CN202239318U - Hydraulic calipers for rapid self-locking of metal pipe fitting - Google Patents
Hydraulic calipers for rapid self-locking of metal pipe fitting Download PDFInfo
- Publication number
- CN202239318U CN202239318U CN2011204098706U CN201120409870U CN202239318U CN 202239318 U CN202239318 U CN 202239318U CN 2011204098706 U CN2011204098706 U CN 2011204098706U CN 201120409870 U CN201120409870 U CN 201120409870U CN 202239318 U CN202239318 U CN 202239318U
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- Prior art keywords
- clamp
- jaw
- caliper
- locking
- lower clamp
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- 239000002184 metal Substances 0.000 title claims abstract description 19
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to hydraulic calipers for rapid self-locking of a metal pipe fitting, which comprise a caliper base, an oil cylinder, an upper caliper body and a lower caliper body. A concave opening is arranged in the middle of the upper portion of the caliper base, shaft holes are respectively arranged on two sides of the concave opening, one end of the upper caliper body is arranged in one shaft hole in hinge mode through a pin shaft, a fixing opening for being fixed with the other shaft hole is arranged at the other end of the upper caliper body, and a first caliper opening is arranged on the lower portion of the upper caliper body. The upper portion of an oil cylinder body is fixedly connected with the lower portion of the caliper base, a piston rod penetrates through the caliper base, the upper end portion of the piston rod is arranged in the concave opening, and a compression spring is arranged between a piston and the caliper base. The lower caliper is arranged in the concave opening, a second caliper opening is arranged on the upper portion of the lower caliper body, the first caliper opening is matched with the second caliper opening, the bottom of the lower caliper body is fixedly connected with the piston rod, and the lateral side of the lower caliper body is in sliding match with the lateral wall of the concave opening. The hydraulic calipers for rapid self-locking of the metal pipe fitting have the advantages of being simple in structure, convenient to use and good in stability.
Description
Technical field
The utility model relates to a kind of metal tube hydraulic pressure clamp of locking fast.
Background technology
Conventional pipelines and connector thereof are threaded usually or plough groove type connects; Be connected firmly for reaching, tight, non-leakage purpose, generally need reprocess pipe fitting end, promptly open hinge screw thread or open channels at the port of pipe fitting so that be connected, so just damaged, weakened the intensity of pipe fitting end with internal thread or groove.For this reason, when producing pipe fitting, because ridge and groove have the certain height or the degree of depth; The wall thickness of pipe fitting just need be reserved as the surplus of machining screw tooth or groove, and these cause the whole wall thickness of pipe fitting to be much higher than the size that real fluid pressure sets, promptly actual needed wall thickness; Just because of the design limiting of syndeton, require processed pipe fitting that certain intensity will be arranged, promptly certain wall thickness to be arranged; In addition, pipe fitting during fabrication, tube material is by a large amount of wastes; This has increased material cost virtually, has raised the market price of product.
The applicant has applied for a kind of metal tube syndeton and the special caliper (application number: 201110078380.7 applyings date: 2011-03-30) patent of invention thereof of locking fast; This patent discloses and has been used for the clamp that metal tube is locked connection fast; These clamp are configured to by two calipers and two fixed supports; Two calipers are over against being provided with between two fixing support racks, and are hinged through rotating shaft and fixing support rack respectively; Caliper is binding clip above pin joint, and the pin joint below is respectively equipped with jaw for the pincers handle on the binding clip, and the both sides of jaw are respectively equipped with polygon mouth or circular port, and the centre of jaw is provided with the annular groove that the cross section is a circular arc.
Summary of the invention
In order to solve the above-mentioned high technological deficiency of metal tube connected mode production cost; The purpose of the utility model provides the metal tube hydraulic pressure clamp of locking fast; These clamp can the Rapid Realization metal tube locking connect, have simple in structure, easy to use, the characteristics of good stability.
In order to realize above-mentioned purpose, the technical scheme below the utility model has adopted:
Metal tube is the hydraulic pressure clamp of locking fast; These clamp comprise pincers seat, oil cylinder, upper clamp and lower clamp; The pincers seat is provided with recess in the middle of the top, and two sides of recess are respectively equipped with axis hole, and an end of upper clamp is arranged in the axis hole through bearing pin is hinged; And be provided with at the other end of upper clamp and be used for the fixing port that fixes with another axis hole, the bottom of upper clamp is provided with first jaw; Described oil cylinder comprises cylinder body, piston and piston rod, and the top of cylinder body is fixedly connected with the bottom of pincers seat, and described piston rod passes the pincers seat, and its upper end is arranged in the recess, and between piston and pincers seat, is provided with the compression spring; Described lower clamp is arranged in the recess, and the top of lower clamp is provided with second jaw, and first jaw and second jaw are suitable, and the bottom of lower clamp is fixedly connected with piston rod, the side of lower clamp and the snug engagement of recess.
