable joint 52 is disposed at one end of the first movable joint 51 away from the outer core rod 3, and the second movable joint 52 is connected with the first movable joint 51 through the hinge pin 54; the number of the first movable joints 51 is multiple, the number of the second movable joints 52 is multiple, the number of the first movable joints 51 is larger than that of the second movable joints 52, the first movable joints 51 are arranged at intervals with the second movable joints 52, and the first movable joints 51 are buckled on the outer sides of the second movable joints 52; the end joint 53 is arranged at one end of the first movable joint 51 far away from the outer core rod 3.
In this embodiment, the top of the first movable joint 51 is arc-shaped, the top of the second movable joint 52 is arc-shaped, and the top surface of the second movable joint 52 and the top surface of the first movable joint 51 are in smooth transition.
A fixed seat 6 is arranged on one side of the outer core rod 3 in the embodiment, the fixed seat 6 comprises a fixed base 61, a spring fixed seat 62, a spring 63, a sliding fixed seat 64 and a sliding block 65, the spring fixed seat 62 is fixedly arranged at one end of the fixed base 61, the spring 63 is arranged on the spring fixed seat 62, the sliding fixed seat 64 is arranged at one end, away from the spring fixed seat 62, of the spring 63, and the sliding fixed seat 64 is in sliding contact with the fixed base 61; the sliding fixing seat 64 is provided with a notch, a sliding block 65 is arranged in the notch, the sliding block 65 is fixed on the outer core rod 3, and the sliding block 65 is in sliding contact with the notch.
In this embodiment, the sliding fixing seat 64 is provided with a baffle 66, the baffle 66 is arranged at two ends of the notch, and the baffle 66 is matched with the sliding block 65.
Example 2
A deformation resistant telescoping elbow mandrel, as shown in fig. 1 and 2, comprising: the joint core rod comprises a core rod pull rod 1, an inner core rod 2, an outer core rod 3, a curved surface groove 31, a core rod stop block 4 and a joint core rod 5, wherein the inner core rod 2 is arranged at one end of the core rod pull rod 1, the outer core rod 3 is arranged on one side of the inner core rod 2, the curved surface groove 31 is arranged on one side, close to the inner core rod 2, of the outer core rod 3, and the curved surface groove 31 is matched with the inner core rod 2; and one end of the outer core rod 3 is provided with a core rod stop block 4, the core rod stop block 4 is matched with the inner core rod 2, and the other end of the outer core rod 3 is provided with a joint core rod 5.
One end of the mandrel pull rod 1 far away from the inner mandrel 2 in the embodiment is connected with a power source.
Example 3
A deformation resistant telescoping elbow mandrel, as shown in fig. 1 and 3, comprising: the joint core rod comprises a core rod pull rod 1, an inner core rod 2, an outer core rod 3, a curved surface groove 31, a core rod stop block 4 and a joint core rod 5, wherein the inner core rod 2 is arranged at one end of the core rod pull rod 1, the outer core rod 3 is arranged on one side of the inner core rod 2, the curved surface groove 31 is arranged on one side, close to the inner core rod 2, of the outer core rod 3, and the curved surface groove 31 is matched with the inner core rod 2; and one end of the outer core rod 3 is provided with a core rod stop block 4, the core rod stop block 4 is matched with the inner core rod 2, and the other end of the outer core rod 3 is provided with a joint core rod 5.
The curved groove 31 in this embodiment includes a slip section 311 and a transition arc 312, the slip section 311 is parallel to the axis of the outer core rod 3, one end of the slip section 311 is provided with the transition arc 312, and the transition arc 312 is in smooth transition fit with the slip section 311; the outer surface of the inner core rod 2 close to the outer core rod 3 is matched with the curved groove 31.
Example 4
A deformation resistant telescoping elbow mandrel, as shown in fig. 1 and 4, comprising: the joint core rod comprises a core rod pull rod 1, an inner core rod 2, an outer core rod 3, a curved surface groove 31, a core rod stop block 4 and a joint core rod 5, wherein the inner core rod 2 is arranged at one end of the core rod pull rod 1, the outer core rod 3 is arranged on one side of the inner core rod 2, the curved surface groove 31 is arranged on one side, close to the inner core rod 2, of the outer core rod 3, and the curved surface groove 31 is matched with the inner core rod 2; and one end of the outer core rod 3 is provided with a core rod stop block 4, the core rod stop block 4 is matched with the inner core rod 2, and the other end of the outer core rod 3 is provided with a joint core rod 5.
