CN211649236U

CN211649236U - Safe automatic flow control solenoid valve

Info

Publication number: CN211649236U
Application number: CN201922409266.2U
Authority: CN
Inventors: 杨敬辉; 张唯文
Original assignee: Dongguan Haixin Metal Technology Co ltd
Current assignee: Guangdong Haixin Intelligent Kitchen Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-10-09
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a safe automatic flow control solenoid valve, including outer tube, interior sleeve pipe, install solenoid and fixing base between outer tube and interior sleeve pipe respectively, install the head mounting that the outer tube is close to the one end of fixing base, install the drive assembly at the outer tube other end, the cover is established at the movable seal head that interior sleeve pipe one end is connected with the drive assembly transmission, the cover is established at interior sleeve pipe middle part sliding connection's movable metal core, installs the spring between movable seal head and the movable metal core to and the cover is established at the silica gel circle on the movable metal core, the side of fixing base is provided with the feed inlet, be provided with the discharge gate that is linked together with the feed inlet on the head mounting, the movable metal core is the toper setting towards the head of head mounting one side, the utility model discloses have simple structure, the cost is, Good sealing, stable and reliable, automatic adjustment of medium flow and power-off protection.

Description

Safe automatic flow control solenoid valve

Technical Field

The utility model relates to a solenoid valve especially relates to a safe automatic flow control solenoid valve.

Background

The electromagnetic valve is an automatic basic element for controlling fluid, belongs to an actuator, is not limited to media such as liquid, gas and the like, and is used for adjusting the direction, flow rate, speed and other parameters of the media in an industrial control system.

In the existing electromagnetic valve, the technical problems of inconvenient medium flow regulation, complex structure, larger volume, higher cost, inconvenient assembly and unfavorable full-automatic production exist, and particularly in the field of household cooking stoves, the existing electromagnetic valve with the complex structure is not suitable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a simple structure, the cost is lower, be convenient for the assembly, be convenient for full-automatic production operation, sealed good, reliable and stable automatically regulated medium flow, have power-off protection function's safe automatic flow control solenoid valve.

In order to achieve the above object, the present invention provides a safe automatic flow regulating solenoid valve, which comprises an outer sleeve, an inner sleeve sleeved inside the outer sleeve, a solenoid coil and a fixing seat respectively arranged between the outer sleeve and the inner sleeve, a head fixing member arranged at one end of the outer sleeve close to the fixing seat and hermetically connected with the inner wall of the inner sleeve, a driving assembly arranged at the other end of the outer sleeve, a movable sealing head sleeved at one end of the inner sleeve and in transmission connection with the driving assembly, a movable metal core sleeved at the middle part of the inner sleeve in sliding connection, a spring arranged between the movable sealing head and the movable metal core, and a silica gel ring sleeved on the movable metal core, wherein the movable sealing head is hermetically connected with the inner wall of the inner sleeve and can freely slide along the inner part of the inner sleeve, the fixing seat, the head fixing piece is provided with a discharge hole communicated with the feed inlet, and the head of the movable metal core, facing one side of the head fixing piece, is in a conical arrangement.

Preferably, the movable metal core is an iron core member.

Preferably, the driving assembly comprises a motor fixing seat fixedly connected with the inside of the outer sleeve in a sleeved mode, a driving motor fixedly connected with the outer end face of the motor fixing seat, and a photoelectric sensor fixedly connected with the middle of the motor fixing seat, wherein the movable sealing head is in threaded connection with an output shaft of the driving motor.

Preferably, the fixing seat is provided with a clamping needle, and the head fixing part is fixedly connected with the fixing seat through the positioning of the clamping needle.

Preferably, the head fixing piece is sleeved with a first sealing ring, and the head fixing piece is connected with the inner wall of the inner sleeve in a sealing mode through the first sealing ring.

Preferably, a first clamping groove is formed in the head fixing piece, and the first sealing ring is arranged in the first clamping groove.

Preferably, a first spring limiting groove is formed in the movable sealing head, a second spring limiting groove is formed in the movable metal core, one end of the spring is sleeved in the first spring limiting groove, and the other end of the spring is sleeved in the second spring limiting groove.

Preferably, the movable sealing head is sleeved with a second sealing ring and a third sealing ring, and the movable sealing head is connected with the inner wall of the inner sleeve in a sealing mode through the second sealing ring and the third sealing ring.

Preferably, the side of the movable sealing head is provided with a second clamping groove and a third clamping groove, the second sealing ring is arranged in the second clamping groove, and the third sealing ring is arranged in the third clamping groove.

Preferably, a fourth sealing ring and a fifth sealing ring are arranged on the fixing seat, and the fixing seat is connected with the outer wall of the inner sleeve in a sealing mode through the fourth sealing ring and the fifth sealing ring.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model uses the outer sleeve and the inner sleeve as the support of the whole electromagnetic valve, all parts are arranged inside the outer sleeve and the inner sleeve, so that the structure of the whole electromagnetic valve is very compact, the electromagnetic valve has the advantage of small volume, simultaneously, the movable sealing head and the movable metal core slide very smoothly on the inner wall of the inner sleeve respectively, the reliability of the electromagnetic valve is improved, in addition, the outer sleeve and the inner sleeve are very common outsourcing standard parts, the electromagnetic valve has the advantages of fast purchasing speed, short processing time and low cost, through the electrification of the electromagnetic coil, the magnetic field generated by the electromagnetic coil attracts the movable metal core, so that the movable metal core compression spring is always contacted with the movable sealing head, the driving component electrically drives the movable sealing head to reciprocate, the movable sealing head drives the movable metal core to reciprocate, and then automatically controls the clearance between the movable metal core and the, the realization is to the flow control of medium, and this flow control is simple reliable, wherein because activity metal core one side head is the toper setting for clearance between activity metal core and the head mounting can be the linear control of continuity, and when the outage, the spring can drive the silica gel circle on the activity metal core and contact with the head mounting, and the intercommunication of isolated feed inlet and discharge gate realizes power-off protection's function, has safe and reliable's advantage, the utility model has the advantages of simple structure, the cost is lower, be convenient for assemble, be convenient for full-automatic production operation, sealed good, reliable and stable automatically regulated medium flow, can power-off protection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a first plane schematic view of a safety automatic flow regulating solenoid valve of the present invention;

fig. 2 is a second schematic plan view of a safety automatic flow regulating solenoid valve of the present invention;

FIG. 3 is a third schematic plan view of a safety automatic flow regulating solenoid valve of the present invention;

FIG. 4 is an exploded view of a safety automatic flow regulating solenoid valve of the present invention;

FIG. 5 is a first schematic view of the assembly process of a safety automatic flow regulating solenoid valve of the present invention;

FIG. 6 is a second schematic view of the assembly process of the automatic flow regulating solenoid valve of the present invention;

FIG. 7 is a third schematic view of the assembly process of the automatic flow regulating solenoid valve of the present invention;

FIG. 8 is a fourth schematic view of the assembly process of a safety automatic flow regulating solenoid valve of the present invention;

FIG. 9 is a fifth schematic view of the assembly process of the automatic safety flow control solenoid valve of the present invention;

FIG. 10 is a sixth schematic view of the assembly process of a safety automatic flow regulating solenoid valve of the present invention;

fig. 11 is a seventh schematic view illustrating an assembling process of the safety automatic flow rate adjusting solenoid valve of the present invention;

fig. 12 is an eighth schematic view illustrating an assembling process of the automatic flow rate regulating solenoid valve according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in figure 1, the utility model provides a safe automatic flow regulating solenoid valve, which is characterized in that the solenoid valve comprises an outer sleeve 1, an inner sleeve 2 sleeved inside the outer sleeve 1, a solenoid coil 3 and a fixed seat 4 respectively arranged between the outer sleeve 1 and the inner sleeve 2, a head fixing part 5 arranged at one end of the outer sleeve 1 close to the fixed seat 4 and connected with the inner wall of the inner sleeve 2 in a sealing way, a driving component 6 arranged at the other end of the outer sleeve 1, a movable sealing head 7 sleeved at one end of the inner sleeve 2 and connected with the driving component 6 in a transmission way, a movable metal core 8 sleeved at the middle part of the inner sleeve 2 and connected in a sliding way, a spring 9 arranged between the movable sealing head 7 and the movable metal core 8, and a silica gel ring 10 sleeved on the movable metal core 8, wherein the movable sealing head 7 is connected with the, the fixed seat 4 is connected with the outer wall of the inner sleeve 2 in a sealing mode, a feed inlet 41 is formed in the side face of the fixed seat 4, a discharge outlet 51 communicated with the feed inlet 41 is formed in the head fixing piece 5, and the head, facing one side of the head fixing piece 5, of the movable metal core 8 is in a conical arrangement.

As shown in fig. 2, in operation, the electromagnetic coil 3 is powered on, the magnetic field generated by the electromagnetic coil 3 attracts the movable metal core 8, so that the movable metal core 8 compresses the spring 9 and is always in contact with the end face of the movable sealing head 7, the driving assembly 6 electrically drives the movable sealing head 7 to make reciprocating linear motion, the movable sealing head 7 thereby drives the movable metal core 8 to make reciprocating motion, and further automatically controls the gap between the movable metal core 8 and the head fixing member 5, thereby realizing the flow control of media, the flow control is simple and reliable, wherein the head on one side of the movable metal core 8 is arranged in a conical shape, so that the gap between the movable metal core 8 and the head fixing member 5 can be continuously and linearly controlled, as shown in fig. 3, when the electromagnetic coil 3 is powered off, the spring 9 can drive the silica gel ring 10 on the movable metal core 8 to be in contact with the head fixing, the communication between the feed inlet 41 and the discharge outlet 51 is isolated, the leakage of dangerous media is avoided, or the excessive pressure caused by excessive medium conveying is avoided, the power-off protection function is realized, the safety and the reliability are realized,

specifically, the utility model discloses the support of sleeve pipe 1 and interior sleeve pipe 2 as whole solenoid valve outside, all spare parts are installed in sleeve pipe 1 and interior sleeve pipe 2's inside, make the structure of whole solenoid valve very compact, have small advantage, the inner wall slip of sleeve pipe 2 is very smooth and easy including activity sealing head 7 and activity metal core 8 respectively simultaneously, the reliability of solenoid valve has been improved, sleeve pipe 1 and interior sleeve pipe 2 are the outsourcing standard component very commonly used in addition, it is fast to have the purchase, the process time is short, low cost's advantage.

Furthermore, the movable metal core 8 is preferably an iron core member, the driving assembly 6 includes a motor fixing seat 61 fixedly connected with the inside of the outer sleeve 1, a driving motor 62 fixedly connected with the outer end surface of the motor fixing seat 61, and a photoelectric sensor 63 fixedly connected with the middle of the motor fixing seat 61, the movable sealing head 7 is in threaded connection with the output shaft of the driving motor 62, wherein the driving motor 62 is preferably a stepping motor or a servo motor, the side surface of the output shaft of the driving motor 62 is externally threaded, the driving motor 62 drives the output shaft to make a rotating motion, the output shaft drives the movable sealing head 7 to make a reciprocating motion in the inner sleeve 2, when the photoelectric sensor 63 senses the movable sealing head 7, the movable sealing head 7 can not move towards the driving motor 6 any more, and the service life of the electromagnetic valve is ensured by the limit design of the photoelectric sensor 63 on the movable sealing head 7, avoid the user to set for the pulse value of driving motor 62 too much, avoid the phenomenon that the inner structure appears the motion and interferes the harm to the part to take place, wherein when solenoid 3 circular telegram, activity metal core 8 compression spring 9 contacts with the terminal surface of activity sealing head 7 all the time, consequently activity sealing head 7 receives spring 9 to its spring force all the time, this spring 9 can eliminate the screw-thread fit clearance between driving motor 62 output shaft and the activity sealing head 7, make activity sealing head 7 make reciprocating motion in interior sleeve pipe 2 more reliable and stable, guarantee to adjust the flow more accurately, thereby guarantee that this flow can be the linear control of continuity.

Be provided with card needle 42 on fixing base 4, through the setting of card needle 42 for head mounting 5 can be through card needle 42 location and fixing base 4 fixed connection, has guaranteed the relative position of head mounting 5 on fixing base 4, and the assembly of also being convenient for is favorable to improving the production efficiency of product.

The head fixing piece 5 is sleeved with a first sealing ring 52, the head fixing piece 5 is connected with the inner wall of the inner sleeve 2 in a sealing mode through the first sealing ring 52, the sealing can prevent media from flowing out of a fit clearance between the head fixing piece 5 and the inner wall of the inner sleeve 2, and the head fixing piece 5 has the advantage of being reliable in sealing.

The head fixing piece 5 is provided with a first clamping groove 53, the first sealing ring 52 is arranged in the first clamping groove 53, and the first sealing ring 52 cannot fall off from the head fixing piece 5 through the arrangement of the first clamping groove 53, so that good sealing performance between the first sealing ring 52 and the inner wall of the inner sleeve 2 is ensured.

The movable sealing head 7 is provided with a first spring limiting groove 71, the movable metal core 8 is provided with a second spring limiting groove 81, one end of the spring 9 is sleeved in the first spring limiting groove 71, the other end of the spring 9 is sleeved in the second spring limiting groove 81, the spring 9 can not bend when the spring 9 is subjected to axial force for compression movement through the arrangement of the first spring limiting groove 71 and the second spring limiting groove 81, reliable and stable abutting force between the movable sealing head 7 and the movable metal core 8 is ensured, on one hand, a thread fit clearance between an output shaft of the driving motor 62 and the movable sealing head 7 can be eliminated more reliably and stably, on the other hand, when the electromagnetic coil 3 is powered off, the movable metal core 8 is more uniformly stressed, the phenomenon that the movable metal core 8 is clamped in the inner sleeve 2 due to nonuniform spring force is avoided, and the function of power-off isolation medium circulation is ensured, the reliability of the power-off safety is improved.

The second sealing ring 72 and the third sealing ring 73 are sleeved on the movable sealing head 7, the movable sealing head 7 is connected with the inner wall of the inner sleeve 2 in a sealing mode through the second sealing ring 72 and the third sealing ring 73, the movable sealing head 7 can prevent media from flowing out of a fit clearance between the movable sealing head 7 and the inner wall of the inner sleeve 2 in a sealing mode, and the movable sealing head has the advantage of being reliable in sealing.

The side of activity sealing head 7 is provided with second draw-in groove 74 and third draw-in groove 75, second sealing washer 72 is installed in second draw-in groove 74, third sealing washer 73 is installed in third draw-in groove 75, through the setting of second draw-in groove 74 and third draw-in groove 75 for second sealing washer 72 and third sealing washer 73 are fixed more firmly on activity sealing head 7, and when drive assembly 6 drive activity sealing head 7 made reciprocating motion, second sealing washer 72 and third sealing washer 73 can not drop from activity sealing head 7, have guaranteed good sealing performance between activity sealing head 7 and the interior sleeve pipe 2 inner wall, thereby have guaranteed automatic flow control's stability.

Be provided with fourth sealing washer 43 and fifth sealing washer 44 on the fixing base 4, fixing base 4 passes through fourth sealing washer 43, fifth sealing washer 44 and interior sleeve pipe 2's outer wall sealing connection, and fourth sealing washer 43 and fifth sealing washer 44 can prevent that the medium from flowing out from the fit clearance between fixing base 4 and the interior sleeve pipe 2 outer wall, have sealed reliable advantage, have guaranteed automatic flow control's stability.

As shown in fig. 4, which is an exploded view of the present invention, the preassembly of the components is performed: the second sealing ring 72 and the third sealing ring 73 are respectively sleeved on the movable sealing head 7, the silica gel ring 10 is sleeved on the head of the movable metal core 8, the fourth sealing ring 43 and the fifth sealing ring 44 are respectively sleeved on the fixed seat 4, the clamping pin 42 is fixed on the fixed seat 4, and the first sealing ring 52 is sleeved in the first clamping groove 53 of the head fixing part 5.

The utility model discloses an assembly step as follows:

as shown in fig. 5, the head fixing member 5 is fixedly connected to the fixing base 4 with the fourth sealing ring 43 and the fifth sealing ring 44 by the snap pin 42.

As shown in fig. 6, the inner sleeve 2 is inserted into the fixing base 4, and the second sealing ring 72 and the third sealing ring 73 ensure the sealing between the fixing base 4 and the outer wall of the inner sleeve 2, and the first sealing ring 52 ensures the sealing between the head fixing member 5 and the inner wall of the inner sleeve 2.

As shown in fig. 7, the electromagnetic coil 3 is fitted over the outer wall of the inner tube 2.

As shown in fig. 8, the movable metal core 8 with the silicone ring 10 is sleeved on the inner wall of the inner sleeve 2, wherein one end with the silicone ring 10 faces the head fixing member 5.

As shown in fig. 9, the spring 9 is fitted in the second spring retaining groove 81 of the movable metal core 8.

As shown in fig. 10, the movable sealing head 7 with the second sealing ring 72 and the third sealing ring 73 is sleeved on the inner wall of the inner sleeve 2, wherein the spring 9 is clamped in the first spring limiting groove 71.

As shown in fig. 11, the drive assembly 6 is mounted at one end of the inner sleeve 2, wherein the drive motor 62 is threadedly connected to the movable sealing head 7.

As shown in fig. 1 and 12, the outer sleeve 1 is sleeved on the periphery to protect the parts, and simultaneously provides a good positioning function for the electromagnetic coil 3 to complete the assembly operation of the whole electromagnetic valve.

To sum up, the utility model discloses simple structure, cost are lower, be convenient for the assembly, the full-automatic production operation of being convenient for, sealed good, can dog reliable and stable automatically regulated medium flow, have power-off protection's function moreover.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A safe and automatic flow regulating electromagnetic valve is characterized by comprising an outer sleeve (1), an inner sleeve (2) sleeved inside the outer sleeve (1), an electromagnetic coil (3) and a fixed seat (4) which are respectively arranged between the outer sleeve (1) and the inner sleeve (2), a head fixing piece (5) which is arranged at one end of the outer sleeve (1) close to the fixed seat (4) and is hermetically connected with the inner wall of the inner sleeve (2), a driving component (6) arranged at the other end of the outer sleeve (1), a movable sealing head (7) sleeved at one end of the inner sleeve (2) and in transmission connection with the driving component (6), a movable metal core (8) sleeved at the middle part of the inner sleeve (2) in sliding connection, a spring (9) arranged between the movable sealing head (7) and the movable metal core (8), and a silica gel ring (10) sleeved on the movable, the utility model discloses a fixed seat, including head mounting (5), activity sealing head (7) and the inner wall sealing connection of interior sleeve pipe (2) and can freely slide along the inside of interior sleeve pipe (2), fixing base (4) and the outer wall sealing connection of interior sleeve pipe (2), the side of fixing base (4) is provided with feed inlet (41), be provided with discharge gate (51) that are linked together with feed inlet (41) on head mounting (5), activity metal core (8) are the toper setting towards the head of head mounting (5) one side.

2. A safety automatic flow regulating solenoid valve according to claim 1, characterized in that said movable metal core (8) is an iron core member.

3. The electromagnetic valve according to claim 1, wherein the driving assembly (6) comprises a motor fixing seat (61) fixedly connected with the inside of the outer sleeve (1) in a sleeved manner, a driving motor (62) fixedly connected with the outer end surface of the motor fixing seat (61), and a photoelectric sensor (63) fixedly connected with the middle of the motor fixing seat (61), and the movable sealing head (7) is in threaded connection with an output shaft of the driving motor (62).

4. The automatic safety flow rate regulating solenoid valve according to claim 1, wherein a clamping pin (42) is disposed on the fixing seat (4), and the head fixing member (5) is positioned by the clamping pin (42) and fixedly connected with the fixing seat (4).

5. The automatic flow regulating safety electromagnetic valve according to claim 1, characterized in that the head fixing member (5) is sleeved with a first sealing ring (52), and the head fixing member (5) is connected with the inner wall of the inner sleeve (2) in a sealing manner through the first sealing ring (52).

6. The automatic flow regulating safety solenoid valve according to claim 5, wherein the head fixing member (5) is provided with a first locking groove (53), and the first sealing ring (52) is installed in the first locking groove (53).

7. The automatic flow regulating safety electromagnetic valve according to claim 1, wherein the movable sealing head (7) is provided with a first spring limiting groove (71), the movable metal core (8) is provided with a second spring limiting groove (81), one end of the spring (9) is sleeved in the first spring limiting groove (71), and the other end of the spring is sleeved in the second spring limiting groove (81).

8. The automatic flow regulating safety electromagnetic valve according to claim 1, characterized in that the movable sealing head (7) is sleeved with a second sealing ring (72) and a third sealing ring (73), and the movable sealing head (7) is connected with the inner wall of the inner sleeve (2) in a sealing manner through the second sealing ring (72) and the third sealing ring (73).

9. The automatic flow regulating safety solenoid valve according to claim 8, wherein a second locking groove (74) and a third locking groove (75) are disposed on the side of the movable sealing head (7), the second sealing ring (72) is disposed in the second locking groove (74), and the third sealing ring (73) is disposed in the third locking groove (75).

10. The automatic flow regulating safety electromagnetic valve according to claim 1, characterized in that a fourth sealing ring (43) and a fifth sealing ring (44) are arranged on the fixed seat (4), and the fixed seat (4) is connected with the outer wall of the inner sleeve (2) in a sealing manner through the fourth sealing ring (43) and the fifth sealing ring (44).