CN203686275U - Two-way pressure release valve - Google Patents
Two-way pressure release valve Download PDFInfo
- Publication number
- CN203686275U CN203686275U CN201320775493.7U CN201320775493U CN203686275U CN 203686275 U CN203686275 U CN 203686275U CN 201320775493 U CN201320775493 U CN 201320775493U CN 203686275 U CN203686275 U CN 203686275U
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- housing
- spool group
- inner chamber
- sealing block
- main body
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Abstract
The utility model relates to a pressure release assembly, in particular to a two-way pressure release valve. The two-way pressure release valve comprises a casing and an upper cover flow-diversion body which is mounted at the upper part of the casing in a sealed manner, wherein a channel communicated with the inner chamber of the casing is formed in the upper cover flow-diversion body; a working flow channel and a discharge flow channel communicated with the inner chamber of the casing is arranged on the casing; a valve core group which is communicated with the channel and is sealed with the upper cover flow-diversion body is arranged in the casing; a reset device is arranged between the valve core group and the casing; in the working state, the valve core group is pushed by pressure, and cut off the communication between the discharge flow channel and the inner chamber of the casing through a sealing block so that the inner chamber of the casing is only communicated with the working flow channel; in the non-working state, the pressure is gone, the valve core group is reset, and the discharge flow channel is communicated with the inner chamber of the casing. The two-way pressure release valve is simple in structure, achieves the two-way communication function through a mechanical principle, is low in cost, and is long in service life.
Description
Technical field
The utility model relates to a kind of pressure release element, refers in particular to a kind of two pressure valves of removing heat by catharsis.
Background technique
In existing two three-way electromagnetic valves, there is airtight chamber, have through hole at diverse location, different gas/liquid body pipes is led in each hole, in the middle of chamber, it is valve, two sides is two blocks of electromagnet, which side the magnet coil energising valve body of which face will attracted to, come a grade hole of living or spill different exhaust/liquid by the movement of control valve body, and air inlet/liquid pores is often opened, gas/liquid body will enter different exhaust/liquid lines, then the piston that promotes oil cylinder by the pressure of gas/liquid body, piston drives again piston rod, and piston rod driving mechanical device is moving.And existing two three-way electromagnetic valves only reach the switching of path, control flow that cannot be random, and, existing two three-way electromagnetic valves belong to a kind of electronic component, easily damage, once occur that two three-way electromagnetic valves damage or coil is bad etc., can only change, cost is higher.
Model utility content
The technical problem that one, will solve
The purpose of this utility model is for the existing the problems referred to above of prior art, and it is a kind of simple in structure that spy provides, and completes two logical functions by Der Grundsatz der Maschinen, and cost is low, two of the long service life pressure valve of removing heat by catharsis.
Two, technological scheme
For solving the problems of the technologies described above, the utility model two pressure valve of removing heat by catharsis, include the upper cover deflector that housing and sealing are arranged on housing top, above-mentioned upper cover deflector is provided with the passage communicating with housing inner chamber, above-mentioned housing is provided with the work runner and the discharge flow path that communicate with housing inner chamber, wherein, in above-mentioned housing, be provided with the spool group sealing with channel connection and with upper cover deflector, between above-mentioned spool group and housing, be provided with resetting means, in working order time, pressure promotes spool group, spool group is cut off being communicated with of discharge flow path and housing inner chamber by a sealing block, housing inner chamber is only communicated with work runner, in the time of off position, pressure disappears, and spool group resets, and discharge flow path is communicated with housing inner chamber, that is, spool group is subject to the impact of the compressed spring-back force of sealing block self and resetting means elastic force, and in housing inner chamber disequilibrium and resetting.
As optimization, above-mentioned spool group is made up of the main body being connected together and accessory body, accessory body is arranged on outside main body top, the lower end of aforementioned body is against on above-mentioned resetting means, the upper end-hole of above-mentioned accessory body expands outwardly and is sealed and matched with upper cover deflector, on the sidewall of aforementioned body, radially have at least one through hole, above-mentioned accessory body bottom cover the aperture of through hole and with main body Spielpassung; Aforementioned body or accessory body are made up of firming body material, and above-mentioned accessory body or main body are made up of soft elastomer material.
As optimization, above-mentioned resetting means is spring or the elastic gel being arranged in housing, and above-mentioned spool group is against on spring or elastic gel, and above-mentioned spring or elastic gel can allow spool group reset in the time not working.
As optimization, the discharge stream road junction place in above-mentioned housing is provided with leg, and above-mentioned sealing block is inlaid in leg, has the endoporus that is communicated with housing inner chamber and discharge flow path on above-mentioned sealing block.
As optimization, the bottom surface of above-mentioned spool group has the gas pressure relief slot of one or more, and this gas pressure relief slot can be communicated with above-mentioned endoporus, and in the time that spool group and sealing block are sealed and matched, the upper surface of sealing block is embedded in gas pressure relief slot, reaches sealing completely.
As optimization, above-mentioned sealing block is arranged on spool group bottom, discharge stream road junction place in above-mentioned housing is provided with leg, the end face of this leg has one or more the gas pressure relief slot communicating with discharge flow path, when sealing block close when leg envelope coordinates, the bottom surface of sealing block is embedded in gas pressure relief slot, reaches sealing completely.
As optimization, the end face of above-mentioned sealing block is cambered surface, sphere or plane.
Three, the beneficial effects of the utility model
The utility model is adopted made of plastic substantially, low cost of manufacture; The pressure that utilizes gas/liquid body to produce seals discharge flow path, only leaves work runner, and gas/liquid body just can flow to working zone from work runner like this, then, by resetting means, gas/liquid body unnecessary in housing is discharged from discharge flow path; Simple in structure, each part replacement is convenient, long service life.
Accompanying drawing explanation
Fig. 1 is the remove heat by catharsis perspective view of pressure valve of the utility model two;
Fig. 2 is the remove heat by catharsis sectional drawing of pressure valve of the utility model mode of execution one or two;
Fig. 3 is the A portion enlarged view of Fig. 2;
Fig. 4 is the sectional drawing of the utility model two logical relief valve core groups;
Fig. 5 be the utility model mode of execution one housing partly cut open figure;
Fig. 6 is remove heat by catharsis pressure valve embodiment one work shape body sectional drawing of the utility model two;
Fig. 7 is remove heat by catharsis pressure valve embodiment one the shape body sectional drawing that quits work of the utility model two;
Fig. 8 is remove heat by catharsis pressure valve embodiment three sectional drawing of the utility model two;
Fig. 9 is the B portion enlarged view of Fig. 8.
Wherein, 1 is housing, and 2 is upper cover deflector, and 3 is passage, and 4 is work runner, and 5 is discharge flow path, and 6 is resetting means, and 7 is sealing block, and 8 is main body, and 9 is accessory body, and 10 is through hole, and 11 is endoporus, and 12 is leg, and 13 is gas pressure relief slot.
Embodiment
Below in conjunction with accompanying drawing, the utility model two pressure valve of removing heat by catharsis is described further:
Mode of execution one: as illustrated in fig. 1 and 2, the utility model two pressure valve of removing heat by catharsis, include the upper cover deflector 2 that housing 1 and sealing are arranged on housing 1 top, specifically, bottom at upper cover deflector 2 offers seal groove, in seal groove, be provided with "O"-ring, like this, realize being sealed and matched of upper cover deflector 2 and housing 1 inwall; Above-mentioned upper cover deflector 2 is provided with the passage 3 communicating with housing 1 inner chamber, like this, external gas/liquid body just can enter in housing 1 from passage 3, above-mentioned housing 1 is provided with the work runner 4 and the discharge flow path 5 that communicate with housing 1 inner chamber, above-mentioned work runner 4 can guide to working zone by gas/liquid body, and while quitting work, 5 of discharge flow paths are that the gas/liquid body in housing 1 is discharged into external; Wherein, in above-mentioned housing 1, be provided with the spool group that is communicated with passage 3 and seals with upper cover deflector 2, between above-mentioned spool group and housing 1, be provided with resetting means 6, in working order time, the pressure of gas/liquid body promotes spool group, spool group moves down, cut off being communicated with of discharge flow path 5 and housing 1 inner chamber by a sealing block 7, specifically, discharge flow path 5 is now in closed state, housing 1 inner chamber is only communicated with work runner 4, enter in work runner 4 through the gas/liquid body of spool group, arrive working zone and carry out work; In the time of off position, pressure disappears, and spool group resets under sealing block 7 and the common effect of resetting means 6, thereby discharge flow path 5 is communicated with housing 1 inner chamber, and gas/liquid body unnecessary in housing 1 inner chamber is discharged from from discharge flow path 5.
