CN209370504U

CN209370504U - Intake valve

Info

Publication number: CN209370504U
Application number: CN201920032280.2U
Authority: CN
Inventors: 程言明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-09
Filing date: 2019-01-09
Publication date: 2019-09-10
Anticipated expiration: 2029-01-09

Abstract

The utility model discloses a kind of intake valves, including valve seat, valve casing, connector and valve deck, the valve seat includes valve plate and the fixed column on valve plate, the valve plate offers air passing hole on fixed column periphery, the fixed column offers the first blind hole of upper end opening, and fixed column side offers the first air inlet, the connector lower part is fixed in the first blind hole of fixed column, the connector offers through-hole in vertical direction, the valve deck is equipped with the second blind hole of lower ending opening, second blind hole of the valve deck covers connector upper end and can slide up and down along connector, valve casing includes the cover communicated up and down and the fixed plate for being connected to cover body lower end, the cover side offers the second air inlet corresponding with the first air inlet, valve deck nature lower cover is communicated with air passing hole and valve deck can seal cover upper end.Intake valve provided by the utility model, structure is simple and sound construction.

Description

Intake valve

Technical field

The utility model relates to air compressor machine technical fields, specifically, being related to a kind of intake valve.

Background technique

Intake valve need to be arranged on the admission line of air compressor in air engine gas handling system, controlled and entered by intake valve The current path of air compressor.

Existing intake valve carries out the closing and unlatching of airflow channel in the form of valve block, and control structure is complicated, and Valve block is easily broken off, and service life is low.

Utility model content

The purpose of this utility model is to provide a kind of intake valve, structure is simple and sound construction.

Technical solution used by intake valve disclosed by the utility model is:

A kind of intake valve, including valve seat, valve casing, connector and valve deck, the valve seat include valve plate and on valve plate Fixed column, the valve plate offer air passing hole on fixed column periphery, and the fixed column offers the first blind hole of upper end opening, and Fixed column side offers the first air inlet, and the connector lower part is fixed in the first blind hole of fixed column, the connector Through-hole is offered in vertical direction, and the valve deck is equipped with the second blind hole of lower ending opening, and the second blind hole of the valve deck covers It connector upper end and can be slided up and down along connector, valve casing includes the cover communicated up and down and the fixation for being connected to cover body lower end Plate, the cover side offer the second air inlet corresponding with the first air inlet, and the cover is by valve seat, connector and consolidates Fixed column covers, and first air inlet and the second air inlet communicate, and valve deck nature lower cover is communicated with air passing hole and valve deck Cover upper end can be sealed.

Preferably, the cover upper end diameter becomes smaller to form interior stepped hole, can push up after rising at the top of the valve deck Closely seal stepped hole.

Preferably, gasket seal, gasket seal top after rising at the top of the valve deck are fixed at the top of the valve deck Closely seal main stepped hole.

Preferably, intake valve further includes elastic component, and the elastic component is set between connector and valve deck, and elasticity Part in a state of nature under, cover is communicated with air passing hole.

Preferably, the connector is equipped with counterbore, and counterbore base is fixed in described elastic component one end, and the other end is solid Due to the bottom hole of valve deck blind hole.

Preferably, intake valve further includes anti-vibration ring, and the connector offers annular groove on top, described anti- Grinding ring is set in annular groove, and the anti-vibration ring offers fracture and the outer diameter of anti-vibration ring is bigger than connector outer ring.

Preferably, the fixed column side is equipped with the first attachment base, and first air inlet is set to the first connection Seat.

Preferably, first attachment base end be equipped with washer, the washer be set to the first attachment base end with Between cover inner wall.

Preferably, the second attachment base is equipped in the first attachment base corresponding position on the outside of the cover, described second Air inlet is set to the second attachment base.

Preferably, the valve plate and fixed plate offer screw hole in corresponding position.

