CN209946288U - Low-pressure test outer bearing box - Google Patents

Abstract

The utility model discloses a low atmospheric pressure test outer bearing case, including box, chamber door, fan, evacuation hole and control panel, the articulated chamber door of installing in exit of box, and the outside of box is provided with box foot strengthening rib, the back of box is provided with box back strengthening rib, and the avris of the box back strengthening rib at box top is fixed with vertical strengthening rib above the box, fixed vertical strengthening rib of chamber door and the horizontal strengthening rib of chamber door that is provided with on the chamber door, and the department installs the observation window in the middle of the outside of chamber door to the outside edge of chamber door is fixed with control panel, the avris of box is provided with lead wire hole and air inlet, and the lug and fan are installed at the top of box. This outer bearing-box of low-pressure test can not influence the inside heat transfer of bearing-box and the work of refrigerating go on, has strengthened the holistic mechanical strength of bearing-box, reduction in production cost and the processing degree of difficulty, improve the practicality of bearing-box.

Description

Low-pressure test outer bearing box

Technical Field

The utility model relates to an environmental test case equipment technical field specifically is an outer bearing case of low-pressure test.

Background

The low-pressure test box is mainly used for testing the environmental adaptability and reliability of a workpiece under the single or simultaneous action of low pressure, high temperature and low temperature, and or simultaneously measuring the electrical performance parameters of a test piece by electrifying the test piece, so that the requirement on equipment is higher.

However, most of the existing low-pressure test boxes are inner pressure-bearing box bodies, and the inner pressure-bearing box bodies require inner wall thickness, so that the temperature heat transfer rate is slower, which is equivalent to increase of load, and the power in refrigeration is required to be higher; meanwhile, in order to enhance the mechanical strength of the inner wall, the box body is mostly made of a stainless steel structure, so that the cost is high and the processing difficulty is high; and the inside of the inner pressure-bearing box body is easy to deform and cannot be maintained, and the service life is shorter. In order to solve the problems, innovative design is urgently needed on the basis of the original low-pressure test chamber.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an external bearing box for low-pressure tests, which aims to solve the problems of slow rate of temperature heat transfer, high cost and large processing difficulty of the existing low-pressure test box provided by the background technology; and the inner part of the inner pressure-bearing box body is easy to deform and cannot be maintained, and the service life is short.

In order to achieve the above object, the utility model provides a following technical scheme: the low-pressure test outer bearing box comprises a box body, a box door, a fan, a vacuumizing hole and a control panel, wherein the box door is installed at an outlet of the box body in a hinged mode, box foot reinforcing ribs are arranged on the outer side of the box body, box side reinforcing ribs are fixedly installed in the middle of the outer side of the box body, box rear reinforcing ribs are arranged on the back side of the box body, longitudinal reinforcing ribs are fixed on the upper surface of the box body at the back side of the box body at the top of the box body, box transverse reinforcing ribs are installed at the top of the box body, longitudinal long reinforcing ribs in the box body and longitudinal short reinforcing ribs in the box body are arranged on the inner side of the box body, box door longitudinal reinforcing ribs and box door transverse reinforcing ribs are fixedly arranged on the box door, an observation window is installed in the middle of, and the top of the box body is provided with a lifting lug and a fan, and the back of the box body is provided with a wire outlet hole, a vacuumizing hole and an evaporator wire outlet hole.

Preferably, the hinged part of the box body and the box door is provided with a sheet metal part continuous welding method firmly welded structure, and the box body and the box door are hermetically arranged in a special sealing ring structure.

Preferably, the number of the box foot reinforcing ribs, the box side reinforcing ribs, the box rear reinforcing ribs, the longitudinal reinforcing ribs above the box and the transverse reinforcing ribs of the box is 4, 2 and 2 in sequence, and the box foot reinforcing ribs, the box side reinforcing ribs, the box rear reinforcing ribs, the longitudinal reinforcing ribs above the box and the transverse reinforcing ribs of the box are all welded and fixed on the outer side of the box.

Preferably, the longitudinal long reinforcing ribs in the box body and the longitudinal short reinforcing ribs in the box body are welded on the inner surface of the box body in an equidistant and staggered manner, and the longitudinal long reinforcing ribs in the box body and the longitudinal short reinforcing ribs in the box body are arranged in parallel.

Preferably, the longitudinal reinforcing ribs of the box door and the transverse reinforcing ribs of the box door are perpendicular to each other, and the end parts of the longitudinal reinforcing ribs of the box door and the end parts of the transverse reinforcing ribs of the box door are welded on the box door in a rectangular shape.

Compared with the prior art, the beneficial effects of the utility model are that: the external pressure-bearing box for the low-pressure test has the advantages that the heat transfer and refrigeration operation inside the pressure-bearing box can not be influenced, the integral mechanical strength of the pressure-bearing box is enhanced, the production cost and the processing difficulty are reduced, and the practicability of the pressure-bearing box is improved;

adopt the sheet metal component structure at outer bearing box, box and chamber door periphery and inside all are provided with the U-shaped strengthening rib, make the bulk test case pressure-bearing capacity be close the vacuum and can not warp, outer bearing box operation low power dissipation simultaneously, it is simple and convenient to maintain, the cost is with low costs, long service life, the loop type closing plate is adopted in the outside of box, the lateral wall is for erecting row cell type muscle steel sheet about, the back wall of box is with erecting row cell type muscle steel sheet, box top surface and the horizontal row cell type muscle steel sheet in ground, and inside is violently strengthened with the channel-section steel, chamber door planking cell type closing plate, inside latticed equal cloth muscle steel sheet, the vacuum can be close to inside the pressure-bearing capacity of this.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a box body of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the case body of the present invention;

FIG. 3 is a schematic view of the back structure of the box body of the present invention;

FIG. 4 is a rear view of the box door of the present invention;

FIG. 5 is a schematic view of the sectional structure of the door of the present invention;

fig. 6 is a schematic view of the overall three-dimensional assembly structure of the present invention.

In the figure: 1. a box body; 2. a box door; 3. reinforcing ribs for box feet; 4. reinforcing ribs are arranged on the side faces of the box body; 5. reinforcing ribs are arranged on the rear surface of the box body; 6. longitudinal reinforcing ribs are arranged on the box body; 7. a transverse reinforcing rib of the box body; 8. a longitudinal long reinforcing rib is arranged in the box body; 9. a short longitudinal reinforcing rib is arranged in the box body; 10. a longitudinal reinforcing rib of the box door; 11. a transverse reinforcing rib of the box door; 12. a wire hole; 13. an air inlet; 14. lifting lugs; 15. a fan; 16. a wire outlet hole; 17. vacuumizing holes; 18. an evaporator outlet hole; 19. an observation window; 20. a control panel.

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. 1-6, the present invention provides a technical solution: an outer bearing box for a low-pressure test comprises a box body 1, a box door 2, box body foot reinforcing ribs 3, box body side reinforcing ribs 4, box body rear reinforcing ribs 5, box body upper longitudinal reinforcing ribs 6, box body transverse reinforcing ribs 7, box body inner longitudinal long reinforcing ribs 8, box body inner longitudinal short reinforcing ribs 9, box door longitudinal reinforcing ribs 10, box door transverse reinforcing ribs 11, lead holes 12, an air inlet 13, a lifting lug 14, a fan 15, a wire outlet hole 16, a vacuumizing hole 17, an evaporator pipe outlet hole 18, an observation window 19 and a control panel 20, wherein the box door 2 is hinged at an outlet of the box body 1, the box body foot reinforcing ribs 3 are arranged on the outer side of the box body 1, the box body side reinforcing ribs 4 are fixedly arranged in the middle of the outer side of the box body 1, the box body rear reinforcing ribs 5 are arranged on the back of the box body 1, and the, a box body transverse reinforcing rib 7 is installed at the top of the box body 1, a box body longitudinal long reinforcing rib 8 and a box body longitudinal short reinforcing rib 9 are arranged on the inner side of the box body 1, a box door longitudinal reinforcing rib 10 and a box door transverse reinforcing rib 11 are fixedly arranged on the box door 2, an observation window 19 is installed in the middle of the outer side of the box door 2, a control panel 20 is fixed at the edge of the outer side of the box door 2, a lead hole 12 and an air inlet 13 are arranged on the side of the box body 1, a lifting lug 14 and a fan 15 are installed at the top of the box body 1, and a wire outlet 16, a vacuumizing hole 17 and an evaporator outlet 18 are;

the hinge joint of the box body 1 and the box door 2 is provided with a sheet metal part continuous welding method firmly welded structure, and the box body 1 and the box door 2 are hermetically arranged in a special sealing ring structure, so that the connection tightness between the box body 1 and the box door 2 is improved, and the integral strength of the box is improved;

the box body foot reinforcing ribs 3, the box body side reinforcing ribs 4, the box body rear reinforcing ribs 5, the longitudinal reinforcing ribs 6 on the box body and the box body transverse reinforcing ribs 7 are arranged in 4, 2 and 2 in sequence, the box body foot reinforcing ribs 3, the box body side reinforcing ribs 4, the box body rear reinforcing ribs 5, the longitudinal reinforcing ribs 6 on the box body and the box body transverse reinforcing ribs 7 are welded and fixed on the outer side of the box body 1, and the box body foot reinforcing ribs 3, the box body side reinforcing ribs 4, the box body rear reinforcing ribs 5, the longitudinal reinforcing ribs 6 on the box body and the box body transverse reinforcing ribs 7 are synchronously arranged, so that the bearing capacity of the box body 1 is stronger when the box body is used;

the longitudinal long reinforcing ribs 8 in the box body and the longitudinal short reinforcing ribs 9 in the box body are welded on the inner surface of the box body 1 in an equidistant and staggered manner, the longitudinal long reinforcing ribs 8 in the box body and the longitudinal short reinforcing ribs 9 in the box body are arranged in parallel, and the arrangement of the longitudinal long reinforcing ribs 8 in the box body and the longitudinal short reinforcing ribs 9 in the box body enhances the stability and the use strength of the interior of the box body 1 and reduces the damage in use;

mutually perpendicular between vertical strengthening rib 10 of chamber door and the horizontal strengthening rib 11 of chamber door, and the butt joint of the vertical strengthening rib 10 of chamber door and the 11 tip butt joints of the horizontal strengthening rib of chamber door are the rectangle and weld on chamber door 2, and the synchronous installation of the vertical strengthening rib 10 of chamber door and the horizontal strengthening rib 11 of chamber door is used, improves the bulk strength of chamber door 2.

The working principle is as follows: when the low-pressure test outer pressure-bearing box is used, firstly, according to the figures 1-6, one side between the box body 1 and the box door 2 is formed by sheet metal assembly welding hinge connection, and the other side between the box body 1 and the box door 2 is provided with a fixed lock catch, so that the instability of the pressure-bearing box in use is prevented, the sealing performance is improved by arranging a special sealing ring structure between the box body 1 and the box door 2, and the leakage-proof test is carried out between the box body 1 and the box door 2;

under the combined action of the box foot reinforcing ribs 3, the box side reinforcing ribs 4, the box rear reinforcing ribs 5, the box upper longitudinal reinforcing ribs 6 and the box transverse reinforcing ribs 7, the outer side of the box 1 is stably reinforced and wrapped in a U shape, so that the box 1 can bear pressure more easily when in use and cannot bear pressure and break outwards, the box inner longitudinal short reinforcing ribs 9 and the box door longitudinal reinforcing ribs 10 are uniformly welded on the inner wall of the box 1 at equal intervals, and the longitudinal short reinforcing ribs 9 and the box door longitudinal reinforcing ribs 10 in the box 1 are arranged in parallel to each other, so that the inner part of the box 1 is more stable when in use, the normal work of the pressure-bearing box is carried out by using the combination of the lead holes 12, the air inlets 13, the lifting lugs 14, the fan 15, the wire outlets 16, the vacuumizing holes 17 and the evaporator outlet holes 18 on the box 1, and when the pressure-bearing box is used, the working condition in the box, the control panel 20 is used to control the use of the pressure receiving tank.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides an outer pressure-bearing case of low pressure test, includes box (1), chamber door (2), fan (15), evacuation hole (17) and control panel (20), its characterized in that: the box door is characterized in that a box door (2) is hinged to an outlet of the box body (1), box foot reinforcing ribs (3) are arranged on the outer side of the box body (1), box side reinforcing ribs (4) are fixedly arranged in the middle of the outer side of the box body (1), box rear reinforcing ribs (5) are arranged on the back surface of the box body (1), longitudinal reinforcing ribs (6) on the box body are fixed on the side edges of the box rear reinforcing ribs (5) on the top of the box body (1), box transverse reinforcing ribs (7) are arranged on the top of the box body (1), longitudinal long reinforcing ribs (8) in the box body and longitudinal short reinforcing ribs (9) in the box body are arranged on the inner side of the box body (1), a box door longitudinal reinforcing rib (10) and a box door transverse reinforcing rib (11) are fixedly arranged on the box door (2), an observation window (19) is arranged in the middle of, the side of the box body (1) is provided with a lead hole (12) and an air inlet (13), the top of the box body (1) is provided with a lifting lug (14) and a fan (15), and the back of the box body (1) is provided with a wire outlet hole (16), a vacuumizing hole (17) and an evaporator wire outlet hole (18).

2. The low-pressure test outer pressure-bearing box is characterized in that: the hinge joint of the box body (1) and the box door (2) is of a sheet metal part continuous welding method welding structure, and a special sealing ring structure is arranged between the box body (1) and the box door (2) in a sealing mode.

3. The low-pressure test outer pressure-bearing box is characterized in that: the number of the box foot reinforcing ribs (3), the box side reinforcing ribs (4), the box rear reinforcing ribs (5), the vertical reinforcing ribs (6) above the box and the box transverse reinforcing ribs (7) is 4, 2 and 2 in sequence, and the box foot reinforcing ribs (3), the box side reinforcing ribs (4), the box rear reinforcing ribs (5), the vertical reinforcing ribs (6) above the box and the box transverse reinforcing ribs (7) are all welded and fixed on the outer side of the box (1).

4. The low-pressure test outer pressure-bearing box is characterized in that: the longitudinal long reinforcing ribs (8) in the box body and the longitudinal short reinforcing ribs (9) in the box body are welded on the inner surface of the box body (1) in an equidistant and staggered mode, and the longitudinal long reinforcing ribs (8) in the box body and the longitudinal short reinforcing ribs (9) in the box body are arranged in parallel.

5. The low-pressure test outer pressure-bearing box is characterized in that: the box door longitudinal reinforcing ribs (10) and the box door transverse reinforcing ribs (11) are perpendicular to each other, and the end parts of the box door longitudinal reinforcing ribs (10) and the box door transverse reinforcing ribs (11) are welded on the box door (2) in a rectangular mode in a butt joint mode.

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