As shown in Figures 2 to 4, above-mentioned spool group is made up of the main body 8 being connected together and accessory body 9, accessory body 9 is arranged on outside main body 8 tops, the lower end of aforementioned body 8 is against on above-mentioned resetting means 6, the upper end-hole of above-mentioned accessory body 9 expands outwardly and is sealed and matched with upper cover deflector 2, the upper end of above-mentioned accessory body 9 is horn-like, on the sidewall of aforementioned body 8, radially have at least one through hole 10, the present embodiment offers two through holes 10, above-mentioned accessory body 9 bottoms cover the aperture of through hole 10 and with main body 8 Spielpassung, accessory body 9 bottoms are arranged to and main body 8 Spielpassung, its object is to remove heat by catharsis pressure valve in the time quitting work at the utility model two, gas/liquid body source head stops voltage supply, spool group internal pressure disappears, but still exist larger pressure in above-mentioned passage 3 and spool group, if not by its earth pressure release, spool group be stressed cannot on move, therefore, spool group is in the time of sealing block 7 and resetting means 6 acting in conjunction, pressure in passage 3 and spool group just can discharge from the gap of accessory body 9 bottoms and main body 8, spool group is moved on just can be smoothly, aforementioned body 8 or accessory body 9 are made up of firming body material, above-mentioned accessory body 9 or main body 8 are made up of soft elastomer material, in the present embodiment, main body 8 adopts firming body material to make, specifically, to be made by rigid plastics, accessory body 9 is to be made up of soft elastomer material, specifically, is to be made up of silica gel, certainly, above-mentioned material also can be manufactured by other connatural concrete materials.
Above-mentioned resetting means 6 is for being arranged on spring or the elastic gel in housing 1, in the present embodiment, resetting means 6 is spring, above-mentioned spool group is against on spring, above-mentioned spring can allow spool group utilize elastic force to be resetted in the time not working, and makes spool group depart from being sealed and matched between sealing block 7, thereby housing 1 inner chamber is communicated with discharge, like this, the gas/liquid body in inner chamber just can be discharged from discharge flow path 5.
As shown in Fig. 2 and 5, above-mentioned sealing block 7 is arranged on spool group bottom, and specifically, main body 8 bottoms have a mounting hole that runs through main body 8, make " work " font by the sealing block 7 of silica gel material, and sealing is arranged on above-mentioned mounting hole place, 5 mouthfuls of places of discharge flow path in above-mentioned housing 1 are provided with leg 12, and this leg 12 is corresponding Shang Xia 7 with sealing block, and in the time that spool group moves down, the bottom surface of sealing block 7 just can tightly be fitted in the upper surface of leg 12, the end face of above-mentioned leg 12 has one or more the gas pressure relief slot 13 communicating with discharge flow path 5, and the present embodiment has four gas pressure relief slots 13, in the time that sealing block 7 and leg 12 are sealed and matched, spool group is subject to the downward pushing of gas/liquid body pressure, and the bottom surface of sealing block 7 is embedded in gas pressure relief slot 13, reach sealing completely, now, discharge flow path 5 is in closed condition, and the gas/liquid body in housing 1 flows to working zone from work runner 4, and in the time of stop supplies gas/liquid body, the pressure pressing in spool group disappears, because sealing block 7 self exists elasticity, first can make the distortion of sealing block 7 bottom surfaces restore to the original state, this just makes housing 1 inner chamber be communicated with discharge flow path 5 by gas pressure relief slot 13, start preliminary pressure release, discharge gas/liquid body, simultaneously, pressure in passage 3 and spool group can discharge a part the gap between accessory body 9 bottoms and main body 8, afterwards, along with assisting of resetting means 6, spool group moves up further, sealing block 7 is thoroughly separated with leg 12, gas/liquid body in housing 1 inner chamber discharges fast.Resetting means 6 in the present embodiment is spring, and the two ends of this spring are socketed in respectively the end of leg 12 and spool group.
As shown in Figure 6, in working order time, the gas/liquid body of extraneous access enters in spool group by the passage 33 of upper cover deflector 2, in the process of persistent pressure, pressure in spool group increases, spool group is moved down, now, spring is compressed, and the sealing block 7 that is arranged on main body 8 bottoms touches the end face of leg 12, sealing block 7 is squeezed and is out of shape and is embedded in the gas pressure relief slot 13 that is opened in leg 12 end faces with the fitting surface of leg 12, make main body 8 and sealing sealing completely, discharge flow path 5 is closed, accessory body 9 upper ends are the pushing that trumpet-shaped opening is under pressure, inwall interference fit with upper cover deflector 2, realize sealing completely, and gap between accessory body 9 bottoms and main body 8 is under the effect of gas/liquid body pressure, doing a small amount of discharge always, in the time that the pressure in main body 8 acquires a certain degree, the bottom that pressure can be pushed accessory body 9 open by the through hole 10 being opened in main body 8, because having soft elastomer material silica gel, makes the present embodiment accessory body 9, so, the pressure that gas/liquid body produces is outwards pushed accessory body 9 open, thereby the gap between accessory body 9 bottoms and main body 8 is further opened, like this, being communicated with of larger flow realized with the inner chamber of housing 1 in the inside of spool group, so, external gas/liquid body is through passage 3, the inner chamber of the inner chamber of spool group and housing 1 flows to work runner 4, then be passed into concrete working zone from work runner 4.
As shown in Figure 7, in the time quitting work state, working zone is closed, work runner 4 is obstructed with working zone, the passage 3 of upper cover deflector 2 no longer passes into gas/liquid body, pressure in spool group weakens until disappear, the part that now sealing block 7 is embedded in gas pressure relief slot 13 is restored, housing 1 inner chamber is communicated with discharge flow path 5 by gas pressure relief slot 13, gas/liquid body in housing 1 inner chamber and work runner 4 carries out a small amount of discharge by gas pressure relief slot 13, simultaneously, pressure in passage 3 and spool group carries out pressure release by the gap between accessory body 9 bottoms and main body 8, in the time that pressure is less than the elastic force of spring, spool group is subject to the spring-back force of spring and the reset that moves up, and get back to original state, gas/liquid body in housing 1 inner chamber is just discharged from discharge flow path 5, original state is got back to by each mechanism.
Mode of execution two: the present embodiment and mode of execution one are basic identical, institute is no is that above-mentioned mounting hole is a blind hole, above-mentioned sealing block 7 is arranged in mounting hole, or adopt bonding way fixing seal piece 7, or adopt fixing snap fit that sealing block 7 is installed, concrete which kind of mode that adopts, can determine according to actual user demand or manufacture demand.
The elastic gel that the above-mentioned resetting means 6 of the present embodiment is column, this elastic gel is vertically fixedly installed on the bottom of housing 1 inner chamber, and is centered around around leg 12, and the top of elastic gel is against in aforementioned body 8; The main body 8 of above-mentioned spool group is made up of soft elastomer material, be specially silica gel, and accessory body 9 is made up of firming body material, is specially by rigid plastics and makes.
In working order time, gas/liquid body by the passage 3 of upper cover deflector 2 enter into spool group in, the gap of the gas/liquid body of its small amount between accessory body 9 bottoms and main body 8, flow to the inner chamber of housing 1, and in the time that the gas/liquid body applied pressure in spool group continues to increase, spool group entirety moves down, and the sealing block 7 that makes to be arranged on main body 8 bottoms is against the upper surface of leg 12, and moving down along with the increase of pressure, spool group, the bottom surface of the sealing block 7 of being made up of silica gel is embedded in the gas pressure relief slot 13 that is opened in leg 12 end faces, reaches sealing completely, in the time that spool group cannot move down, pressure in main body 8 is also increasing, the flow velocity that gas/liquid body in main body 8 inner chambers enters into housing 1 inner chamber by through hole 10 from the gap between accessory body 9 bottoms and main body 8 cannot be met, the pressure that gas/liquid body produces is in the interior sharp increase of through hole 10, because the present embodiment accessory body 9 is made for rigid plastics, and main body 8 adopts silica gel to make, therefore, when pressure increases, main body 8 outer walls at through hole 10 places can be out of shape and cave inward, increase the gap between accessory body 9 bottoms and main body 8 outer walls, like this, gas/liquid body in main body 8 inner chambers has obtained discharging fast, arrive working zone through housing 1 inner chamber and work runner 4.
And in the time quitting work state, described in mode of execution one.
Figure slightly.
Mode of execution three: as shown in FIG. 8 and 9, the present embodiment and mode of execution one, mode of execution two are basic identical, difference is that the 5 mouthfuls of places of discharge flow path in above-mentioned housing 1 are provided with leg 12, above-mentioned sealing block 7 is inlaid in leg 12, has the endoporus 11 that is communicated with housing 1 inner chamber and discharge flow path 5 on above-mentioned sealing block 7; The bottom surface of above-mentioned spool group has the gas pressure relief slot 13 of one or more, the present embodiment specifically offers three gas pressure relief slots 13, this gas pressure relief slot 13 can be communicated with above-mentioned endoporus 11, specifically, in the time of the outer bottom of main body 8 and the laminating of the end face of sealing block 7, gas pressure relief slot 13 has been communicated with inner chamber and the discharge flow path 5 of housing 1; In the time that spool group and sealing block 7 are sealed and matched, because of the promotion of be bullied/fluid pressure of spool group, aforementioned body 8 can be with larger defeating on sealing block 7, and therefore, the upper surface stress deformation of sealing block 7 is also embedded in gas pressure relief slot 13, reaches sealing completely.
In the present embodiment, above-mentioned resetting means 6 is spring, and the two ends of this spring are socketed in respectively in leg 12 and main body 8; Spring in the present embodiment is general coil tension spring, and those skilled in the art also can do suitable malformation, replaces to the spring of torsion spring and other types, to meet the needs that move reset in spool group.
For sealing block 7 and gas pressure relief slot 13 can reach better sealing effect, the end face of the present embodiment sealing block 7 is set to sphere, certainly, also can be arranged to according to the actual needs cambered surface, plane or the good shape of other sealing effects.
Its working procedure is as described in mode of execution one, mode of execution two.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. the pressure valve of removing heat by catharsis, include the upper cover deflector that housing and sealing are arranged on housing top, described upper cover deflector is provided with the passage communicating with housing inner chamber, described housing is provided with the work runner and the discharge flow path that communicate with housing inner chamber, it is characterized in that: in described housing, be provided with the spool group sealing with channel connection and with upper cover deflector, between described spool group and housing, be provided with resetting means, in working order time, pressure promotes spool group, spool group is cut off being communicated with of discharge flow path and housing inner chamber by a sealing block, housing inner chamber is only communicated with work runner, in the time of off position, pressure disappears, and spool group resets, and discharge flow path is communicated with housing inner chamber.
2. according to claim 1 two pressure valves of removing heat by catharsis, it is characterized in that: described spool group is made up of the main body being connected together and accessory body, accessory body is arranged on outside main body top, the lower end of described main body is against on described resetting means, the upper end-hole of described accessory body expands outwardly and is sealed and matched with upper cover deflector, on the sidewall of described main body, radially have at least one through hole, described accessory body bottom cover the aperture of through hole and with main body Spielpassung; Described main body or accessory body are made up of firming body material, and described accessory body or main body are made up of soft elastomer material.
3. according to claim 1 and 2 two pressure valves of removing heat by catharsis, it is characterized in that: described resetting means is spring or the elastic gel being arranged in housing, described spool group is against on spring or elastic gel, and described spring or elastic gel can allow spool group reset in the time not working.
4. according to claim 3 two pressure valves of removing heat by catharsis, is characterized in that: the discharge stream road junction place in described housing is provided with leg, and described sealing block is inlaid in leg, have the endoporus that is communicated with housing inner chamber and discharge flow path on described sealing block.
5. according to claim 4 two pressure valves of removing heat by catharsis, it is characterized in that: the bottom surface of described spool group has the gas pressure relief slot of one or more, this gas pressure relief slot can be communicated with described endoporus, in the time that spool group and sealing block are sealed and matched, the upper surface of sealing block is embedded in gas pressure relief slot, reaches sealing completely.
6. according to claim 3 two pressure valves of removing heat by catharsis, it is characterized in that: described sealing block is arranged on spool group bottom, discharge stream road junction place in described housing is provided with leg, the end face of this leg has one or more the gas pressure relief slot communicating with discharge flow path, in the time that sealing block and leg are sealed and matched, the bottom surface of sealing block is embedded in gas pressure relief slot, reaches sealing completely.
7. according to the pressure valve of removing heat by catharsis of two described in claim 4 to 6 any one, it is characterized in that: the end face of described sealing block is cambered surface, sphere or plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775493.7U CN203686275U (en) | 2013-11-29 | 2013-11-29 | Two-way pressure release valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775493.7U CN203686275U (en) | 2013-11-29 | 2013-11-29 | Two-way pressure release valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203686275U true CN203686275U (en) | 2014-07-02 |
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ID=51008175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320775493.7U Expired - Fee Related CN203686275U (en) | 2013-11-29 | 2013-11-29 | Two-way pressure release valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203686275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615580A (en) * | 2013-11-29 | 2014-03-05 | 宁波西文电器有限公司 | Two-way decompression valve |
-
2013
- 2013-11-29 CN CN201320775493.7U patent/CN203686275U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615580A (en) * | 2013-11-29 | 2014-03-05 | 宁波西文电器有限公司 | Two-way decompression valve |
| WO2015078096A1 (en) * | 2013-11-29 | 2015-06-04 | 宁波西文电器有限公司 | Two-way pressure relief valve |
| CN103615580B (en) * | 2013-11-29 | 2015-11-04 | 宁波西文电器有限公司 | Two relief valve |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20151129 |