CN209012485U - A kind of vehicle delivery valve valve core structure - Google Patents

Abstract

The utility model discloses a kind of vehicle delivery valve valve core structures, including spool, the spool is integrally in cylindrical shape, the upper and lower side of the spool lateral surface is respectively equipped with the first annular groove and the second annular groove, the lower surface of the spool is equipped with lower vallecular cavity, attachment base is equipped in the lower vallecular cavity, the upper surface of the attachment base is equipped with tapped blind hole, the lower surface of the attachment base is equipped with fixture block, this vehicle delivery valve valve core structure, structure is simple, facilitate and is produced and processed, sealing ring can be set in first annular groove and the second annular groove, guarantee spool activity when and valve body leakproofness, pass through fixture block fixed spring, fixture block is threadedly coupled with attachment base with stud, conveniently it is combined installation, guide pipe can avoid spring and generate distortion in compression, upper vallecular cavity is closed by sealing cover, guarantee the planarization of spool upper surface, oil pressure when ensure that fuel-displaced Stability, while being conveniently opened and closed, it is convenient to install and overhaul.

Description

A kind of vehicle delivery valve valve core structure

Technical field

The utility model relates to delivery valve technical field, specially a kind of vehicle delivery valve valve core structure.

Background technique

Delivery valve is a check valve, and under spring pressure effect, valve upper cone face tightly cooperates with valve seat, effect Be stop for when, high-pressure oil pipe and upper end cavity are completely cut off, prevent the oil in high-pressure oil pipe from blowing back into injection pump, but is existing There is the valve core structure of delivery valve simple, the connection and installation with spring are inconvenient, while stabilization is poor, is easily damaged.

Utility model content

The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of vehicle delivery valve valve core structure, Structure is simple, and stability is strong, is easily installed and uses, convenient to be cooperated with spring and valve seat, and assembly efficiency is high, can be effective Solve the problems in background technique.

To achieve the above object, the utility model provides the following technical solutions: a kind of vehicle delivery valve valve core structure, including valve Core, the spool are integrally in cylindrical shape, and the upper and lower side of the spool lateral surface is respectively equipped with the first annular groove and the second annular groove, institute The lower surface for stating spool is equipped with lower vallecular cavity, attachment base is equipped in the lower vallecular cavity, it is blind that the upper surface of the attachment base is equipped with screw thread Hole, the lower surface of the attachment base are equipped with fixture block, and the upper surface of the spool is equipped with upper vallecular cavity, the marginal position of the upper vallecular cavity It is fixed with sealing ring, thread plate is equipped in the upper vallecular cavity, the upper surface of the thread plate is equipped with hexagonal blind hole, the spiral shell The lower surface of card is fixed with stud, and the valve core inside is equipped with the axis hole for being connected to lower vallecular cavity and upper vallecular cavity, under the stud In the tapped blind hole that axis hole extends to attachment base, the upper surface of the thread plate is equipped with sealing cover, table on the spool at end Face marginal position is fixed with gasket ring.

As a kind of optimal technical scheme of the utility model, the left and right side of the attachment base is relatively fixed sliding block, Spool medial surface position corresponding with sliding block is equipped with the sliding slot of vertical direction.

As a kind of optimal technical scheme of the utility model, guide pipe, the guiding are fixed in the middle part of the fixture block The lower end outside face of pipe is equipped with chamfering.

As a kind of optimal technical scheme of the utility model, the sealing cover includes cover board, the upper surface of the cover board It is fixed with fixed plate, the fixed plate is in " ten " font.

As a kind of optimal technical scheme of the utility model, the lower surface of the cover board is fixed with screwed pipe, the spiral shell Line pipe is threadedly coupled with thread plate.

Compared with prior art, the utility model has the beneficial effects that this vehicle delivery valve valve core structure, structure is simple, side Just it is produced and is processed, can set sealing ring in the first annular groove and the second annular groove, when guaranteeing spool activity and the leakproofness of valve body, By fixture block fixed spring, fixture block is threadedly coupled with attachment base with stud, is conveniently combined installation, and guide pipe can avoid spring Distortion is generated in compression, upper vallecular cavity is closed by sealing cover, guarantees the planarization of spool upper surface, when ensure that fuel-displaced The stability of oil pressure, while being conveniently opened and closed, it is convenient to install and overhaul.

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the utility model section structural schematic diagram.

In figure: 1 spool, 101 first annular grooves, 102 second annular grooves, 103 sliding slots, 2 lower vallecular cavities, 3 attachment bases, 301 sliding blocks, 4 It is fixture block, 401 guide pipes, vallecular cavity on 5,501 sealing rings, 6 thread plates, 601 blind holes, 7 studs, 8 sealing covers, 801 cover boards, 802 solid Fixed board, 803 screwed pipes, 9 gasket rings.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of vehicle delivery valve valve core structure, including spool 1, whole spool 1 is in cylindrical shape, and the upper and lower side of 1 lateral surface of spool is respectively equipped with the first annular groove 101 and the second annular groove 102, valve The lower surface of core 1 is equipped with lower vallecular cavity 2, and attachment base 3 is equipped in lower vallecular cavity 2, and the upper surface of attachment base 3 is equipped with tapped blind hole, connection The left and right side of seat 3 is relatively fixed sliding block 301, and 1 medial surface of spool position corresponding with sliding block 301 is equipped with the cunning of vertical direction The lower surface of slot 103, attachment base 3 is equipped with fixture block 4, and the middle part of fixture block 4 is fixed with guide pipe 401, the lower end outside of guide pipe 401 Face is equipped with chamfering, and the upper surface of spool 1 is equipped with upper vallecular cavity 5, and the marginal position of upper vallecular cavity 5 is fixed with sealing ring 501, upper vallecular cavity 5 Interior to be equipped with thread plate 6, the upper surface of thread plate 6 is equipped with hexagonal blind hole 601, and the lower surface of thread plate 6 is fixed with stud 7, The axis hole for being connected to lower vallecular cavity 2 and upper vallecular cavity 5 is equipped with inside spool 1, the lower end of stud 7 passes through the spiral shell that axis hole extends to attachment base 3 In line blind hole, the upper surface of thread plate 6 is equipped with sealing cover 8, and sealing cover 8 includes cover board 801, and the upper surface of cover board 801 is fixed with Fixed plate 802, fixed plate 802 are in " ten " font, and the lower surface of cover board 801 is fixed with screwed pipe 803, screwed pipe 803 and screw thread Plate 6 is threadedly coupled, and 1 top surface edge position of spool is fixed with gasket ring 9, this vehicle delivery valve valve core structure, structure is simple, it is convenient into Row production and processing, sealing ring 501 can be set in the first annular groove 101 and the second annular groove 102, when guaranteeing 1 activity of spool and valve body Leakproofness, by 4 fixed spring of fixture block, fixture block 4 is threadedly coupled with attachment base 3 with stud 7, is conveniently combined installation, guiding Pipe 401 can avoid spring and generate distortion in compression, and upper vallecular cavity 2 is closed by sealing cover 8, guarantee 1 upper surface of spool Planarization, the stability of oil pressure when ensure that fuel-displaced, while being conveniently opened and closed, it is convenient to install and overhaul.

When in use: by the upper end of 4 fixed spring of fixture block, attachment base 3 being placed in the lower vallecular cavity 2 of spool 1, sliding block is made 301 are stuck in sliding slot 103, above push away attachment base 3 to the top of lower vallecular cavity 2, the stud 7 of 6 downside of thread plate is passed through 1 middle part of spool Axis hole, be threaded to the lower end of stud 7 in the tapped blind hole of attachment base 3, rotary seal cap 8 is socketed in 803 screw thread of screwed pipe The outside of thread plate 6, and cover board 801 is contacted with sealing ring 501.

The utility model structure is simple, and stability is strong, is easily installed and uses, is hardly damaged, convenient and spring and valve seat Cooperated, assembly or disassembly is high-efficient, while facilitating the replacement for carrying out part, reduces maintenance cost.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of vehicle delivery valve valve core structure, including spool (1), it is characterised in that: the spool (1) is integrally in cylindrical shape, The upper and lower side of spool (1) lateral surface is respectively equipped with the first annular groove (101) and the second annular groove (102), under the spool (1) Surface is equipped with lower vallecular cavity (2), is equipped with attachment base (3) in the lower vallecular cavity (2), and the upper surface of the attachment base (3) is equipped with screw thread Blind hole, the lower surface of the attachment base (3) are equipped with fixture block (4), and the upper surface of the spool (1) is equipped with upper vallecular cavity (5), it is described on The marginal position of vallecular cavity (5) is fixed with sealing ring (501), is equipped with thread plate (6) in the upper vallecular cavity (5), the thread plate (6) Upper surface be equipped with hexagonal blind hole (601), the lower surface of the thread plate (6) is fixed with stud (7), the spool (1) Inside is equipped with the axis hole for being connected to lower vallecular cavity (2) and upper vallecular cavity (5), and the lower end of the stud (7) passes through axis hole and extends to attachment base (3) in tapped blind hole, the upper surface of the thread plate (6) is equipped with sealing cover (8), spool (1) the top surface edge position It is fixed with gasket ring (9).

2. a kind of vehicle delivery valve valve core structure according to claim 1, it is characterised in that: the left and right of the attachment base (3) Side is relatively fixed to be had sliding block (301), and spool (1) medial surface position corresponding with sliding block (301) is equipped with vertical direction Sliding slot (103).

3. a kind of vehicle delivery valve valve core structure according to claim 1, it is characterised in that: the middle part of the fixture block (4) is solid Surely have guide pipe (401), the lower end outside face of the guide pipe (401) is equipped with chamfering.

4. a kind of vehicle delivery valve valve core structure according to claim 1, it is characterised in that: the sealing cover (8) includes lid The upper surface of plate (801), the cover board (801) is fixed with fixed plate (802), and the fixed plate (802) is in " ten " font.

5. a kind of vehicle delivery valve valve core structure according to claim 4, it is characterised in that: the following table of the cover board (801) Face is fixed with screwed pipe (803), and the screwed pipe (803) is threadedly coupled with thread plate (6).