CN204015988U - The check valve assembly of coffee machine - Google Patents
The check valve assembly of coffee machine Download PDFInfo
- Publication number
- CN204015988U CN204015988U CN201420366999.7U CN201420366999U CN204015988U CN 204015988 U CN204015988 U CN 204015988U CN 201420366999 U CN201420366999 U CN 201420366999U CN 204015988 U CN204015988 U CN 204015988U
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- housing
- swing arm
- check valve
- coffee machine
- pearl
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Abstract
A check valve assembly for coffee machine, comprises housing and valve pearl; Described housing is logical tubular body in being, pearl is arranged in housing valve, and freely movable in preset range: it is characterized in that: the swing arm described housing being provided with swing; Described swing arm swings inward, reaches precalculated position, to stop valve pearl, prevents from departing from.By being provided with swing arm, when check valve is inserted in silicone tube, silicone tube inwall pressing swing arm, makes it swing in housing, finally locates.Enclosure interior forms lattice gear, to stop valve pearl, with its scope of activities of limit.The utility model structure is not only assembled simply, and reduces the scope of activities of valve pearl, can noise-decreasing.It has simple and reasonable, assembling is simple, dependable performance, good airproof performance, noise are low, volume is little, cost is low, widely used feature.
Description
Technical field
The utility model relates to a kind of check valve of coffee machine, particularly a kind of check valve assembly of coffee machine.
Background technology
The check valve assembly of the coffee machine of prior art, valve pearl is put into from unidirectional valve casing the right and left, valve pearl in unidirectional valve casing activity space up to 4mm; And the required precision of the design of this check valve to mould is higher, the particularly contact surface of valve pearl and unidirectional valve casing, once mating surface a little criticizes cutting edge of a knife or a sword, then check valve is just easy to gas leakage.Chinese patent literature CN201067581Y disclosed a kind of floating ball type one-way valve on 06 04th, 2008, it is characterized in that: valve body is divided into upper and lower two parts, upper valve body inwall is provided with several salient points, lower valve interior wall is provided with a conical funnel, ball float is contained between upper and lower valve body salient point and conical funnel, under during feed liquor, ball float floats to the salient point of upper valve body, during stopping, ball float enters in lower valve body conical funnel, blocks funnel.This structure is because valve body is in assembling two parts up and down, and during assembly connection, plug-in mounting tubing all will be distinguished in usual top and the bottom, assembles cumbersome; In addition, Long-Time Service, because ball float is often movable in valve body, causes valve body easily to depart from.Therefore, be necessary to make further improvements.
Utility model content
The purpose of this utility model aim to provide a kind of simple and reasonable, assembling is simple, dependable performance, good airproof performance, noise are low, volume is little, cost is low, the check valve assembly of widely used coffee machine, to overcome weak point of the prior art.
The check valve assembly of a kind of coffee machine designed by this object, comprises housing and valve pearl; Described housing is logical tubular body in being, pearl is arranged in housing valve, and freely movable in preset range; It is characterized in that: the swing arm described housing being provided with swing; Described swing arm swings inward, reaches precalculated position, to stop valve pearl, prevents from departing from.
For realizing above-mentioned utility model effect, the uniform setting of described housing sidewall at least two through hole, this through hole can be any shape, and it acts on the swing mainly facilitating swing arm reciprocal between enclosure interior and outside; Therefore, swing arm correspondence is connected on through hole edge, and described swing arm cross section is at least triangular in shape, and time idle, outside exposes to surface of shell, and inside is no more than inner walls.
As the first preferred structure of the utility model, described swing arm is connected by single point of attachment A with through hole, and realizes swinging around tie point A.The plastic cement at tie point A place connects thinner little, facilitates the swing of swing arm; Because valve pearl is put into from shell one end, therefore when swing arm inwardly swings, swing arm can stop valve pearl, ensures that valve pearl can after free activity, can not depart from again, and scope of activities be little, effectively reduce noise.
As the utility model the second preferred structure, upper and lower sides or the left and right sides at featheredge connecting through hole edge are passed through in described swing arm two ends; Described featheredge and housing one-body molded, in slice-shaped.After valve pearl puts into housing, press swing arm with hand, due to the thinner easy distortion of featheredge, deformable under pressing effect, swing arm is toward interior pendulum; When swing arm pressing enters in housing, no longer press, now because swing arm has entered in housing, featheredge recovers direction and inwardly changes into, and swing arm location and enclosure interior can stop valve pearl simultaneously.
On above architecture basics, the utility model perfect frame also does following design, and described housing upper end is tapered, and surface and inwall form flare inclined-plane and introversion inclined-plane respectively; Valve pearl is spheroid, linearly seals contact during work with introversion inclined-plane.Whether valve pearl seals with introversion inclined-plane contacts, directly have influence on the action effect of check valve, therefore, except valve pearl requires smooth surface, beyond shape specification, the surface requirements on introversion inclined-plane is also very important, cause improving the precision of mould, for better ensureing the smoothness on introversion inclined-plane, the die parting line of described housing upper end should avoid introversion inclined-plane, and its die parting line can design on housing end face.
One-way valve structures of the present utility model is fairly simple, and housing is integrated injection molding part, and valve pearl is put into from shell one end mouth, is then directly inserted in silicone tube, can completes assembling, assembles very simple.Owing to being provided with swing arm, when check valve is inserted in silicone tube, silicone tube inwall pressing swing arm, makes it swing in housing, finally locates.Enclosure interior forms lattice gear, to stop valve pearl, with its scope of activities of limit.This structure is assembly structure not only, and reduces the scope of activities of valve pearl, can noise-decreasing.It has simple and reasonable, assembling is simple, dependable performance, good airproof performance, noise are low, volume is little, cost is low, widely used feature.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of the utility model first embodiment.
Fig. 2 is the sectional structure schematic diagram of the utility model first embodiment.
Fig. 3 is the using state figure of the utility model first embodiment.
Fig. 4 is the sectional structure schematic diagram of the utility model second embodiment.
Fig. 5 is the using state figure of the utility model second embodiment.
Fig. 6 is the sectional structure schematic diagram of the utility model the 3rd embodiment.
Fig. 7 is the using state figure of the utility model the 3rd embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
First embodiment
See Fig. 1-Fig. 3, the check valve assembly of this coffee machine, comprises housing 1 and valve pearl 2; Described housing 1 is logical tubular body in being, valve pearl 2 is arranged in housing 1, and freely movable in preset range: the swing arm 1.1 described housing 1 being provided with swing; Described swing arm 1.1 swings inward, reaches precalculated position, to stop valve pearl 2, prevents from departing from.
Specifically, described housing 1 sidewall is uniform arranges two rectangular through-hole 1.2; This through hole mainly facilitates the swing of swing arm 1.1, and because swing arm 1.1 needs inside and outside reciprocal swing, the design of through hole 1.2 makes the swing of swing arm 1.1 complete in through hole 1.2, the edge of the corresponding connecting through hole 1.2 of swing arm 1.1.
Described swing arm 1.1 cross section is similar right angled triangle, and time idle, swing arm 1.1 1 drift angle exposes to housing 1 surface; Inside, swing arm 1.1 is parallel to housing 1 inwall, and is no more than housing 1 inwall.Swing arm 1.1 is connected to the lower edge of through hole 1.2 by single point of attachment A, and realizes swinging around tie point A, and for convenience of the swing of swing arm 1.1, tie point A place is thinner little.During assembling, put into valve pearl 2, first press swing arm 1.1 inward with hand, make pendulum in it, prevent from exposing drift angle buckle silicone tube, cause assembling unsuccessfully; Put into silicone tube when check valve and exceed drift angle, the pressing of hand is revocable, silicone tube inwall has pressing effect to swing arm, pendulum in swing arm continues, now directly advances check valve the appropriate location of silicone tube, because swing arm 1.1 continues to be pressed in silicone tube, swing arm 1.1 keeps interior pendulum, ensure that valve pearl 2 does not depart from housing 1, assembling is simple, dependable performance.The barrier effect of swing arm 1.2, reduces the scope of activities of valve pearl 2, effective noise reduction.
In addition, housing 1 upper end is tapered, and surface and inwall form flare inclined-plane 1.3 and introversion inclined-plane 1.4 respectively.The assembling of this check valve injects silicone tube from upper end, and flare inclined-plane 1.3 can be beneficial to the assembling of check valve.And introversion inclined-plane 1.4 linearly seals when working with ball valve pearl 2 and contacts, effectively improve sealing.For ensureing sealing, except valve pearl 2 must ensure shape specification, smooth surface, surface, introversion inclined-plane 1.4 requires smooth too, the die parting line of housing 1 upper end avoids introversion inclined-plane 1.4, designs on housing 1 end face, even if mould is aging, there is some beer cutting edges of a knife or a sword in die parting line, also do not affect check valve performance, reduce cost, therefore housing 1 is plastic material.
Second embodiment
See Fig. 4-5, the check valve assembly of this coffee machine, it is different from the first embodiment part and is: described swing arm 1.1 is arranged on the upside of through hole 1.2 with the tie point A of through hole 1.2, and swing arm 1.1 exposes housing 1 part an inclined plane, and this inclined plane tilts to assembly direction.During assembling, swing arm 1.1 can be pressed without hand and assemble again, directly inject silicone tube.Due to the setting of inclined plane, in assembling, silicone tube inwall is sheathed check valve smoothly, and swing arm is pressed swing equally, and effect is with the first embodiment.
Other do not state part with the first embodiment, here no longer analytic explanation.
3rd embodiment
See Fig. 6-7, the check valve assembly of this coffee machine, it is different from the first embodiment part and is: described swing arm 1.1 two ends are by the upper and lower sides at featheredge 1.1.1 connecting through hole 1.2 edge; Described featheredge 1.1.1 and housing 1 one-body molded, in slice-shaped.During assembling: first, put into valve pearl 2; Then swing arm 1.1 is pressed inward with hand, because featheredge 1.1.1 is thinner, its matter is soft, the certain elasticity of tool, be out of shape under pressing effect, treat that swing arm 1.1 enters in housing, cancel pressing, now featheredge 1.1.1 elasticity is recovered, direction becomes to the inside, therefore swing arm 1.1 is located in housing 1, reach the effect stopping valve pearl 2, and swing arm 1.1 swings no longer outward; Finally, directly check valve is injected silicone tube.
In the present embodiment, swing arm 1.1 has auto-lock function, need not press swing arm 1.1 simultaneously, directly plug during assembling; During dismounting, because silicone tube does not press effect to swing arm 1.1, described do not exist stuck phenomenon.
Other do not state part with the first embodiment, here no longer analytic explanation.
Above-mentioned is preferred version of the present utility model, and those of ordinary skill in the art, to its simple modification or transformation, all drop within protection domain of the present utility model.
Claims (8)
1. a check valve assembly for coffee machine, comprises housing (1) and valve pearl (2); Described housing (1) is logical tubular body in being, valve pearl (2) is arranged in housing (1), and freely movable in preset range; It is characterized in that: the swing arm (1.1) described housing (1) being provided with swing; Described swing arm (1.1) swings inward, reaches precalculated position, to stop valve pearl (2), prevents from departing from.
2. the check valve assembly of coffee machine according to claim 1, is characterized in that the uniform setting of described housing (1) sidewall at least two through hole (1.2); The edge of described swing arm (1.1) corresponding connecting through hole (1.2).
3. the check valve assembly of coffee machine according to claim 2, is characterized in that described swing arm (1.1) cross section is at least triangular in shape, and time idle, outside exposes to housing (1) surface, and inside is no more than housing (1) inwall.
4. the check valve assembly of coffee machine according to claim 3, is characterized in that described swing arm (1.1) is connected by single point of attachment A with through hole (1.2), and realizes swinging around tie point A.
5. the check valve assembly of coffee machine according to claim 3, is characterized in that upper and lower sides or the left and right sides at featheredge (1.1.1) connecting through hole (1.2) edge are passed through in described swing arm (1.1) two ends; Described featheredge (1.1.1) is one-body molded with housing (1), in slice-shaped.
6. the check valve assembly of the coffee machine according to any one of claim 1-5, is characterized in that described housing (1) upper end is tapered, and surface and inwall form flare inclined-plane (1.3) and introversion inclined-plane (1.4) respectively.
7. the check valve assembly of coffee machine according to claim 6, is characterized in that described valve pearl (2) is spheroid, and linearly to seal with introversion inclined-plane (1.4) during work and contact.
8. the check valve assembly of coffee machine according to claim 7, it is characterized in that the die parting line of described housing (1) upper end avoids introversion inclined-plane (1.4), and housing (1) is at least plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420366999.7U CN204015988U (en) | 2014-07-02 | 2014-07-02 | The check valve assembly of coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420366999.7U CN204015988U (en) | 2014-07-02 | 2014-07-02 | The check valve assembly of coffee machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204015988U true CN204015988U (en) | 2014-12-17 |
Family
ID=52055917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420366999.7U Active CN204015988U (en) | 2014-07-02 | 2014-07-02 | The check valve assembly of coffee machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204015988U (en) |
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2014
- 2014-07-02 CN CN201420366999.7U patent/CN204015988U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |