CN214371136U

CN214371136U - Liquid nitrogen machine for cryogenic treatment

Info

Publication number: CN214371136U
Application number: CN202120250550.4U
Authority: CN
Inventors: 陈芳明
Original assignee: Shaoxing Kedun Instrument Co ltd
Current assignee: Shaoxing Kedun Instrument Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-10-08
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a liquid nitrogen machine for cryogenic treatment relates to the liquid nitrogen machine, need tighten the screw handle one by one when aiming at solving and closing the freezer, the problem that wastes time and energy, and its technical scheme main points are: including the cabinet door and the cabinet body, cabinet door and cabinet body are articulated, equal fixedly connected with sealing washer on cabinet door and the cabinet body, and the lateral wall sliding connection of the cabinet body has the slide bar of horizontal setting, and the connecting block that the even interval of a plurality of its length direction of edge of fixedly connected with set up on the slide bar, the locking piece that fixedly connected with level set up on the connecting block, a plurality of fixed blocks of fixedly connected with on the cabinet door, the caulking groove that is used for holding the embedding of locking piece is offered to the lateral wall of fixed block. The utility model discloses a slip slide bar drives the locking piece and removes, and in the locking piece embedding guide way, the inclined plane of locking piece extrusion guide way for the cabinet door is towards the upset of the cabinet body, and then in the locking piece embedding caulking groove, makes the sealing washer on the cabinet door and the cabinet body support tightly, and then conveniently closes and even refrigerator door that compresses tightly.

Description

Liquid nitrogen machine for cryogenic treatment

Technical Field

The utility model relates to a liquid nitrogen machine, more specifically say, it relates to a liquid nitrogen machine for cryogenic treatment.

Background

The cryogenic treatment is a method for treating a workpiece at a temperature lower than-130 ℃ by using liquid nitrogen as a refrigerant. The cryogenic treatment can obviously improve the toughness of the workpiece under the condition of not reducing the strength and the hardness of the workpiece. The cryogenic treatment method is divided into a liquid method and a gas method. The liquid method is to directly put the workpiece into liquid nitrogen, the processing temperature is-150 ℃, and the defect is that thermal shock is large, and sometimes even the workpiece is cracked; the gas method is to refrigerate by the latent heat of vaporization of liquid nitrogen and the heat absorption of low-temperature nitrogen, and the treatment temperature reaches-196 ℃, and the treatment effect is good.

The refrigerating plant of current cryrogenic processing is the liquid nitrogen machine, and the liquid nitrogen machine includes deep freezer and liquid nitrogen bottle, and the cryrogenic cabinet passes through pipeline and liquid nitrogen bottle intercommunication, installs the solenoid valve on the pipeline, is equipped with the sealing washer between cabinet door and the cabinet body, when closing the cabinet door, rotates a plurality of spiral handle on the cabinet door and cabinet body fixed connection and compress tightly, makes the sealing washer support tightly through compressing tightly the cabinet door.

The bigger the volume of the existing refrigerator is, the more the spiral handle is arranged for uniformly compressing the cabinet door, and the time and labor are wasted because the spiral handle needs to be screwed down one by one when a worker closes the refrigerator.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a liquid nitrogen machine for cryogenic treatment conveniently closes and even refrigerator door that compresses tightly.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a liquid nitrogen machine for cryrogenic treatment, includes the cabinet door and the cabinet body, cabinet door and cabinet body are articulated, equal fixedly connected with sealing washer on cabinet door and the cabinet body, the lateral wall sliding connection of the cabinet body has the horizontal slide bar that sets up, a plurality of connecting blocks that set up along its length direction even interval of fixedly connected with on the slide bar, the lock piece that fixedly connected with level set up on the connecting block, a plurality of fixed blocks of fixedly connected with on the cabinet door, the caulking groove that is used for holding the lock piece embedding is seted up to the lateral wall of fixed block, the guide way that longitudinal section is right angled triangle and is located the caulking groove below has been seted up to the lateral wall of fixed block, the right angle limit and the caulking groove intercommunication of guide way.

Through adopting above-mentioned technical scheme, when people closed the cabinet door tightly, through the slip slide bar to drive connecting block and locking piece and remove, then in locking piece embedding guide way, and the terminal surface of locking piece is inconsistent with the inclined plane of guide way, along with the slide bar removes, the inclined plane of locking piece extrusion guide way makes the cabinet door upset towards the cabinet body, then in locking piece embedding caulking groove, make the sealing washer on the cabinet door and the cabinet body support tightly, and then conveniently close and even cold cabinet door that compresses tightly.

The utility model discloses further set up to: the cabinet is characterized in that a plurality of supporting blocks with the same horizontal height are fixedly connected to the side wall of the cabinet body, the sliding rod is cuboid, and a first through hole which is cuboid and used for accommodating the sliding rod to pass through is formed in each supporting block.

Through adopting above-mentioned technical scheme, slide in through-hole one through the slide bar to play the guide effect to the removal of slide bar, conveniently drive locking piece embedding caulking groove.

The utility model discloses further set up to: the cabinet comprises a cabinet body and is characterized in that a fixed seat is fixedly connected to the side wall of the cabinet body, a screw rod transversely arranged is in threaded connection with the fixed seat, and one end of the screw rod is rotatably connected with a sliding rod.

Through adopting above-mentioned technical scheme, through rotating the screw rod for the screw rod is rotatory and remove in the horizontal direction, because the screw rod rotates with the slide bar to be connected, thereby makes the slide bar remove on the horizontal direction, conveniently drives the locking piece and removes.

The utility model discloses further set up to: the screw rod is kept away from the one end fixedly connected with rotary column of slide bar, set up through-hole two on the rotary column, sliding connection has the pinch bar that passes through-hole two and set up with the screw rod is perpendicular on the rotary column.

Through adopting above-mentioned technical scheme, slide in through-hole two through the pinch bar to make people keep away from the screw rod to the application of force point of pinch bar application of force, and then make the removal pinch bar drive screw rod and rotary column pivoted process more laborsaving.

The utility model discloses further set up to: and both ends of the pry bar are fixedly connected with limiting balls.

Through adopting above-mentioned technical scheme, it is inconsistent with the rotary column through spacing ball to the restriction pinch bar breaks away from through-hole two, makes things convenient for depositing of pinch bar.

The utility model discloses further set up to: the utility model discloses a spacing post of slide bar, including slide bar, connecting post, the terminal surface of connecting post is offered and is used for holding the chamber of pivot lever and spacing post pivoted, the slide bar is close to the one end fixedly connected with pivot lever of screw rod, the one end fixedly connected with that the slide bar was kept away from to the pivot lever is cylindric spacing post, the one end fixedly connected with spliced pole that the screw rod is close to the slide bar, the terminal surface of spliced pole is offered and is used for holding pivot lever and spacing post pivoted.

By adopting the technical scheme, the rotating rod and the limiting column rotate in the accommodating cavity, so that the guide effect is achieved on the relative rotation of the sliding rod and the connecting column, and the sliding rod is conveniently driven to move by rotating the screw rod.

The utility model discloses further set up to: the locking piece has seted up the spigot surface towards the one end of caulking groove.

Through adopting above-mentioned technical scheme, through setting up the spigot surface, reduce the stress concentration phenomenon of lock piece terminal surface, improve the intensity of lock piece.

The utility model discloses further set up to: the sliding rod is fixedly connected with a plurality of reinforcing blocks which are uniformly arranged along the length direction of the sliding rod at intervals, and the reinforcing blocks are in a right-angled triangle shape and are fixedly connected with the connecting blocks on vertical right-angled edges.

Through adopting above-mentioned technical scheme, through setting up the boss, improve the joint strength between connecting block and the slide bar, and then improve the life of connecting block.

To sum up, the utility model discloses following beneficial effect has: when people closed the cabinet door tightly, through the slip slide bar to drive connecting block and locking piece and remove, then in locking piece embedding guide way, and the terminal surface of locking piece offsets with the inclined plane of guide way, along with the slide bar removes, the inclined plane of locking piece extrusion guide way makes the cabinet door upset towards the cabinet body, then in locking piece embedding caulking groove, makes the sealing washer on cabinet door and the cabinet body support tightly, and then conveniently closes and even cold cabinet door that compresses tightly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the sliding rod of the present invention;

fig. 3 is a cross-sectional view of the middle fixing block of the present invention;

fig. 4 is a cross-sectional view of the connecting column of the present invention.

In the figure: 1. a cabinet door; 2. a cabinet body; 3. a slide bar; 4. connecting blocks; 5. a locking block; 6. a fixed block; 7. caulking grooves; 8. a guide groove; 9. a support block; 10. a fixed seat; 11. a screw; 12. turning the column; 13. a pry bar; 14. a limiting ball; 15. a rotating rod; 16. a limiting column; 17. connecting columns; 18. a cavity; 19. a guide surface; 20. and a reinforcing block.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A liquid nitrogen machine for cryogenic treatment is disclosed, as shown in figure 1, figure 2 and figure 4, and comprises a cabinet door 1 and a cabinet body 2, wherein the cabinet door 1 is hinged with the cabinet body 2, sealing rings are respectively bonded on the cabinet door 1 and the cabinet body 2, a plurality of cuboid-shaped supporting blocks 9 at the same level are welded on the side wall of the cabinet body 2, a first through hole I which is transversely arranged and is cuboid-shaped is formed in each supporting block 9, a slide rod 3 which is transversely arranged and is cuboid-shaped is connected to the side wall of the cabinet body 2 in a sliding manner, the slide rod 3 penetrates through the first through hole, a cuboid-shaped fixing seat 10 is welded on the side wall of the cabinet body 2, a transversely arranged screw rod 11 is connected with the fixing seat 10 in a threaded manner, a cylindrical rotating rod 15 is welded at one end, close to the screw rod 11, a limiting column 16 which is coaxially arranged with the rotating rod 15 is welded at one end, far away from the slide rod 3, a cylindrical connecting column 17 is welded at one end, close to the slide rod 3, of the screw rod 11, the terminal surface of spliced pole 17 is offered and is used for holding bull stick 15 and spacing post 16 pivoted and holds chamber 18, and the cross-section that holds chamber 18 is the T type, and the one end welding that slide bar 3 was kept away from to screw rod 11 has been cylindric rotating column 12, has seted up through-hole two on the periphery wall of rotating column 12, and sliding connection has the pinch bar 13 that passes through-hole two and set up perpendicularly with screw rod 11 on rotating column 12, and spacing ball 14 has all been welded at the both ends of pinch bar 13.

As figure 1, fig. 2 and 3 show, the welding has a plurality of connecting blocks 4 that set up and be the cuboid form along its length direction even interval on slide bar 3, the top welding of connecting block 4 has the level to set up and is the locking piece 5 of cuboid form, the welding has a plurality of fixed blocks 6 that are the cuboid form on cabinet door 1, caulking groove 7 that is used for holding the embedding of locking piece 5 is offered to the lateral wall of fixed block 6, the longitudinal section has been offered to the lateral wall of fixed block 6 and has been right angled triangle and be located the guide way 8 of caulking groove 7 below, the right angle limit and the caulking groove 7 intercommunication of guide way 8, spigot surface 19 has been offered towards the one end of caulking groove 7 to locking piece 5, the welding has a plurality of stiffeners 20 that set up along its length direction even interval on slide bar 3, stiffener 20 is right angled triangle shape and its vertical right angle limit and welding with connecting block 4.

When people tightly close the cabinet door 1, the pry bar 13 is moved to slide in the through hole II and is abutted against the rotary column 12 through the limiting ball 14, the pry bar 13 is limited to be separated from the through hole II, the pry bar 13 is moved to enable the force application point of people applying force to the pry bar 13 to be far away from the screw rod 11, and further the process that the pry bar 13 is moved to drive the screw rod 11 and the rotary column 12 to rotate is more labor-saving, the pry bar 13 is moved to drive the screw rod 11 to rotate, the screw rod 11 is rotated and moved in the horizontal direction, the screw rod 11 drives the connecting column 17 to rotate, the rotary rod 15 and the limiting column 16 rotate in the accommodating cavity 18, so that the relative rotation of the slide bar 3 and the connecting column 17 is guided, the slide bar 3 is conveniently driven to move by rotating the screw rod 11, the slide bar 3 slides in the through hole I, so that the guide effect is realized on the movement of the slide bar 3, the slide bar 3 drives the connecting block 4 and the locking block 5 to move, and then the locking block 5 is embedded into the guide groove 8, and the terminal surface of lock piece 5 is inconsistent with the inclined plane of guide way 8, along with slide bar 3 removes, the inclined plane of guide way 8 is extrudeed to spigot surface 19, through setting up spigot surface 19, reduce the stress concentration phenomenon of 5 terminal surfaces of lock piece, improve the intensity of lock piece 5, make cabinet door 1 overturn towards the cabinet body 2, then lock piece 5 imbeds in the caulking groove 7, make the sealing washer on cabinet door 1 and the cabinet body 2 support tightly, and then conveniently close and even cold cabinet door 1 that compresses tightly, through setting up boss 20, improve the joint strength between connecting block 4 and the slide bar 3, and then improve connecting block 4's life.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A liquid nitrogen machine for cryogenic treatment is characterized in that: comprises a cabinet door (1) and a cabinet body (2), wherein the cabinet door (1) is hinged with the cabinet body (2), the cabinet door (1) and the cabinet body (2) are both fixedly connected with sealing rings, the side wall of the cabinet body (2) is connected with a sliding rod (3) which is transversely arranged in a sliding way, the slide bar (3) is fixedly connected with a plurality of connecting blocks (4) which are arranged at equal intervals along the length direction, a locking block (5) which is horizontally arranged is fixedly connected on the connecting block (4), a plurality of fixed blocks (6) are fixedly connected on the cabinet door (1), the side wall of each fixed block (6) is provided with an embedded groove (7) for accommodating the locking block (5) to be embedded, the lateral wall of fixed block (6) has been seted up longitudinal section and has been right angled triangle and be located guide way (8) of caulking groove (7) below, the right-angle side and caulking groove (7) intercommunication of guide way (8).

2. The liquid nitrogen machine for cryogenic treatment according to claim 1, characterized in that: the cabinet is characterized in that a plurality of supporting blocks (9) with the same horizontal height are fixedly connected to the side wall of the cabinet body (2), the slide bar (3) is cuboid, and a first through hole which is cuboid and used for accommodating the slide bar (3) to pass through is formed in each supporting block (9).

3. The liquid nitrogen machine for cryogenic treatment according to claim 1, characterized in that: fixedly connected with fixing base (10) on the lateral wall of the cabinet body (2), fixing base (10) threaded connection has screw rod (11) of horizontal setting, the one end and the slide bar (3) of screw rod (11) are rotated and are connected.

4. The liquid nitrogen machine for cryogenic treatment according to claim 3, characterized in that: the one end fixedly connected with rotary column (12) of slide bar (3) is kept away from in screw rod (11), through-hole two has been seted up on rotary column (12), sliding connection has pry bar (13) that pass through-hole two and set up perpendicularly with screw rod (11) on rotary column (12).

5. The liquid nitrogen machine for cryogenic treatment according to claim 4, characterized in that: both ends of the pry bar (13) are fixedly connected with limiting balls (14).

6. The liquid nitrogen machine for cryogenic treatment according to claim 3, characterized in that: slide bar (3) are close to one end fixedly connected with bull stick (15) of screw rod (11), the one end fixedly connected with that slide bar (3) were kept away from in bull stick (15) is cylindric spacing post (16), screw rod (11) are close to one end fixedly connected with spliced pole (17) of slide bar (3), the terminal surface of spliced pole (17) is offered and is used for holding bull stick (15) and spacing post (16) pivoted appearance chamber (18).

7. The liquid nitrogen machine for cryogenic treatment according to claim 1, characterized in that: the locking block (5) is provided with a guide surface (19) towards one end of the caulking groove (7).

8. The liquid nitrogen machine for cryogenic treatment according to claim 1, characterized in that: the sliding rod (3) is fixedly connected with a plurality of reinforcing blocks (20) which are arranged along the length direction of the sliding rod at even intervals, and the reinforcing blocks (20) are in a right-angled triangle shape and are fixedly connected with the connecting blocks (4) on vertical right-angled edges.