CN201807241U - Locking mechanism for jettisonable filter flask - Google Patents
Locking mechanism for jettisonable filter flask Download PDFInfo
- Publication number
- CN201807241U CN201807241U CN2010205506549U CN201020550654U CN201807241U CN 201807241 U CN201807241 U CN 201807241U CN 2010205506549 U CN2010205506549 U CN 2010205506549U CN 201020550654 U CN201020550654 U CN 201020550654U CN 201807241 U CN201807241 U CN 201807241U
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- Prior art keywords
- filter flask
- locking mechanism
- lid
- annular convex
- pair
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- Expired - Fee Related
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Abstract
The utility model discloses a locking mechanism for a jettisonable filter flask. In the locking mechanism, an inner annular bump is formed inside a filter flask cover; a connecting piece of a cylinder of a filter flask body assembly is provided with a cylindrical boss matched with the inner annular bump of the filter flask cover; at least a pair of convex teeth are arranged on the outer wall of the cylindrical boss, and at least one heave groove which extends along the circumferential direction of the inner annular bump of the filter flask cover and corresponds to the pair of convex teeth is arranged at the inner side of the inner annular bump of the filter flask cover; and the heave groove which has two lower ends and higher middle smoothly transit. The locking mechanism for the jettisonable filter flask has the advantages of short interference process and easy and smooth hand feel, labor is saved, and filter flask cover is not wore when the filter flask body component is matched with the filter flask cover.
Description
Technical field
The utility model belongs to the household water filter technical field, relates to the filter flask of household water filter, relates in particular to the filter flask body assembly of filter flask and the locking mechanism between the filter flask lid.
Background technology
Original filter flask mainly is that the screw thread that relies on filter flask body assembly and filter flask to cover comes mount, but all is tight fit, manually can't turn on, and must rely on the handle anchor clamps to realize dismounting, causes many inconvenience.Just occurred afterwards realizing the manually filter flask of dismounting, but structure more complicated all, and given and produce assembling and bring a lot of inconvenience that cost was also relatively more expensive simultaneously, is unfavorable for producing in batches with mechanism at this problem.
Also occurred relying on easy structure to realize the mechanism of locking between filter flask body assembly and the filter flask lid recently, being disclosed in notification number is in the utility model patent specification of CN 100569345C, it has annular lip and at least one cannelure on the interior annular convex collar of filter flask lid, this cannelure extends from lip along the part annular convex collar, corresponding cannelure, it has the pearl of at least one longitudinal extension on the cylindrical wall of outer annular collar of the connector of the tube of filter flask body assembly, the pearl of this longitudinal extension is threaded into the position that is completely fixed and is taken in by corresponding groove when being fixed to the filter flask lid at tube.Though this locking mechanism is simple in structure, cooperates at filter flask body assembly and filter flask lid and to realize needing a long interference process before the locking, cause the installation feel that has some setbacks bad; Should long interference process can cause filter flask lid serious wear simultaneously, cause when the filter flask body assembly that renews, experience wear is more serious because previous filter flask covers, can't be good fit with new filter flask body assembly realization, thus make filter flask body assembly and filter flask lid that the later stage installs can't carry out locking.
The utility model content
The interference process was short, laborsaving when technical problem to be solved in the utility model provided a kind of the cooperation, feel is easily smooth and easy and the disposable filter flask locking mechanism of the filter flask lid that can not wear and tear, to overcome the defective that prior art exists.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of disposable filter flask locking mechanism, in the filter flask lid, has interior annular convex collar, on the connector of the tube of filter flask body assembly, has interior annular convex collar matched cylindrical platform with filter flask lid, it is characterized in that: the outer wall of described cylindrical stage has a pair of double wedge at least, the inboard of the interior annular convex collar of described filter flask lid has a fluctuating groove along the corresponding described a pair of double wedge of the interior annular convex collar circumferencial direction extension of filter flask lid at least, highland smooth transition in the middle of described fluctuating groove two is low.
Adopt said structure, adopt at least one pair of double wedge to cooperate with a fluctuating groove, when the tube of filter flask body assembly cooperated with the turn of filter flask lid, the inner surface of the interior annular convex collar of a pair of double wedge of the cylindrical stage of the connector of tube and filter flask lid carries out of short duration interference process just to be slipped in the fluctuating groove just with filter flask body assembly and the locking of filter flask lid like this.The interference process is short, not only can be so that feel is smooth and easy, and do not allow flimsy filter flask lid.Therefore, disposable filter flask locking mechanism of the present utility model has the advantage that the interference process is short, laborsaving, feel is easily smooth and easy and the filter flask that can not wear and tear covers at filter flask body assembly and filter flask lid when cooperating.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is elaborated:
Fig. 1 is the structural representation of filter flask lid;
Fig. 2 is the structural representation of filter flask body assembly;
Fig. 3 is the cooperation schematic diagram of filter flask lid and filter flask body assembly.
The specific embodiment
As shown in Figure 1, filter flask covers 100 tops and has water inlet 101, delivery port 102, and the bottom has outer annular collar 103, and the outer surface of outer annular collar 103 has screw thread 104, have interior annular convex collar 105 in the outer annular collar 103, have connecting ring 106 again in the interior annular convex collar 105.、
As shown in Figure 2, filter flask body assembly 200 comprises tube 210, have and outer annular collar 211 on the top of tube 210, the inner surface of outer annular collar 211 has the screw thread 212 that cooperates with the outer annular collar 103 of filter flask lid 100, has connector 213 in the outer annular collar 211, the joint pin 215 that this connector 213 comprises cylindrical stage 214 and is positioned at cylindrical stage 214 centers has through hole 216 on the joint pin 215.
As Fig. 3, and in conjunction with Fig. 1, shown in Figure 2, when filter flask body assembly 200 cooperated with filter flask lid 100, the outer annular collar 103 of described filter flask lid 100 was positioned at the outer annular collar 211 of filter flask body assembly 200, and the joint pin 215 of filter flask body assembly 200 is arranged in the connecting ring 106 of filter flask lid 100.
Lock structure of the present utility model comprises two pairs of double wedges and two fluctuating grooves.Again as shown in Figure 2, the two pairs of double wedges 301 are positioned on the outer wall of cylindrical stage 214 of filter flask body assembly 200.As shown in Figure 1, two fluctuating grooves 302 are positioned at the inboard of the annular convex collar 105 of filter flask lid 100.These two fluctuating grooves 302 are low middle highland, two smooth transition.The length of fluctuating groove 302 accounts for 1/4 of interior annular convex collar 105 circumferences.In addition, in order to make double wedge 301 enter in the fluctuating groove 302 along sliding, one side that the every pair of double wedge 301 is positioned at relative inner has arc guide surface 303, the distance length of groove 302 that just in time equals to rise and fall between the outer side edges of every pair of double wedge 301, just in time be fixed in the fluctuating groove 302 after making every pair of double wedge 301 enter fluctuating groove 302, play good locking effect.
Owing to adopt two pairs of double wedges 301 to cooperate with two fluctuating grooves 302, tube 210 when filter flask body assembly 200 covers 100 turns when cooperating with filter flask like this, and the inner surface that every pair of double wedge 301 of the cylindrical stage 214 of the connector 213 of tube 210 only covers 100 interior annular convex collar 105 with filter flask carries out of short duration interference process and just slips into that fluctuating groove 302 is interior just to cover 100 lockings with filter flask body assembly 200 and filter flask.The interference process is short, makes that the assembly crewman is laborsaving when assembling, feel is smooth and easy.Add because the intensity of the relative filter flask lid 100 of the intensity of double wedge 301 wants much weak, so when this filter flask body assembly 200 that can throw to time service life, the little double wedge 301 of this two couple also is about to be worn bad, and the groove fluctuating groove 302 on the filter flask lid 100 is excellent, can also realize and the same in advance good fit and locking function with the new filter flask thrown body assembly.
In sum, disposable filter flask locking mechanism of the present utility model has the advantage that the interference process is short, laborsaving, feel is easily smooth and easy and the filter flask that can not wear and tear covers at filter flask body assembly and filter flask lid when cooperating.
But; those skilled in the art will recognize that; the above-mentioned specific embodiment is exemplary; be in order better to make those skilled in the art can understand this patent; can not be interpreted as it is restriction to this patent protection domain; so long as according to spirit that this patent discloses done anyly be equal to change or modify, all fall into the scope of this patent protection.
Claims (4)
1. disposable filter flask locking mechanism, in the filter flask lid, has interior annular convex collar, on the connector of the tube of filter flask body assembly, has interior annular convex collar matched cylindrical platform with filter flask lid, it is characterized in that: the outer wall of described cylindrical stage has a pair of double wedge at least, the inboard of the interior annular convex collar of described filter flask lid has a fluctuating groove along the corresponding described a pair of double wedge of the interior annular convex collar circumferencial direction extension of filter flask lid at least, highland smooth transition in the middle of described fluctuating groove two is low.
2. disposable filter flask locking mechanism according to claim 1 is characterized in that: described double wedge has two pairs, and described fluctuating groove has two.
3. disposable filter flask locking mechanism according to claim 1 and 2 is characterized in that: described every pair of double wedge has in relative inner and has arc guide surface.
4. disposable filter flask locking mechanism according to claim 2 is characterized in that: the length of described fluctuating groove be filter flask lid interior annular convex collar girth 1/4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205506549U CN201807241U (en) | 2010-10-07 | 2010-10-07 | Locking mechanism for jettisonable filter flask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205506549U CN201807241U (en) | 2010-10-07 | 2010-10-07 | Locking mechanism for jettisonable filter flask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201807241U true CN201807241U (en) | 2011-04-27 |
Family
ID=43890197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205506549U Expired - Fee Related CN201807241U (en) | 2010-10-07 | 2010-10-07 | Locking mechanism for jettisonable filter flask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201807241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934169A (en) * | 2010-10-07 | 2011-01-05 | 艾欧史密斯（上海）水处理产品有限公司 | Disposable locking mechanism for filter flask |
-
2010
- 2010-10-07 CN CN2010205506549U patent/CN201807241U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934169A (en) * | 2010-10-07 | 2011-01-05 | 艾欧史密斯（上海）水处理产品有限公司 | Disposable locking mechanism for filter flask |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20121007 |