CN210715970U - High-temperature exhaust valve - Google Patents
High-temperature exhaust valve Download PDFInfo
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- CN210715970U CN210715970U CN201921643813.7U CN201921643813U CN210715970U CN 210715970 U CN210715970 U CN 210715970U CN 201921643813 U CN201921643813 U CN 201921643813U CN 210715970 U CN210715970 U CN 210715970U
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- valve
- pressure spring
- high temperature
- insert block
- adjusting bolt
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Abstract
The utility model discloses a high-temperature exhaust valve, which belongs to the technical field of exhaust valves and comprises a valve seat, a valve cover, a valve core, a pressure spring catch, a spring mounting post, an insert block, a driving unit and a pressure spring, wherein the valve cover with an air outlet nozzle is connected on the valve seat through a flange at the bottom; the lifting rods are arranged on two sides of the pressure spring retaining piece, the insert block is arranged between the lifting rods and the top of the guide sleeve, the top surface of an insert block arm of the insert block is obliquely arranged from front to back, and the rear end of the insert block penetrates through the side wall of the valve cover and then is connected with the working end of the driving unit. The utility model discloses high temperature discharge valve sets up can make things convenient for safe the operation of exhausting at the top of incubator.
Description
Technical Field
The utility model relates to an exhaust valve technical field especially relates to a high temperature exhaust valve.
Background
When detecting electronic components or other products and materials thereof, an environment simulation incubator is often used, and the incubator is filled with high-temperature, high-humidity and high-pressure air to simulate the limit use environment of the electronic components or other products and materials thereof. At the moment, a safety valve and an exhaust valve are required to be installed at the top of the incubator, so that the safety in the operation process of the simulation experiment is ensured. The explosion is avoided through the set limit pressure of the safety valve, and when the box opening operation is carried out through the exhaust valve, the exhaust is carried out at first, so that the condition that people are injured by hot air is avoided.
However, the existing exhaust valve often needs to be manually exhausted, and the exhaust valve arranged at the top of the box body is inconvenient for exhaust operation. Therefore, it is necessary to develop a new high temperature exhaust valve in view of the above disadvantages.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high temperature discharge valve sets up can make things convenient for safe the operation of exhausting at the top of incubator.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a high-temperature exhaust valve, including valve seat, valve gap, case, pressure spring separation blade, spring erection column, inserted block, drive unit and pressure spring, the valve gap that has the air outlet mouth passes through the flange connection of bottom on the valve seat, the conical head of case seals the butt at the air vent top of valve seat, case conical head rear portion is provided with the guide post, the guide post is in the guide sleeve inside the valve gap direction slides, the guide post top is connected pressure spring separation blade and spring erection column, the pressure spring sets up outside the spring erection column and both ends butt in the top cap inboard of pressure spring separation blade and valve gap; the lifting rod is arranged on two sides of the pressure spring retaining piece, the insert block is arranged between the lifting rod and the top of the guide sleeve, the top surface of an insert block arm of the insert block is inclined from low front to high back, and the rear end of the insert block penetrates through the side wall of the valve cover and then is connected with the working end of the driving unit.
Further, the cross-section of guide post is square, the hole cooperation of uide bushing the guide post is the square hole, the cross-section appearance of uide bushing is also square, two the inboard below of inserted block arm is provided with L type breach joint the top side of uide bushing.
Furthermore, a stud is arranged at the bottom end of the spring mounting column, penetrates through a middle hole of the pressure spring separation blade and is in threaded connection with a second threaded hole in the top of the guide column, and the pressure spring separation blade is pressed on the top of the guide column.
Furthermore, the driving unit specifically adopts any one of an air cylinder, a hydraulic cylinder or a push rod motor, and the working end of the driving unit drives the insertion block to reciprocate back and forth.
Furthermore, a pressure spring sleeve head is arranged at the top end of the spring mounting column, the bottom surface of the pressure spring sleeve head is in compression joint with the top surface of the pressure spring, the top surface of the pressure spring sleeve head is abutted against the bottom end of an adjusting bolt, and the adjusting bolt is in threaded connection with a first threaded hole in the center of the top of the valve cover.
Furthermore, a locking nut is arranged on the adjusting bolt, and the adjusting bolt is locked by screwing the locking nut to the top of the valve cover.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model relates to a high temperature exhaust valve, through the reciprocating motion around the drive unit drive inserted block, during the locking, the inserted block moves back, and the inserted block arm top surface of inserted block leaves certain gap with the pole of rising, and the pressure spring compresses tightly the pressure spring separation blade this moment, and the pressure spring separation blade is pushing away the guide post and the sealed butt of conical head is at the air vent top of disk seat for the inside and the outside of incubator is isolated; when the air is exhausted, the insert block moves forwards under the pushing of the driving unit, the top surface of the arm of the insert block is changed from a low position to a high temperature through the inclined surface below the lifting rod to jack the lifting rod, the lifting rod drives the guide post and the conical head to retreat and contract backwards by overcoming the pressing force of the pressure spring, at the moment, the conical head leaves the top of the vent hole, the inside and the outside of the incubator are communicated, and the air begins to be exhausted through the air outlet nozzle. The utility model discloses high temperature discharge valve has avoided artificial pulling air discharge valve core, carries out the operation of exhausting through remote control drive unit, safe convenient and reliable.
In addition, the L-shaped notches are arranged below the inner sides of the two insertion block arms and are clamped on the top side of the guide sleeve, so that the insertion blocks can be guided to move back and forth under the pushing of the driving unit, and the dislocation situation is avoided; through threaded connection's spring erection post and guide post, convenient to detach is convenient for dismouting maintenance operation. Through the setting of adjusting bolt and pressure spring pullover, the compression length that adjusting bolt's screw in and the length of unscrewing can adjust the pressure spring and then the packing force of adjustment pressure spring is further adjusted the conical head compresses tightly the pressure at air vent top, that is to say can set up through adjusting bolt the utility model discloses the effect of pressure is opened in high temperature exhaust valve's relief valve setting. Through the female effect of lock, be convenient for with the adjusting bolt locking of adjusting, prevent that adjusting bolt is in the utility model discloses high temperature exhaust valve's the not hard up that open closed in-process vibration arouses.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic sectional view of the high temperature exhaust valve of the present invention;
FIG. 2 is a schematic top view of the high temperature exhaust valve of the present invention;
FIG. 3 is a schematic view of the structure of the action part of the insert block of the present invention;
FIG. 4 is a view taken along line A of FIG. 3;
description of reference numerals: 1. a valve seat; 101. a vent hole; 2. a valve cover; 201. a guide sleeve; 202. an air outlet nozzle; 203. a first threaded hole; 3. a valve core; 301. a guide post; 302. a second threaded hole; 4. a pressure spring catch; 401. lifting the rod; 5. a spring mounting post; 6. a pressure spring sleeve head; 7. adjusting the bolt; 701. locking a nut; 8. inserting a block; 9. a drive unit; 901. a support; 10. and (5) pressing a spring.
Detailed Description
The core of the utility model is to provide a high temperature exhaust valve, the top of setting at the incubator can make things convenient for safe the operation of exhausting.
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Description of the drawings in the following detailed description, the upper, lower, left and right descriptions are for illustrative purposes only and should not be construed as limiting the invention.
Referring to the drawings, fig. 1 is a schematic sectional structure view of the high-temperature exhaust valve of the present invention; FIG. 2 is a schematic top view of the high temperature exhaust valve of the present invention; FIG. 3 is a schematic view of the structure of the action part of the insert block of the present invention; fig. 4 is a view taken along direction a of fig. 3.
In a specific embodiment of the present invention, as shown in fig. 1 and fig. 2, a high temperature exhaust valve is disposed at the top of a thermal box, including a valve seat 1, a valve cover 2, a valve core 3, a pressure spring catch 4, a spring mounting post 5, an insert 8, a driving unit 9 and a pressure spring 10, the valve cover 2 with an air outlet 202 is connected to the valve seat 1 through a flange at the bottom, a conical head of the valve core 3 is abutted against the top of an air vent 101 of the valve seat 1 in a sealing manner, the air vent 101 is communicated with the inside of the thermal box, a guide post 301 is disposed at the rear of the conical head of the valve core 3, the guide post 301 is guided to slide in a guide sleeve 201 inside the valve cover 2, the top of the guide post 301 is connected to the pressure spring catch 4 and the spring mounting post 5, the pressure spring 10 is disposed outside the spring mounting post 5; two sides of the pressure spring retaining piece 4 are provided with lifting rods 401, an insert block 8 is arranged between the lifting rods 401 and the top of the guide sleeve 201, the top surface of an insert block arm 801 of the insert block 8 is inclined from low front to high back, and the rear end of the insert block 8 penetrates through the side wall of the valve cover 2 and then is connected with the working end of the driving unit 9 and is driven by the driving unit 9 to reciprocate back and forth; the driving unit 9 is mounted on the outer sidewall of the bonnet 2 by a seat.
The driving unit 9 drives the insert block 8 to reciprocate back and forth, when the lock is closed, the insert block 8 moves back, the top surface of an insert block arm 801 of the insert block 8 and the lifting rod 401 leave a certain gap, at the moment, the pressure spring 10 compresses the pressure spring blocking piece 4, and the pressure spring blocking piece 4 pushes the guide column 301 and the conical head to be in sealing and abutting connection with the top of the vent hole 101 of the valve seat 1, so that the inside and the outside of the incubator are isolated; during air exhaust, the insert block 8 moves forward under the pushing of the driving unit 9, the top surface of the insert block arm 801 is changed from a low position to a high temperature through an inclined surface below the lifting rod 401 to jack the lifting rod 401, the lifting rod 401 drives the guide post 301 and the conical head to retreat backward against the pressing force of the compression spring 10, at the moment, the conical head leaves the top of the vent hole 101, the inside and the outside of the incubator are communicated, and air exhaust through the air outlet nozzle 202 is started. The utility model discloses high temperature discharge valve has avoided artificial pulling air discharge valve core, carries out the operation of exhausting, safe convenient and reliable through remote control drive unit 9.
In a specific embodiment of the present invention, as shown in fig. 2 to 4, the cross section of the guiding post 301 is square, the inner hole of the guiding sleeve 201 is matched with the guiding post 301 to form a square hole, the cross section of the guiding sleeve 201 is also square, and the top side of the L-shaped notch clamping guiding sleeve 201 is arranged below the inner sides of the two insertion block arms 801.
Specifically, a stud is arranged at the bottom end of the spring mounting column 5, penetrates through a middle hole of the pressure spring catch 4 and then is in threaded connection with a second threaded hole 302 in the top of the guide column 301, and the pressure spring catch 4 is pressed on the top of the guide column 301.
The top side of the guide sleeve 201 is clamped through the L-shaped notch arranged below the inner sides of the two insertion block arms 801, so that the insertion block 8 can be guided to move back and forth under the pushing of the driving unit 9, and the dislocation situation is avoided; through threaded connection's spring erection post 5 and guide post 301, convenient to detach, the dismouting maintenance operation of being convenient for.
In a specific embodiment of the present invention, as shown in fig. 1 and fig. 2, the driving unit 9 specifically adopts any one of a cylinder, a hydraulic cylinder or a push rod motor, and the working end of the driving unit 9 drives the insert block 8 to reciprocate back and forth. In this embodiment, a cylinder is preferable as the driving unit 9, and the operation is flexible and the practicability is strong.
In a specific embodiment of the present invention, as shown in fig. 1 and 2, the top end of the spring mounting post 5 is sleeved with a pressure spring sleeve head 6, the bottom surface of the pressure spring sleeve head 6 is pressed against the top surface of the pressure spring 10, the top surface of the pressure spring sleeve head 6 is abutted with the bottom end of the adjusting bolt 7, and the adjusting bolt 7 is screwed into the first threaded hole 203 at the top center of the valve cover 2.
Specifically, the adjusting bolt 7 is provided with a lock nut 701, and the lock nut 701 is screwed to the top of the bonnet 2 to lock the adjusting bolt 7.
Through adjusting bolt 7 and the setting of pressure spring pullover 6, the length of adjusting bolt 7's screw in and screw out can adjust the compression length of pressure spring 10 and then adjust the packing force of pressure spring 10, is further adjusting the conical head compresses tightly the pressure at air vent 101 top, that is to say can set up through adjusting bolt 7 the utility model discloses high temperature vent valve's relief valve sets up the effect of opening pressure. Through the effect of the lock nut 701, be convenient for lock the adjusting bolt 7 who adjusts, prevent that adjusting bolt 7 is in the utility model discloses the not hard up that closed in-process vibration arouses of opening of high temperature exhaust valve.
The high-temperature exhaust valve of the utility model drives the insert block 8 to reciprocate back and forth through the driving unit 9, when the valve is locked, the insert block 8 moves back, the top surface of the insert block arm 801 of the insert block 8 and the lifting rod 401 leave a certain gap, at the moment, the pressure spring 10 compresses the pressure spring catch 4, and the pressure spring catch 4 pushes the guide post 301 and the conical head to be butted on the top of the air vent 101 of the valve seat 1 in a sealing way, so that the inside and the outside of the incubator are isolated; during air exhaust, the insert block 8 moves forward under the pushing of the driving unit 9, the top surface of the insert block arm 801 is changed from a low position to a high temperature through an inclined surface below the lifting rod 401 to jack the lifting rod 401, the lifting rod 401 drives the guide post 301 and the conical head to retreat backward against the pressing force of the compression spring 10, at the moment, the conical head leaves the top of the vent hole 101, the inside and the outside of the incubator are communicated, and air exhaust through the air outlet nozzle 202 is started. The utility model discloses high temperature discharge valve has avoided artificial pulling air discharge valve core, carries out the operation of exhausting, safe convenient and reliable through remote control drive unit 9. In addition, the top side of the guide sleeve 201 is clamped by an L-shaped notch arranged below the inner sides of the two insertion block arms 801, so that the insertion block 8 can be guided to move back and forth under the pushing of the driving unit 9, and the dislocation situation is avoided; through threaded connection's spring erection post 5 and guide post 301, convenient to detach, the dismouting maintenance operation of being convenient for. Through adjusting bolt 7 and the setting of pressure spring pullover 6, the length of adjusting bolt 7's screw in and screw out can adjust the compression length of pressure spring 10 and then adjust the packing force of pressure spring 10, is further adjusting the conical head compresses tightly the pressure at air vent 101 top, that is to say can set up through adjusting bolt 7 the utility model discloses high temperature vent valve's relief valve sets up the effect of opening pressure. Through the effect of the lock nut 701, be convenient for lock the adjusting bolt 7 who adjusts, prevent that adjusting bolt 7 is in the utility model discloses the not hard up that closed in-process vibration arouses of opening of high temperature exhaust valve.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (6)
1. A high temperature discharge valve characterized in that: the valve cover with the air outlet nozzle (202) is connected to the valve seat (1) through a flange at the bottom, a conical head of the valve core (3) is in sealing abutting connection with the top of an air vent (101) of the valve seat (1), a guide column (301) is arranged at the rear part of the conical head of the valve core (3), the guide column (301) is guided and slides in a guide sleeve (201) in the valve cover (2), the top of the guide column (301) is connected with the pressure spring retaining sheet (4) and the spring mounting column (5), the pressure spring (10) is arranged outside the spring mounting column (5), and two ends of the pressure spring (10) are in abutting connection with the inner sides of top covers of the pressure spring retaining sheet (4) and the valve cover (2); pressure spring separation blade (4) both sides are provided with and lift up pole (401), lift up pole (401) with set up between the top of uide bushing (201) inserted block (8), the high slope setting in low back before inserted block arm (801) top of inserted block (8), the rear end of inserted block (8) passes connect behind the lateral wall of valve gap (2) the work end of drive unit (9).
2. A high temperature vent valve as set forth in claim 1, wherein: the cross-section of guide post (301) is square, the hole cooperation of uide bushing (201) guide post (301) are the square hole, the cross-section appearance of uide bushing (201) also is square, two the inboard below of inserted block arm (801) is provided with L type breach joint the top side of uide bushing (201).
3. A high temperature vent valve as set forth in claim 1, wherein: the bottom end of the spring mounting column (5) is provided with a stud, the stud penetrates through a middle hole of the pressure spring retaining sheet (4) and then is in threaded connection with a second threaded hole (302) in the top of the guide column (301), and the pressure spring retaining sheet (4) is pressed against the top of the guide column (301).
4. A high temperature vent valve as set forth in claim 1, wherein: the driving unit (9) specifically adopts any one of an air cylinder, a hydraulic cylinder or a push rod motor, and the working end of the driving unit (9) drives the insertion block (8) to reciprocate back and forth.
5. A high temperature vent valve as set forth in claim 1, wherein: the top of spring erection post (5) is provided with pressure spring pullover (6), the bottom surface crimping of pressure spring pullover (6) the top surface of pressure spring (10), the top surface butt joint of pressure spring pullover (6) has the bottom of adjusting bolt (7), adjusting bolt (7) threaded connection first screw hole (203) of valve gap (2) top central point position.
6. A high temperature vent valve as set forth in claim 5, wherein: the adjusting bolt (7) is provided with a lock nut (701), and the lock nut (701) is screwed on the top of the valve cover (2) to lock the adjusting bolt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921643813.7U CN210715970U (en) | 2019-09-29 | 2019-09-29 | High-temperature exhaust valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921643813.7U CN210715970U (en) | 2019-09-29 | 2019-09-29 | High-temperature exhaust valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210715970U true CN210715970U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921643813.7U Active CN210715970U (en) | 2019-09-29 | 2019-09-29 | High-temperature exhaust valve |
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| CN (1) | CN210715970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706688A (en) * | 2020-07-20 | 2020-09-25 | 杭州科技职业技术学院 | LNG ultra-low temperature valve |
-
2019
- 2019-09-29 CN CN201921643813.7U patent/CN210715970U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706688A (en) * | 2020-07-20 | 2020-09-25 | 杭州科技职业技术学院 | LNG ultra-low temperature valve |
| CN111706688B (en) * | 2020-07-20 | 2022-03-29 | 杭州科技职业技术学院 | LNG ultra-low temperature valve |
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