The joint core rod 5 in this embodiment includes a first movable joint 51, a second movable joint 52, a terminal joint 53 and a hinge pin 54, the first movable joint 51 is disposed at one end of the outer core rod 3, the second movable joint 52 is disposed at one end of the first movable joint 51 away from the outer core rod 3, and the second movable joint 52 is connected with the first movable joint 51 through the hinge pin 54; the number of the first movable joints 51 is multiple, the number of the second movable joints 52 is multiple, the number of the first movable joints 51 is larger than that of the second movable joints 52, the first movable joints 51 are arranged at intervals with the second movable joints 52, and the first movable joints 51 are buckled on the outer sides of the second movable joints 52; the end joint 53 is arranged at one end of the first movable joint 51 far away from the outer core rod 3.
In this embodiment, the top of the first movable joint 51 is arc-shaped, the top of the second movable joint 52 is arc-shaped, and the top surface of the second movable joint 52 and the top surface of the first movable joint 51 are in smooth transition.
Example 5
A deformation resistant telescoping elbow mandrel, as shown in fig. 1, 5 and 6, comprising: the joint core rod comprises a core rod pull rod 1, an inner core rod 2, an outer core rod 3, a curved surface groove 31, a core rod stop block 4 and a joint core rod 5, wherein the inner core rod 2 is arranged at one end of the core rod pull rod 1, the outer core rod 3 is arranged on one side of the inner core rod 2, the curved surface groove 31 is arranged on one side, close to the inner core rod 2, of the outer core rod 3, and the curved surface groove 31 is matched with the inner core rod 2; and one end of the outer core rod 3 is provided with a core rod stop block 4, the core rod stop block 4 is matched with the inner core rod 2, and the other end of the outer core rod 3 is provided with a joint core rod 5.
A fixed seat 6 is arranged on one side of the outer core rod 3 in the embodiment, the fixed seat 6 comprises a fixed base 61, a spring fixed block 62, a spring 63, a sliding fixed seat 64 and a sliding block 65, the spring fixed seat 62 is fixedly arranged at one end of the fixed base 61, the spring 63 is arranged on the spring fixed seat 62, the sliding fixed seat 64 is arranged at one end, away from the spring fixed seat 62, of the spring 63, and the sliding fixed seat 64 is in sliding contact with the fixed base 61; the sliding fixing seat 64 is provided with a notch, a sliding block 65 is arranged in the notch, the sliding block 65 is fixed on the outer core rod 3, and the sliding block 65 is in sliding contact with the notch.
In this embodiment, the sliding fixing seat 64 is provided with a baffle 66, the baffle 66 is arranged at two ends of the notch, and the baffle 66 is matched with the sliding block 65.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides an anti scalable return bend plug of deformation which characterized in that: the method comprises the following steps: the core rod comprises a core rod pull rod (1), an inner core rod (2), an outer core rod (3), a curved surface groove (31), a core rod stop block (4) and a joint core rod (5), wherein the inner core rod (2) is arranged at one end of the core rod pull rod (1), the outer core rod (3) is arranged on one side of the inner core rod (2), the curved surface groove (31) is arranged on one side, close to the inner core rod (2), of the outer core rod (3), and the curved surface groove (31) is matched with the inner core rod (2); and one end of the outer core rod (3) is provided with a core rod stop block (4), the core rod stop block (4) is matched with the inner core rod (2), and the other end of the outer core rod (3) is provided with a joint core rod (5).
2. The deformation resistant telescopic elbow mandrel of claim 1, wherein: one end of the core rod pull rod (1) far away from the inner core rod (2) is connected with a power source.
3. The deformation resistant telescopic elbow mandrel of claim 1, wherein: the curved surface groove (31) comprises a slip section (311) and a transition arc (312), the slip section (311) is parallel to the axis of the outer core rod (3), the transition arc (312) is arranged at one end of the slip section (311), and the transition arc (312) is in smooth transition fit with the slip section (311); the outer surface of one side of the inner core rod (2) close to the outer core rod (3) is matched with the curved surface groove (31).
4. The deformation resistant telescopic elbow mandrel of claim 1, wherein: the joint core rod (5) comprises a first movable joint (51), a second movable joint (52), a tail end joint (53) and a hinge pin (54), the first movable joint (51) is arranged at one end of the outer core rod (3), the second movable joint (52) is arranged at one end, away from the outer core rod (3), of the first movable joint (51), and the second movable joint (52) is connected with the first movable joint (51) through the hinge pin (54); the number of the first movable joints (51) is multiple, the number of the second movable joints (52) is multiple, the number of the first movable joints (51) and the number of the second movable joints (52) are arranged at intervals between the first movable joints (51) and the second movable joints (52), and the first movable joints (51) are buckled on the outer side of the second movable joints (52); one end of the first movable joint (51) far away from the outer core rod (3) is provided with a tail end joint (53).
5. The deformation resistant telescopic elbow mandrel of claim 4, wherein: the top of the first movable joint (51) is arc-shaped, the top of the second movable joint (52) is arc-shaped, and the top surface of the second movable joint (52) and the top surface of the first movable joint (51) are in smooth transition.
6. The deformation resistant telescopic elbow mandrel of claim 1, wherein: a fixed seat (6) is arranged on one side of the outer core rod (3), the fixed seat (6) comprises a fixed base (61), a spring fixed seat (62), a spring (63), a sliding fixed seat (64) and a sliding block (65), the spring fixed seat (62) is fixedly arranged at one end of the fixed base (61), the spring (63) is arranged on the spring fixed seat (62), the sliding fixed seat (64) is arranged at one end, away from the spring fixed seat (62), of the spring (63), and the sliding fixed seat (64) is in sliding contact with the fixed base (61); the sliding fixing seat (64) is provided with a notch, a sliding block (65) is arranged in the notch, the sliding block (65) is fixed on the outer core rod (3), and the sliding block (65) is in sliding contact with the notch.
7. The deformation resistant telescopic elbow mandrel of claim 6, wherein: the sliding fixing seat (64) is provided with a baffle (66), the baffle (66) is arranged at two ends of the notch, and the baffle (66) is matched with the sliding block (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121568977.5U CN215279336U (en) | 2021-07-12 | 2021-07-12 | Anti-deformation telescopic elbow core rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121568977.5U CN215279336U (en) | 2021-07-12 | 2021-07-12 | Anti-deformation telescopic elbow core rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215279336U true CN215279336U (en) | 2021-12-24 |
Family
ID=79521731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121568977.5U Active CN215279336U (en) | 2021-07-12 | 2021-07-12 | Anti-deformation telescopic elbow core rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215279336U (en) |
-
2021
- 2021-07-12 CN CN202121568977.5U patent/CN215279336U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209902116U (en) | Copper pipe bender with adjustable bending angle | |
| CN212420281U (en) | Welding fixture for special-shaped metal workpiece | |
| CN215279336U (en) | Anti-deformation telescopic elbow core rod | |
| CN209206154U (en) | A kind of uninterrupted pushing device of hot push elbow | |
| CN101791655B (en) | Pipe fitting riveting machine | |
| CN217595573U (en) | Bending device for sheet metal part production | |
| CN217044130U (en) | Copper pipe bender that electricity liquid combines | |
| CN219443001U (en) | Panel bender | |
| CN218294188U (en) | Gear roller convenient for replacing gears | |
| CN214919529U (en) | Flanging machine | |
| CN215434758U (en) | Tee bend pipe fitting forming die | |
| CN2459111Y (en) | End hole shrinking mechanism for pipe material | |
| CN216683056U (en) | Special-shaped pipe inserting pipe die | |
| CN216728965U (en) | Single-bending machine ejection bending mechanism | |
| CN214444346U (en) | Three-way pipe automatic rotation unified normal position device | |
| CN210966519U (en) | Bellows production mould | |
| CN209207962U (en) | Core-pulling device is used in a kind of production of pipe fitting | |
| CN220112028U (en) | S-shaped bent pipe bending die | |
| CN219335522U (en) | Double-station double-clamping die pipe end forming equipment for processing pipe products | |
| CN214108406U (en) | Bending mechanism for titanium alloy thin-wall support | |
| CN216226296U (en) | Copper U-bend forming device | |
| CN205966899U (en) | Bending mould of major diameter light -wall pipe | |
| CN220146462U (en) | Bent pipe vertebra core pulling structure | |
| CN218985458U (en) | Plastic cooling forming device | |
| CN117619961B (en) | Titanium alloy tube push bending forming device and forming method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |