CN213871270U - Pressure balance and pressure relief device of environmental test chamber - Google Patents
Pressure balance and pressure relief device of environmental test chamber Download PDFInfo
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- CN213871270U CN213871270U CN202022903043.4U CN202022903043U CN213871270U CN 213871270 U CN213871270 U CN 213871270U CN 202022903043 U CN202022903043 U CN 202022903043U CN 213871270 U CN213871270 U CN 213871270U
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Abstract
The application discloses environmental test case pressure balance pressure relief device, including environmental test case and stainless steel pipeline, hydraulic balance pipeline, hydraulic piston and the threaded rod of setting at the environmental test roof portion, environmental test bottom of the case fixed connection base, shaft department runs through fixed connection stainless steel pipeline in the environmental test roof portion, stainless steel pipeline top runs through and fixed connection hydraulic balance pipeline, the inboard symmetrical sliding connection hydraulic piston of hydraulic balance pipeline. In order to improve balanced pressure release effect, when environmental test case internal pressure was too high, during inside gas entered into hydraulic balance pipeline through the stainless steel pipeline, extrusion hydraulic piston moved to both sides simultaneously, and hydraulic piston drives the spring rather than the rigid coupling and moves to both sides, and the spring shrink, when hydraulic piston moved to pressure release hole one side, inside gas passed through the pressure release hole and discharged inside gas hydraulic balance pipeline, kept unanimous with ambient pressure.
Description
Technical Field
The application relates to a pressure balance pressure relief device, in particular to a pressure balance pressure relief device of an environmental test chamber.
Background
The scientific name of the environmental test chamber is 'high-low temperature test chamber' which refers to a test chamber for simulating natural environment, mainly detects whether products are high-low temperature resistant, and is necessary test equipment in the fields of aviation, automobiles, household appliances, scientific research and the like, and because the temperature and humidity range of the environmental test chamber is very wide, the temperature of-70-150 ℃ and the humidity of 20-98% RH can be frequently reached, and when different temperatures are rapidly converted, the pressure difference can be generated inside and outside the test chamber, so that the machine performance is deviated, and even the structure of the equipment is damaged, and therefore, a pressure balancing device is very necessary to be arranged.
The traditional pressure balance pressure relief device has a complex structure, and the effect of balance pressure relief is not good; most other pressure relief devices are not easily operated. Therefore, the pressure balancing and pressure relieving device for the environmental test chamber is provided for solving the problems.
Disclosure of Invention
An environment test box pressure balance pressure relief device comprises an environment test box, a stainless steel pipeline, a hydraulic balance pipeline, a hydraulic piston and a threaded rod, wherein the stainless steel pipeline, the hydraulic balance pipeline, the hydraulic piston and the threaded rod are arranged at the top of the environment test box, the bottom of the environment test box is fixedly connected with a base, the middle shaft at the top of the environment test box penetrates through the stainless steel pipeline, the top of the stainless steel pipeline penetrates through and is fixedly connected with the hydraulic balance pipeline, the inner sides of the hydraulic balance pipeline are symmetrically and slidably connected with the hydraulic piston, the left side and the right side of the hydraulic balance pipeline are fixedly connected with fixed rods, the inner sides of the fixed rods are provided with pushing grooves, one sides of the pushing grooves are fixedly connected with fixed blocks, one sides of the fixed blocks are in threaded connection with the threaded rod, the surface of the threaded rod is in threaded connection with a first sliding block, the middle shafts at the left side and the right side of the hydraulic balance pipeline are fixedly connected with sealing blocks, and the threaded rod penetrates through the hydraulic balance pipeline and the sealing blocks and is fixedly connected with the rotating rod, the inboard fixed connection a plurality of hydraulic pressure balance pipeline connects the stopper, just the even distribution of stopper is inboard at hydraulic pressure balance pipeline.
Furthermore, one side of the hydraulic piston is fixedly connected with a spring, the other side of the spring is fixedly connected with a second sliding block, and the spring is sleeved with one side of the fixing rod.
Furthermore, the bottom of the hydraulic balance pipeline is symmetrically and fixedly connected with a fixed shell, and one side of the bottom of the fixed shell is fixedly connected with a filter screen.
Furthermore, pressure relief holes are symmetrically formed in the bottom of the hydraulic balance pipeline, the bottom of each pressure relief hole is opposite to the middle shaft at the top of the fixing shell, and a through hole matched with the pressure relief holes is formed in the middle shaft at the top of the fixing shell.
Furthermore, the upper side and the lower side of the first sliding block penetrate through a fixing rod and are fixedly connected with a second sliding block, the two sides of the second sliding block are slidably connected with a hydraulic balance pipeline, and a sliding groove matched with the first sliding block is formed in the fixing rod.
Furthermore, one side of the hydraulic balance pipeline is fixedly connected with a bearing outer ring, and the bearing inner ring is fixedly connected with a threaded rod.
The beneficial effect of this application is: the application provides an environmental test case pressure balance pressure relief device.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic overall perspective view of an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;
fig. 3 is a schematic view of a portion a of fig. 2 according to an embodiment of the present disclosure.
In the figure: 1. environmental test case, 2, base, 3, stainless steel pipeline, 4, hydraulic balance pipeline, 5, threaded rod, 6, dwang, 7, sealed piece, 8, bearing, 9, impel the groove, 10, dead lever, 11, fixed block, 12, first slider, 13, second slider, 14, hydraulic piston, 15, spring, 16, stopper, 17, pressure release hole, 18, set casing, 19, filter screen.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-3, an environmental test chamber pressure balancing and relieving device includes an environmental test chamber 1, a stainless steel pipeline 3, a hydraulic balance pipeline 4, a hydraulic piston 14 and a threaded rod 5, the stainless steel pipeline 3, the hydraulic balance pipeline 4, the hydraulic piston 14 and the threaded rod 5 are disposed on the top of the environmental test chamber 1, the bottom of the environmental test chamber 1 is fixedly connected to a base 2, the top center shaft of the top of the environmental test chamber 1 is fixedly connected to the stainless steel pipeline 3, the top of the stainless steel pipeline 3 is fixedly connected to the hydraulic balance pipeline 4, the inner side of the hydraulic balance pipeline 4 is symmetrically connected to the hydraulic piston 14 in a sliding manner, the left and right sides of the hydraulic balance pipeline 4 are fixedly connected to a fixing rod 10, the inner side of the fixing rod 10 is provided with a propelling groove 9, one side of the propelling groove 9 is fixedly connected to a fixing block 11, one side of the fixing block 11 is connected to the threaded rod 5 in a threaded manner, the surface of the threaded rod 5 is connected to a first sliding block 12, the sealed piece 7 of hydraulic balance pipeline 4 left and right sides axis department fixed connection, threaded rod 5 runs through hydraulic balance pipeline 4 and sealed piece 7 and dwang 6 fixed connection, the inboard fixed connection a plurality of hydraulic balance pipeline 4 connects stopper 16, just the even distribution of stopper 16 is inboard at hydraulic balance pipeline 4.
One side of the hydraulic piston 14 is fixedly connected with a spring 15, the other side of the spring 15 is fixedly connected with a second sliding block 13, and the spring 15 is sleeved on one side of the fixed rod 10; the bottom of the hydraulic balance pipeline 4 is symmetrically and fixedly connected with a fixed shell 18, and one side of the bottom of the fixed shell 18 is fixedly connected with a filter screen 19; the bottom of the hydraulic balance pipeline 4 is symmetrically provided with pressure relief holes 17, the bottoms of the pressure relief holes 17 are opposite to a center shaft at the top of the fixed shell 18, and a through hole matched with the pressure relief holes 17 is formed in the center shaft at the top of the fixed shell 18; the upper side and the lower side of the first sliding block 12 penetrate through a fixed rod 10 and are fixedly connected with a second sliding block 13, the two sides of the second sliding block 13 are connected with a hydraulic balance pipeline 4 in a sliding mode, and a sliding groove matched with the first sliding block 12 is formed in the fixed rod 10; one side of the hydraulic balance pipeline 4 is fixedly connected with an outer ring of a bearing 8, and an inner ring of the bearing 8 is fixedly connected with a threaded rod 5.
When the environment test box is used, electrical components in the environment test box are externally connected with a power supply and a control switch, firstly, when the internal pressure of the environment test box 1 is too high, internal gas enters a hydraulic balance pipeline 4 through a stainless steel pipeline 3, a hydraulic piston 14 is extruded to move towards two sides, the hydraulic piston 14 drives a spring 15 fixedly connected with the hydraulic piston to move towards two sides, the spring 15 contracts, and when the hydraulic piston 14 moves to one side of a pressure relief hole 17, the internal gas is exhausted out of the hydraulic balance pipeline 4 through the pressure relief hole 17 to keep consistent with the external pressure; when the temperature difference between the inside and the outside is too large, so that the pressure in the box is lower than the pressure outside the box, the rotating rod 6 is rotated, the rotating rod 6 drives the threaded rod 5 fixedly connected with the rotating rod to rotate, the threaded rod 6 drives the first sliding block 12 in threaded connection with the surface to move towards two sides, meanwhile, the first sliding block 12 penetrates through the fixed rod 10 to drive the second sliding block 13 fixedly connected with the first sliding block to move towards two sides, the second sliding block 13 drives the spring 15 fixedly connected with the second sliding block to extend, meanwhile, the spring 15 drives the hydraulic piston 14 at the other side to move outwards, when the external gas moves through the pressure relief hole 17, the external gas enters the hydraulic pressure balance pipeline 4, the internal pressure; in order to prevent external dust from entering the box, a filter screen 19 is fixedly connected to one side of the fixed shell 18 to filter the dust.
The application has the advantages that:
1. in order to improve the effect of balanced pressure release, when the internal pressure of the environmental test chamber is too high, the internal gas enters the hydraulic balanced pipeline through the stainless steel pipeline, the hydraulic piston is simultaneously extruded to move towards two sides, the hydraulic piston drives the spring fixedly connected with the hydraulic piston to move towards two sides, and the spring contracts;
2. this application is rational in infrastructure, when the inside and outside difference in temperature is too big, when leading to incasement pressure to be less than the incasement pressure, rotate the dwang, the dwang drives the threaded rod rotation rather than the rigid coupling, the threaded rod drives the first slider of surperficial threaded connection and removes to both sides, first slider runs through the second slider that the dead lever drove rather than the rigid coupling simultaneously and removes to both sides, the second slider drives the spring extension rather than the rigid coupling, the spring drives opposite side hydraulic piston outwards removal simultaneously, when removing the pressure release hole, in external gas gets into the hydraulic pressure balance pipeline, make the outer rapid answer balance of internal pressure, the rationality of structure has been embodied.
It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. The utility model provides an environmental test case pressure balance pressure relief device which characterized in that: the environment-friendly hydraulic balance device comprises an environment test box (1), and a stainless steel pipeline (3), a hydraulic balance pipeline (4), a hydraulic piston (14) and a threaded rod (5) which are arranged at the top of the environment test box (1), wherein the bottom of the environment test box (1) is fixedly connected with a base (2), a central shaft at the top of the environment test box (1) is fixedly connected with the stainless steel pipeline (3) in a penetrating way, the top of the stainless steel pipeline (3) is penetrated and fixedly connected with the hydraulic balance pipeline (4), the inner side of the hydraulic balance pipeline (4) is symmetrically and slidably connected with the hydraulic piston (14), fixing rods (10) are fixedly connected with the left side and the right side of the hydraulic balance pipeline (4), a propelling groove (9) is formed in the inner side of each fixing rod (10), one side of each propelling groove (9) is fixedly connected with a fixing, threaded rod (5) surface threaded connection first slider (12), hydraulic balance pipeline (4) left and right sides axis department fixed connection seals piece (7), threaded rod (5) run through hydraulic balance pipeline (4) and sealed piece (7) and dwang (6) fixed connection, the inboard fixed connection a plurality of hydraulic balance pipeline (4) connects stopper (16), just stopper (16) even distribution is inboard at hydraulic balance pipeline (4).
2. The pressure balancing and relieving device of the environmental test chamber of claim 1, wherein: one side of the hydraulic piston (14) is fixedly connected with a spring (15), the other side of the spring (15) is fixedly connected with a second sliding block (13), and the spring (15) is sleeved on one side of the fixing rod (10).
3. The pressure balancing and relieving device of the environmental test chamber of claim 1, wherein: the bottom of the hydraulic balance pipeline (4) is symmetrically and fixedly connected with a fixed shell (18), and one side of the bottom of the fixed shell (18) is fixedly connected with a filter screen (19).
4. The pressure balancing and relieving device of the environmental test chamber of claim 1, wherein: the hydraulic balance pipeline is characterized in that pressure relief holes (17) are symmetrically formed in the bottom of the hydraulic balance pipeline (4), the bottoms of the pressure relief holes (17) are opposite to the middle shaft at the top of the fixed shell (18), and through holes matched with the pressure relief holes (17) are formed in the middle shaft at the top of the fixed shell (18).
5. The pressure balancing and relieving device of the environmental test chamber of claim 1, wherein: the upper side and the lower side of the first sliding block (12) penetrate through the fixing rod (10) and are fixedly connected with the second sliding block (13), the two sides of the second sliding block (13) are slidably connected with the hydraulic balance pipeline (4), and the fixing rod (10) is provided with a sliding groove matched with the first sliding block (12).
6. The pressure balancing and relieving device of the environmental test chamber of claim 1, wherein: one side of the hydraulic balance pipeline (4) is fixedly connected with an outer ring of a bearing (8), and an inner ring of the bearing (8) is fixedly connected with a threaded rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022903043.4U CN213871270U (en) | 2020-12-07 | 2020-12-07 | Pressure balance and pressure relief device of environmental test chamber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022903043.4U CN213871270U (en) | 2020-12-07 | 2020-12-07 | Pressure balance and pressure relief device of environmental test chamber |
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| CN213871270U true CN213871270U (en) | 2021-08-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607816A (en) * | 2022-03-09 | 2022-06-10 | 江苏拓米洛环境试验设备有限公司 | Pressure balance structure and environmental test chamber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607816A (en) * | 2022-03-09 | 2022-06-10 | 江苏拓米洛环境试验设备有限公司 | Pressure balance structure and environmental test chamber |
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