CN210830620U

CN210830620U - Check valve convenient to installation

Info

Publication number: CN210830620U
Application number: CN201921894496.6U
Authority: CN
Inventors: 孙健; 陈水春; 曾瑞萍
Original assignee: Modern Moulds & Tools (xiamen) Ltd
Current assignee: Modern Moulds & Tools (xiamen) Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-23
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a check valve convenient to installation relates to the technical field of check valve, has solved present check valve and need adopt the pressure equipment instrument to carry out the pressure equipment when the equipment, and has wounded operating personnel by mistake easily when borrowing the pressure equipment instrument to carry out the pressure equipment, has certain inconvenient problem, and its technical scheme main points are: including base, case and valve gap, the water inlet has been seted up on the valve gap, the delivery port has been seted up on the base, the case activity sets up on the base, and is provided with the spring that drives the valve core and have closed water inlet trend all the time on the base, the valve gap sets up the joint pin towards one side of base, set up the joint groove that supplies the rotatory joint of joint pin on the perisporium of base, need not to carry out the pressure equipment with the help of the pressure equipment instrument.

Description

Check valve convenient to installation

Technical Field

The utility model relates to a technical field of valve, in particular to check valve convenient to installation.

Background

Check valves are also known as check valves or check valves. For preventing reverse flow of oil in hydraulic systems or for preventing reverse flow of compressed air in pneumatic systems.

The patent of chinese utility model with the publication number CN206802400U proposes a structure of a flow-limiting check valve, which comprises a valve cover and a base that are mutually matched, wherein the valve cover is a column sleeve, the upper end of the valve cover is a water inlet, a flow-limiting body matched with a flow-limiting sealing ring is arranged in the middle of the water inlet, the outer diameter of the flow-limiting sealing ring is smaller than the inner diameter of the water inlet, and a blocking surface is formed inwards on the inner wall of the valve cover below the flow-limiting body; a one-way valve core is movably matched between the blocking surface and the base, and a spring is arranged between the one-way valve core and the base; the check valve core comprises a water stop sheet and a valve rod matched with the lower surface of the water stop sheet, the water stop sheet is matched with a non-return sealing ring, and the minimum inner edge diameter of the blocking surface is smaller than the outer edge diameter of the water stop sheet; the base is a column sleeve, the lower end of the base forms a water outlet surface with a water outlet hole, and the water outlet surface is provided with a limiting column for matching the valve rod.

The check valve can realize the check function, but in order to ensure the connection stability of the valve cover and the base, the check valve needs to be pressed by a press-fitting tool during assembly, and the operator is easily accidentally injured by the press-fitting tool during press-fitting, so that certain inconvenience is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a check valve convenient to installation need not to carry out the pressure equipment with the help of the pressure equipment instrument.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a check valve convenient to installation, includes base, case and valve gap, the water inlet has been seted up on the valve gap, the delivery port has been seted up on the base, the case activity sets up on the base, and is provided with the spring that drives the valve core and have closed water inlet trend all the time on the base, the valve gap sets up the joint pin towards one side of base, set up the joint groove that supplies the rotatory joint of joint pin on the perisporium of base.

Through adopting above-mentioned technical scheme, valve gap and base carry out rotatory joint through card pin and joint groove to accomplish the installation of valve gap and base, the case is located and seals the water inlet of valve gap by spring drive between valve gap and the base, thereby when the rivers direction flows to base one side from the valve gap, thereby water pressure overcomes the elasticity of spring and pushes up the case backward and open the water inlet and intake, and water flows from the delivery port again and realizes intaking.

The utility model discloses further set up to: the joint foot includes vertical section and turns to the spacing section of connection on vertical section, the joint groove includes vertical groove and turns to the spacing groove of intercommunication with vertical groove, the groove width of vertical groove is unanimous with the width of spacing section, the degree of depth of spacing groove is unanimous with the thickness of spacing section.

Through adopting above-mentioned technical scheme, when the equipment, spacing section is advanced to go into vertical inslot, and the tank bottom of spacing section and spacing groove offsets the back, rotates the valve gap, makes spacing section rotatory entering spacing inslot realize the joint.

The utility model discloses further set up to: a sealing ring is arranged on one side face, facing the base, of the valve cover, and the outer side wall of the sealing ring is abutted to the limiting section.

Through adopting above-mentioned technical scheme, through being provided with the sealing washer, when the installation of completion valve gap and base, can strengthen the leakproofness between the two, avoid the emergence of valve gap and base junction phenomenon of leaking.

The utility model discloses further set up to: the base is including outer sleeve and the interior seat that links to each other with the outer sleeve, interior seat is including going out water section and installation section, there is the clearance between the inner wall of play water section and outer sleeve, the delivery port is seted up on the lateral wall of a water section, be provided with the erection column that supplies the spring to wind to establish on the installation section.

Through adopting above-mentioned technical scheme, the spring is around establishing on the erection column, can give the stable elasticity of case, stability when improving the check valve and using.

The utility model discloses further set up to: the mounting column is provided with a movable hole, and the valve core comprises a movable rod sliding in the movable hole and a blocking head for sealing the water outlet.

By adopting the technical scheme, the movable rod of the valve core is movably arranged in the movable hole by arranging the movable hole, so that the use stability of the valve core can be enhanced.

The utility model discloses further set up to: and one side of the blocking head, which is far away from the water outlet, is provided with a mounting groove for clamping one end of the spring.

Through adopting above-mentioned technical scheme, through the setting of mounting groove, can further promote the stability of spring application of force.

The utility model discloses further set up to: and protective sleeves are arranged on the outer sides of the valve cover and the base.

Through adopting above-mentioned technical scheme, through being provided with the protective sheath, link to each other the back at valve gap and base, can avoid the card pin to protect outside.

The utility model discloses further set up to: the check valve further comprises a connecting pipe, connecting threads are arranged at two ends of the connecting pipe, and a reducing ring for the base to abut against is arranged inside the connecting pipe.

Through adopting above-mentioned technical scheme, the connecting pipe can be used for connecting tube to make things convenient for the holistic installation of check valve.

To sum up, the utility model discloses following beneficial effect has:

when the installation, put into the valve gap with the sealing washer earlier on, make the sealing washer offset with the joint foot of valve gap, put into the installation dead slot of base with the spring again, pass the movable rod of case in the spring inserts the movable orifice afterwards, the valve gap that will be equipped with the sealing washer links to each other with the base again, make the rotatory joint in joint groove on the joint foot on the card gap and the base, cover the protective sheath again and cover the outside of valve gap and base and shield the joint foot, send it into the connecting tube at last, make the base offset with the undergauge ring and accomplish the installation, the holistic installation has been made things convenient for.

Drawings

FIG. 1 is a sectional view of the present embodiment;

fig. 2 is an exploded view of the valve cover and base.

In the figure, 1, a base; 11. an outer sleeve; 12. a water outlet section; 121. a water outlet; 13. an installation section; 131. mounting a column; 132. a movable hole; 133. mounting an empty groove; 134. a spring; 14. a clamping groove; 141. a vertical slot; 142. a limiting groove; 2. a valve cover; 21. a water inlet; 22. a card pin; 221. a vertical section; 222. a limiting section; 23. a seal ring; 3. a valve core; 31. plugging a plug; 311. mounting grooves; 32. a movable post; 4. a protective sleeve; 5. a connecting pipe; 51. a reducing ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the utility model provides a check valve convenient to installation, including base 1, case 3 and valve gap 2, wherein base 1 links to each other with valve gap 2, and case 3 sets up between base 1 and valve gap 2.

Referring to fig. 1 and 2, a water inlet 21 for water to enter is formed in the center of the valve cover 2, four clamping pins 22 are arranged on the circumferential edge of one side of the valve cover 2 facing the base 1 at equal intervals, and a clamping groove 14 for the clamping pins 22 to be rotatably clamped is formed in the circumferential wall of the base 1 facing one side of the valve cover 2.

The card foot 22 is the L-shaped structure, it includes vertical section 221 and turns to the spacing section 222 of connecting on vertical section 221, the joint groove 14 includes vertical groove 141 and turns to the spacing groove 142 that communicates with vertical groove 141, wherein the width of the surplus spacing section 222 of groove width of vertical groove 141 is unanimous, the degree of depth of spacing groove 142 is unanimous with the thickness of spacing section 222, when spacing section 222 offsets with the tank bottom of spacing groove 142, vertical section 221 offsets with the lateral wall of vertical groove 141.

The valve cover 2 is provided with a sealing ring 23 on one side facing the base 1, the inner diameter of the sealing ring 23 is smaller than the diameter of the water inlet 21, and the outer wall of the sealing ring 23 abuts against the limiting section 222.

The base 1 comprises an outer sleeve 11 and an inner base connected with the outer sleeve 11, wherein the inner base comprises a water outlet section 12 and a mounting section 13 which are sequentially arranged along the water flow direction. Wherein a gap is formed between the water outlet section 12 and the inner wall of the outer sleeve 11, and a plurality of water outlets 121 are arranged on the outer side wall of the water outlet section 12 at intervals; the diameter of the mounting section 13 is smaller than that of the water outlet section 12, a mounting column 131 is arranged at the central position of the mounting section 13, a mounting empty groove 133 is formed between the inner wall of the mounting section 13 and the mounting column 131, and a spring 134 is arranged in the mounting empty groove 133; a through movable hole 132 is further formed in the mounting column 131, the valve element 3 includes a movable column 32 which slides axially in the movable hole 132 and a sealing head 31 which seals the water outlet 121, one side of the sealing head 31 facing the water outlet 121 is mushroom-head-shaped and is extruded with the sealing ring 23 to seal the water outlet 121, one side of the sealing head 31 facing away from the water outlet 121 is provided with a mounting groove 311 for clamping one end of a spring 134, one end of the spring 134 abuts against the sealing head 31, and the other end abuts against the mounting section 13 to apply force to the sealing head 31 to seal the water outlet 121.

The check valve still includes a connecting pipe 5, has all seted up connecting thread on the inner wall at the both ends of connecting pipe 5, and the inside central point of connecting pipe 5 puts still to be provided with the undergauge ring 51 that supplies base 1 to offset, and the outside cover of valve gap 2 and base 1 is equipped with protective sheath 4, and protective sheath 4 is for having elastic rubber sleeve.

The installation method comprises the following steps:

when the valve cover is installed, the sealing ring 23 is firstly placed on the valve cover 2, so that the sealing ring 23 is abutted against the clamping foot 22 of the valve cover 2; then the spring 134 is put into the mounting empty slot 133 of the base 1, then the movable rod of the valve core 3 passes through the spring 134 and is inserted into the movable hole 132, then the valve cover 2 provided with the sealing ring 23 is connected with the base 1, the clamping pin 22 on the valve cover 2 is rotationally clamped with the clamping slot 14 on the base 1, the protective sleeve 4 is sleeved on the outer sides of the valve cover 2 and the base 1 to shield the clamping pin 22, and finally the clamping pin is sent into the connecting pipe 5, so that the base 1 is abutted against the reducing ring 51 to complete the mounting.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a check valve convenient to installation, includes base (1), case (3) and valve gap (2), its characterized in that, water inlet (21) have been seted up on valve gap (2), delivery port (121) have been seted up on base (1), case (3) activity sets up on base (1), and is provided with on base (1) and drives spring (134) that valve core (3) have closed water inlet (21) trend all the time, valve gap (2) set up card pin (22) towards one side of base (1), set up joint groove (14) that supply the rotatory joint of card pin (22) on the perisporium of base (1).

2. The check valve convenient to install according to claim 1, wherein the clamping pin (22) comprises a vertical section (221) and a limiting section (222) connected to the vertical section (221) in a turning manner, the clamping groove (14) comprises a vertical groove (141) and a limiting groove (142) communicated with the vertical groove (141) in a turning manner, the groove width of the vertical groove (141) is consistent with the width of the limiting section (222), and the depth of the limiting groove (142) is consistent with the thickness of the limiting section (222).

3. An easy-to-install one-way valve according to claim 2, wherein a sealing ring (23) is arranged on a side surface of the valve cover (2) facing the base (1), and an outer side wall of the sealing ring (23) abuts against the limiting section (222).

4. A check valve easy to install according to claim 1, wherein the base (1) comprises an outer sleeve (11) and an inner seat connected to the outer sleeve (11), the inner seat comprises a water outlet section (12) and an installation section (13), a gap exists between the water outlet section (12) and the inner wall of the outer sleeve (11), the water outlet (121) is opened on the side wall of the water outlet section (12), and the installation section (13) is provided with an installation column (131) for the spring (134) to wind around.

5. The check valve convenient to install according to claim 4, wherein the mounting column (131) is provided with a movable hole (132), and the valve core (3) comprises a movable rod sliding in the movable hole (132) and a blocking head (31) for blocking the water outlet (121).

6. The one-way valve convenient to install according to claim 5, wherein a mounting groove (311) for clamping one end of the spring (134) is formed in one side, away from the water outlet (121), of the blocking head (31).

7. An easy-to-install one-way valve according to claim 1, wherein the valve cover (2) and the base (1) are provided with a protective sleeve (4) on the outside.

8. The check valve convenient to install according to claim 1, further comprising a connecting pipe (5), wherein connecting threads are formed at both ends of the connecting pipe (5), and a reducing ring (51) for the base (1) to abut against is arranged inside the connecting pipe (5).