CN203560232U - Expanding fitting for fastening connection of pipes - Google Patents
Expanding fitting for fastening connection of pipes Download PDFInfo
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- CN203560232U CN203560232U CN201320683536.9U CN201320683536U CN203560232U CN 203560232 U CN203560232 U CN 203560232U CN 201320683536 U CN201320683536 U CN 201320683536U CN 203560232 U CN203560232 U CN 203560232U
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- jackscrew
- swelling portion
- tubing
- top board
- fastenedly connected
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Abstract
The utility model discloses an expanding fitting for fastening connection of pipes. The expanding fitting comprises an expanding and tightening joint and a jack screw used for expanding the expanding and tightening joint, wherein the expanding and tightening joint comprises a connecting plate; a first expanding and tightening part connected with one pipe is arranged at one end of the connecting plate; a second expanding and tightening part connected with the other pipe is arranged at the other end of the connecting plate; the jack screw penetrates through the first expanding and tightening part and is contacted with the first expanding and tightening part and the second expanding and tightening part; and when the jack screw is tightly screwed, the jack screw drives the first expanding and tightening part and the second expanding and tightening part to expand to be connected with inner walls of the corresponding pipes in an expanding and tightening manner respectively. The expanding fitting for the fastening connection of the pipes has the advantages that only a fastener is used; the expanding fitting is simple in structure and convenient to mount; and the fastener can be effectively protected against damage.
Description
Technical field
The utility model relates to the package technique that a kind of tubing connects, and relates in particular to a kind of expansion accessory being fastenedly connected for tubing.
Background technique
In the prior art, the structure that connects tubing by connection fittings has a variety of, comparatively commonly tubing is inserted after connection fittings, by multiple fastening pieces such as screw, rivets, directly tubing and connection fittings are connected and fixed, while adopting said method to connect tubing, installation steps are more numerous and diverse, the stressed of joint mainly concentrates on fastening piece, fastening piece is easily loosening, and stability is not high, and the force bearing point place of fastening piece is subject to shearing force and fracture failure.
Model utility content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of use fastening piece, simple in structure, be convenient to install, can effectively protect the not impaired expansion accessory being fastenedly connected for tubing of fastening piece.
For solving the problems of the technologies described above, the technological scheme the utility model proposes is:
A kind of expansion accessory being fastenedly connected for tubing, comprise swelling joint and for making the jackscrew of swelling joint distending, described swelling joint comprises connecting plate, described connecting plate one end is provided with the first swelling portion for connecting a tubing, the other end is provided with the second swelling portion for connecting another part tubing, described jackscrew passes the first swelling portion and contacts with the second swelling portion with the first swelling portion, while screwing jackscrew, jackscrew orders about the first swelling portion and is connected with the inwall swelling of corresponding tubing respectively with the second swelling portion distending.
Between described the first swelling portion and the second swelling portion, be provided with tubing and dodge gap.
Described the first swelling portion or the second swelling portion are provided with the jackscrew pilot hole that prevents jackscrew skew.
Described jackscrew is the stepped cylindrical being connected to form by large footpath post and path post, and described large footpath post is provided with outside thread, and the diameter of described large footpath post is greater than the diameter of jackscrew pilot hole, and the diameter of described path post is less than the diameter of jackscrew pilot hole.
The two ends of described connecting plate are bent with first substrate and second substrate, and described the first swelling portion is located at first substrate, and described the second swelling portion is located at second substrate.
Described the second swelling portion comprises that respectively bending is located at two blocks of second side plates at second substrate two ends, two blocks of second side plates all bend and are provided with the second top board, gap width between two the second top boards is less than the diameter of path post, while screwing jackscrew, path post orders about the second top board and the second side plate to both sides distending.
Described the first swelling portion comprises that bending is located at two blocks of first side plates at first substrate two ends, two blocks of first side plates all bend and are provided with the first top board, described jackscrew pilot hole is comprised of the semicircle orifice of two the first top boards, and while screwing jackscrew, large footpath post orders about the first top board and the first side plate to both sides distending.
