CN204477540U - Cross oil draining bolt auxiliary connection - Google Patents
Cross oil draining bolt auxiliary connection Download PDFInfo
- Publication number
- CN204477540U CN204477540U CN201420734214.7U CN201420734214U CN204477540U CN 204477540 U CN204477540 U CN 204477540U CN 201420734214 U CN201420734214 U CN 201420734214U CN 204477540 U CN204477540 U CN 204477540U
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- oil
- draining bolt
- oil draining
- mistake
- oily
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Abstract
The utility model discloses one and cross oil draining bolt auxiliary connection, the oily joint of mistake comprising oil draining bolt and be connected by screw-thread fit with mistake oil draining bolt, the screw rod crossing oil draining bolt is provided with oil channel vertically and screw rod sidewall is provided with and crosses oil to the oil-through hole be communicated with this, cross oily joint and comprise barrel-shaped joint body, cross oily joint body two ends and be provided with the screw coordinated with mistake oil draining bolt, cross oily joint inside to be provided with and barrel-shapedly to cross oil pocket and this internal diameter crossing oil pocket to be reduced gradually to two ends by centre and crosses the diameter that oil pocket minimum diameter is not less than screw, it is of the present utility model that oil draining bolt auxiliary connection can under the prerequisite not increasing oily joint dimension size excessively, weaken liquid to crossing oily inner chamber percussion to improve oily joint working life and reliability.
Description
Technical field
The utility model relates to engine lubrication system part field, and specifically one crosses oil draining bolt auxiliary connection.
Background technique
Cross the tapped through hole that oil (water, gas) bolt is used in fuel oil on canned motor, machine oil, water, feed channel.At present, cross oil draining bolt usually and the oily joint of the female mistake of tool with the use of, cross the cavity that oily joint inside has certain space, in use, liquid is introduced into the oil-through hole passing through oil draining bolt in this cavity inherence and enters and be in oil draining bolt, after liquid arrives this cavity, due to the change of flow area and the flow direction, liquid can produce larger impulse force in this cavity, the inner chamber of the oily joint of existing mistake is generally circular cylindrical cavity, this cavity there will be serious surface erosion under the long-term impact left and right of fluid, affects the working life of oily joint.
Therefore, for overcoming the above problems, need a kind of can under the prerequisite not increasing oily joint dimension size, weaken liquid and cross oil draining bolt auxiliary connection to crossing oily inner chamber percussion with what improved oily joint working life and reliability.
Model utility content
In view of this, the purpose of this utility model overcomes defect of the prior art, there is provided a kind of and under the prerequisite not increasing oily joint dimension size, liquid can be weakened to the oily inner chamber percussion of mistake to improve the oil draining bolt auxiliary connection excessively in oily joint working life and reliability.
Oil draining bolt auxiliary connection excessively of the present utility model, the oily joint of mistake comprising oil draining bolt and be connected by screw-thread fit with described oil draining bolt excessively, the described screw rod crossing oil draining bolt is provided with oil channel vertically and screw rod sidewall is provided with the oil-through hole be communicated with this oil channel, the oily joint of described mistake comprises barrel-shaped joint body, the oily joint body two ends of described mistake are provided with and cross the screw that coordinates of oil draining bolt, and described mistake oily joint inside is provided with barrel-shapedly crosses oil pocket and this internal diameter crossing oil pocket to be reduced gradually to two ends by centre and mistake oil pocket minimum diameter is not less than the diameter of screw;
Further, described oil-through hole is evenly distributed with multiple along crossing oil draining bolt circumference;
Further, described barrel-shaped joint body sidewall is provided with for jack oily with the mistake of oil pipe grafting;
Further, the oily jack of described mistake is the cone shape hole that outside internal diameter is greater than inner side internal diameter;
Further, throttle element has been provided with in described oil-through hole.
Further, seal ring is provided with between the oily joint of described mistake and mistake oil draining bolt head;
Further, the described oil-through hole distance be bottom oil draining bolt screw rod was greater than the axial height of oil pocket.
The beneficial effects of the utility model are: oil draining bolt auxiliary connection excessively of the present utility model, the inner chamber crossing oily joint is that middle internal diameter is large, the barrel-shaped inner cavity that two ends internal diameter is little, compare existing cylindrical cavity, the internal surface surface area of this barrel-shaped inner cavity is comparatively large, therefore, it is possible to effectively reduce liquid to the pressure crossing oily joint inner chamber, on the other hand, the arc-shaped inner surface of barrel-shaped inner cavity effectively can cut down the percussion of liquid, greatly improves the working life of oily joint.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is the structural representation of the oily joint of mistake of the present utility model;
Fig. 2 is the structural representation crossing oil draining bolt of the present utility model.
Embodiment
Fig. 1 is the structural representation of the oily joint of mistake of the present utility model; Fig. 2 is the structural representation crossing oil draining bolt of the present utility model.The oil draining bolt auxiliary connection excessively of the present embodiment, the oily joint of mistake comprising oil draining bolt and be connected by screw-thread fit with described oil draining bolt excessively, the described screw rod crossing oil draining bolt is provided with oil channel 7 vertically and screw rod sidewall is provided with the oil-through hole 8 be communicated with this oil channel 7, the oily joint of described mistake comprises barrel-shaped joint body 5, described mistake oily joint body 5 two ends are provided with the screw 3 coordinated with mistake oil draining bolt, described mistake oily joint inside is provided with barrel-shapedly crosses oil pocket and this internal diameter crossing oil pocket to be reduced gradually to two ends by centre and crosses the diameter that oil pocket minimum diameter is not less than screw 3, the inner chamber 4 crossing oily joint is that middle internal diameter is large, the barrel-shaped inner cavity 4 that two ends internal diameter is little, compare existing cylindrical cavity 4, the internal surface surface area of this barrel-shaped inner cavity 4 is larger, therefore, it is possible to effectively reduce liquid to the pressure crossing oily joint inner chamber 4, on the other hand, the arc-shaped inner surface of barrel-shaped inner cavity 4 effectively can cut down the percussion of liquid, greatly improved the working life of oily joint.
In the present embodiment, described oil-through hole 8 is evenly distributed with multiple along crossing oil draining bolt circumference, thus increase the liquid communication section area entered in oil draining bolt, reduce the flow resistance of liquid, on the other hand, this oil-through hole 8 be uniformly distributed circumferentially can make oil draining bolt external force suffered in the course of the work comparatively balance, and avoids oil draining bolt after long-term use concentrated wear to occur, and improves its working life.
In the present embodiment, described barrel-shaped joint body 5 sidewall is provided with for jack 2 oily with the mistake of oil pipe 1 grafting, this crosses in oily jack 2 internal thread that can arrange for being fixedly connected with oil pipe 1, and certainly, this internal thread can adopt seal of tube bolt to improve the sealability of link position.
In the present embodiment, the oily jack 2 of described mistake for outside internal diameter be greater than inner side internal diameter cone shape hole 6, the oil pipe 1 be attached thereto can be the flexible pipes such as rubber pipe, this pipeline inserts in the process in cone shape hole 6, oil pipe 1 front end will be subject to the radially inside extruding force in cone shape hole 6 inside, thus the sealability that raising oil pipe 1 is connected with the oily jack 2 of mistake.
In the present embodiment, throttle element has been provided with in described oil-through hole 8, throttle element effectively can control the speed of fluid, pipeline is avoided to occur cavitation, flash distillation, vibration and noise, or oil-through hole 8 can be arranged multiple kink to realize restriction effect, namely oil-through hole 8 comprises the sprue and multiple runner that are interconnected, and sprue one end is communicated with oil channel 7, and the other end is communicated with (not shown) by each runner with the oily joint inner chamber 4 of mistake.
In the present embodiment, be provided with seal ring between the oily joint of described mistake and mistake oil draining bolt head, avoid fluid seepage.
In the present embodiment, described oil-through hole 8 distance be bottom oil draining bolt screw rod was greater than the axial height of oil pocket, therefore adjusted oil draining bolt is passed through relative to the axial position crossing oily joint, can be outer with the circulation realizing blocking fluid by making oil-through hole 8 be positioned at oily joint inner chamber 4 completely.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (7)
1. cross oil draining bolt auxiliary connection for one kind, it is characterized in that: the oily joint of mistake comprising oil draining bolt and be connected by screw-thread fit with described oil draining bolt excessively, the described screw rod crossing oil draining bolt is provided with oil channel vertically and screw rod sidewall is provided with the oil-through hole be communicated with this oil channel, the oily joint of described mistake comprises barrel-shaped joint body, the oily joint body two ends of described mistake are provided with and cross the screw that coordinates of oil draining bolt, and described mistake oily joint inside is provided with barrel-shapedly crosses oil pocket and this internal diameter crossing oil pocket to be reduced gradually to two ends by centre and mistake oil pocket minimum diameter is not less than the diameter of screw.
2. oil draining bolt auxiliary connection excessively according to claim 1, is characterized in that: described oil-through hole is evenly distributed with multiple along crossing oil draining bolt circumference.
3. oil draining bolt auxiliary connection excessively according to claim 2, is characterized in that: described barrel-shaped joint body sidewall is provided with for jack oily with the mistake of oil pipe grafting.
4. oil draining bolt auxiliary connection excessively according to claim 3, is characterized in that: the oily jack of described mistake is the cone shape hole that outside internal diameter is greater than inner side internal diameter.
5. oil draining bolt auxiliary connection excessively according to claim 4, is characterized in that: be provided with throttle element in described oil-through hole.
6. oil draining bolt auxiliary connection excessively according to claim 5, is characterized in that: be provided with seal ring between the oily joint of described mistake and mistake oil draining bolt head.
7. oil draining bolt auxiliary connection excessively according to claim 6, is characterized in that: the described oil-through hole distance be bottom oil draining bolt screw rod was greater than the axial height of oil pocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734214.7U CN204477540U (en) | 2014-11-27 | 2014-11-27 | Cross oil draining bolt auxiliary connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734214.7U CN204477540U (en) | 2014-11-27 | 2014-11-27 | Cross oil draining bolt auxiliary connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204477540U true CN204477540U (en) | 2015-07-15 |
Family
ID=53633331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420734214.7U Active CN204477540U (en) | 2014-11-27 | 2014-11-27 | Cross oil draining bolt auxiliary connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204477540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594971A (en) * | 2014-11-27 | 2015-05-06 | 重庆小康工业集团股份有限公司 | Bolt connection pair provided with oil passage |
-
2014
- 2014-11-27 CN CN201420734214.7U patent/CN204477540U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594971A (en) * | 2014-11-27 | 2015-05-06 | 重庆小康工业集团股份有限公司 | Bolt connection pair provided with oil passage |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |