CN210875381U

CN210875381U - Constant temperature and humidity box with good sealing performance

Info

Publication number: CN210875381U
Application number: CN201921527480.1U
Authority: CN
Inventors: 任昭红; 李文轩; 邱华
Original assignee: Chongqing Yuhong Rail Vehicle Accessories Co ltd
Current assignee: Chongqing Yuhong Rail Vehicle Accessories Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-06-30
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a constant temperature and humidity box with good sealing performance, which comprises a box body, a box door and a fixed loop bar, wherein a blowing box is embedded at the bottom of the outer edge surface of the inner wall of the box body; the utility model discloses a square ring is inhaled the strip and is adsorbable on the box, the air suction between strip and the box is inhaled with the square ring to accessible trachea after the micro vacuum pump operation, form partial vacuum's state, thereby make square ring inhale strip one side chamber door and firmly inhale on the box because pressure difference, the original sealed effect of cooperation sealing strip, can improve the sealed effect of constant temperature and humidity case greatly, can inhale the strip by the square ring and reach sealed effect after the sealed effect of sealing strip descends, prevent leaking of air conditioning and steam, only need take out the screw rubber buffer when needing to open the chamber door, the air just can enter into the square ring through the bleeder vent fast and inhale in the strip, inhale the strip inside and outside pressure to the square ring and balance, alright open with one hand pull this moment, the practicality of constant temperature and humidity case has been improved.

Description

Constant temperature and humidity box with good sealing performance

Technical Field

The utility model relates to a technical field of constant temperature and humidity case specifically is a constant temperature and humidity case that leakproofness is good.

Background

The constant temperature and humidity test box is also called a constant temperature and humidity tester, a constant temperature and humidity test box, a programmable humidity-heat alternating test box, a constant temperature machine or a constant temperature and humidity box, is used for detecting the performance of materials in various environments and testing the heat resistance, cold resistance, dry resistance and humidity resistance of various materials. The device is suitable for detecting the quality of products such as electronics, electrical appliances, mobile phones, communication, instruments, vehicles, plastic products, metal, food, chemistry, building materials, medical treatment, aerospace and the like. The constant temperature and humidity test box consists of two parts of temperature regulation (heating and refrigerating) and humidification. Through the rotating fan who installs the top in the box, with temperature, humidity in the box realization gas circulation, the balanced box of air escape, by the data of the built-in temperature of box, humidity transducer collection, reach temperature, humidity controller (miniature information processor) and carry out the editing process, issue the humidifying instruction of adjusting temperature, accomplish jointly through heating evaporation unit in air heating unit, condenser pipe and the basin. But the existing constant temperature and humidity box has some defects in the using process.

1. The sealing strip is adopted mostly between current constant temperature and humidity case box and the chamber door and seals, and sealed effect is more general, and the sealed effect of long-time back of using of sealing strip can show and descend, and air conditioning and steam can spill through box and chamber door clearance, so can't satisfy prior art needs.

2. The existing constant temperature and humidity box is lack of a constant temperature and humidity box which can blow away most of cold air or hot air blown out after a box door is opened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a constant temperature and humidity case that leakproofness is good to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a constant temperature and humidity box with good sealing performance comprises a box body, a box door and a fixed sleeve rod, wherein a blowing box is inlaid at the bottom of the outer edge surface of the inner wall of the box body, an air pump is fixedly installed in a square hole formed in one side of the inner wall of the blowing box through a bolt, through blowing holes are uniformly formed in the top of the blowing box, one side of the box body is rotatably connected with the box door through a damping hinge, a sealing strip and a square ring suction strip are bonded on one side of the box door, the square ring suction strip is sleeved in the sealing strip, the sealing strip and the square ring suction strip are both contacted with the box body, a micro vacuum pump is fixedly installed in the box door through a bolt, an air pipe is fixedly sleeved on the inner wall of the output end of the micro vacuum pump, one end of the air pipe penetrates through the inner wall of the box door and is fixedly sleeved on the inner wall of the square ring suction, the automatic locking device is characterized in that a travel switch is fixedly mounted on one side of the outer edge face of the box body and is in contact with the box door, self-locking universal wheels are fixedly mounted at four corners of the bottom of the box body through bolts, and two fixed loop bars which are symmetrically distributed are welded at the bottom of the box body.

Preferably, the bottom of the inner wall of the fixed sleeve rod is sleeved with a sliding rod in a sliding manner, and a plurality of layers of rubber plates are embedded at the bottom end of the sliding rod.

Preferably, the multilayer rubber plates and the self-locking universal wheel are both in contact with the ground, and distance round holes which are uniformly distributed are formed in the sliding rod.

Preferably, the fixed loop bar is matched and screwed with the distance round hole through a bolt, and the four self-locking universal wheels are symmetrically distributed by taking the fixed loop bar as the center.

Preferably, the top of the blowing box is in contact with the bottom of the box door, and the air pump is electrically connected with the travel switch.

Preferably, the travel switch and the micro vacuum pump are both electrically connected with an external power supply.

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

1. the utility model discloses a square ring is inhaled the strip and is adsorbable on the box, the air suction between strip and the box is inhaled with the square ring to accessible trachea after the micro vacuum pump operation, form partial vacuum's state, thereby make square ring inhale strip one side chamber door and firmly inhale on the box because pressure difference, the original sealed effect of cooperation sealing strip, can improve the sealed effect of constant temperature and humidity case greatly, can inhale the strip by the square ring and reach sealed effect after the sealed effect of sealing strip descends, prevent leaking of air conditioning and steam, only need take out the screw rubber buffer when needing to open the chamber door, the air just can enter into the square ring through the bleeder vent fast and inhale in the strip, inhale the strip inside and outside pressure to the square ring and balance, alright open with one hand pull this moment, the practicality of constant temperature and humidity case has been improved.

2. The utility model discloses after opening the chamber door, travel switch can pop out and open the air pump, wind in the air pump can blow off through the blowhole, because the blowhole is just to the box top, so can upwards blow the steam or air conditioning that most shop front came and blow off, reduced the probability that people were scalded by steam and were frosted by air conditioning after opening the chamber door, and the distance of adjustable slide bar in fixed loop bar, make multilayer rubber slab bottom ground connection, can effectively reduce the constant temperature and humidity case and take place gliding probability, the suitability of constant temperature and humidity case has been improved.

Drawings

FIG. 1 is a front sectional view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the door of FIG. 1 according to the present invention;

FIG. 4 is a front sectional view of the door of the present invention;

fig. 5 is a side sectional view of the local structure of the door of the present invention.

In the figure: 101-a box body; 102-a blowing box; 103-an air pump; 104-air blowing holes; 105-self-locking universal wheels; 106-a travel switch; 201-a box door; 202-a sealing strip; 203-square ring suction strips; 204-trachea; 205-micro vacuum pump; 206-air holes; 207-screw rubber plug; 301-fixing the loop bar; 302-a sliding bar; 303-multiple layers of rubber plates; 304-positioning the circular hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-5, the present invention provides a technical solution: a constant temperature and humidity box with good sealing performance comprises a box body 101, a box door 201 and a fixed loop bar 301, wherein a blowing box 102 is inlaid at the bottom of the outer edge surface of the inner wall of the box body 101, the blowing box 102 is located under the box door 201, an air pump 103 is fixedly installed in a square hole formed in one side of the inner wall of the blowing box 102 through bolts, the air pump 103 is a blowing pump, through blowing holes 104 are uniformly formed in the top of the blowing box 102, the blowing holes 104 are matched with the blowing box 102 to enlarge the blowing range of the air pump 103, one side of the box body 101 is rotatably connected with the box door 201 through a damping hinge, the box door 201 is in contact with the box body 101, a sealing strip 202 and a square ring suction strip 203 are bonded to one side of the box door 201, the square ring suction strip 203 is sleeved inside the sealing strip 202, the sealing strip 202 and the square ring suction strip 203 are both in contact with the box body 101, so that the, the inside micro vacuum pump 205 that has through bolt fixed mounting of chamber door 201, the fixed cover of micro vacuum pump 205 output end inner wall has trachea 204, trachea 204 one end is run through the fixed cover of chamber door 201 and is inhaled the strip 203 inner wall at the square ring, the contact surface that chamber door 201 and square ring inhaled between the strip 203 begins to have the bleeder vent 206 that runs through, the one end inner wall thread bush that bleeder vent 206 is located chamber door 201 has screw rubber stopper 207, and screw rubber stopper 207 can block up bleeder vent 206, prevents that the outside air from entering into square ring and inhales in the strip 203, the outer edge one side fixed mounting of box 101 has travel switch 106, travel switch 106 contacts with chamber door 201, and travel switch 106 communicates with each other with the switch principle of refrigerator cold chamber inner lamp, four corners in the bottom of box 101 all have auto-lock universal wheel 105 through bolt fixed mounting, and the auto-lock universal wheel 105 is, two fixed loop bars 301 which are symmetrically distributed are welded at the bottom of the box body 101.

The bottom of the inner wall of the fixed loop bar 301 is slidably sleeved with a sliding bar 302, the bottom end of the sliding bar 302 is embedded with a plurality of layers of rubber plates 303, the multi-layer rubber plate 303 and the self-locking universal wheel 105 are both contacted with the ground, the multi-layer rubber plate 303 is made of 3 to 5 layers of rubber plates, the hardness of the rubber plate can be increased, distance round holes 304 which are uniformly distributed are arranged in the sliding rod 302, the fixed loop bar 301 is matched and fixed with the distance round holes 304 through bolts and threads, thereby fixing the sliding rod 302 and the fixed loop bar 301 which are well adjusted, the four self-locking universal wheels 105 are symmetrically distributed by taking the fixed loop bar 301 as the center, the top of the blowing box 102 is contacted with the bottom of the box door 201, the air pump 103 is electrically connected with the travel switch 106, the travel switch 106 can turn on or off the air pump 103, and the travel switch 106 and the micro vacuum pump 205 are both electrically connected with an external power supply.

The working principle is as follows: the utility model discloses a good constant temperature and humidity chamber of leakproofness, the square ring inhales strip 203 adsorbable on box 101, micro vacuum pump 205 can inhale the air suction between square ring inhales strip 203 and box 101 through trachea 204 after the operation, form the state of partial vacuum, thereby make square ring inhale strip 203 one side chamber door 201 and firmly inhale on box 101 because of pressure difference, the original sealed effect of cooperation sealing strip 202 can be greatly improved, can inhale strip 203 to reach sealed effect by the square ring after the sealed effect of sealing strip 202 descends, prevent the leakage of air conditioning and steam, only need to take out screw thread rubber buffer 207 from bleeder vent 206 internal rotation when needing to open chamber door 201, the air can just get into in square ring inhales strip 203 through bleeder vent 206 fast, the internal and external pressure of square ring inhales strip 203 balances, at this moment, open chamber door 201 with one hand pull, after opening chamber door 201, travel switch 106 can pop out and open air pump 103, wind in the air pump 103 can enter into fast in the box 102 of blowing, and blow out through blow hole 104, because blow hole 104 is just to box 101 top, so can blow the steam or the air conditioning that most shop front came upwards and blow off, the probability that people scalded by the steam and was frostbitten by air conditioning after opening box door 201 has been reduced, the distance of adjustable slide bar 302 in fixed loop bar 301, make multilayer rubber plate 303 bottom ground connection, fix distance round hole 304 and fixed loop bar 301 through the bolt cooperation, thereby fix the slide bar 302 and the fixed loop bar 301 of adjusting the position, can effectively reduce the gliding probability of constant temperature and humidity case emergence, the suitability of constant temperature and humidity case has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a constant temperature and humidity case that leakproofness is good, includes box (101), chamber door (201) and fixed loop bar (301), its characterized in that: the box body (101) is characterized in that an air blowing box (102) is embedded at the bottom of the outer edge surface of the inner wall of the box body (101), an air pump (103) is fixedly installed in a square hole formed in one side of the inner wall of the air blowing box (102) through a bolt, a through air blowing hole (104) is uniformly formed in the top of the air blowing box (102), a box door (201) is rotatably connected to one side of the box body (101) through a damping hinge, a sealing strip (202) and a square ring suction strip (203) are bonded to one side of the box door (201), the square ring suction strip (203) is sleeved inside the sealing strip (202), the sealing strip (202) and the square ring suction strip (203) are both contacted with the box body (101), a micro vacuum pump (205) is fixedly installed inside the box door (201) through a bolt, an air pipe (204) is fixedly sleeved on the inner wall of the output end of the micro vacuum pump (, contact surface between chamber door (201) and square ring suction strip (203) begins to have bleeder vent (206) that runs through, the one end inner wall screw thread cover that bleeder vent (206) are located chamber door (201) has screw thread rubber buffer (207), face one side fixed mounting has travel switch (106) outward in box (101), travel switch (106) contact with chamber door (201), four corners in box (101) bottom all have auto-lock universal wheel (105) through bolt fixed mounting, the welding of box (101) bottom has two fixed loop bars (301) of symmetric distribution.

2. The constant temperature and humidity chamber with good sealing performance as claimed in claim 1, wherein: fixed loop bar (301) inner wall bottom sliding sleeve has slide bar (302), multilayer rubber slab (303) are inlayed to slide bar (302) bottom.

3. The constant temperature and humidity chamber with good sealing performance as claimed in claim 2, wherein: the multi-layer rubber plate (303) and the self-locking universal wheel (105) are both in contact with the ground, and distance round holes (304) which are uniformly distributed are formed in the sliding rod (302).

4. The constant temperature and humidity chamber with good sealing performance as claimed in claim 3, wherein: the fixed loop bar (301) is matched and screwed with the distance round hole (304) through a bolt, and the four self-locking universal wheels (105) are symmetrically distributed by taking the fixed loop bar (301) as the center.

5. The constant temperature and humidity chamber with good sealing performance as claimed in claim 1, wherein: the top of the blowing box (102) is in contact with the bottom of the box door (201), and the air pump (103) is electrically connected with the travel switch (106).

6. The constant temperature and humidity chamber with good sealing performance as claimed in claim 5, wherein: the travel switch (106) and the micro vacuum pump (205) are both electrically connected with an external power supply.