CN219176115U

CN219176115U - Freeze dryer gate hinge and freeze dryer

Info

Publication number: CN219176115U
Application number: CN202222819768.4U
Authority: CN
Inventors: 何国强; 张志生
Original assignee: Austar Pharmaceutical Technology Equipment Nanjing Co ltd
Current assignee: Austar Pharmaceutical Technology Equipment Nanjing Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-06-13
Anticipated expiration: 2032-10-25

Abstract

The utility model provides a gate hinge of a freeze dryer and the freeze dryer, which belong to the technical field of freeze dryers and comprise a first hinge, a second hinge, a hinge pin shaft and a positioning mechanism. The first hinge comprises a first connecting plate, a top plate and a bottom plate, and a first connecting part is arranged on the first connecting plate; the second hinge comprises a second connecting plate; the hinge pin shaft sequentially penetrates through the top plate, the second connecting plate and the bottom plate and is in running fit with the second connecting plate; the positioning mechanism comprises a mounting plate, a positioning hole and a positioning piece, wherein the mounting plate is arranged on one side of the top plate, the positioning hole is formed in the upper end face of the second connecting plate, and the positioning piece penetrates through the mounting plate and is inserted into the positioning hole. According to the freeze dryer gate hinge, when the freeze dryer gate is in the open state, the locating piece penetrates through the mounting plate from top to bottom and is inserted into the locating hole in the upper end face of the second connecting plate, so that the freeze dryer gate is located, the freeze dryer gate is always kept in the open state, and the situation that the freeze dryer gate is accidentally closed is avoided.

Description

Freeze dryer gate hinge and freeze dryer

Technical Field

The utility model belongs to the technical field of freeze dryers, and particularly relates to a gate hinge of a freeze dryer and the freeze dryer.

Background

The freeze dryer gate is the outside gate of drying cabinet intercommunication, and the during operation is carried out in the freeze dryer drying cabinet to the operating personnel, and the freeze dryer gate should be kept in the open state, ensures that the operating personnel can pass through the free business turn over of freeze dryer gate.

In the prior art, the freeze dryer gate is usually only provided with a locking state when closed, and in an opened state, the freeze dryer gate is in a free and unrestricted state, and the condition of unexpected closing can occur under the action of external force, so that potential safety hazards can be brought to operators in a freeze dryer drying box.

Disclosure of Invention

The utility model aims to provide a freeze dryer gate hinge which can position a freeze dryer gate in an opened state and avoid the condition that the freeze dryer gate is accidentally closed.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a freeze dryer gate hinge including:

the first hinge comprises a first connecting plate, a top plate arranged at the upper end of the first connecting plate and a bottom plate arranged at the lower end of the first connecting plate, a first connecting part connected with the drying box body is arranged on the first connecting plate, and an installation space is formed between the top plate and the bottom plate;

the second hinge comprises a second connecting plate, one end of the second connecting plate is inserted into the installation space, and the other end of the second connecting plate is provided with a second connecting part connected with a freeze dryer gate;

the hinge pin shaft sequentially penetrates through the top plate, the second connecting plate and the bottom plate and is in running fit with the second connecting plate;

the positioning mechanism comprises a mounting plate, a positioning hole and a positioning piece, wherein the mounting plate is arranged on one side of the top plate away from the first connecting plate, the positioning hole is formed in the upper end face of the second connecting plate, and the positioning piece penetrates through the mounting plate and is inserted into the positioning hole and is used for positioning the second connecting plate in a state that a gate of the freeze dryer is opened.

In one possible implementation manner, the number of the positioning holes is multiple, and the multiple positioning holes are arranged on the corresponding base circle at intervals by taking the axis of the hinge pin shaft as the center of a circle.

In one possible implementation manner, the positioning piece is a positioning bolt, a threaded hole is formed in the mounting plate, and the positioning bolt is in threaded fit with the threaded hole and penetrates through the threaded hole.

In one possible implementation, the positioning bolt is a butterfly bolt.

In one possible implementation manner, a first anti-falling part is arranged at the upper end of the hinge pin, the first anti-falling part is positioned at the upper end of the top plate, a second anti-falling part is arranged at the lower end of the hinge pin, and the second anti-falling part is positioned at the lower end of the bottom plate.

In one possible implementation, the first anti-drop member includes a baffle integrally formed at an upper end of the hinge pin; the second anti-falling piece comprises a hinge check ring which is detachably connected with the lower end of the hinge pin shaft.

In one possible implementation manner, one end of the second connecting plate is provided with a through hole for the hinge pin to pass through, and the upper part and the lower part of the through hole are respectively provided with a bearing assembly.

In one possible implementation, the first connection portion and the second connection portion each include a plurality of connection bolts for connecting the first connection plate and the drying cabinet, and the second connection plate and the lyophilizer gate, respectively.

In one possible implementation, a side of the mounting plate remote from the top plate is arcuate.

The gate hinge of the freeze dryer has the beneficial effects that: compared with the prior art, the first connecting plate is connected with the drying box body by means of the first connecting part, and the second connecting plate is connected with the gate of the freeze dryer by means of the second connecting part. The hinge pin shaft sequentially penetrates through the top plate, the second connecting plate and the bottom plate, the second connecting plate is in running fit with the hinge pin shaft, and the freeze dryer gate can rotate relative to the drying box body, so that the freeze dryer gate can be turned on or turned off. When the freeze dryer gate is in an open state, the locating piece penetrates through the mounting plate from top to bottom and is inserted into the locating hole on the upper end face of the second connecting plate, so that the freeze dryer gate is located, the freeze dryer gate is always kept in the open state, and the situation that the freeze dryer gate is accidentally closed is avoided.

The utility model also provides a freeze dryer, which comprises the freeze dryer gate hinge.

The freeze dryer provided by the utility model has the same beneficial effects as the freeze dryer gate hinge because the freeze dryer gate hinge is used, and the detailed description is omitted.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of 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 utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a door hinge of a freeze dryer according to an embodiment of the present utility model;

fig. 2 is a top view of a door hinge of a freeze dryer according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a first connection plate; 2. a top plate; 3. a bottom plate; 4. a second connecting plate; 5. a first connection portion; 6. a second connecting portion; 7. a hinge pin; 8. a mounting plate; 9. positioning holes; 10. positioning bolts; 11. a baffle; 12. a hinge retainer ring; 13. a bearing assembly.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 and 2, a door hinge of a freeze dryer according to the present utility model will be described. A freeze dryer gate hinge comprises a first hinge, a second hinge, a hinge pin shaft 7 and a positioning mechanism.

The first hinge comprises a first connecting plate 1, a top plate 2 arranged at the upper end of the first connecting plate 1 and a bottom plate 3 arranged at the lower end of the first connecting plate 1, wherein a first connecting part 5 connected with the drying box body is arranged on the first connecting plate 1, and an installation space is formed between the top plate 2 and the bottom plate 3; the second hinge comprises a second connecting plate 4, one end of the second connecting plate 4 is inserted into the installation space, and the other end of the second connecting plate 4 is provided with a second connecting part 6 connected with the gate of the freeze dryer; the hinge pin shaft 7 sequentially penetrates through the top plate 2, the second connecting plate 4 and the bottom plate 3 and is in running fit with the second connecting plate 4; the positioning mechanism comprises a mounting plate 8, a positioning hole 9 and a positioning piece, wherein the mounting plate 8 is arranged on one side of the top plate 2 away from the first connecting plate 1, the positioning hole 9 is formed in the upper end face of the second connecting plate 4, and the positioning piece penetrates through the mounting plate 8 and is inserted into the positioning hole 9 and is used for positioning the second connecting plate 4 in a state that the gate of the freeze dryer is opened.

Compared with the prior art, the gate hinge of the freeze dryer provided by the utility model has the advantages that the first connecting plate 1 is connected with the drying box body by the first connecting part 5, and the second connecting plate 4 is connected with the gate of the freeze dryer by the second connecting part 6. The hinge pin shaft 7 sequentially penetrates through the top plate 2, the second connecting plate 4 and the bottom plate 3, the second connecting plate 4 is in running fit with the hinge pin shaft 7, and the freeze dryer gate can rotate relative to the drying box body, so that the freeze dryer gate can be turned on or turned off. When the freeze dryer gate is in an open state, the locating piece penetrates through the mounting plate 8 from top to bottom and is inserted into the locating hole 9 on the upper end face of the second connecting plate 4, so that the freeze dryer gate is located, always kept in the open state, and accidental closing of the freeze dryer gate is avoided.

In some embodiments, the number of the positioning holes 9 is plural, and the positioning holes 9 are spaced apart on the corresponding base circle with the axis of the hinge pin 7 as the center. The second connecting plate 4 rotates by taking the axis of the hinge pin shaft 7 as a rotating shaft, so that the rotation opening or closing of the freeze dryer gate is realized. In the process that the second connecting plate 4 drives the freeze dryer gate to rotate and open, the locating piece can be matched with different locating holes 9 so as to locate the freeze dryer gate at different angles.

Wherein, the setting element is locating bolt 10, has offered the screw hole on the mounting panel 8, and locating bolt 10 and screw hole screw-thread fit, when needs are fixed a position freeze dryer gate, rotate locating bolt 10, and locating bolt 10's lower extreme is worn out and is inserted in locating hole 9 from the lower extreme of screw hole, and locating hole 9 is the counter bore, and its degree of depth can hold the length of inserting its inside locating bolt 10 lower part.

Preferably, the positioning bolt 10 is a butterfly bolt, and the butterfly structure at the upper part facilitates the holding and rotating of the bolt.

The first anti-falling piece is a baffle 11, is integrally formed at the upper end of the hinge pin 7, the second anti-falling piece is a hinge check ring 12, the hinge check ring 12 is an elastic check ring for a shaft, and is clamped at the lower end of the hinge pin 7 through a clamping groove, and the hinge pin 7 can be prevented from being separated from the first hinge and the second hinge through the baffle 11 and the hinge check ring 12.

At least two groups of bearing assemblies 13 are arranged in the through hole for the hinge pin 7 to pass through, and the two groups of bearing assemblies 13 are respectively arranged at the upper part and the lower part of the through hole and are in rotary fit with the hinge pin 7.

Specifically, the first connecting portion 5 and the second connecting portion 6 each include a plurality of connecting bolts for respectively connecting the first connecting plate 1 and the drying box body, and the second connecting plate 4 and the freeze dryer gate.

Optionally, mounting panel 8 and roof 2 integrated into one piece, the outside cambered surface that forms of mounting panel 8 reduces the risk of striking and tearing.

Based on the same conception, the utility model also provides a freeze dryer using the gate hinge of the freeze dryer.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A freeze dryer gate hinge, comprising:

the first hinge comprises a first connecting plate (1), a top plate (2) arranged at the upper end of the first connecting plate (1) and a bottom plate (3) arranged at the lower end of the first connecting plate (1), wherein a first connecting part (5) connected with a drying box body is arranged on the first connecting plate (1), and an installation space is formed between the top plate (2) and the bottom plate (3);

the second hinge comprises a second connecting plate (4), one end of the second connecting plate (4) is inserted into the installation space, and a second connecting part (6) connected with a freeze dryer gate is arranged at the other end of the second connecting plate (4);

the hinge pin shaft (7) sequentially penetrates through the top plate (2), the second connecting plate (4) and the bottom plate (3) and is in running fit with the second connecting plate (4);

the positioning mechanism comprises a mounting plate (8), a positioning hole (9) and a positioning piece, wherein the mounting plate (8) is arranged on the top plate (2) away from one side of the first connecting plate (1), the positioning hole (9) is formed in the upper end face of the second connecting plate (4), and the positioning piece penetrates through the mounting plate (8) and is inserted into the positioning hole (9) and is used for positioning the second connecting plate (4) in a state that a gate of the freeze dryer is opened.

2. A freeze dryer gate hinge according to claim 1, wherein the number of the positioning holes (9) is plural, and the positioning holes (9) are spaced apart from each other on the corresponding base circle with the axis of the hinge pin (7) as the center.

3. A freeze dryer gate hinge according to claim 1, wherein the positioning member is a positioning bolt (10), the mounting plate (8) is provided with a threaded hole, and the positioning bolt (10) is in threaded fit with the threaded hole and penetrates through the threaded hole.

4. A freeze dryer gate hinge according to claim 3, characterized in that the positioning bolt (10) is a butterfly bolt.

5. A freeze dryer gate hinge according to claim 1, characterized in that the upper end of the hinge pin (7) is provided with a first anti-drop member, the first anti-drop member is located at the upper end of the top plate (2), the lower end of the hinge pin (7) is provided with a second anti-drop member, and the second anti-drop member is located at the lower end of the bottom plate (3).

6. A freeze dryer gate hinge according to claim 5, characterized in that the first anti-drop member comprises a baffle (11) integrally formed at the upper end of the hinge pin (7); the second anti-falling piece comprises a hinge check ring (12) which is detachably connected to the lower end of the hinge pin shaft (7).

7. A freeze dryer gate hinge according to claim 1, characterized in that one end of the second connecting plate (4) is provided with a through hole for the hinge pin (7) to pass through, and the upper part and the lower part of the through hole are respectively provided with a bearing assembly (13).

8. A freeze dryer gate hinge according to claim 1, characterized in that the first connection part (5) and the second connection part (6) each comprise a plurality of connection bolts for connecting the first connection plate (1) and the drying cabinet, and the second connection plate (4) and the freeze dryer gate, respectively.

9. A freeze dryer gate hinge according to claim 1, characterized in that the side of the mounting plate (8) remote from the top plate (2) is arcuate.

10. A lyophilizer comprising a lyophilizer gate hinge according to any of claims 1 to 9.