CN220004068U - Clean workbench with double glass door safety structure - Google Patents
Clean workbench with double glass door safety structure Download PDFInfo
- Publication number
- CN220004068U CN220004068U CN202321267904.1U CN202321267904U CN220004068U CN 220004068 U CN220004068 U CN 220004068U CN 202321267904 U CN202321267904 U CN 202321267904U CN 220004068 U CN220004068 U CN 220004068U
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- glass door
- bolt
- motion conversion
- clean bench
- groove
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- 239000011521 glass Substances 0.000 title claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims description 50
- 238000009434 installation Methods 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 9
- 238000002474 experimental method Methods 0.000 abstract description 12
- 230000009471 action Effects 0.000 abstract description 9
- 230000003028 elevating effect Effects 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000005357 flat glass Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Abstract
The utility model discloses a clean workbench with a double glass door safety structure, which relates to the technical field of clean workbench and comprises sliding rails arranged on two sides of the clean workbench and a glass door slidably mounted on the sliding rails, wherein the rear side of the sliding rails is provided with sliding grooves for mounting the glass door, the front side of the sliding rails is provided with a mounting part, a bolt is slidably mounted on the mounting part, the rear wall of the sliding grooves is provided with a rear wall hole for inserting the bolt, and the front side of the sliding rails is provided with a pushing assembly for pushing the bolt to move backwards. After elevating system rises to working height with the glass door, promote the subassembly and promote the bolt backward motion, the bolt inserts in the back wall hole, and the bolt supports in the bottom of glass door, when elevating system breaks down, also can ensure personnel's safety, can rise to working height with the glass door, satisfies user's emergent experiment needs. After the experiment is finished, the bolt is reset, the bolt is in a forward state under the action of the elastic mechanism, and the lifting mechanism resets the glass door.
Description
Technical Field
The utility model relates to the technical field of clean benches, in particular to a clean bench with a double glass door safety structure.
Background
The clean workbench is air purifying equipment for providing local dust-free and aseptic working environment, is widely applied to the related industries of biological laboratories, medical and health care, biological pharmacy and the like, and has good effects of improving process conditions, protecting the physical health of operators and improving the product quality and yield. At present, the lifting mode of the front window glass door of the clean bench is mainly divided into two modes of manual operation and electric control. The manual operation type mainly adopts a balancing weight balancing structure or a coil spring type structure. The balancing weight balancing structure is characterized in that a counter weight iron with the same weight as the glass door is hung on the other side of the glass door, the glass door is connected with the counter weight iron through a steel wire rope, the steel wire rope is pressed on a pulley in a penetrating manner, and finally the sliding of the front window glass door is realized. After the coil spring type structure is used at high frequency, the coil spring is easy to fatigue, the elasticity is partially lost, and the front window glass door cannot be lifted to the working height. The electric control type is generally driven by a tubular motor, and a motor system can be accidentally failed. The three lifting structures lack additional glass door safety mechanisms, so that the safety of personnel can not be guaranteed when the lifting mechanisms fail, the glass door can be guaranteed to be lifted to the working height, and the emergency experiment requirements of users can be met.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide a clean workbench with a double glass door safety structure, and aims to solve the technical problem that the safety of personnel cannot be guaranteed when a lifting mechanism fails in the prior art, and the emergency experiment requirement of a user is met.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the utility model provides a clean bench with dual glass door insurance structure, includes the glass door of slide rail and slidable mounting on the slide rail that sets up in clean bench both sides, and the rear side of slide rail is equipped with the spout of installation glass door, and the front side of slide rail is equipped with the installation department, and slidable mounting has the bolt on the installation department, has offered the back wall hole that supplies the bolt male on the back wall of spout, and the pushing component who promotes the bolt backward motion is installed to the front side of slide rail.
By adopting the structure, after the lifting mechanism lifts the glass door to the working height, the pushing assembly pushes the bolt to move backwards, the bolt is inserted into the rear wall hole, the bolt is supported at the bottom of the glass door, and when the lifting mechanism breaks down, the safety of personnel can be ensured, so that the glass door can be lifted to the working height, and the emergency experiment needs of a user are met. After the experiment is finished, the bolt is reset and is in a forward state under the action of the elastic mechanism.
Preferably, the pushing assembly comprises a motion conversion part which is slidably mounted on the mounting part and a knob which is rotatably mounted on the front side of the mounting part, the motion conversion part is positioned on the front side of the bolt, the knob is positioned on the front side of the motion conversion part, a travel groove is formed in the motion conversion part, an unlocking groove is formed in the rear end of the travel groove, a locking groove is formed in the front end of the travel groove, the unlocking groove and the locking groove are arranged in a staggered mode in the circumferential direction, a matching rib is arranged on the knob, a matching protrusion matched with the unlocking groove and the locking groove is arranged at the rear end of the matching rib, and an elastic mechanism for driving the bolt to move forwards is further mounted on the mounting part. By adopting the structure, when the glass door is initially rotated, the matching rib is positioned in the unlocking groove, when a user is tested, after the glass door is lifted to the working height by using the lifting mechanism, the knob is rotated, the matching rib on the knob extrudes the travel groove of the motion conversion component, so that the motion conversion component axially moves, the motion conversion component extrudes the bolt, the bolt moves backwards, the bolt is inserted into the rear wall hole, the glass door is supported, locking is completed, at the moment, the matching protrusion moves into the clamping locking groove along with the matching rib, the locking groove limits the matching protrusion, and the bolt is limited in the rear wall hole. After the experiment is finished, the knob is rotated in the opposite direction, the bolt leaves the chute, the glass door can be reset under the action of the lifting mechanism, and the bolt is in a forward state under the action of the elastic mechanism, so that unlocking is completed.
Preferably, the side wall of the motion conversion part is provided with a limit rib, and the mounting part is provided with a groove matched with the limit rib. The limit rib and the groove cooperate to limit the movement of the movement conversion part, so that the movement conversion part can only move axially.
Preferably, the rear end of the motion conversion component is provided with a first slot, and the front end of the plug pin is inserted into the first slot. The first slot is arranged, so that the bolt is inserted into the motion conversion component, and the motion conversion component is convenient to push the bolt to move.
Preferably, the front end of the bolt is provided with a limiting part, the elastic mechanism is a compression spring sleeved on the bolt, and the compression spring is positioned between the front wall of the chute and the limiting part. By adopting the structure, in the unlocking state, the bolt is extruded forwards under the action of the compression spring, and the bolt extrudes the motion conversion part to enable the motion conversion part to be abutted against the installation part, so that the bolt is prevented from shaking and damaging the glass door when the door is unlocked.
Preferably, the knob is provided with a fixed sleeve, and the front end of the motion conversion part is inserted into the fixed sleeve. The fixed sleeve is arranged, so that the movement of the movement conversion part can be facilitated.
Preferably, the fixing seat is arranged on the mounting part, the front end of the fixing seat is provided with a mounting hole, and the rear end of the fixing sleeve is provided with a plurality of first limit protrusions which are uniformly distributed in the circumferential direction and clamped into the mounting hole. Through the first spacing arch, install the knob on the fixing base for the knob can rotate on the fixing base, makes the installation of knob simple and convenient.
Preferably, the motion conversion component comprises an insertion part and an extension part, the extension part comprises a plurality of connection blocks arranged on the insertion part, the connection blocks are distributed at intervals along the circumference of the insertion part, the inner sides of the connection blocks enclose a first slot, an assembly hole is formed in the installation part, and a second limiting protrusion is arranged at one end of the connection block extending into the assembly hole. The connecting blocks are arranged at intervals, so that the connecting blocks deform in the radial direction, and the extending part can be conveniently extruded into the mounting part; through the setting of the second spacing arch, can carry out spacingly to the antedisplacement of motion conversion part, avoid motion conversion part to break away from the installation department.
Preferably, the motion conversion part is provided with two travel grooves uniformly along the circumferential direction. The two travel grooves are symmetrically formed, so that the force of the motion conversion part can be balanced, and the motion of the motion conversion part is facilitated.
Preferably, the slide rail is provided with a mark for identifying the lifting position of the glass door. By adopting the structure, the glass door is convenient for a user to quickly position to the opening height of the glass door.
Drawings
FIG. 1 is a schematic view of a clean bench having a dual glass door safety structure according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a longitudinal section of the safety structure;
FIG. 3 is a schematic cross-sectional view of a cross-section of a safety structure;
FIG. 4 is a schematic view of the structure of the motion converting member;
FIG. 5 is a schematic view of the structure of the knob;
fig. 6 is a schematic view of a part of the structure of the slide rail.
In the drawing, a clean bench 1, a slide rail 2, a slide groove 20, a mounting portion 21, an assembly hole 210, a rear wall 22, a rear wall hole 220, a front wall 23, a movement hole 230, a groove 24, a glass door 3, a latch 4, a stopper portion 40, a pushing member 5, a movement conversion member 50, a travel groove 500, an unlocking groove 501, a locking groove 502, a first insertion groove 503, a stopper rib 504, an insertion portion 505, an extension portion 506, a connection block 507, a second stopper protrusion 508, a knob 51, a fitting rib 510, a fitting protrusion 511, a fixing sleeve 512, a first stopper protrusion 513, a compression spring 6, a fixing base 7, and a mounting hole 70.
Detailed Description
The utility model is further elucidated below in conjunction with the accompanying drawings.
The orientations referred to in the present specification are all based on the orientations of the clean bench with the dual glass door safety structure in normal operation, and are not limited to the orientations in storage and transportation, but only represent relative positional relationships, and not absolute positional relationships.
As shown in fig. 1 to 6, a clean bench with a dual glass door safety structure comprises a sliding rail 2 arranged at two sides of the clean bench 1 and a glass door 3 slidably mounted on the sliding rail 2, wherein the glass door 3 slides vertically, a sliding groove 20 for mounting the glass door 3 is arranged at the rear side of the sliding rail 2, a mounting part 21 is arranged at the front side of the sliding rail 2, a bolt 4 is slidably mounted on the mounting part 21, the bolt 4 slides longitudinally, a rear wall hole 220 for inserting the bolt 4 is formed in a rear wall 22 of the sliding groove 20, and a pushing assembly 5 for pushing the bolt 4 to move backwards is mounted at the front side of the sliding rail 2. The slide rail 2 is made of plastic, and the slide rail 2 is arranged on the clean bench 1 through screws.
When carrying out the experiment, elevating system rises glass door 3 to working height back, promotes the subassembly and promotes bolt 4 backward motion, and in bolt 4 inserted back wall hole 220, bolt 4 supported in the bottom of glass door 3, when elevating system breaks down, also can ensure personnel's safety, can rise glass door 3 to working height, satisfies user's emergent experiment needs. After the experiment is finished, the bolt 4 is reset, the bolt 4 is in a forward state under the action of the elastic mechanism, and the lifting mechanism resets the glass door 3.
The pushing assembly comprises a motion conversion part 50 slidably mounted on the mounting part 21 and a knob 51 rotatably mounted on the front side of the mounting part 21, the motion conversion part 50 slides longitudinally, the motion conversion part 50 is located on the front side of the bolt 4, the knob 51 is located on the front side of the motion conversion part 50, a travel groove 500 is formed in the motion conversion part 50, an unlocking groove 501 is formed in the rear end of the travel groove 500, a locking groove 502 is formed in the front end of the travel groove 500, the unlocking groove 501 and the locking groove 502 are arranged in a staggered mode in the circumferential direction, the unlocking groove 501 and the locking groove 502 are all set to be angular shapes, the angle of the angle is preferably smaller than 90 degrees, an included angle between the unlocking groove 501 and the locking groove 502 in the circumferential direction is 120 degrees, a matching rib 510 is arranged on the knob 51, a matching protrusion 511 matched with the unlocking groove 501 and the locking groove 502 is arranged at the rear end of the matching rib 510, and an elastic mechanism for driving the bolt 4 to move forwards is further mounted on the mounting part 21.
When the glass door 3 is initially rotated, the matching rib 510 is positioned in the unlocking groove 501, the knob 51 is rotated after the glass door 3 is lifted to the working height by using the lifting mechanism in the user experiment, the matching rib 510 on the knob 51 presses the travel groove 500 of the motion conversion part 50, so that the motion conversion part 50 moves axially, the motion conversion part 50 presses the bolt 4 to move backwards, the bolt 4 is inserted into the rear wall hole 220, the glass door 3 is supported, locking is completed, at this time, the matching protrusion 511 moves to be clamped into the locking groove 502 along with the matching rib 510, the side wall of the locking groove 502 limits the matching protrusion 511, the rotation of the knob 51 is limited, and the bolt 4 is limited in the rear wall hole 220. After the experiment is finished, the knob 51 is rotated in the opposite direction, the bolt 4 leaves the chute 20, the glass door 3 can be reset under the action of the lifting mechanism, and the bolt 4 is in a forward state under the action of the elastic mechanism, so that unlocking is finished.
The motion converting members 50 mounted on the two slide rails 2 may be configured in the same structure or in a symmetrical structure, which is not limited in the present utility model.
The side wall of the motion conversion component 50 is provided with a limiting rib 504, and the mounting portion 21 is provided with a groove 24 adapted to the limiting rib 504. Preferably, the spacing rib 504 and the groove 24 are symmetrically arranged in two. The spacing rib 504 and the groove 24 cooperate to limit the movement of the movement conversion member 50 such that the movement conversion member 50 is only axially movable.
In order to facilitate the linkage of the latch 4 and the motion converting member 50, a first slot 503 is provided at the rear end of the motion converting member 50, and the front end of the latch 4 is inserted into the first slot 503. The first slot 503 is configured such that the latch 4 is inserted into the motion converting member 50, so that the motion converting member 50 pushes the latch 4 to move.
Further, the front end of the bolt 4 is provided with a limiting part 40, the elastic mechanism is a compression spring 6 sleeved on the bolt 4, and the compression spring 6 is positioned between the front wall 23 of the chute 20 and the limiting part 40. The front wall 23 of the chute 20 is provided with a movement hole 230, and the latch 4 moves in the movement hole 230. When in the unlocking state, the bolt 4 is pressed forwards under the action of the compression spring 6, and the bolt 4 presses the motion conversion part 50 to be abutted against the mounting part 21, so that the bolt 4 is prevented from shaking and damaging the glass door 3 when in unlocking.
In order to facilitate the linkage between the knob 51 and the motion converting member 50, a fixing sleeve 512 is provided on the knob 51, and the front end of the motion converting member 50 is inserted into the fixing sleeve 512. The fixing sleeve 512 is provided to facilitate the movement of the movement conversion member 50.
In order to facilitate the installation of the knob 51, the fixing seat 7 is installed on the installation portion 21, the fixing seat 7 is installed on the sliding rail 2 through a screw, the front end of the fixing seat 7 is provided with the installation hole 70, and the rear end of the fixing sleeve 512 is provided with a plurality of first limiting protrusions 513 which are uniformly distributed in the circumferential direction and clamped into the installation hole 70. The knob 51 is mounted on the fixing base 7 by the first limit protrusion 513 such that the knob 51 can be rotated on the fixing base 7.
Wherein, the motion conversion component 50 includes an insertion portion 505 and an extension portion 506, the extension portion 506 includes a plurality of connecting blocks 507 disposed on the insertion portion 505, the plurality of connecting blocks 507 are arranged along the circumferential direction of the insertion portion 505 at intervals, the inner sides of the plurality of connecting blocks 507 enclose into a first slot 503, an assembly hole 210 is formed on the mounting portion 21, and a second limit protrusion 508 is disposed at one end of the connecting block 507 extending into the assembly hole 210. The connecting blocks 507 are arranged at intervals, so that the connecting blocks 507 deform in the radial direction, and the extending part can be conveniently extruded into the mounting part 21; by providing the second limiting projection 508, the forward movement of the motion converting member 50 can be limited, and the motion converting member 50 is prevented from being separated from the mounting portion 21.
During preassembly, the pin 4 and the compression spring 6 are preassembled in the motion conversion component 50, and then the preassembled body is pushed into the assembly hole 210 of the sliding rail 2, preferably the motion conversion component 50 is a plastic piece, the second limiting protrusion 508 can be radially deformed, and the second limiting protrusion 508 can be loosened after partially penetrating through the assembly hole 210. The second limit protrusion 508 touches the inner side of the mounting portion 21 under the elastic force of the compression spring 6. The fixed seat 7 is arranged on the sliding rail 2 through a screw, the first limit bulge 513 of the knob 51 is pressed into the mounting hole 70 of the fixed seat 7, the rear side of the knob 51 abuts against the sliding rail 2, and the circumferential movement of the knob 51 is limited, so that the knob 51 can only perform rotary movement.
As a preferable example of the present embodiment, two stroke grooves 500 are uniformly formed in the motion conversion member 50 in the circumferential direction. The provision of the two stroke grooves 500 symmetrically provides for balancing the force of the motion converting member 50, facilitating the movement of the motion converting member 50.
As a preferable example of the present embodiment, the clean bench 1 and the glass door 3 are mounted with a magneto-sensitive switch for detecting the glass door 3 in place, and a magneto-sensitive switch magnet part and a sensing part are mounted on the clean bench 1 and the glass door 3, respectively. When the glass door 3 rises to the working height, the magnet part and the induction part of the magnetic-sensitive switch are in butt joint, the voice module is started, and a user is reminded to start the locking structure.
As a preferred example of the present embodiment, the slide rail 2 is provided with a mark for identifying the raised position of the glass door 3. By adopting the structure, a user can conveniently and quickly position the opening height of the glass door 3.
It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that the utility model is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the utility model.
Claims (10)
1. The utility model provides a clean bench with dual glass door insurance structure, includes the slide rail that sets up in clean bench both sides and the glass door of slidable mounting on the slide rail, its characterized in that, the rear side of slide rail is equipped with the spout of installation glass door, and the front side of slide rail is equipped with the installation department, and slidable mounting has the bolt on the installation department, has offered the back wall hole that supplies the bolt male on the back wall of spout, and the pushing subassembly of pushing the bolt backward motion is installed to the front side of slide rail, still install the elastic mechanism of drive bolt forward motion on the slide rail.
2. The clean bench with double glass door safety structure according to claim 1, wherein the pushing assembly comprises a motion conversion part slidably mounted on the mounting part and a knob rotatably mounted on the front side of the mounting part, the motion conversion part is positioned on the front side of the bolt, the knob is positioned on the front side of the motion conversion part, a travel groove is formed in the motion conversion part, an unlocking groove is formed in the rear end of the travel groove, a locking groove is formed in the front end of the travel groove, the unlocking groove and the locking groove are arranged in a staggered manner in the circumferential direction, a matching rib is arranged on the knob, a matching protrusion matched with the unlocking groove and the locking groove is arranged at the rear end of the matching rib, and an elastic mechanism for driving the bolt to move forwards is further mounted on the mounting part.
3. The clean bench with double glass door safety structure according to claim 2, wherein the side wall of the motion conversion part is provided with a limit rib, and the mounting part is provided with a groove matched with the limit rib.
4. The clean bench with double glass door safety structure according to claim 2, wherein the rear end of the motion conversion member is provided with a first slot, and the front end of the latch is inserted into the first slot.
5. The clean bench with dual glass door safety structure according to claim 4, wherein the front end of the latch is provided with a limit part, and the elastic mechanism is a compression spring sleeved on the latch, and the compression spring is located between the front wall of the chute and the limit part.
6. The clean bench with double glass door safety structure according to claim 5, wherein the knob is provided with a fixing sleeve, and the front end of the motion conversion part is inserted into the fixing sleeve.
7. The clean bench with double glass door safety structure according to claim 6, wherein the mounting portion is provided with a fixing seat, the front end of the fixing seat is provided with a mounting hole, and the rear end of the fixing sleeve is provided with a plurality of first limit protrusions which are uniformly distributed in the circumferential direction and clamped into the mounting hole.
8. The clean bench with dual glass door safety structure according to claim 2, wherein the motion conversion member comprises an insertion portion and an extension portion, the extension portion comprises a plurality of connection blocks arranged on the insertion portion, the connection blocks are arranged at intervals along the circumference of the insertion portion, the inner sides of the connection blocks enclose a first slot, the installation portion is provided with an assembly hole, and one end of the connection block extending into the assembly hole is provided with a second limiting protrusion.
9. The clean bench with dual glass door safety structure according to claim 2, wherein the motion conversion member is provided with two stroke grooves uniformly along the circumferential direction.
10. A clean bench having a dual glass door safety structure as claimed in any of claims 1 to 9 wherein the slide rail is provided with indicia identifying the raised position of the glass door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321267904.1U CN220004068U (en) | 2023-05-23 | 2023-05-23 | Clean workbench with double glass door safety structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321267904.1U CN220004068U (en) | 2023-05-23 | 2023-05-23 | Clean workbench with double glass door safety structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220004068U true CN220004068U (en) | 2023-11-14 |
Family
ID=88672983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321267904.1U Active CN220004068U (en) | 2023-05-23 | 2023-05-23 | Clean workbench with double glass door safety structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220004068U (en) |
-
2023
- 2023-05-23 CN CN202321267904.1U patent/CN220004068U/en active Active
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