Angle between described the first top board and the first side plate is 1≤90 ° of 5 °≤α of α Isosorbide-5-Nitrae, and the angle between described the second top board and the second side plate is 1≤90 ° of 5 °≤β of β Isosorbide-5-Nitrae.
Described the first swelling portion comprises that two sides that first substrate two ends are located in symmetrical bending back down plate, described first substrate is provided with and is bent to two sides and backs down the 3rd top board between plate, described jackscrew pilot hole is located at the 3rd top board, while screwing jackscrew, large footpath post orders about two sides by the 3rd top board and backs down plate distending.
The angle that described side is backed down between plate and first substrate is 2≤90 ° of 2,45 °≤α of α, and the angle between described the second top board and the second side plate is 2≤90 ° of 2,45 °≤β of β.
One end of described connecting plate upwards bends and is provided with intermediate plate, described intermediate plate is provided with the through hole that coordinates jackscrew, described the first swelling portion is formed by one end bending of intermediate plate, and described the first swelling portion is L-shaped, and one side that described the first swelling portion contacts with pipe material inner wall is provided with screw.
Described the second swelling portion comprises that bending is located at two blocks of second side plates at connecting plate two ends, and two blocks of second side plates are equipped with the second top board, and while screwing jackscrew, jackscrew orders about the second top board and the second side plate to both sides distending.
Described jackscrew pilot hole is comprised of the semicircle orifice of two the second top boards, and one end that described jackscrew joins with the second top board is provided with the frustum coordinating with jackscrew pilot hole.
Angle between described the second top board and the second side plate is 3≤180 ° of 3,90 °≤β of β.
Described the first swelling portion comprises that bending is located at two blocks of first side plates at connecting plate two ends, and two blocks of first side plates are equipped with the first top board, and while screwing jackscrew, jackscrew orders about the first top board and the first side plate to both sides distending.
Described jackscrew is that double end drives jackscrew, and described jackscrew pilot hole is comprised of the semicircle orifice of two the first top boards, and the head of described jackscrew is installed with in jackscrew pilot hole periphery.
One end of described connecting plate upwards bends and is provided with intermediate plate, described intermediate plate is provided with the screw that coordinates jackscrew, described the second swelling portion is formed by one end bending of intermediate plate, described the second swelling portion is L-shaped, and one end that described the second swelling portion contacts with pipe material inner wall is provided with the handle hole of being convenient to screw jackscrew.
Angle between described the first top board and the first side plate is 3≤90 ° of 3,45 °≤α of α.
Described expansion accessory also comprises the shell that is coated on outside, described tubing joint, offers the hole of dodging that coordinates jackscrew on described shell.
Compared with prior art, the utility model has the advantage of:
The expansion accessory being fastenedly connected for tubing of the present utility model, is only used a jackscrew just can realize two sections of swelling portions and is connected with the swelling of two sections of tubing, do not need unnecessary fastening piece, simple in structure, be convenient to install, can effectively protect jackscrew not impaired.During assembling, according to different conditions, select different expansion fashions, can select directly to screw jackscrew and order about the first swelling portion and be connected with the inner wall tightening of two sections of tubing respectively with the second swelling portion distending; Also can select first by jackscrew, swelling joint to be connected with the inner wall tightening of a tubing, and then another tubing is inserted in to the outside of swelling joint, the perforate of passing this tubing with instrument continues to screw jackscrew, makes swelling joint form swelling with the inwall of this tubing and is connected.When two sections of tubing are damaged power, the power that this expansion accessory bears is not concentrated on jackscrew, but offsets by the tension force between swelling joint and two pipe material inner walls, thereby can prevent that jackscrew is subject to shearing force and ruptures, and avoids the Joint failure of two sections of tubing.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment 1 structural representation.
Fig. 2 is the utility model embodiment 1 decomposition texture schematic diagram.
Fig. 3 is the perspective view of swelling joint in the utility model embodiment 1.
Fig. 4 is the plan structure schematic diagram of swelling joint in the utility model embodiment 1.
Fig. 5 is the main TV structure schematic diagram of swelling joint in the utility model embodiment 1.
Fig. 6 is the perspective view (omission screw thread) of jackscrew in the utility model embodiment 1.
Fig. 7 is the utility model embodiment 2 structural representation.
Fig. 8 is the perspective view of swelling joint in the utility model embodiment 2.
Fig. 9 is the plan structure schematic diagram of swelling joint in the utility model embodiment 2.
Figure 10 is the main TV structure schematic diagram of swelling joint in the utility model embodiment 2.
Figure 11 is the A-A sectional structure schematic diagram of Fig. 9.
Figure 12 is the utility model embodiment 3 structural representation.
Figure 13 is the perspective view of swelling joint in the utility model embodiment 3.
Figure 14 is the plan structure schematic diagram of swelling joint in the utility model embodiment 3.
Figure 15 is the B-B cross-sectional view of Figure 14.
Figure 16 is the utility model embodiment 4 structural representation.
Figure 17 is the perspective view of swelling joint in the utility model embodiment 4.
Figure 18 is the plan structure schematic diagram of swelling joint in the utility model embodiment 4.
Number in the figure explanation:
1, swelling joint; 11, connecting plate; 111, first substrate; 112, second substrate; 113, intermediate plate; 12, the first swelling portion; 121, the first top board; 122, the first side plate; 123, side is backed down plate; 124, the 3rd top board; 125, top margin; 13, the second swelling portion; 131, the second top board; 132, the second side plate; 133, handle hole; 14, tubing is dodged gap; 2, jackscrew; 21, large footpath post; 22, path post; 23, frustum; 3, jackscrew pilot hole; 4, tubing; 5, shell; 51, dodge hole.
Embodiment
Embodiment 1:
Fig. 1 to Fig. 6 shows the embodiment of the expansion accessory that the first of the present utility model is fastenedly connected for tubing, comprise swelling joint 1 and for making the jackscrew 2 of swelling joint 1 distending, swelling joint 1 comprises connecting plate 11, one end of connecting plate 11 is provided with the first swelling portion 12, the other end is provided with the second swelling portion 13, between the first swelling portion 12 and the second swelling portion 13, be provided with tubing and dodge gap 14, so that each swelling portion connects corresponding tubing 4, jackscrew 2 contacts with the second swelling portion 13 through the first swelling portion 12, while screwing jackscrew 2, jackscrew 2 orders about the first swelling portion 12 and the second swelling portion 13, the first swelling portion 12 and the second swelling portion 13 are respectively to both sides distending, and be connected with the inwall formation swelling of corresponding tubing 4, only with a jackscrew 2, completing two sections of tubing 4 is fastenedly connected, it is simple in structure, be convenient to install, can effectively protect jackscrew 2 not impaired.
In the present embodiment, the first swelling portion 12 or the second swelling portion 13 are provided with the jackscrew pilot hole 3 that prevents that jackscrew 2 is offset.Jackscrew 2 is the stepped cylindrical being connected to form by large footpath post 21 and path post 22, and large footpath post 21 is provided with outside thread, and the diameter of large footpath post 21 is greater than the diameter of jackscrew pilot hole 3, and the diameter of path post 22 is less than the diameter of jackscrew pilot hole 3.
In the present embodiment, the two ends of connecting plate 11 are bent with first substrate 111 and second substrate 112, the first swelling portion 12 is located at first substrate 111, the second swelling portion 13 is located at second substrate 112, first substrate 111 is provided with the screw that coordinates large footpath post 21, and second substrate 112 is provided with for passing through the through hole of path post 22.The first swelling portion 12 comprises that bending is located at two blocks of first side plates 122 at first substrate 111 two ends, two blocks of first side plates 122 all bend and are provided with the first top board 121, two the first top boards 121 are symmetrical, angle between every the first top board 121 and the first side plate 122 of joining is α 1,1≤90 ° of 45 °≤α, jackscrew pilot hole 3 is comprised of the semicircle orifice of two the first top boards 121.The second swelling portion 13 comprises that respectively bending is located at two blocks of second side plates 132 at second substrate 112 two ends, two blocks of second side plates 132 are equipped with the second top board 131, two the second top boards 131 are symmetrical, angle between every block of second side plate 132 and the second side plate 132 of joining is β 1,1≤90 ° of 45 °≤β, in the present embodiment, α 1 and β 1 are 75 °, and the gap width between two the second top boards 131 is less than the diameter of path post 22.When path post 22 backs down two the second top boards 131 through jackscrew pilot hole 3, large footpath post 21 backs down two the first top boards 121, the first top board 121 and the second top board 131 are stressed evenly and to both sides distending, corresponding the first side plate 122 and the second side plate 132 are subject to respectively power from the first top board 121 and the second top board 131 to both sides distending, thereby make the inwall of whole swelling joint 1 and two sections of tubing 4 reach good swelling effect.
In the present embodiment, expansion accessory also comprises the shell 5 that is coated on tubing 4 outsides, joint, on shell 5, offer coordinate jackscrew 2 dodge hole 51, dodge hole 51 for screw.
The utility model is when assembling, first two sections of tubing 4 are sheathed on respectively outside the first swelling portion 12 and the second swelling portion 13, again shell 5 is coated on to tubing 4 outsides, joint, the screw of jackscrew 2 precession shells 5 and first substrate 111, path post 22 is through jackscrew pilot hole 3, when path post 22 contacts with the second top board 131, large footpath post 21 backs down two the first top boards 121, making two the first top boards 121 form swelling to both sides distending with the inwall of corresponding tubing 4 is connected, path post 22 backs down two the second top boards 131, making two the second top boards 131 also to both sides distending, form swelling with the inwall of corresponding tubing 4 is connected, when two sections of tubing 4 are damaged power, the power that this accessory bears is not concentrated on jackscrew 2, but offset by the tension force between the first swelling portion 12 and the second swelling portion 13 and tubing 4 inwalls, thereby can prevent jackscrew 2 to be subject to shearing force and rupture, avoid the Joint failure of two sections of tubing 4.
Embodiment 2:
Fig. 7 to Figure 11 shows the embodiment of the expansion accessory that the second of the present utility model is fastenedly connected for tubing, the present embodiment is identical with the structure of jackscrew 2 in embodiment 1 and the second swelling portion 13, difference is: the first swelling portion 12 comprises that two sides that first substrate 111 two ends are located in symmetrical bending back down plate 123, the angle that side is backed down between plate 123 and first substrate 111 is α 2, 2≤90 ° of 45 °≤α, angle between the second top board 131 and the second side plate 132 is β 2, 2≤90 ° of 45 °≤β, α 2 in the present embodiment, β 2 is 80 °, side is backed down plate 123 and away from one end of first substrate 111, is provided with the top margin 125 bending to tubing 4, first substrate 111 is provided with and is bent to two sides and backs down the 3rd top board 124 between plate 123, jackscrew pilot hole 3 is located at the 3rd top board 124.
The present embodiment is in when assembling, precession jackscrew 2, and large footpath post 21 orders about upwards distending of the 3rd top board 124 by jackscrew pilot hole 3, and drives two sides to back down plate 123 respectively to both sides distending, and top margin 125 is connected with the inwall formation swelling of tubing 4; Path post 22 contacts the second top board 131 through jackscrew pilot hole 3, and orders about two the second top board 131 distendings, in the same manner as in Example 1.
Embodiment 3:
Figure 12 to Figure 15 shows the embodiment of the expansion accessory that the third is fastenedly connected for tubing of the present utility model, one end of connecting plate 11 upwards bends and is provided with intermediate plate 113, intermediate plate 113 is provided with the through hole that coordinates jackscrew 2, the first swelling portion 12 is formed by one end bending of intermediate plate 113, the first swelling portion 12 is L-shaped, and the first swelling portion 12 is provided with screw with one side that tubing 4 inwalls contact.The second swelling portion 13 comprises that bending is located at two blocks of second side plates 132 at connecting plate 11 two ends, two blocks of second side plates 132 are equipped with the second top board 131, two the second top boards 131 are symmetrical, angle between the second top board 131 and the second side plate 132 is β 3,3≤180 ° of 90 °≤β, in the present embodiment, β 3 is 100 °.Jackscrew pilot hole 3 is for to be comprised of the semicircle orifice of two the second top boards 131, and jackscrew 2 is for being with externally threaded push rod, and one end that push rod joins with the second top board 131 is provided with the frustum 23 coordinating with jackscrew pilot hole 3.
In the present embodiment, expansion accessory also comprises the shell 5 that is coated on tubing 4 outsides, joint, on shell 5, offer stretch into instrument rotation jackscrew 2 dodge hole 51, dodge hole 51 for screw.
The expansion accessory being fastenedly connected for tubing of the present embodiment is when assembling, precession jackscrew 2, frustum 23 contacts jackscrew pilot hole 3, make two the second top board 131 distendings, and drive two blocks of second side plates 132 to both sides distending, to be connected with the inwall formation swelling of a tubing 4 respectively, due to the reaction force of jackscrew 2, the first swelling portion 12 that promotes is adjacent to another part tubing 4, completes and is fastenedly connected.
Embodiment 4:
Figure 16 to Figure 18 shows the embodiment of the 4th kind of expansion accessory being fastenedly connected for tubing of the present utility model, the present embodiment and embodiment's 3 structure is basic identical, difference is only: the second swelling portion 13 that the first swelling portion 12 in embodiment 3 is the present embodiment, the first swelling portion 12 that the second swelling portion 13 in embodiment 3 is the present embodiment, angle between the first top board 121 and the first side plate 122 is α 3,3≤90 ° of 45 °≤α, in the present embodiment, α 3 is 75 °.Intermediate plate 113 is provided with the screw that coordinates jackscrew 2, and jackscrew 2 is for being double end driving jackscrew, and one side that the second swelling portion 13 contacts with tubing 4 inwalls is provided with the handle hole 133 of being convenient to screw jackscrew 2, and the hole 51 of dodging of shell 5 is through hole.
The expansion accessory being fastenedly connected for tubing of the present embodiment is when assembling, first shell 5 is coated on to the outside of swelling joint 1, jackscrew 2 is screwed in to swelling joint 1, again two sections of tubing 4 are inserted in respectively between swelling joint 1 and shell 5, instrument rotation jackscrew 2 is stretched in the hole 51 of dodging from shell 5, jackscrew 2 is to the direction of pull motion of instrument, the head of jackscrew 2 is installed with in jackscrew pilot hole 3 peripheries, make two the first top board 121 distendings, and drive two blocks of first side plates 122 to both sides distending, to be connected with the inwall formation swelling of tubing 4 respectively; Jackscrew 2 front ends withstand the second swelling portion 13 and fit to inwall with one side that tubing 4 inwalls contact, and complete and are fastenedly connected.
Although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model.Any those of ordinary skill in the art, in the situation that not departing from technical solutions of the utility model scope, all can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solutions of the utility model,, all should drop in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the utility model technical spirit.