As further improvement, to have a side at least be circular port in both sides in the axial direction for described first jaw and second jaw, and the centre of jaw is provided with the annular groove that the cross section is a circular arc.As most preferably, described first jaw and second jaw are circular port in both sides in the axial direction.It is circular port that both sides are the metal tube connecting portion that circular port is pressed into like this, has solved polygon and has pressed and mouthful can form a seamed edge and cause poorly sealed close technical problem.
As further improvement, the upper end of described piston rod is provided with connector, and the sidewall of connector is provided with the steel ball of protrusion; The inboard of steel ball is provided with spring and plugging block; The bottom of described lower clamp is provided with connecting rod, and connecting rod is provided with first cannelure, and connecting rod is arranged in the connector.The above results has realized the lower clamp fast changeable.
As further improvement, four bights of described lower clamp are respectively equipped with the inclined-plane.
As further improvement, described piston is provided with second cannelure, and the top of second cannelure is provided with pad, and the bottom is provided with sealing ring.
When using, open upper clamp, pipe is put in the jaw, insert latch in the fixing port of upper clamp and be fixed in the axle mouth, the primer fluid pressure device, lower clamp rises, and promptly can realize the quick connection of pipe fitting, and it is extremely convenient to use.The utility model has been owing to adopted technique scheme, have simple in structure, easy to use, the characteristics of good stability.
Description of drawings
Fig. 1 is the structural representation of the utility model clamp.
Fig. 2 is the structural representation between the utility model lower clamp, pincers seat and the oil cylinder.
Fig. 3 is upper clamp and lower clamp closure state sketch map.
Fig. 4 is the structural representation of upper clamp.
Fig. 5 is the right view of Fig. 4.
Fig. 6 is the structural representation of lower clamp.
Fig. 7 is the right view of Fig. 7.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the utility model is done a detailed explanation.
Metal tube as shown in Figure 1 is the hydraulic pressure clamp of locking fast; These clamp comprise oil cylinder 1, pincers seat 2, upper clamp 3 and lower clamp 4; The pincers seat is provided with recess 10 in the middle of 2 tops, and two sides of recess 10 are respectively equipped with axis hole 8, and an end of upper clamp 3 is through bearing pin 5 hinged being arranged in the axis hole 8.Like Fig. 4, shown in Figure 5, the other end of upper clamp 3 is provided with and is used for the fixing port 7 that fixes with another axis hole 8, and the bottom of upper clamp 3 is provided with first jaw 6.As shown in Figure 2; Oil cylinder 1 comprises cylinder body 11, piston 12 and piston rod 13, and the top of cylinder body 11 is fixedly connected with the bottom of pincers seat 2, and piston 12 is provided with second cannelure; The top of second cannelure is provided with pad and sealing ring 15, is provided with compression spring 14 between piston 12 and the pincers seat 2.
As shown in Figure 2, piston rod 13 passes pincers seat 2, and its upper end is arranged in the recess 10, and is provided with connector 16 in the upper end of piston rod 13, and the sidewall of connector 16 is provided with the steel ball 17 of protrusion, and the inboard of steel ball 17 is provided with spring 18 and plugging block 19.Like Fig. 3, Fig. 6, shown in Figure 7; Described lower clamp 4 is arranged in the recess 10; Four bights of lower clamp 4 are respectively equipped with inclined-plane 22, and the bottom of lower clamp 4 is provided with connecting rod 20, and connecting rod 20 is provided with first cannelure 21; Connecting rod 20 is arranged in the connector 16, the snug engagement of the side of lower clamp 4 and recess 10.The top of lower clamp 4 be provided with second jaw, 9, the first jaws 6 and second jaw 9 suitable, be circular port 31,41 in both sides in the axial direction at first jaw 6 and second jaw 9, the centre of jaw is provided with the annular groove 32,42 that the cross section is a circular arc.
When using, open upper clamp 3, pipe is put in the jaw, insert latch in the fixing port of upper clamp 3 and be fixed in the axis hole 8, the primer fluid pressure device, lower clamp 4 rises, and promptly can realize the quick connection of pipe fitting, and it is extremely convenient to use.
Claims (6)
1. quick hydraulic pressure clamp of locking of metal tube; It is characterized in that: these clamp comprise oil cylinder (1), pincers seats (2), upper clamp (3) and lower clamp (4); The pincers seat is provided with recess (10) in the middle of (2) top; Two sides of recess (10) are respectively equipped with axis hole (8); One end of upper clamp (3) is arranged in the axis hole (8) through bearing pin (5) is hinged, and is provided with at the other end of upper clamp (3) and is used for the fixing port (7) that fixes with another axis hole (8), and the bottom of upper clamp (3) is provided with first jaw (6); Described oil cylinder (1) comprises cylinder body (11), piston (12) and piston rod (13); The top of cylinder body (11) is fixedly connected with the bottom of pincers seats (2); Described piston rod (13) passes pincers seats (2); Its upper end is arranged in the recess (10), and between piston (12) and pincers seats (2), is provided with compression spring (14); Described lower clamp (4) is arranged in the recess (10); The top of lower clamp (4) is provided with second jaw (9); First jaw (6) is suitable with second jaw (9); The bottom of lower clamp (4) is fixedly connected with piston rod (13), the snug engagement of the side of lower clamp (4) and recess (10).
2. metal tube according to claim 1 is the hydraulic pressure clamp of locking fast; It is characterized in that: to have a side at least be circular port (31,41) in both sides in the axial direction for first jaw (6) and second jaw (9), and the centre of jaw is provided with the annular groove that the cross section is a circular arc (32,42).
3. metal tube according to claim 2 is the hydraulic pressure clamp of locking fast, it is characterized in that: first jaw (6) is circular port (31,41) in both sides in the axial direction with second jaw (9).
4. according to claim 1 or the quick hydraulic pressure clamp of locking of 2 or 3 described metal tubes; It is characterized in that: the upper end of piston rod (13) is provided with connector (16); The sidewall of connector (16) is provided with the steel ball (17) of protrusion, and the inboard of steel ball (17) is provided with spring (18) and plugging block (19), and the bottom of described lower clamp (4) is provided with connecting rod (20); Connecting rod (20) is provided with first cannelure (21), and connecting rod (20) is arranged in the connector (16).
5. according to the hydraulic pressure clamp of claim 1 or the quick locking of 2 or 3 described metal tubes, it is characterized in that: four bights of lower clamp (4) are respectively equipped with inclined-plane (22).
6. according to the hydraulic pressure clamp of claim 1 or the quick locking of 2 or 3 described metal tubes, it is characterized in that: piston (12) is provided with second cannelure, and the top of second cannelure is provided with pad and sealing ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204098706U CN202239318U (en) | 2011-10-25 | 2011-10-25 | Hydraulic calipers for rapid self-locking of metal pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204098706U CN202239318U (en) | 2011-10-25 | 2011-10-25 | Hydraulic calipers for rapid self-locking of metal pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202239318U true CN202239318U (en) | 2012-05-30 |
Family
ID=46100620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204098706U Expired - Lifetime CN202239318U (en) | 2011-10-25 | 2011-10-25 | Hydraulic calipers for rapid self-locking of metal pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202239318U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567309A (en) * | 2012-07-19 | 2014-02-12 | Dmc能源有限公司 | Swinging head swage tool |
| CN110538932A (en) * | 2018-05-29 | 2019-12-06 | 沃恩阿克斯公开股份有限公司 | Tool heads for presses |
| CN111660254A (en) * | 2020-06-18 | 2020-09-15 | 湖北清江水电开发有限责任公司 | Deep well pump coupling disassembling calipers and using method thereof |
-
2011
- 2011-10-25 CN CN2011204098706U patent/CN202239318U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567309A (en) * | 2012-07-19 | 2014-02-12 | Dmc能源有限公司 | Swinging head swage tool |
| CN103567309B (en) * | 2012-07-19 | 2017-01-11 | Dmc能源有限公司 | Swinging head swage tool |
| CN110538932A (en) * | 2018-05-29 | 2019-12-06 | 沃恩阿克斯公开股份有限公司 | Tool heads for presses |
| CN111660254A (en) * | 2020-06-18 | 2020-09-15 | 湖北清江水电开发有限责任公司 | Deep well pump coupling disassembling calipers and using method thereof |
| CN111660254B (en) * | 2020-06-18 | 2023-10-27 | 湖北清江水电开发有限责任公司 | Deep well pump coupling dismounting caliper and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |