CN215993249U - Safety cabinet - Google Patents

Abstract

The utility model provides a safety cabinet, wherein the working space of an article taking and placing end is large, the working view field is wide, and the use safety of the safety cabinet can be effectively improved; the locking structure is simple, the cabinet door and the cabinet body can be overlapped, the closing effect of the cabinet door is good, and the sealing performance of the safety cabinet is effectively improved; the hinge has low noise and the opening and closing of the cabinet door are smooth; the U-shaped cabinet comprises a cabinet body and a cabinet door, wherein the cabinet body and the cabinet door are rotatably connected through a hinge, the overlooking surface of the hinge is T-shaped when the cabinet door is closed, and the overlooking surface of the hinge is U-shaped when the cabinet door is opened; the cabinet body and cabinet door pass through door lock structural closure, door lock structural closure including the rotation handle that is located the cabinet door outside and the latch fitting that is located the cabinet door inboard, the latch fitting includes T type spring bolt, and the both ends of T type spring bolt horizontal part are fixed connection upper lock pole, lower lock pole respectively, and T type spring bolt vertical part is the spring bolt end, and T type spring bolt rotates with the rotation handle to be connected, and the cabinet door is installed and is rotated handle complex lock ear.

Description

Safety cabinet

Technical Field

The utility model relates to the technical field of safety protection equipment, in particular to a safety cabinet.

Background

The safety cabinet is a safety protection article for storing various productive or bioactive substances and data, and different types of safety cabinets are used according to specific production conditions in actual production, for example, a chemical safety cabinet, a file safety cabinet and the like are used for storing files or articles such as chemicals, medicaments, files, optical disks and the like.

Most of the existing safety cabinets are made of steel plates, and the cabinet doors and the cabinet body are connected through stainless steel hinges, so that on one hand, the opening angle of the cabinet doors is generally 90 degrees, the working space of the cabinet doors, namely the object taking and placing ends, and the working visual field of operators are limited, the use safety of the safety cabinets is influenced, particularly, safety accidents are easily caused to the working condition that corrosive objects are taken and placed in the deep inside of the cabinet body, and on the other hand, the stainless steel hinges are easy to corrode, so that noise is generated, and the opening and closing smoothness of the cabinet doors are influenced; in addition, the locking part of current safety cabinet is metal material and structure complicacy usually, and not only installation space's area occupied is big, and the closed effect of cabinet door is relatively poor moreover, influences safety cabinet's leakproofness.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects that the existing safety cabinet has poor use safety, is easy to generate noise, and affects the opening and closing smoothness of a cabinet door, and a locking part has a complex structure, large installation occupied space and poor sealing performance, the utility model provides the safety cabinet, the working space of an object taking and placing end of the safety cabinet is large, the working visual field is wide, and the use safety of the safety cabinet can be effectively improved; the locking structure is simple, the cabinet door and the cabinet body can be overlapped, the closing effect of the cabinet door is good, and the sealing performance of the safety cabinet is effectively improved; the hinge has low noise and the opening and closing of the cabinet door are smooth.

The utility model adopts the following technical scheme: it includes the cabinet body and cabinet door, the cabinet body with the cabinet door passes through hinge rotation and connects its characterized in that: the overlooking surface of the hinge is T-shaped when the cabinet door is closed, and the overlooking surface of the hinge is U-shaped when the cabinet door is opened; the cabinet body with cabinet door through-door lock structural closure, the lock structural closure is including being located the rotation handle in the cabinet door outside with be located the inboard latch fitting of cabinet door, the latch fitting includes T type spring bolt, the both ends of T type spring bolt horizontal part are fixed connection upper lock pole, lower lock pole respectively, T type spring bolt vertical part is the spring bolt end, T type spring bolt with rotate the handle and rotate and connect, the cabinet door install with rotate handle complex lock ear.

It is further characterized in that:

the hinge comprises a first installation piece and a second installation piece which are rotatably connected, the top view surfaces of the first installation piece and the second installation piece are both L-shaped, the long side part of the L-shaped first installation piece and the long side part of the L-shaped second installation piece are respectively provided with an installation hole, the number of the short side parts of the L-shaped first installation piece is one more than that of the short side parts of the L-shaped second installation piece, and the short side parts of the L-shaped first installation piece and the short side parts of the L-shaped second installation piece are longitudinally staggered and are connected in series through a rotating shaft;

the shaft hole of the short side part at the top end of the L-shaped first mounting piece is plugged by hot melt adhesive or glass cement, and the shaft hole of the short side part at the bottom end of the L-shaped first mounting piece is a blind hole;

the T-shaped lock tongue is provided with a rotating column, the end part of the rotating column is provided with a spline, the T-shaped lock tongue is provided with a first through hole penetrating through the rotating column and the spline, the T-shaped lock tongue is provided with an annular supporting seat along the circumferential direction of the rotating column, the rotating handle is provided with a second through hole and a key groove which are mutually communicated, the second through hole corresponds to the first through hole, and the key groove is matched with the spline;

the rotary handle is an L-shaped rotary handle, a padlock hole is formed in the short side part of the L-shaped rotary handle, and a through hole matched with the padlock hole is formed in the lock lug; the upper end and the lower end of the inner side of the cabinet door are respectively provided with a guide limiting sleeve matched with the upper locking rod and the lower locking rod;

the cabinet body is provided with a vent hole; the cabinet body is internally provided with an article placing partition plate; a height adjusting bolt is arranged at the bottom of the cabinet body;

the bottom of the cabinet body on the side of the cabinet door is of an inwards concave structure;

the cabinet body, the cabinet door, the door lock structure, the lock lug, the L-shaped first mounting piece and the L-shaped second mounting piece are all made of corrosion-resistant plastics;

the cabinet door is a single-door, and the cabinet door and the cabinet body are closed through a spigot structure;

the cabinet door is two to open the door, one of them the cabinet door installation the lock structure, the cabinet door with between the cabinet body, two the cabinet door is being close to the one end of lock structure is closed through tang structure.

After the structure is adopted, the cabinet body and the cabinet door are rotationally connected through the hinge with the T-shaped and U-shaped top view, the cabinet door can be opened and closed between 0 degree and 180 degrees, the operation space requirements of different working conditions are conveniently met, when the opening degree of the cabinet door is 180 degrees, the working space of the object taking and placing end is large, the working view field is wide, and the use safety of the safety cabinet is effectively improved; t type spring bolt structure both ends are connected and are locked the pole, the lower locking lever, it is inboard to drive the cabinet door through the rotation handle in the cabinet door outside, and the T type spring bolt of rotation connection rotates, and then can make the upper lock pole, the linkage takes place for the lower locking lever, thereby through the latch fitting with cabinet door locking or release, moreover, the steam generator is simple in structure, cabinet door switching degree is 0 °, when the cabinet door locking promptly, the spring bolt end through T type spring bolt in the latch fitting, the tip of upper lock pole and lower locking lever forms three lock point, can make cabinet door and cabinet body form the overlap, the cabinet door is closed effectual, effectively improve the leakproofness of safety cabinet.

The first installed part of L shape and the second installed part of L shape of hinge are corrosion-resistant plastics, can effective noise reduction, and in addition, the shaft hole of the first installed part top short limit portion of L shape passes through hot melt adhesive or glass and glues the shutoff, the shaft hole of the short limit portion of bottom can be the blind hole with metal rotating shaft cladding completely to can avoid receiving the erosion of corrosivity stored material, not only prolong the life of safety cabinet, can improve the smooth and easy nature that the cabinet door was opened and close moreover.

Drawings

Fig. 1 is a schematic structural diagram of a closed state of a cabinet door according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an open state of a cabinet door according to an embodiment of the present invention.

FIG. 3 is a schematic view of the hinge structure when the cabinet door is closed according to the present invention;

FIG. 4 is a schematic view of the hinge structure when the door of the present invention is opened;

fig. 5 is a structural schematic view and a partial sectional view in the direction a in fig. 3.

FIG. 6 is an exploded view of one perspective of the door latch structure of the present invention;

FIG. 7 is an exploded view of the door latch of the present invention from another perspective;

fig. 8 is a schematic structural view of the T-shaped bolt of the present invention.

FIG. 9 is a schematic structural diagram of a second cabinet door in a closed state according to an embodiment of the present invention;

FIG. 10 is a bottom view of a second door in a closed state according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a first view angle of an opened state of a second cabinet door according to an embodiment of the present invention;

FIG. 12 is an enlarged view at B of FIG. 11;

FIG. 13 is a schematic structural diagram of a second view angle of an opened state of a second cabinet door according to an embodiment of the present invention;

fig. 14 is a schematic structural diagram of a third viewing angle of an opened state of a second cabinet door according to an embodiment of the present invention.

FIG. 15 is a schematic structural diagram of a closed state of a three-cabinet door according to an embodiment of the present invention;

fig. 16 is a schematic structural diagram of an open state of a three-cabinet door according to an embodiment of the present invention.

FIG. 17 is a schematic structural diagram of a four-cabinet door in a closed state according to an embodiment of the present invention;

fig. 18 is a schematic structural diagram of an opened state of a four-cabinet door according to an embodiment of the present invention.

Detailed Description

The utility model is further described with reference to the accompanying drawings in which:

as shown in fig. 1 to 18, the utility model provides a safety cabinet, which comprises a cabinet body 1 and a cabinet door 2, wherein the cabinet body 1 and the cabinet door 2 are rotatably connected through a hinge 3, as shown in fig. 1 to 5, the hinge 3 of the safety cabinet is internally installed, so that the aesthetic property and the cleanliness can be improved, the overlooking surface of the hinge 3 is in a T shape when the cabinet door 1 is closed, the overlooking surface of the hinge is in a U shape when the cabinet door 1 is opened, so that the cabinet door can be opened and closed between 0 degree and 180 degrees, the operation space requirements of different working conditions can be conveniently met, when the opening degree of the cabinet door is 180 degrees, the working space of an object taking and placing end is large, the working view is wide, and the use safety of the safety cabinet is effectively improved.

As shown in fig. 1-2 and fig. 6-14, the cabinet body 1 and the cabinet door 2 are locked by a door lock structure, the door lock structure comprises a rotating handle 5 located outside the cabinet door 2 and a locking piece located inside the cabinet door 2, the locking piece comprises a T-shaped bolt 9b, two ends of a transverse portion 9b i of the T-shaped bolt are respectively fixedly connected with an upper locking rod 9a and a lower locking rod 9c through a fastener bolt 16 and a nut 14, a longitudinal portion 9b ii of the T-shaped bolt is a bolt end, the T-shaped bolt 9b is rotatably connected with the rotating handle 5, the cabinet door 2 is provided with a locking lug 4 matched with the rotating handle, the rotating handle outside the cabinet door drives the inner side of the cabinet door and the T-shaped bolt connected in a rotating manner to rotate, so that the upper locking rod and the lower locking rod are linked, and therefore, the cabinet door is locked or released through the locking piece, the structure is simple, the opening degree of the cabinet door is 0 °, namely, when the cabinet door is locked, the cabinet door is locked through the bolt end, the lower locking rod, the T-shaped bolt, the locking piece, the locking lug end, the locking piece, the locking lug end, the locking piece, the locking lug, the locking piece, the locking lug, the locking piece, the locking lug, the locking piece, and the locking piece, the locking lug, the locking piece, and the locking piece are connected with the locking piece, and the locking piece, the end parts of the upper lock rod and the lower lock rod form three lock points, so that the cabinet door and the cabinet body can be overlapped, the closing effect of the cabinet door is good, and the sealing property of the safety cabinet is effectively improved; preferably, the ends of the upper lock rod 9a and the lower lock rod 9c far away from the T-shaped bolt 9b, i.e. the lock point ends, are both flattened ends 13 and 15, so that the shock resistance, the noise reduction and the locking effect can be improved.

As shown in fig. 3 to 5, the hinge 3 includes a first mounting piece 301 and a second mounting piece 304 rotatably connected, the first mounting piece 301 and the second mounting piece 304 are both L-shaped in plan view, mounting holes 305 are respectively formed on a long side part 301a of the L-shaped first mounting piece and a long side part 304a of the L-shaped second mounting piece, the number of short side parts 301b of the L-shaped first mounting piece is one more than that of short side parts 304b of the L-shaped second mounting piece, and the short side parts 301b of the L-shaped first mounting piece and the short side parts 304b of the L-shaped second mounting piece are longitudinally staggered and connected in series through a rotating shaft 306; preferably, as shown in fig. 3 and 4, three short side portions 301b of the L-shaped first mounting member 301 and two short side portions 304b of the L-shaped second mounting member 304 are provided, and five short side portions 301 bi, 304 bi, and 301 bi which are longitudinally staggered are connected in series through the rotating shaft 306, so that the first mounting member 301 and the second mounting member 304 are rotatably connected to form the hinge 3, and the structure is simple and the assembly and disassembly are convenient; shaft hole 302 of the first installed part top short-side portion 301b I of L shape passes through hot melt adhesive or the shutoff of glass glue 303, and shaft hole 307 of the first installed part bottom short-side portion 301b III of L shape is the blind hole, can wrap up the pivot of metal material completely to can avoid receiving the erosion of corrosivity storage article, not only prolong the life of safety cabinet, can improve the smooth and easy nature that the cabinet door was opened and close moreover.

As shown in fig. 6 to 8, the T-shaped bolt 9b is provided with a rotary column 20, the end of the rotary column 20 is provided with a spline 21, the T-shaped bolt 9b is provided with a first through hole 24 penetrating through the rotary column 20 and the spline 21, the T-shaped bolt 9b is provided with an annular support seat 19 along the circumferential direction of the rotary column 20, the rotary handle 5 is provided with a second through hole 18 and a key slot 22 which are mutually communicated, the second through hole 18 corresponds to the first through hole 24, and the key slot 22 is matched with the spline 21; as shown in fig. 6, 7, 11 and 12, the rotating handle is an L-shaped rotating handle, the short side part 5b of the L-shaped rotating handle is provided with a padlock hole 17, the lock lug 4 is provided with a through hole 30 corresponding to the padlock hole 17, and two padlock holes 17 are provided, so that two padlocks can be installed according to actual production conditions, for example, two double locks are required in the storage process of corrosive dangerous goods, and the production safety is ensured; preferably, as shown in fig. 6 and 12, the second through hole 18 located at the long side portion 5a of the L-shaped turning handle is a counter bore, and the counter bore 18 has a counter bore end away from the key slot 22, so that when the bolt 16 of the fastener is fixed, the bolt head sinks into the L-shaped turning handle 5, and then the end of the counter bore end can be clamped with a protection bolt 29 and improve the aesthetic property; as shown in fig. 7, an inner groove 23 which is communicated with a first through hole 24 is formed in the T-shaped bolt 9b on the side, away from the rotating handle 5, of the T-shaped bolt 9b, the shape of the inner groove is matched with that of the nut 14 of the fastener, so that the nut is conveniently embedded into the T-shaped bolt 9b during fastening, and the safety, the fastening stability and the attractiveness are improved; as shown in fig. 13, the upper and lower ends of the inner side of the cabinet door are respectively provided with a guiding and limiting sleeve 8 which is matched with the upper locking rod 9a and the lower locking rod 9 c; the stability of the upper lock rod and the lower lock rod can be improved by guiding and limiting through the guiding limiting sleeve, and the service life of the door lock is prolonged.

As shown in fig. 2, 11, 16 and 18, the cabinet body 1 is provided with a vent hole 6, which can be externally connected with a ventilation system according to actual production requirements; the cabinet body 1 is internally provided with an article placing partition plate 12, which is convenient for storing and arranging articles; as shown in fig. 10, the bottom of the cabinet 1 is provided with a height adjusting bolt 28, which can adjust the levelness according to the ground working condition of the production.

As shown in fig. 9-14, the bottom of the cabinet body 1 at the side of the cabinet door is an inner concave structure 25, preferably, the inner concave structure is in a transversely-folded ㄱ shape when viewed from the side, so that the cabinet body is convenient for an operator to pick and place articles deep in the safety cabinet, and the safety is improved.

The cabinet body, the cabinet door, the door lock structure, the lock lug, the L-shaped first mounting piece and the L-shaped second mounting piece are all made of corrosion-resistant plastics; preferably, the fastener and the hole cover are made of corrosion-resistant plastic bolts and nuts, for example, the corrosion-resistant plastic can be made of HDPE (high density polyethylene) materials, so that the cabinet body is mainly made of plastic materials, and the cabinet body is strong in corrosion resistance and weather resistance, firm in structure, good in wear resistance and capable of effectively reducing noise; preferably, the cabinet body and the cabinet door are made of orange-grain plastic corrosion-resistant plates, and the parts of the safety cabinet connected through the fastener bolts 16 and the nuts 14 can be covered by hole covers made of orange-grain corrosion-resistant plastic materials, such as L-shaped rotating handles, so that the safety cabinet is attractive and safe and is convenient to maintain and disassemble; especially for the storage of corrosive materials, the safety cabinet which is mainly made of plastic and has no exposed metal parts has higher use safety.

As shown in fig. 1 and 2, in the first embodiment, the cabinet door is a single-door 2, and the cabinet door 2 and the cabinet body 1 are closed through a seam allowance structure; as shown in fig. 9 and 14, in the second embodiment, as shown in fig. 15 and 16, in the third embodiment, as shown in fig. 17 and 18, the cabinet door 2 is a double-opening door 2a, 2b, one of the cabinet doors 2a is provided with a door lock structure, one end of the two cabinet doors 2a and 2b close to the door lock structure is closed by a spigot structure, preferably, the spigot structure comprises a female spigot 7 and male spigots 11 and 26, the cabinet door is a boss type structure, the head difference between the edge of the cabinet door 2 and the boss forms the female spigot 7, the front wall surface of the cabinet body 1 is a door frame 10 for mounting the cabinet door, the convex ribs on the inner side of the door frame 10 form the male spigots 11, one end of the cabinet door 2b close to the door lock structure, namely, the convex rib 26 forms the male spigot 26 with the end of the cabinet door 2a, so that the safety cabinet with a single cabinet door can close the cover through the female spigot 7 and the male spigot 11 structures of the cabinet doors and the cabinet body, the double-door safety cabinet is closed and covered by the cabinet doors, the concave seam allowance 7 and the convex seam allowance 11 of the cabinet body, and the embedded seam allowance structure of the concave seam allowance 7 and the convex seam allowance 26 between the two cabinet doors, so that the sealing property of the cabinet body is further improved; preferably, to the safety cabinet of two opening doors, at one of them cabinet door 2a installation door lock structure, another cabinet door 2b sets up protruding tang 26, the door plant through cabinet door 2a concave tang 7 is along pushing down the bead outside of cabinet door 2b protruding tang 26, and T type spring bolt 9b in the door lock structure pushes down the bead inboard of protruding tang 26, use a door lock structure can realize the locking of two opening doors, prevent that cabinet door 2b from opening, moreover, the steam generator is simple in structure, and can reduce production cost.

As shown in fig. 15 and 16, and fig. 17 and 18, the safety cabinet of the third and fourth embodiments is a combined double-door safety cabinet, preferably, as shown in the fourth embodiment, a window 27 may be formed on a cabinet door of the safety cabinet, so as to facilitate observation and monitoring of articles stored in the cabinet, and further improve safety.

Claims (10)

1. The utility model provides a safety cabinet, its includes the cabinet body and cabinet door, the cabinet body with the cabinet door passes through hinge rotation and connects its characterized in that: the overlooking surface of the hinge is T-shaped when the cabinet door is closed, and the overlooking surface of the hinge is U-shaped when the cabinet door is opened; the cabinet body with cabinet door through-door lock structural closure, the lock structural closure is including being located the rotation handle in the cabinet door outside with be located the inboard latch fitting of cabinet door, the latch fitting includes T type spring bolt, the both ends of T type spring bolt horizontal part are fixed connection upper lock pole, lower lock pole respectively, T type spring bolt vertical part is the spring bolt end, T type spring bolt with rotate the handle and rotate and connect, the cabinet door install with rotate handle complex lock ear.

2. A safety cabinet according to claim 1, wherein: the hinge is including rotating first installed part and the second installed part of connection, first installed part with the plane of looking down of second installed part all is L shape, the first installed part long limit portion of L shape with the mounting hole has been opened respectively to the long limit portion of L shape second installed part, the quantity ratio of the first installed part short limit portion of L shape the quantity of the second installed part short limit portion of L shape is one more, the first installed part short limit portion of L shape with L shape second installed part short limit portion is in vertical staggered arrangement and establish ties through the pivot.

3. A safety cabinet according to claim 2, wherein: the shaft hole of the short side part at the top end of the L-shaped first mounting part is blocked by hot melt adhesive or glass adhesive, and the shaft hole of the short side part at the bottom end of the L-shaped first mounting part is a blind hole.

4. A safety cabinet according to claim 1, wherein: the T type spring bolt is equipped with the rotary column, the tip of rotary column is equipped with the spline, the T type spring bolt is opened there is the run-through the rotary column with the first through-hole of spline is followed the circumference of rotary column, the T type spring bolt is equipped with annular supporting seat, it has second through-hole and the keyway that link up each other to rotate the handle, the second through-hole with first through-hole correspond the keyway with the spline phase-match.

5. A safety cabinet according to claim 1, wherein: the rotary handle is an L-shaped rotary handle, a padlock hole is formed in the short side part of the L-shaped rotary handle, and a through hole matched with the padlock hole is formed in the lock lug; the upper end and the lower end of the inner side of the cabinet door are respectively provided with a guide limiting sleeve matched with the upper lock rod and the lower lock rod.

6. A safety cabinet according to claim 1, wherein: the cabinet body is provided with a vent hole; the cabinet body is internally provided with an article placing partition plate; the bottom of the cabinet body is provided with a height adjusting bolt.

7. A safety cabinet according to claim 1, wherein: the bottom of the cabinet body on the side of the cabinet door is of an inwards concave structure.

8. A safety cabinet according to claim 2, wherein: the cabinet body the cabinet door lock structure lock ear the first installed part of L shape with the second installed part of L shape is corrosion-resistant plastics.

9. A safety cabinet according to any one of claims 1 to 8, wherein: the cabinet door is a single-door, and the cabinet door and the cabinet body are closed through a spigot structure.

10. A safety cabinet according to any one of claims 1 to 8, wherein: the cabinet door is two to open the door, one of them the cabinet door installation the lock structure, the cabinet door with between the cabinet body, two the cabinet door is being close to the one end of lock structure is closed through tang structure.

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