The beneficial effect of intake valve disclosed by the utility model is: valve seat is fixed on air compressor, air passing hole and sky The stomata of air compressor is corresponding, and the cover upper end of valve casing connects air inlet pipe, and the connection of the second air inlet adjusts tracheae.Tracheae is adjusted to stop It only is filled with gas to the second air inlet, valve deck is since the pressure of gravity and air inlet pipe is fallen back on connector downwards, valve deck top The gas circuit of portion and cover upper end is opened, and gap of the gas in air inlet pipe between cover and valve deck enters in cover, then from mistake Air passing hole enters air compressor.When air compressor undesirable gas, gas is filled with to the second air inlet by adjusting tracheae Body, gas, by flowing in the second blind hole from the through-hole of connector again after the first air inlet, pass through adjusting gas from the second air inlet The air pressure of pipe jacks up valve deck, and the top of cover is withstood at the top of valve deck, the top of cover is sealed, to separate in air inlet pipe Gas enters cover.The top of cover, good airproof performance are withstood by valve deck, while structure is simple, structural strength is high, uses the longevity Life length.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model intake valve；

Fig. 2 is the schematic diagram of internal structure of the utility model intake valve；

Fig. 3 is the exploded view of the utility model intake valve；

Fig. 4 is the cross-sectional view of the utility model intake valve.

Specific embodiment

The utility model is further elaborated and is illustrated with Figure of description combined with specific embodiments below:

Fig. 1-Fig. 4, a kind of intake valve, including valve seat 10, valve casing 70, connector 20 and valve deck 50 are please referred to, valve seat 10 wraps Valve plate 11 and the fixed column 12 on valve plate 11 are included, valve plate 11 offers air passing hole 15, fixed column 12 on 12 periphery of fixed column The first blind hole of upper end opening is offered, and 12 side of fixed column offers the first air inlet 14, the first air inlet 14 and first Blind hole communicates, and 20 lower part of connector is fixed in the first blind hole of fixed column 12, and 20 lower part of connector and fixed column 12 pass through spiral shell Line is fixed, and connector 20 offers through-hole 22 in vertical direction, and valve deck 50 is equipped with the second blind hole of lower ending opening, valve deck 50 Second blind hole covers 20 upper end of connector and can slide up and down along connector 20, and valve casing 70 includes the cover 72 communicated up and down and connects It is connected to the fixed plate 71 of 72 lower end of cover, 72 side of cover offers second air inlet 74 corresponding with the first air inlet 14, Cover 72 covers valve seat 10, connector 20 and fixed column 12, and the first air inlet 14 and the second air inlet 74 communicate, and valve deck 50 is certainly Right state lower cover 72 is communicated with air passing hole 15 and valve deck 50 can seal 72 upper end of cover.Valve plate 11 and fixed plate 71 are in correspondence Position offers screw hole.

72 upper end diameter of cover becomes smaller to form interior stepped hole, at the top of valve deck 50 rise after can top tight sealing live stepped hole.Valve Gasket seal 60, the main stepped hole of 60 top tight sealing of gasket seal after rising at the top of valve deck 50 are fixed at the top of lid 50.Valve deck 50 pushes up Portion offers annular groove 51, and gasket seal 60 is set in annular groove 51.Better seal effect is played by gasket seal 60.

Intake valve further includes elastic component 40, and elastic component 40 is set between connector 20 and valve deck 50, and elastic component 40 is in Under reset condition, cover 72 is communicated with air passing hole 15.Connector 20 is equipped with counterbore, and counterbore base is fixed in 40 one end of elastic component, The other end is fixed on the bottom hole of 50 blind hole of valve deck.Play the role of reset to valve deck 50 by elastic component 40, elastic component 40 is preferred For spring.

Intake valve further includes anti-vibration ring 30, and connector 20 offers annular groove 21 on top, and anti-vibration ring 30 is set to annular In groove 21, anti-vibration ring 30 offers fracture and the outer diameter of anti-vibration ring 30 is bigger than 20 outer ring of connector.Anti-vibration ring 30 offers disconnected Mouth is easy installation, by wall friction in the second blind hole of anti-vibration ring 30 and valve deck 50, valve deck 50 is avoided directly to rub with connector 20 It wipes, causes serious wear.

12 side of fixed column is equipped with the first attachment base 13, and the first air inlet 14 is set to the first attachment base 13.First attachment base 13 ends are equipped with washer 16, and washer 16 is set between 72 inner wall of 13 end of the first attachment base and cover and plays sealing function.Cover 72 outsides are equipped with the second attachment base 73 in 13 corresponding position of the first attachment base, and the second air inlet 74 is set to the second attachment base 73.The A connecting seat 13 and the second attachment base 73 play firm effect, and the second attachment base 73 can be used for connecting external adjusting tracheae.

In above scheme, valve seat 10 is fixed on air compressor, and air passing hole 15 is corresponding with the stomata of air compressor, valve 72 upper end of cover of shell 70 connects air inlet pipe, and the connection of the second air inlet 74 adjusts tracheae.Tracheae is adjusted to stop to the second air inlet 74 are filled with gas, and valve deck 50 is since the pressure of gravity and air inlet pipe is fallen back on connector 20 downwards, 50 top of valve deck and cover The gas circuit of 72 upper end of body is opened, and gap of the gas in air inlet pipe between cover 72 and valve deck 50 enters in cover 72, then from Air passing hole 15 is crossed into air compressor.When air compressor undesirable gas, by adjusting tracheae to the second air inlet 74 It is filled with gas, gas is from the second air inlet 74 by flowing to the second blind hole from the through-hole 22 of connector 20 again after the first air inlet 14 Interior, the air pressure by adjusting tracheae jacks up valve deck 50, and the top of cover 72 is withstood at the top of valve deck 50, and the top of cover 72 is sealed Firmly, so that the gas separated in air inlet pipe enters cover 72.Withstand the top of cover 72 by valve deck 50, good airproof performance, together When structure it is simple, structural strength is high, long service life.

Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this The spirit and scope of utility model technical solution.

Claims

1. a kind of intake valve, which is characterized in that including valve seat, valve casing, connector and valve deck, the valve seat includes valve plate and is set to Fixed column on valve plate, the valve plate offer air passing hole on fixed column periphery, and the fixed column offers the of upper end opening One blind hole, and fixed column side offers the first air inlet, the connector lower part is fixed in the first blind hole of fixed column, institute It states connector and offers through-hole in vertical direction, the valve deck is equipped with the second blind hole of lower ending opening, and the second of the valve deck Blind hole covers connector upper end and can slide up and down along connector, and valve casing includes the cover communicated up and down and is connected to cover body lower end Fixed plate, the cover side offers the second air inlet corresponding with the first air inlet, and the cover is by valve seat, connection Part and fixed column cover, and first air inlet and the second air inlet communicate, and valve deck nature lower cover is communicated with air passing hole And valve deck can seal cover upper end.

2. intake valve as described in claim 1, which is characterized in that the cover upper end diameter becomes smaller to form interior stepped hole, institute State after rising at the top of valve deck can top tight sealing live stepped hole.

3. intake valve as claimed in claim 2, which is characterized in that be fixed with gasket seal, the valve deck at the top of the valve deck The main stepped hole of gasket seal top tight sealing after top is risen.

4. intake valve as claimed in claim 2, which is characterized in that further include elastic component, the elastic component be set to connector and Between valve deck, and elastic component in a state of nature under, cover is communicated with air passing hole.

5. intake valve as claimed in claim 4, which is characterized in that the connector is equipped with counterbore, and described elastic component one end is solid Due to counterbore base, the other end is fixed on the bottom hole of valve deck blind hole.

6. intake valve as described in any one in claim 1-5, which is characterized in that further include anti-vibration ring, the connector is upper Portion offers annular groove, and the anti-vibration ring is set in annular groove, and the anti-vibration ring offers the outer diameter of fracture and anti-vibration ring It is bigger than connector outer ring.

7. intake valve as claimed in claim 6, which is characterized in that the fixed column side is equipped with the first attachment base, and described the One air inlet is set to the first attachment base.

8. intake valve as claimed in claim 7, which is characterized in that first attachment base end is equipped with washer, the washer Between the first attachment base end and cover inner wall.

9. intake valve as claimed in claim 7, which is characterized in that be equipped on the outside of the cover in the first attachment base corresponding position Second attachment base, second air inlet are set to the second attachment base.

10. intake valve as claimed in claim 6, which is characterized in that the valve plate and fixed plate offer spiral shell in corresponding position Nail hole.