CN202338711U - Insulated oil pipe joint - Google Patents
Insulated oil pipe joint Download PDFInfo
- Publication number
- CN202338711U CN202338711U CN 201120391585 CN201120391585U CN202338711U CN 202338711 U CN202338711 U CN 202338711U CN 201120391585 CN201120391585 CN 201120391585 CN 201120391585 U CN201120391585 U CN 201120391585U CN 202338711 U CN202338711 U CN 202338711U
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- CN
- China
- Prior art keywords
- joint
- oil pipe
- seal ring
- flange
- counterface
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an insulated oil pipe joint for steel rail flash welder. The insulated oil pipe joint comprises a first joint, a second joint and a nut, wherein a first sealing ring is arranged on a matching end face of the first joint; a second sealing ring is arranged on a matching end face of the second joint; an insulating plate is arranged between the first joint and the second joint; a joint part of the first joint is provided with a radial first annular flange; a joint part of the second joint is provided with a radial second annular flange; the second annular flange is provided with flange external threads; a front inner hole of the nut is in threaded connection with the flange external threads of the second joint, and an insulating bush is arranged between a back inner hole of the nut and the periphery of the first joint; the back end of the nut is provided with a lock catch step; a part on the first joint, far from the first annular flange, is provided with first external threads and a first hexagon head; and a part on the second joint, far from the second annular flange, is provided with second external threads and a second hexagon head. The insulated oil pipe joint is high in reliability, is difficult to crack and is convenient to connect with an oil pipe.
Description
Technical field
The utility model relates to a kind of oil connection, especially relevant steel rail flash welding machine be used for need the insulate oil connection of oil circuit of two ends.
Background technique
High-pressure oil pipe that the insulation oil circuit that uses at present steel rail flash welding machine is made by ambroin and metal joint and relevant oil connection etc. are formed.The high-pressure oil pipe that ambroin and metal joint are made in use exists following some problem and hidden danger: unfailing performance is not high; In use, influence safe in utilization because plastic part is prone to season cracking and the metal joint place is prone to disengaging or fracture; Using scope is less; Ambroin pipe and metal joint differ greatly bearing identical oil pressure distortion, are prone to occur in the joint leakage of oil or explosion; Be connected cumbersome with oil pipe.
Summary of the invention
The purpose of the utility model be to provide a kind of reliability high, not easy to crack with the insulating oil pipe joint of being convenient to be connected with oil pipe.
In order to achieve the above object; The technological scheme of the utility model is: a kind of insulating oil pipe joint, comprise first joint, second joint and nut, and the counterface of said first joint is equipped with first seal ring; The counterface of second joint is equipped with second seal ring; Have insulation board between first joint and second joint, the counterface of the counterface of first joint and second joint and first seal ring and second seal ring are pressed on respectively on two sides of insulation board, and the connecting part of said first joint has first collar flange radially; The connecting part of said second joint has second collar flange radially; Have the flange outside thread on second collar flange, the anterior endoporus of said nut is threaded with flange outside thread on second collar flange of second joint, between the periphery of the rear portion endoporus and first joint insulating bush is housed; The rear end of nut has the snap close step; The snap close step is against on the insulating bush, has first outside thread away from first annular flange portion on said first joint, between first outside thread and first collar flange, is provided with first hexagon head; Have second outside thread away from second annular flange portion on said second joint, between second outside thread and second collar flange, be provided with second hexagon head.
The free end of said first joint has the conical surface.
The free end of said second joint has the conical surface.
The counterface of said first joint has the first rectangular annular recess of cross section one, and first seal ring is contained in first annular recess, and the somewhat larger in diameter of said first seal ring is in the degree of depth of first annular recess.
The counterface of said second joint has the second rectangular annular recess of cross section one, and second seal ring is contained in second annular recess, and the somewhat larger in diameter of said second seal ring is in the degree of depth of second annular recess.
After adopting said structure, can reach following effect: need the insulation oil circuit of plastic article with respect to the both sides of existing technology, the utility model reliability is strengthened greatly; With respect to the ambroin oil pipe of existing technology, the withstand voltage properties of the utility model is strengthened greatly, and is not easy to crack; Adopt first outside thread to be connected with extraneous oil pipe with second outside thread, very convenient, fast.
Description of drawings
Fig. 1 is the structural representation of the insulating oil pipe joint of the utility model;
Fig. 2 is the structural representation of first joint among Fig. 1;
Fig. 3 is the structural representation of second joint among Fig. 1.
Embodiment
The embodiment who provides below in conjunction with accompanying drawing does further detailed explanation to the utility model.
Like Fig. 1,2, shown in 3; A kind of insulating oil pipe joint of the utility model; A kind of insulating oil pipe joint comprises first joint 1, second joint 6 and nut 7, and the counterface of said first joint 1 is equipped with first seal ring 3; The counterface of second joint 6 is equipped with second seal ring 5; Between first joint 1 and second joint 6 have counterface and second joint 6 of insulation board 4, the first joints 1 counterface and first seal ring 3 and second seal ring 5 be pressed on respectively on two sides of insulation board 4, the connecting part of said first joint 1 has the first collar flange 1-1 radially; The connecting part of said second joint 6 has the second collar flange 6-1 radially; Have flange outside thread 6-2 on the second collar flange 6-1, the flange outside thread 6-2 on the second collar flange 6-1 of the anterior endoporus of said nut 7 and second joint 6 is threaded, and between the periphery of the rear portion endoporus and first joint 1 insulating bush 2 is housed; The rear end of nut 7 has snap close step 7-1; Snap close step 7-1 is against on the insulating bush 2, has the first outside thread 1-2 away from the first collar flange 1-1 portion on said first joint 1, between the first outside thread 1-2 and the first collar flange 1-1, is provided with the first hexagon head 1-3; Have the second outside thread 6-3 away from the second collar flange 6-1 portion on said second joint 6, between the second outside thread 6-3 and the second collar flange 6-1, be provided with the second hexagon head 6-4.
Like Fig. 1, shown in 2, for the ease of connecting oil pipe, the free end of said first joint 1 has conical surface 1-4.
Like Fig. 1, shown in 3, for the ease of connecting oil pipe, for the free end of said second joint 6 has conical surface 6-5.
Like Fig. 1, shown in 2; For the ease of first seal ring is installed; The counterface of said first joint 1 has the first rectangular annular recess 1-5 of cross section one; First seal ring 3 is contained in the first annular recess 1-5, and the somewhat larger in diameter of said first seal ring 3 is in the degree of depth of the first annular recess 1-5.
Like Fig. 1, shown in 3; For the ease of second seal ring is installed; The counterface of said second joint 6 has the second rectangular annular recess 6-6 of cross section one; Second seal ring 5 is contained in the second annular recess 6-6, and the somewhat larger in diameter of said second seal ring 5 is in the degree of depth of the second annular recess 6-6.
Claims (5)
1. insulating oil pipe joint; Comprise first joint (1), second joint (6) and nut (7); The counterface of said first joint (1) is equipped with first seal ring (3); The counterface of second joint (6) is equipped with second seal ring (5), and (6) have insulation board (4) between first joint (1) and second joint, and the counterface of the counterface of first joint (1) and second joint (6) and first seal ring (3) and second seal ring (5) are pressed on respectively on two sides of insulation board (4); The connecting part of said first joint (1) has first collar flange (1-1) radially; The connecting part of said second joint (6) has second collar flange (6-1) radially, has flange outside thread (6-2) on second collar flange (6-1), and the flange outside thread (6-2) on second collar flange (6-1) of the anterior endoporus of said nut (7) and second joint (6) is threaded; Insulating bush (2) is housed between the periphery of rear portion endoporus and first joint (1); The rear end of nut (7) has snap close step (7-1), and snap close step (7-1) is against on the insulating bush (2), it is characterized in that:
Have first outside thread (1-2) away from first collar flange (1-1) portion on a, said first joint (1), between first outside thread (1-2) and first collar flange (1-1), be provided with first hexagon head (1-3),
Have second outside thread (6-3) away from second collar flange (6-1) portion on b, said second joint (6), between second outside thread (6-3) and second collar flange (6-1), be provided with second hexagon head (6-4).
2. insulating oil pipe joint according to claim 1 is characterized in that: the free end of said first joint (1) has the conical surface (1-4).
3. insulating oil pipe joint according to claim 1 is characterized in that: the free end of said second joint (6) has the conical surface (6-5).
4. insulating oil pipe joint according to claim 1; It is characterized in that: the counterface of said first joint (1) has rectangular first annular recess (1-5) of cross section one; First seal ring (3) is contained in first annular recess (1-5), and the somewhat larger in diameter of said first seal ring (3) is in the degree of depth of first annular recess (1-5).
5. insulating oil pipe joint according to claim 1; It is characterized in that: the counterface of said second joint (6) has rectangular second annular recess (6-6) of cross section one; Second seal ring (5) is contained in second annular recess (6-6), and the somewhat larger in diameter of said second seal ring (5) is in the degree of depth of second annular recess (6-6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120391585 CN202338711U (en) | 2011-10-15 | 2011-10-15 | Insulated oil pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120391585 CN202338711U (en) | 2011-10-15 | 2011-10-15 | Insulated oil pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202338711U true CN202338711U (en) | 2012-07-18 |
Family
ID=46487402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120391585 Expired - Fee Related CN202338711U (en) | 2011-10-15 | 2011-10-15 | Insulated oil pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202338711U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048119A (en) * | 2014-05-20 | 2014-09-17 | 苏州好特斯模具有限公司 | Oil pipe adapter for multiple-sealing oil cylinder |
| CN104075054A (en) * | 2014-06-30 | 2014-10-01 | 常州市瑞泰工程机械有限公司 | Hydraulic insulating joint |
| CN107035927A (en) * | 2016-11-30 | 2017-08-11 | 广东顺德太昌客车空调有限公司 | A kind of new energy car electric air-conditioning pipeline insulation joint |
-
2011
- 2011-10-15 CN CN 201120391585 patent/CN202338711U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048119A (en) * | 2014-05-20 | 2014-09-17 | 苏州好特斯模具有限公司 | Oil pipe adapter for multiple-sealing oil cylinder |
| CN104075054A (en) * | 2014-06-30 | 2014-10-01 | 常州市瑞泰工程机械有限公司 | Hydraulic insulating joint |
| CN107035927A (en) * | 2016-11-30 | 2017-08-11 | 广东顺德太昌客车空调有限公司 | A kind of new energy car electric air-conditioning pipeline insulation joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213022, Changzhou, Jiangsu New District hi tech park, building B, block Co-patentee after: CRRC QISHUYAN INSTITUTE CO., LTD. Patentee after: Changzhou Ruitai Engineering Machinery Co., Ltd. Address before: 213022, Changzhou, Jiangsu New District hi tech park, building B, block Co-patentee before: Nanche Qisuyan Engine and Vehicle Technics Institute Co., Ltd. Patentee before: Changzhou Ruitai Engineering Machinery Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20191015 |