CN207406780U - A kind of flow control valve - Google Patents
A kind of flow control valve Download PDFInfo
- Publication number
- CN207406780U CN207406780U CN201721384079.8U CN201721384079U CN207406780U CN 207406780 U CN207406780 U CN 207406780U CN 201721384079 U CN201721384079 U CN 201721384079U CN 207406780 U CN207406780 U CN 207406780U
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- China
- Prior art keywords
- housing
- inner cavity
- fixedly connected
- spool
- flow control
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Abstract
The utility model discloses a kind of flow control valves, including housing, shell is arranged at the top of the housing, discharge connection is communicated on the left of the housing, the bottom of the housing is communicated with entrance sleeve, the inner cavity of the housing is provided with valve seat, the inner cavity of the shell is provided with rotor, the inside of the rotor is fixedly connected with connecting plate, the inner cavity of the housing and spool is provided at the top of the valve seat, the outer cover of the spool is equipped with casing, the inner cavity of shell is extended at the top of described sleeve pipe, screwed pipe is communicated at the top of described sleeve pipe, both sides at the top of described sleeve pipe offer sidewise hole.The utility model is extended radially outwardly inferior transverse part due to the first retaining spring, and transverse part length can design it is very long, as long as do not interfere with rotor inner wall, ensure that inferior transverse part has sufficient stop surplus with retainer under elastic track, disengagement phenomenon will not be generated, simultaneously both for metal, sufficient stop intensity ensure that.
Description
Technical field
The utility model is related to motor-driven valve technical fields, are specially a kind of flow control valve.
Background technology
Chinese patent discloses " electronic expansion valve check structure and electric expansion valve ", Patent No.：CN104913098A,
Being rotated by the rotor of electric motor drives locking plate to rotate, and locking plate drives locating snap ring to rotate, when locating snap ring encounters internal thread
During the lower dead center of component, the rotor of electric motor stops operating in closing direction, encounters the upper of interior threaded part when locating snap ring and stops
During point, the rotor of electric motor stops operating in valve opening position, realizes the design of motor-driven valve miniaturization, but in lower stop
When, locating snap ring end face is directly impinged upon on plastic nut boss, and boss easily is hit pit, can be destroyed boss when serious, together
When elastic track and nut size it is more demanding, interior threaded part injection precision and elastic track coiling precision it is difficult to ensure that, it is past
Toward the problems such as elastic track assembling can be caused difficult.
Utility model content
The purpose of this utility model is to provide a kind of flow control valve, possess the excellent of Miniaturization Design and service life length
Point solves the problems, such as that motor-driven valve stop mechanism be easy to cause abrasion and damage.
For this purpose, the utility model uses following technical scheme：A kind of flow control valve, including housing, the top of the housing
Portion is arranged with shell, and discharge connection is communicated on the left of the housing, and the bottom of the housing is communicated with entrance sleeve, the shell
The inner cavity of body is provided with valve seat, and the inner cavity of the shell is provided with rotor, and the inside of the rotor is fixedly connected with connecting plate, institute
It states the inner cavity of housing and spool is provided at the top of valve seat, the outer cover of the spool is equipped with casing, the top of described sleeve pipe
Portion extends to the inner cavity of shell, is communicated with screwed pipe at the top of described sleeve pipe, and the both sides at the top of described sleeve pipe offer laterally
Hole is provided through externally threaded item at the top of the connecting plate, and the bottom of the externally threaded item sequentially passes through connecting plate, spiral shell
Line pipe and spool and the inside for extending to spool, the surface of the screwed pipe are arranged with the first retaining spring and the second stop respectively
Spring is provided with locking plate on the left of the connecting plate bottom.
As the supplement to above-mentioned technical proposal and perfect, the utility model further includes following technical characteristic.
The bottom of second retaining spring is fixedly connected with inferior transverse part, is fixedly connected at the top of second retaining spring
There is upper transverse part.
First retaining spring includes spire, and retainer, the spiral shell are fixedly connected at the top of the spire
The bottom in rotation portion is fixedly connected with lower retainer, and the described one end of lower retainer away from spire is fixedly connected with positioning region, institute
State the inner cavity that the one end of positioning region away from lower retainer extends to sidewise hole.
The outer cover of described sleeve pipe is equipped with fixed cover, and the bottom of the fixed cover extends to the inner cavity of housing, the fixation
The both sides of cover are fixedly connected with the inner wall of housing.
The bottom of the spool is fixedly connected with sprue, and the bottom of the sprue through the top of valve seat and extends to valve seat
Inner cavity.
The utility model can reach following advantageous effect：1st, the utility model, can by the way that retainer is built in rotor
To reduce valve overall height, while solves the problems, such as the reliable stop of retainer, since the first retaining spring extends radially outwardly
Inferior transverse part, and transverse part length can design very long, as long as not interfering with rotor inner wall, ensure under inferior transverse part and elastic track
Retainer has sufficient stop surplus, will not generate disengagement phenomenon, while both for metal, ensure that sufficient stop is strong
Degree.
2nd, the utility model is just stopped at by being provided with upper transverse part at the top of the second retaining spring under locking plate during stop
On upper transverse part, ensure that locking plate has sufficient axial distance with spire on elastic track, prevent locking plate and elastic track axis
To interference.
3rd, the utility model is on the second retaining spring by being provided with inferior transverse part, the second retaining spring in upper stop and
In operational process, upper inferior transverse part contacts simultaneously with locking plate, and the first retaining spring stress can reduce the first stop bullet than more uniform
The operation noise of spring.
Description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is the attachment structure schematic diagram of the first retaining spring of the utility model and screwed pipe.
Fig. 3 is the structure diagram of the first retaining spring of the utility model.
Fig. 4 is the structure diagram of the second retaining spring of the utility model.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
As shown in Figs 1-4, the utility model includes housing 1, and the top of housing 1 is arranged with shell 2, and the left side of housing 1 connects
Discharge connection 3 is connected with, the bottom of housing 1 is communicated with entrance sleeve 4, and the inner cavity of housing 1 is provided with valve seat 5, and the inner cavity of shell 2 is set
It is equipped with rotor 6, the inside of rotor 6 is fixedly connected with connecting plate 7, the inner cavity of housing 1 and the top of valve seat 5 is provided with spool
8, the bottom of spool 8 is fixedly connected with sprue 17, and the bottom of sprue 17 through the top of valve seat 5 and extends to the inner cavity of valve seat 5,
The outer cover of spool 8 is equipped with casing 9, and the top of casing 9 extends to the inner cavity of shell 2, and the outer cover of casing 9 is equipped with fixed cover
16, the bottom of fixed cover 16 extends to the inner cavity of housing 1, fixes inner wall of the both sides of cover 16 with housing 1 and is fixedly connected, casing
9 top is communicated with screwed pipe 10, and the both sides at 9 top of casing offer sidewise hole 11, and the top of connecting plate 7 is provided through
Externally threaded item 12, the bottom of externally threaded item 12 sequentially pass through connecting plate 7, screwed pipe 10 and spool 8 and extend to spool 8
Inside, the surface of screwed pipe 10 are arranged with the first retaining spring 13 and the second retaining spring 14 respectively, and the first retaining spring 13 wraps
Spire 131 is included, the top of spire 131 is fixedly connected with retainer 132, and the bottom of spire 131 is fixedly connected with down
Retainer 133, the lower one end of retainer 133 away from spire 131 are fixedly connected with positioning region 134, and positioning region 134 is stopped away from lower
The one end in dynamic portion 133 extends to the inner cavity of sidewise hole 11, and the bottom of the second retaining spring 14 is fixedly connected with inferior transverse part 141, the
The top of two retaining springs 14 is fixedly connected with upper transverse part 142, and connecting plate is provided with locking plate 15 on the left of 7 bottom, passes through
The top of two retaining springs 14 is provided with upper transverse part 142, and when 15 times stop of locking plate is just stopped on upper transverse part 142, ensures to stop
Movable plate 15 has sufficient axial distance with spire 131 on elastic track, prevents locking plate 15 and elastic track Axial Interference, leads to
It crosses on the second retaining spring 14 and is provided with inferior transverse part, the second retaining spring 14 is horizontal up and down in upper stop and operational process
Portion contacts simultaneously with locking plate 15, and 13 stress of the first retaining spring than more uniform, make an uproar by the operation that can reduce the first retaining spring 13
Sound by the way that retainer is built in rotor 6, can reduce valve overall height, while solve the problems, such as the reliable stop of retainer, by
Extend radially outwardly inferior transverse part 141 in the first retaining spring 13, and transverse part length can design it is very long, as long as not in rotor
Wall is interfered, and ensures that inferior transverse part 141 has sufficient stop surplus with retainer 133 under elastic track, it is existing will not to generate disengagement
As, while both for metal, ensure that sufficient stop intensity.
In summary：The flow control valve passes through valve seat 5, rotor 6, connecting plate 7, spool 8, casing 9, screwed pipe 10, side
Cooperation to hole 11, externally threaded item 12, the first retaining spring 13 and the second retaining spring 14, solves motor-driven valve stop mechanism
The problem of be easy to causeing abrasion and damage.
Claims (5)
1. a kind of flow control valve, including housing（1）, it is characterised in that：The housing（1）Top be arranged with shell（2）, institute
State housing（1）Left side be communicated with discharge connection（3）, the housing（1）Bottom be communicated with entrance sleeve（4）, the housing
（1）Inner cavity be provided with valve seat（5）, the shell（2）Inner cavity be provided with rotor（6）, the rotor（6）Inside fix connect
It is connected to connecting plate（7）, the housing（1）Inner cavity and positioned at valve seat（5）Top be provided with spool（8）, the spool（8）'s
Outer cover is equipped with casing（9）, described sleeve pipe（9）Top extend to shell（2）Inner cavity, described sleeve pipe（9）Top connection
There is screwed pipe（10）, described sleeve pipe（9）The both sides at top offer sidewise hole（11）, the connecting plate（7）Top run through
It is provided with externally threaded item（12）, the externally threaded item（12）Bottom sequentially pass through connecting plate（7）, screwed pipe（10）And valve
Core（8）And extend to spool（8）Inside, the screwed pipe（10）Surface be arranged with the first retaining spring respectively（13）With
Two retaining springs（14）, the connecting plate（7）Locking plate is provided on the left of bottom（15）.
2. a kind of flow control valve according to claim 1, it is characterised in that：Second retaining spring（14）Bottom
It is fixedly connected with inferior transverse part（141）, second retaining spring（14）Top be fixedly connected with upper transverse part（142）.
3. a kind of flow control valve according to claim 1, it is characterised in that：First retaining spring（13）Including spiral shell
Rotation portion（131）, the spire（131）Top be fixedly connected with retainer（132）, the spire（131）Bottom
It is fixedly connected with lower retainer（133）, the lower retainer（133）Away from spire（131）One end be fixedly connected with positioning
Portion（134）, the positioning region（134）Away from lower retainer（133）One end extend to sidewise hole（11）Inner cavity.
4. a kind of flow control valve according to claim 1, it is characterised in that：Described sleeve pipe（9）Outer cover be equipped with it is solid
Fixed cover（16）, the fixed cover（16）Bottom extend to housing（1）Inner cavity, the fixed cover（16）Both sides and housing
（1）Inner wall be fixedly connected.
5. a kind of flow control valve according to claim 1, it is characterised in that：The spool（8）Bottom be fixedly connected
There is sprue（17）, the sprue（17）Bottom run through valve seat（5）Top and extend to valve seat（5）Inner cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721384079.8U CN207406780U (en) | 2017-10-25 | 2017-10-25 | A kind of flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721384079.8U CN207406780U (en) | 2017-10-25 | 2017-10-25 | A kind of flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207406780U true CN207406780U (en) | 2018-05-25 |
Family
ID=62407453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721384079.8U Active CN207406780U (en) | 2017-10-25 | 2017-10-25 | A kind of flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207406780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020135396A1 (en) * | 2018-12-28 | 2020-07-02 | 浙江三花制冷集团有限公司 | Flow control valve |
-
2017
- 2017-10-25 CN CN201721384079.8U patent/CN207406780U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020135396A1 (en) * | 2018-12-28 | 2020-07-02 | 浙江三花制冷集团有限公司 | Flow control valve |
| US11313475B2 (en) | 2018-12-28 | 2022-04-26 | Zhejiang Sanhua Climate and Appliance Controls Group Co., Ltd. | Flow control valve |
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