阅读说明：本技术 一种用于车辆液压系统外接泵站用油管快速接头 (Oil pipe quick connector for external pump station of vehicle hydraulic system ) 是由 胡际万 王永杰 朱磊 谢武德 王晓明 邓会来 连文浩 杨小龙 李健健 黄晟 汪育 于 2020-07-03 设计创作，主要内容包括：本发明属于油管快速接头技术领域,尤其是一种用于车辆液压系统外接泵站用油管快速接头,针对现有的油管快速接头,安装方式过于简单,固定效果差,且接头内对油品进行过滤的滤网,拆卸时不方便的问题。现提出如下方案,其包括连接件,所述连接件的两端分别设有进油口与出油口,进油口与出油口的内部均活动连接有滤网,两个滤网的一侧均设有活动连接在进油口与出油口内的密封圈一。本发明中,在锁环的作用下,能够快速对连接件与对接管之间的安装固定,其操作方便,固定效果好,方便拆卸,通过弹出机构,其滤网拆卸时简单快速,方便对滤网进行拆卸更换,同时在拆卸的同时能够使圆环刮板对连接件内壁油垢进行刮除。(The invention belongs to the technical field of quick connectors of oil pipes, in particular to a quick connector of an oil pipe for an external pump station of a vehicle hydraulic system, which aims at solving the problems that the existing quick connector of the oil pipe is too simple in installation mode and poor in fixing effect, and a filter screen for filtering oil in the connector is inconvenient to disassemble. The following scheme is proposed, and the oil filter comprises a connecting piece, wherein an oil inlet and an oil outlet are respectively arranged at two ends of the connecting piece, filter screens are movably connected in the oil inlet and the oil outlet, and a first sealing ring movably connected in the oil inlet and the oil outlet is arranged on one side of each of the two filter screens. According to the invention, under the action of the locking ring, the installation and fixation between the connecting piece and the butt joint pipe can be rapidly carried out, the operation is convenient, the fixation effect is good, the disassembly is convenient, the filter screen is simply and rapidly disassembled through the pop-up mechanism, the disassembly and the replacement of the filter screen are convenient, and simultaneously, the annular scraper can scrape oil dirt on the inner wall of the connecting piece.)

1. An oil pipe quick connector for an external pump station of a vehicle hydraulic system comprises a connecting piece (1) and is characterized in that two ends of the connecting piece (1) are respectively provided with an oil inlet and an oil outlet, filter screens (2) are movably connected inside the oil inlet and the oil outlet, a first sealing ring (3) movably connected inside the oil inlet and the oil outlet is arranged on one side of each of the two filter screens (2), butt-jointed pipes (4) are movably inserted inside the oil inlet and the oil outlet, locking rings (5) are connected between the two butt-jointed pipes (4) and the connecting piece (1) in a threaded manner, fixed cylinders (6) are fixed on two sides of the outer wall of the connecting piece (1), ejection mechanisms (7) are connected between the two fixed cylinders (6) and the two filter screens (2), and two ring scrapers (8) movably installed inside the connecting piece (1) are arranged between the two, two installation rods (9) are installed between two circular scraper blades (8) and two filter screens (2), two ends of the two installation rods (9) are connected with rotating shafts (10) in a rotating mode, the outer side of each rotating shaft (10) is fixedly provided with a cross insert block (11), cross slots (13) matched with the cross insert blocks (11) are formed in the circular scraper blades (8) and the filter screens (2), and clamping mechanisms (12) are connected between the cross slots (13) and the cross insert blocks (11).

2. The quick connector for the oil pipe for the external pump station of the vehicle hydraulic system according to claim 1, wherein the ejection mechanism (7) comprises a movable block (701) which is slidably connected in a fixed cylinder (6), guide blocks (702) are fixed at both ends of the movable block (701), and a guide groove matched with the guide blocks (702) is formed in the inner wall of the fixed cylinder (6).

3. The quick connector for the oil pipe of the external pump station of the vehicle hydraulic system is characterized in that a first spring (703) is fixed between one side of the movable block (701) and the inner wall of the fixed cylinder (6), and a supporting rod (704) fixed on the filter screen (2) is arranged on the other side of the movable block (701).

4. The quick connector for the oil pipe for the external pump station of the vehicle hydraulic system according to claim 1, wherein the connecting member (1) and the fixed cylinder (6) are both provided with a movable hole matched with the abutting rod (704), and the inner wall of the movable hole is provided with a second sealing ring.

5. The quick oil pipe joint for the external pump station of the vehicle hydraulic system according to claim 1, wherein the clamping mechanism (12) comprises a first inner cavity (1201) formed in a cross-shaped insert block (11), the rotating shaft (10) extends into the first inner cavity (1201) and is fixed with a rotating column (1202), insert rods (1203) slidably connected into the cross-shaped insert block (11) are arranged around the rotating column (1202), movable grooves matched with the four insert rods (1203) are formed in the cross-shaped insert block (11), the movable grooves are communicated with the first inner cavity (1201), and arc-shaped first grooves (1204) matched with one ends of the four insert rods (1203) are formed in the rotating column (1202).

6. The quick connector for the oil pipe of the external pump station of the vehicle hydraulic system according to claim 5, wherein one side of each of the four first arc-shaped grooves (1204) is provided with an arc-shaped block (1209) fixedly connected to the rotating column (1202), and each of the four arc-shaped blocks (1209) is provided with a second arc-shaped groove (1210) matched with one end of each of the four insertion rods (1203).

7. The oil pipe quick connector for the external pump station of the vehicle hydraulic system according to claim 5, wherein the side walls of the four insertion rods (1203) are fixed with connecting blocks (1205), one sides of the four movable grooves are provided with two inner cavities (1206) matched with the four connecting blocks (1205), one ends of the four connecting blocks (1205) are fixed with moving blocks (1207), the inner walls of the two inner cavities (1206) are provided with moving grooves matched with the moving blocks (1207), and two springs (1208) are fixed between one ends of the four connecting blocks (1205) and the inner walls of the two inner cavities (1206).

8. The quick connector for the oil pipe of the external pump station of the vehicle hydraulic system according to claim 1, wherein the inner walls of the cross-shaped slots (13) are provided with jacks (1211) matched with the four insertion rods (1203).

Technical Field

The invention relates to the technical field of oil pipe quick connectors, in particular to an oil pipe quick connector for an external pump station of a vehicle hydraulic system.

Background

The oil pipe joint is used for being provided with quick-operation joint in oil inlet and oil-out department, can directly be applied to special type vehicle, in addition, the later stage can be through the quick-operation joint of development different grade type to the vehicle of other models is applied to in the popularization.

The existing oil pipe quick connector is too simple in installation mode between the connector and a pipe fitting connected with a corresponding oil inlet and a corresponding oil outlet, the fixing effect is poor, a filter screen for filtering oil is arranged in the connector, the disassembly is inconvenient, in addition, when the filter screen is disassembled, oil dirt on the inner wall of the connector cannot be scraped, and therefore the oil pipe quick connector for the external pump station of the vehicle hydraulic system is designed.

Disclosure of Invention

The invention provides an oil pipe quick connector for an external pump station of a vehicle hydraulic system, which solves the problems that the existing oil pipe quick connector is too simple in installation mode and poor in fixing effect, and a filter screen for filtering oil in the connector is inconvenient to disassemble.

In order to achieve the purpose, the invention adopts the following technical scheme:

a quick connector of an oil pipe for an external pump station of a vehicle hydraulic system comprises a connecting piece, wherein two ends of the connecting piece are respectively provided with an oil inlet and an oil outlet, filter screens are movably connected inside the oil inlet and the oil outlet, one side of each filter screen is provided with a first sealing ring movably connected inside the oil inlet and the oil outlet, a butt joint pipe is movably inserted inside the oil inlet and the oil outlet, a locking ring is connected between the two butt joint pipes and the connecting piece in a threaded manner, two sides of the outer wall of the connecting piece are respectively fixed with a fixed cylinder, an ejection mechanism is connected between the two fixed cylinders and the two filter screens, two ring scrapers movably arranged inside the connecting piece are arranged between the two fixed cylinders, two mounting rods are respectively arranged between the two ring scrapers and the two filter screens, two ends of the two mounting rods are respectively rotatably connected with a rotating shaft, the circular ring scraper and the filter screen are both provided with cross slots matched with the cross insertion blocks, and clamping mechanisms are connected between the cross slots and the cross insertion blocks.

Preferably, the pop-up mechanism comprises a movable block which is connected in the fixed cylinder in a sliding manner, guide blocks are fixed at two ends of the movable block, and guide grooves matched with the guide blocks are formed in the inner wall of the fixed cylinder.

Preferably, a first spring is fixed between one side of the movable block and the inner wall of the fixed cylinder, and a supporting rod fixed on the filter screen is arranged on the other side of the movable block.

Preferably, the connecting piece and the fixed cylinder are both provided with a movable hole matched with the abutting rod, and the inner wall of the movable hole is provided with a second sealing ring.

Preferably, the clamping mechanism comprises a first inner cavity arranged in the cross-shaped inserting block, the rotating shaft extends into the first inner cavity and is fixed with a rotating column, inserting rods connected in the cross-shaped inserting block in a sliding mode are arranged on the periphery of the rotating column, movable grooves matched with four inserting rods are formed in the cross-shaped inserting block, the movable grooves are communicated with the first inner cavity, and first arc-shaped grooves matched with one ends of the four inserting rods are formed in the rotating column.

Preferably, four arc-shaped blocks fixedly connected to the rotating column are arranged on one side of the first arc-shaped groove, and a second arc-shaped groove matched with one end of each of the four inserting rods is formed in each of the four arc-shaped blocks.

Preferably, the side walls of the four insertion rods are respectively fixed with a connecting block, one side of each movable groove is provided with a second inner cavity matched with the four connecting blocks, one end of each connecting block is fixed with a movable block, the inner wall of each second inner cavity is provided with a movable groove matched with the movable block, and a second spring is respectively fixed between one end of each connecting block and the inner wall of each second inner cavity.

Preferably, the inner wall of the cross-shaped slot is provided with jacks matched with the four insertion rods.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, under the action of the locking ring, the connecting piece and the butt joint pipe can be quickly installed and fixed, and the butt joint pipe is convenient to operate, good in fixing effect and convenient to disassemble.

2. In the ejection mechanism, under the matching of the movable block, the guide block, the first spring and the abutting rod, the locking ring is unscrewed, the abutting rod connected with the filter screen can move outwards under the reaction action of the first spring, and simultaneously, the annular scraper is communicated with the filter screen to bounce together, and scrapes oil dirt on the inner wall of the connecting piece.

3. In the clamping mechanism, through the matching of an inner cavity I, a rotating column, inserting rods, an arc groove I, a connecting block, an inner cavity II, a moving block, a spring II, an arc block, an arc groove II and a jack, a cross inserting block with one end of two mounting rods rotatably connected is inserted into a cross inserting groove formed on the frame of a filter screen of the cross inserting block, a cross inserting block with the other end of two mounting rods rotatably connected is inserted into a cross inserting groove formed on a ring scraper of the cross inserting block, the cross inserting block is inserted into the cross inserting groove and limited and can not rotate any more, the mounting rods can be rotated manually, the rotating column connected with a rotating shaft connected with the mounting rods rotates in the inner cavity I, when the rotating column rotates, the arc ends of the four inserting rods respectively leave the arc groove I, and when the rotating column rotates, in curved one end can get into the arc recess two of arc piece on its four inserted bars, then its inserted bar passes through the connecting block and removes, its movable block compresses spring two, and four inserted bars can follow the activity inslot and shift out to insert four jacks of seting up on the inner wall of cross slot, thereby realize installing fixedly between filter screen and the ring scraper blade, through above setting, can conveniently be to the scraper blade, the dismantlement work between installation pole and the filter screen, the convenience is dismantled clearance or is changed the scraper blade.

Drawings

FIG. 1 is a schematic structural diagram of an upright view of a quick connector of an oil pipe for an external pump station of a vehicle hydraulic system, according to the present invention;

FIG. 2 is a schematic structural diagram of a circular scraper for a quick connector of an oil pipe for an external pump station of a vehicle hydraulic system, according to the present invention;

FIG. 3 is a schematic structural diagram of a clamping mechanism of an oil pipe quick coupling for an external pump station of a vehicle hydraulic system according to the present invention;

FIG. 4 is an enlarged schematic structural view of a portion A of the quick connector for the oil pipe for the external pump station of the vehicle hydraulic system, which is provided by the invention;

fig. 5 is an enlarged structural schematic diagram at a position B of the quick connector for the oil pipe for the external pump station of the vehicle hydraulic system, which is provided by the invention.

In the figure: 1. a connecting member; 2. filtering with a screen; 3. a first sealing ring; 4. butt-joint pipes; 5. a locking ring; 6. a fixed cylinder; 7. an ejection mechanism; 701. a movable block; 702. a guide block; 703. a first spring; 704. a support rod; 8. a circular scraper plate; 9. mounting a rod; 10. a rotating shaft; 11. a cross-shaped insert block; 12. a chucking mechanism; 1201. a first inner cavity; 1202. rotating the column; 1203. inserting a rod; 1204. a first arc-shaped groove; 1205. connecting blocks; 1206. a second inner cavity; 1207. a moving block; 1208. a second spring; 1209. an arc-shaped block; 1210. a second arc-shaped groove; 1211. a jack; 13. a cross-shaped slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.