Claims (19)
1. the expansion accessory being fastenedly connected for tubing, it is characterized in that: comprise swelling joint (1) and for making the jackscrew (2) of swelling joint (1) distending, described swelling joint (1) comprises connecting plate (11), described connecting plate (11) one end is provided with the first swelling portion (12) for connecting a tubing (4), the other end is provided with the second swelling portion (13) for connecting another part tubing (4), described jackscrew (2) passes the first swelling portion (12) and contacts with the second swelling portion (13) with the first swelling portion (12), while screwing jackscrew (2), jackscrew (2) orders about the first swelling portion (12) and is connected with the inwall swelling of corresponding tubing (4) respectively with the second swelling portion (13) distending.
2. the expansion accessory being fastenedly connected for tubing according to claim 1, is characterized in that: between described the first swelling portion (12) and the second swelling portion (13), be provided with tubing and dodge gap (14).
3. the expansion accessory being fastenedly connected for tubing according to claim 1, is characterized in that: described the first swelling portion (12) or the second swelling portion (13) are provided with the jackscrew pilot hole (3) that prevents jackscrew (2) skew.
4. the expansion accessory being fastenedly connected for tubing according to claim 3, it is characterized in that: described jackscrew (2) is the stepped cylindrical being connected to form by large footpath post (21) and path post (22), described large footpath post (21) is provided with outside thread, the diameter of described large footpath post (21) is greater than the diameter of jackscrew pilot hole (3), and the diameter of described path post (22) is less than the diameter of jackscrew pilot hole (3).
5. the expansion accessory being fastenedly connected for tubing according to claim 4, it is characterized in that: the two ends of described connecting plate (11) are bent with first substrate (111) and second substrate (112), described the first swelling portion (12) is located at first substrate (111), and described the second swelling portion (13) is located at second substrate (112).
6. the expansion accessory being fastenedly connected for tubing according to claim 5, it is characterized in that: described the second swelling portion (13) comprises that respectively bending is located at two blocks of second side plates (132) at second substrate (112) two ends, two blocks of second side plates (132) all bend and are provided with the second top board (131), gap width between two the second top boards (131) is less than the diameter of path post (22), while screwing jackscrew (2), path post (22) orders about the second top board (131) and the second side plate (132) to both sides distending.
7. the expansion accessory being fastenedly connected for tubing according to claim 6, it is characterized in that: described the first swelling portion (12) comprises that bending is located at two blocks of first side plates (122) at first substrate (111) two ends, two blocks of first side plates (122) all bend and are provided with the first top board (121), described jackscrew pilot hole (3) is comprised of the semicircle orifice of two the first top boards (121), while screwing jackscrew (2), large footpath post (21) orders about the first top board (121) and the first side plate (122) to both sides distending.
8. the expansion accessory being fastenedly connected for tubing according to claim 7, it is characterized in that: the angle between described the first top board (121) and the first side plate (122) is α 1,1≤90 ° of 45 °≤α, angle between described the second top board (131) and the second side plate (132) is 1≤90 ° of 5 °≤β of β Isosorbide-5-Nitrae.
9. the expansion accessory being fastenedly connected for tubing according to claim 6, it is characterized in that: described the first swelling portion (12) comprises that two sides that first substrate (111) two ends are located in symmetrical bending back down plate (123), described first substrate (111) is provided with and is bent to two sides and backs down the 3rd top board (124) between plate (123), described jackscrew pilot hole (3) is located at the 3rd top board (124), while screwing jackscrew (2), large footpath post (21) orders about two sides by the 3rd top board (124) and backs down plate (123) distending.
10. the expansion accessory being fastenedly connected for tubing according to claim 9, it is characterized in that: the angle that described side is backed down between plate (123) and first substrate (111) is α 2,2≤90 ° of 45 °≤α, angle between described the second top board (131) and the second side plate (132) is 2≤90 ° of 2,45 °≤β of β.
The 11. expansion accessories that are fastenedly connected for tubing according to claim 3, it is characterized in that: one end of described connecting plate (11) upwards bends and is provided with intermediate plate (113), described intermediate plate (113) is provided with the through hole that coordinates jackscrew (2), described the first swelling portion (12) is formed by one end bending of intermediate plate (113), described the first swelling portion (12) is L-shaped, and described the first swelling portion (12) is provided with screw with one side that tubing (4) inwall contacts.
The 12. expansion accessories that are fastenedly connected for tubing according to claim 11, it is characterized in that: described the second swelling portion (13) comprises that bending is located at two blocks of second side plates (132) at connecting plate (11) two ends, two blocks of second side plates (132) are equipped with the second top board (131), while screwing jackscrew (2), jackscrew (2) orders about the second top board (131) and the second side plate (132) to both sides distending.
The 13. expansion accessories that are fastenedly connected for tubing according to claim 12, it is characterized in that: described jackscrew pilot hole (3) is comprised of the semicircle orifice of two the second top boards (131), one end that described jackscrew (2) joins with the second top board (131) is provided with the frustum (23) coordinating with jackscrew pilot hole (3).
The 14. expansion accessories that are fastenedly connected for tubing according to claim 12, is characterized in that: the angle between described the second top board (131) and the second side plate (132) is 3≤180 ° of 3,90 °≤β of β.
The 15. expansion accessories that are fastenedly connected for tubing according to claim 3, it is characterized in that: described the first swelling portion (12) comprises that bending is located at two blocks of first side plates (122) at connecting plate (11) two ends, two blocks of first side plates (122) are equipped with the first top board (121), while screwing jackscrew (2), jackscrew (2) orders about the first top board (121) and the first side plate (122) to both sides distending.
The 16. expansion accessories that are fastenedly connected for tubing according to claim 15, it is characterized in that: described jackscrew (2) is double end driving jackscrew, described jackscrew pilot hole (3) is comprised of the semicircle orifice of two the first top boards (121), and the head of described jackscrew (2) is installed with in jackscrew pilot hole (3) periphery.
The 17. expansion accessories that are fastenedly connected for tubing according to claim 16, it is characterized in that: one end of described connecting plate (11) upwards bends and is provided with intermediate plate (113), described intermediate plate (113) is provided with the screw that coordinates jackscrew (2), described the second swelling portion (13) is formed by one end bending of intermediate plate (113), described the second swelling portion (13) is L-shaped, and one end that described the second swelling portion (13) contacts with tubing (4) inwall is provided with the handle hole (133) of being convenient to screw jackscrew (2).
The 18. expansion accessories that are fastenedly connected for tubing according to claim 15, is characterized in that: the angle between described the first top board (121) and the first side plate (122) is 3≤90 ° of 3,45 °≤α of α.
19. according to the expansion accessory being fastenedly connected for tubing described in claim 1～18 any one, it is characterized in that: described expansion accessory also comprises the shell (5) that is coated on described tubing (4) outside, joint, on described shell (5), offer coordinate jackscrew (2) dodge hole (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683536.9U CN203560232U (en) | 2013-11-01 | 2013-11-01 | Expanding fitting for fastening connection of pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683536.9U CN203560232U (en) | 2013-11-01 | 2013-11-01 | Expanding fitting for fastening connection of pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203560232U true CN203560232U (en) | 2014-04-23 |
Family
ID=50509955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320683536.9U Withdrawn - After Issue CN203560232U (en) | 2013-11-01 | 2013-11-01 | Expanding fitting for fastening connection of pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203560232U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557215A (en) * | 2013-11-01 | 2014-02-05 | 湖南省金为型材有限公司 | Expansion type accessory used for fastening connection of pipe |
-
2013
- 2013-11-01 CN CN201320683536.9U patent/CN203560232U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557215A (en) * | 2013-11-01 | 2014-02-05 | 湖南省金为型材有限公司 | Expansion type accessory used for fastening connection of pipe |
| CN103557215B (en) * | 2013-11-01 | 2015-12-23 | 湖南省金为型材有限公司 | For the expansion type accessory that tubing is fastenedly connected |
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