CN211486858U - Filter membrane pressing device for smoke dust and smoke sampling head - Google Patents
Filter membrane pressing device for smoke dust and smoke sampling head Download PDFInfo
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- CN211486858U CN211486858U CN201921079363.3U CN201921079363U CN211486858U CN 211486858 U CN211486858 U CN 211486858U CN 201921079363 U CN201921079363 U CN 201921079363U CN 211486858 U CN211486858 U CN 211486858U
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Abstract
The utility model discloses a smoke and dust flue gas is filter membrane compression fittings for sampling head, including a plurality of press mold subassemblies, every pressfitting module includes: the upper end of the inclined guide post penetrates through the through groove from the bottom of the sliding block platform to enter the chute, the inclined guide post is driven to incline upwards or downwards when the transmission part moves in the vertical direction, the inclined guide post drives the sliding block to horizontally move through the chute, the front end of the sliding block is in inclined fit with the rear end of the pressing tooth, a circular shaft is arranged at the bottom of the pressing tooth, and when the sliding block horizontally moves forwards, the rear end of the pressing tooth is pushed by the sliding block and downwards pressed, moves forwards and simultaneously performs pressing action in a rotating motion trend around the circular shaft; when the sliding block moves backwards horizontally, the rear end of the pressing tooth moves backwards under the pulling force of the sliding block and simultaneously loosens around the circular shaft in a reverse direction of rotation. The utility model relates to a filter membrane compression fittings for smoke and dust flue gas sampling head that reliability is high, long service life, power consumption are low.
Description
Technical Field
The utility model relates to a smoke and dust flue gas sampling technical field especially relates to a filter membrane compression fittings for smoke and dust flue gas sampling head that reliability is high, long service life, power consumption are low.
Background
Sampling is carried out on low-concentration smoke dust by adopting a weighing method, a sampling head, a filter membrane, a sealing ring and a net need to be supported and pressed into a whole during sampling, and the whole is weighed after sampling. Present film pressing device is mostly manual film pressing device, realizes the film pressing process through manual rotatory pressure head during the film pressing, complex operation in the operation, and the film pressing is inefficiency, and the defective rate is also higher. Also there is automatic film pressing device in the market, however its structure is mostly rotary motion and turns into straight reciprocating motion, and its drive mechanism part is many, and size precision requires highly, and energy loss is huge among the motion conversion process, causes the very high load to the motor, often appears card machine, motor damage during the film pressing, consumes electrical big scheduling problem. The problems of low product service life, poor experience feeling and the like of the automatic film pressing machine in the prior art are always suffered by consumers.
Therefore, a filter membrane pressing device for a smoke and dust sampling head, which has high reliability, long service life and low energy consumption, is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a smoke and dust filter membrane compression fittings for flue gas sampling head that the reliability is high, long service life, power consumption are low.
In order to realize the purpose, the utility model provides a technical scheme does: the utility model provides a filter membrane compression fittings for smoke and dust flue gas sampling head, includes: the device comprises a rack, a driving module and a pressing module, wherein the driving module and the pressing module are installed by taking the rack as an installation carrier;
the drive module includes: the driving component drives the transmission piece to reciprocate in the vertical direction;
the pressfitting module quantity is a plurality of, and is a plurality of the pressfitting module is circular around a centre of a circle and lays, every the pressfitting module includes: an inclined guide post, a slide block platform, a slide block and a pressing tooth, wherein the lower end of the inclined guide post is arranged on the transmission part, the slide block is arranged on the slide block platform in a sliding way, and the sliding block platform is provided with a through groove, the sliding block is internally provided with a chute for the inclined guide post to pass through, the upper end of the inclined guide post passes through the through groove from the bottom of the sliding block platform to enter the inclined groove, when the transmission piece moves in the vertical direction, the inclined guide post is driven to move upwards or downwards in an inclined way, the inclined guide post drives the slide block to move horizontally through the inclined groove, the front end of the sliding block is obliquely matched with the rear end of the pressing tooth, the bottom of the pressing tooth is provided with a round shaft, when the sliding block moves forwards horizontally, the rear end of the pressing tooth is pushed forwards and pressed downwards by the sliding block, moves forwards and simultaneously performs pressing action around the circular shaft in a rotating motion trend; when the sliding block moves backwards horizontally, the rear end of the pressing tooth moves backwards under the pulling force of the sliding block and simultaneously loosens around the circular shaft in a reverse direction of rotation.
The rack comprises a bottom plate, a plurality of guide posts and an upper cover, wherein the guide posts are uniformly arranged between the bottom plate and the upper cover.
The driving part is of a circular ring-shaped structure, the driving component is connected with the center of the driving part, round holes allowing the guide pillars to penetrate through are uniformly formed in the driving part, the driving part is sleeved on the guide pillars through the round holes and driven by the driving component to reciprocate in the vertical direction, and the inclined guide pillars are uniformly arranged on the driving part.
The sliding block platform is provided with a through groove, a flange is arranged on the periphery of the through groove, the flange forms a first sliding groove for the sliding of the sliding block, the front end of the first sliding groove is provided with an inclined surface structure inclining downwards, when the sliding block moves forwards horizontally, the rear end of the pressing tooth moves forwards under the thrust of the sliding block, and when the circular shaft moves forwards to the inclined surface structure, the pressing tooth moves forwards in a rotating motion trend around the circular shaft due to the fact that the horizontal position of the pressing tooth continuously descends; when the sliding block moves backwards horizontally, the rear end of the pressing tooth moves backwards under the pulling force of the sliding block, the circular shaft is initially positioned on the inclined surface structure, and the pressing tooth moves around the circular shaft in a reverse direction rotating motion trend to perform loosening action due to the fact that the horizontal position of the pressing tooth continuously rises.
The front end of the sliding block is provided with an inclined second sliding groove, the rear end of the pressing tooth is provided with an inclined sliding rail matched with the second sliding groove, and the sliding rail is clamped in the second sliding groove in a sliding mode.
The inner diameter of the second sliding groove is slightly larger than the outer diameter of the sliding rail, and when the sliding rail is clamped in the second sliding groove in a sliding mode, a virtual position is formed between the sliding rail and the second sliding groove.
Still include the press mold base, press mold base upper edge is equipped with a plurality of spacing grooves that are used for the restriction pressfitting tooth motion trail.
Still include pressfitting control system, control system includes:
the film pressing base is provided with a plurality of trigger switch modules, each trigger switch module is provided with a contact, a circular hole is formed in the film pressing base corresponding to the contact, and the contacts are arranged on the upper surface of the film pressing base in a protruding mode from the circular holes;
the travel switch comprises a trigger and a receiver, the trigger is arranged on the transmission piece, the receiver is connected to the lower surface of the sliding block platform, and the trigger and the receiver are matched and used for controlling the travel of the transmission piece;
the trigger switch module and the travel switch are connected with the control circuit, and the control circuit receives information sent by the trigger switch module and the travel switch and controls the starting or stopping of the driving assembly.
The connecting piece is characterized by further comprising an inclined guide pillar fixing plate, the inclined guide pillar fixing plate is annular, and the inclined guide pillar fixing plate is used for pressing the inclined guide pillar on the connecting piece.
The sliding block platform is characterized by further comprising a sliding block pressing plate, wherein the sliding block pressing plate is used for pressing the sliding block on the sliding block platform, and the sliding block is prevented from displacing in the vertical direction.
Compared with the prior art, because the utility model discloses among the filter membrane compression fittings for smoke and dust flue gas sampling head, pressfitting module quantity is a plurality of, and a plurality of the pressfitting module is circular laying, every around a centre of a circle the pressfitting module includes: an inclined guide post, a slide block platform, a slide block and a pressing tooth, wherein the lower end of the inclined guide post is arranged on the transmission part, the slide block is arranged on the slide block platform in a sliding way, and the sliding block platform is provided with a through groove, the sliding block is internally provided with a chute for the inclined guide post to pass through, the upper end of the inclined guide post passes through the through groove from the bottom of the sliding block platform to enter the inclined groove, when the transmission piece moves in the vertical direction, the inclined guide post is driven to move upwards or downwards in an inclined way, the inclined guide post drives the slide block to move horizontally through the inclined groove, the front end of the sliding block is obliquely matched with the rear end of the pressing tooth, the bottom of the pressing tooth is provided with a round shaft, when the sliding block moves forwards horizontally, the rear end of the pressing tooth is pushed by the sliding block and pressed downwards, moves forwards and simultaneously performs pressing action around the circular shaft in a rotating motion trend; when the sliding block moves backwards horizontally, the rear end of the pressing tooth moves backwards under the pulling force of the sliding block and simultaneously loosens around the circular shaft in a reverse direction of rotation. Therefore, when the pressing teeth move forwards horizontally, the pressing teeth can rotate around the circular shaft to perform pressing action, so that the pressing effect is greatly improved, the defective rate of filter membrane pressing is greatly reduced, the sampling cost is saved, and the sampling efficiency is improved.
The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.
Drawings
Fig. 1 is a schematic view of an embodiment of a filter membrane pressing device for a smoke and dust sampling head of the present invention.
Fig. 2 is a cross-sectional view of the filter membrane pressing device for the smoke and dust sampling head shown in fig. 1.
Fig. 3 is an exploded view of the filter membrane pressing device for the smoke and dust sampling head shown in fig. 1.
Fig. 4a is a view showing a state of the filter membrane pressing device for the smoke and fume sampling head shown in fig. 1.
Fig. 4b is a view showing another state of the filter membrane pressing device for the smoke and fume sampling head shown in fig. 1.
Fig. 4c is a view showing another state of the filter membrane pressing device for the smoke and dust sampling head shown in fig. 1.
Detailed Description
Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements throughout. As above, refer to fig. 1 to 3, an embodiment of the present invention provides a filter membrane compression fittings 100 for smoke and dust flue gas sampling head, include: the device comprises a rack 1, a driving module 2 and a pressing module 3, wherein the driving module 2 and the pressing module 3 are installed by taking the rack 1 as an installation carrier; as shown in fig. 2, the driving module 2 and the pressing module 3 are installed inside the rack 1, the driving module 2 is located below and the pressing module 3 is located above.
Referring to fig. 2 and 3, the driving module 2 includes: the driving component 21 drives the transmission piece 22 to reciprocate in the vertical direction;
referring to fig. 3, the number of the pressing modules 3 is plural, and the plural pressing modules 3 are circularly arranged around a circle center, it should be noted that the circle center is a central point where a filter membrane needs to be placed, and each pressing module 3 includes: an inclined guide post 31, a slider platform 32, a slider 33 and press-fit teeth 34, wherein the lower end of the inclined guide post 31 is disposed on the transmission member 22, the slider 33 is slidably disposed on the slider platform 32, and the slider platform 32 is provided with a plurality of through slots 321, referring to fig. 2 and 3, since the number of the slider platforms 32 is plural, and each slider platform 32 is provided with one through slot 321, the number of the through slots 321 is plural, and the through slots are all circularly arranged around the center of a circle, a chute 331 for the inclined guide post 31 to pass through is disposed in the slider 33, the upper end of the inclined guide post 31 passes through the through slot 321 from the bottom of the slider platform 32 to enter the chute 331, when the transmission member 22 moves vertically, the inclined guide post 31 is driven to tilt up or down, and the slider 33 is driven to move horizontally by the inclined guide post 31 through the chute 331, the front end of the sliding block 33 is in inclined fit with the rear end of the pressing tooth 34 (hereinafter, the "inclined fit" is explained), a circular shaft 341 is arranged at the bottom of the pressing tooth 34, and when the sliding block 33 moves forwards horizontally, the rear end of the pressing tooth 34 moves forwards and presses around the circular shaft 341 in a rotating motion trend when being subjected to forward thrust and downward pressure of the sliding block 33; when the sliding block 33 moves horizontally backwards, the rear end of the pressing tooth 34 moves backwards under the pulling force of the sliding block 33, and simultaneously performs a loosening action around the circular shaft 341 in a direction opposite to the rotating movement trend. It should be noted that, as mentioned above, the term "front end" refers to an end relatively close to the center of the circle, the term "rear end" refers to an end relatively far away from the center of the circle, and the terms "forward" and "backward" refer to a direction relatively close to the center of the circle and a direction relatively far away from the center of the circle, respectively.
It should be noted that, with reference to fig. 3, assuming that the vertical direction is taken as a reference line, in the above: the inclined guide post 31 and the chute 331 are both arranged with the upper end inclined to the outside relative to the lower end, when the inclined guide post 31 moves obliquely upwards, the inclined guide post 31 will generate a thrust force to the inner wall of the chute 331 moving towards the direction close to the circle center, so that the slide block 33 moves towards the direction close to the circle center relative to the slide block platform 32; similarly, when the inclined guide post 31 moves obliquely downward, the inclined guide post 31 will generate a pushing force to the inner wall of the inclined groove 331 moving away from the center of the circle, so that the sliding block 33 moves away from the center of the circle relative to the sliding block platform 32.
The tilt guide column 31 is determined by the initial setting of the tilt guide column 31 regardless of whether the tilt guide column 31 is moved obliquely upward or obliquely downward, and the tilt guide column 31 is set such that the upper end is inclined outward with respect to the lower end.
It should be noted that, with reference to fig. 3, assuming that the vertical direction is taken as a reference line, in the above: the front end of the sliding block 33 is obliquely matched with the rear end of the pressing tooth 34, specifically, the upper part of the front end of the sliding block 33 is obliquely arranged relative to the inner side of the lower part, and the upper part of the rear end of the pressing tooth 34 is obliquely arranged relative to the inner side of the lower part, so that a structure with a complementary shape is formed, so that when the sliding block 33 slides towards the direction close to the circle center, on one hand, the pressing tooth 34 is pushed to move towards the direction close to the circle center, in addition, a downward pressure is generated on the pressing tooth 34, and the pressing tooth 34 moves forwards and simultaneously performs a pressing action around the circular shaft 341 in a rotating motion trend. The sliding block 33 and the pressing teeth 34 are interlocked, when the sliding block 33 slides away from the center of the circle, on one hand, the pressing teeth 34 are pulled to move away from the center of the circle, and on the other hand, an upward pulling force is generated on the pressing teeth 34, so that the pressing teeth 34 move backward and simultaneously loosen in a rotating motion trend around the circular shaft 341.
Referring to fig. 2 and 3, the frame 1 includes a bottom plate 11, a plurality of guide pillars 12, and an upper cover 13, the number of the guide pillars 12 is plural, and the plurality of guide pillars 12 are uniformly installed between the bottom plate 11 and the upper cover 13. The base 11 is used for installing the driving module 2, the guide posts 12 are uniformly arranged between the bottom plate 11 and the upper cover 13, and are used for connecting the base 11 and the upper cover 13 into a whole, and the driving module 2 and the pressing module 3 are arranged in a space formed by the bottom plate 11, the plurality of guide posts 12 and the upper cover 13.
Referring to fig. 2 and 3, the transmission member 22 is of a circular ring structure, the driving component 21 is connected to the center of the transmission member 22, the transmission member 22 is further uniformly provided with a circular hole for the guide post 12 to pass through, the transmission member 22 is sleeved on the guide post 12 through the circular hole and performs reciprocating motion in the vertical direction under the driving of the driving component 21, and the inclined guide posts 31 are uniformly installed on the transmission member 22. In this embodiment, the driving assembly 21 is configured to be a circular ring structure, and the transmission member 22 is sleeved on the guide pillars 12 through the circular hole, so when the driving assembly 21 drives the transmission member 22, the transmission member 22 can smoothly reciprocate in the vertical direction, and at the same time, since the inclined guide pillars 31 are uniformly installed on the transmission member 22, the driving force from the driving assembly 21 can be uniformly distributed on each inclined guide pillar 31.
Referring to fig. 2 and 3, the sliding block platform 32 is provided with a through slot 321, and a flange is provided at the periphery of the through slot 321, the flange forms a first sliding slot 322 for the sliding block 33 to slide, the first sliding slot 322 is a horizontal sliding slot, and the front end of the first sliding slot 322 is provided with an inclined plane structure 323 that inclines downwards, it should be noted that, the inclined plane structure 323 that inclines downwards is relative to the horizontal position of other parts of the first sliding slot 322, other parts of the first sliding slot 322 are horizontal, a small segment of the structure near the circle center position has a gradually descending trend in horizontal position, that is, the inclined plane structure 323 that inclines downwards is formed, when the sliding block 33 moves forwards horizontally, the rear end of the pressing tooth 34 moves forwards under the pushing force of the sliding block 33, and when the sliding block 33 generates a forward pushing force on the pressing tooth 34 and also generates a downward pressure, when the circular shaft 341 moves forward to the inclined plane structure 323, the horizontal position of the pressing tooth 34 continuously drops to perform a pressing action in a rotating motion trend around the circular shaft 341, and it should be further noted that the magnitude of the pressing action is determined by the magnitude of the inclination angle of the inclined plane structure 323; when the sliding block 33 moves horizontally backwards, the rear end of the pressing tooth 34 moves backwards under the pulling force of the sliding block 33, the circular shaft 341 is initially located on the inclined plane structure 323, and the pressing tooth 34 moves around the circular shaft 341 in a reverse direction to rotate due to the continuous rising of the horizontal position of the pressing tooth.
Referring to fig. 3, an inclined second sliding groove 332 is formed at the front end of the sliding block 33, an inclined sliding rail 342 matched with the second sliding groove 332 is formed at the rear end of the pressing tooth 34, and the sliding rail 342 is slidably engaged with the second sliding groove 332. It should be noted that the slide rail 342 is embedded in the second sliding groove 332 to realize the linkage between the sliding block 33 and the pressing tooth 34, and when the sliding block 33 moves horizontally backwards, a backward pulling force can be generated on the pressing tooth 34, so that the pressing tooth 34 can move backwards under the pulling force of the sliding block 33, and the circular shaft 341 can generate a reverse rotation tendency to perform a loosening action.
In one embodiment, referring to fig. 3, an inner diameter of the second sliding groove 332 is slightly larger than an outer diameter of the sliding rail 342, when the sliding rail 342 is slidably engaged with the second sliding groove 332, a slight virtual position exists between the sliding rail 342 and the second sliding groove 332, and since the inner diameter of the second sliding groove 332 is designed to be slightly larger than the outer diameter of the sliding rail 342, a loose fit is achieved when the pressing teeth 34 are engaged with the slider 33, and the pressing teeth 34 can rotate at an angle relative to the slider 33.
In one embodiment, referring to fig. 3, the lamination device further includes a lamination base 4, and a plurality of limiting grooves 41 for limiting the movement track of the pressing teeth 34 are formed on the upper edge of the lamination base 4. The pressing teeth 34 are limited by the limiting grooves 41, so that the movement track of the pressing teeth 34 is more standard and standard, the movement track of the pressing teeth 34 is prevented from shifting, and the smooth operation of pressing the filter membrane is ensured. The limiting groove 41 is formed by bosses 42 at two ends of the limiting groove 41, and the bosses 42 and the film pressing base 4 are of an integrally formed structure.
In one embodiment, referring to fig. 3, a stitching control system is further included, the control system comprising:
the number of the trigger switch modules 5 is three, each trigger switch module 5 is provided with a contact 51, a circular hole 43 is formed in the film pressing base 4 corresponding to the contact 51, and the contact 51 is arranged on the upper surface of the film pressing base 4 in a protruding manner from the circular hole 43; when the filter membrane and the bracket are placed in the film pressing base 4, the filter membrane and the bracket must be pressed to the three contacts 51, and the contact switch module 5 considers that the filter membrane and the bracket are already placed in place, so that film pressing can be performed.
A travel switch 6, wherein the travel switch 6 comprises a trigger 61 and a receiver 62, the trigger 61 is installed on the transmission member 22, the receiver 62 is connected to the lower surface of the slider platform 32, and the trigger 61 and the receiver 62 are matched for controlling the travel amount of the transmission member 22;
the trigger switch module 5 and the travel switch 6 are connected with the control circuit 7, and the control circuit 7 receives the information sent by the trigger switch module 5 and the travel switch 6 and controls the start or stop of the driving component 21.
Referring to fig. 3, the connector further includes an inclined guide pillar fixing plate 8, the inclined guide pillar fixing plate 8 is annular, and the inclined guide pillar fixing plate 8 is used for pressing the inclined guide pillar 31 on the connecting piece 22. The inclined guide post fixing plate 8 can facilitate the installation and the disassembly of the inclined guide post 31.
In one embodiment, referring to fig. 2 and 3, the device further comprises a slider pressing plate 9, wherein the slider pressing plate 9 is used for pressing the slider 33 on the slider platform 32 to prevent the slider 33 from being displaced in the vertical direction. Since a vertical pushing force is generated to the slider platform 32 when the angle beam 31 moves obliquely upward, the slider 33 is displaced in the vertical direction if the slider pressing plate 9 is not provided.
The following description discloses the utility model discloses filter membrane compression fittings 100's for smoke and dust flue gas sampling head working process:
referring to fig. 4a, fig. 4a shows that the device is initialized and ready to enter a working state, the inclined guide post is located at the lowest position, the inclined guide post is located at the lower end of the inclined groove, the sliding block and the pressing teeth are located at the rear end of the first sliding groove, and then the filter membrane and the bracket can enter a pressing state if being placed in the sliding groove;
referring to fig. 4b, a filter membrane and a bracket are placed, the device is in a pressing state, the inclined guide post moves upwards in an inclined manner, enters the inclined groove to drive the sliding block and the pressing tooth to move towards the direction close to the circle center, and the circular shaft is located at the horizontal part of the first sliding groove and slides towards the direction of the circle center to enter the inclined plane structure;
referring to fig. 4c, fig. 4c shows a state that the pressing of the apparatus is completed, at this time, the inclined guide post completely enters the inclined groove, the sliding block and the pressing tooth are located at a position closest to the center of the circle, and at this time, the circular shaft enters the inclined plane structure, so that the pressing operation is completed.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (10)
1. The utility model provides a smoke and dust filter membrane compression fittings for flue gas sampling head which characterized in that includes: the device comprises a rack, a driving module and a pressing module, wherein the driving module and the pressing module are installed by taking the rack as an installation carrier;
the drive module includes: the driving component drives the transmission piece to reciprocate in the vertical direction;
the pressfitting module quantity is a plurality of, and is a plurality of the pressfitting module is circular around a centre of a circle and lays, every the pressfitting module includes: an inclined guide post, a slide block platform, a slide block and a pressing tooth, wherein the lower end of the inclined guide post is arranged on the transmission part, the slide block is arranged on the slide block platform in a sliding way, and the sliding block platform is provided with a through groove, the sliding block is internally provided with a chute for the inclined guide post to pass through, the upper end of the inclined guide post passes through the through groove from the bottom of the sliding block platform to enter the inclined groove, when the transmission piece moves in the vertical direction, the inclined guide post is driven to move upwards or downwards in an inclined way, the inclined guide post drives the slide block to move horizontally through the inclined groove, the front end of the sliding block is obliquely matched with the rear end of the pressing tooth, the bottom of the pressing tooth is provided with a round shaft, when the sliding block moves forwards horizontally, the rear end of the pressing tooth is pushed forwards and pressed downwards by the sliding block, moves forwards and simultaneously performs pressing action around the circular shaft in a rotating motion trend; when the sliding block moves backwards horizontally, the rear end of the pressing tooth moves backwards under the pulling force of the sliding block and simultaneously loosens around the circular shaft in a reverse direction of rotation.
2. The filter membrane pressing device for the smoke and dust sampling head as recited in claim 1, wherein said frame comprises a bottom plate, a plurality of guide posts and an upper cover, said plurality of guide posts are uniformly arranged between said bottom plate and said upper cover.
3. The filter membrane pressing device for a smoke and dust sampling head as claimed in claim 2, wherein said driving member is of a circular ring structure, said driving member is connected to the center of said driving member, said driving member is further uniformly provided with a circular hole for said guide post to pass through, said driving member is sleeved on said guide post through said circular hole and driven by said driving member to reciprocate vertically, and said inclined guide posts are uniformly mounted on said driving member.
4. The filter membrane pressing device for the smoke and dust sampling head as recited in claim 1, wherein the sliding block platform is provided with a through slot, a flange is arranged on the periphery of the through slot, the flange forms a first sliding slot for the sliding of the sliding block, the front end of the first sliding slot is provided with an inclined plane structure inclining downwards, when the sliding block moves forwards horizontally, the rear end of the pressing tooth moves forwards under the thrust of the sliding block, and when the circular shaft moves forwards to the inclined plane structure, the pressing tooth performs pressing action in a rotating motion trend around the circular shaft due to the fact that the horizontal position of the pressing tooth continuously descends; when the sliding block moves backwards horizontally, the rear end of the pressing tooth moves backwards under the pulling force of the sliding block, the circular shaft is initially positioned on the inclined surface structure, and the pressing tooth moves around the circular shaft in a reverse direction rotating motion trend to perform loosening action due to the fact that the horizontal position of the pressing tooth continuously rises.
5. The filter membrane pressing device for the smoke and dust sampling head as recited in claim 4, wherein an inclined second sliding groove is formed at the front end of the sliding block, an inclined sliding rail matched with the second sliding groove is arranged at the rear end of the pressing tooth, and the sliding rail is slidably engaged in the second sliding groove.
6. The filter membrane pressing device for the smoke and dust sampling head as recited in claim 5, wherein an inner diameter of said second sliding groove is slightly larger than an outer diameter of said sliding rail, and when said sliding rail is slidably engaged with said second sliding groove, a slight virtual position exists between said sliding rail and said second sliding groove.
7. The filter membrane pressing device for the smoke and dust sampling head as recited in claim 1, further comprising a film pressing base, wherein a plurality of limiting grooves for limiting the movement track of the pressing teeth are arranged on the upper edge of the film pressing base.
8. The filter membrane pressing device for the smoke and dust smoke sampling head as recited in claim 7, further comprising a pressing control system, said control system comprising:
the film pressing base is provided with a plurality of trigger switch modules, each trigger switch module is provided with a contact, a circular hole is formed in the film pressing base corresponding to the contact, and the contacts are arranged on the upper surface of the film pressing base in a protruding mode from the circular holes;
the travel switch comprises a trigger and a receiver, the trigger is arranged on the transmission piece, the receiver is connected to the lower surface of the sliding block platform, and the trigger and the receiver are matched and used for controlling the travel of the transmission piece;
the trigger switch module and the travel switch are connected with the control circuit, and the control circuit receives information sent by the trigger switch module and the travel switch and controls the starting or stopping of the driving assembly.
9. The filter membrane pressing device for the smoke and dust sampling head as claimed in claim 3, further comprising an inclined guide post fixing plate, wherein the inclined guide post fixing plate is annular, and the inclined guide post fixing plate is used for pressing the inclined guide post on the connecting piece.
10. The filter membrane pressing device for the smoke and dust sampling head as recited in claim 1, further comprising a slide block pressing plate, wherein the slide block pressing plate is used for pressing the slide block on the slide block platform to prevent the slide block from displacing in a vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921079363.3U CN211486858U (en) | 2019-07-10 | 2019-07-10 | Filter membrane pressing device for smoke dust and smoke sampling head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921079363.3U CN211486858U (en) | 2019-07-10 | 2019-07-10 | Filter membrane pressing device for smoke dust and smoke sampling head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211486858U true CN211486858U (en) | 2020-09-15 |
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ID=72394144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921079363.3U Active CN211486858U (en) | 2019-07-10 | 2019-07-10 | Filter membrane pressing device for smoke dust and smoke sampling head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211486858U (en) |
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2019
- 2019-07-10 CN CN201921079363.3U patent/CN211486858U/en active Active
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Address after: No.757, dixiu Road, Binjiang Economic Development Zone, Jiangning District, Nanjing City, Jiangsu Province, 211161 Patentee after: Jiangsu Guoji Intelligent Technology Co.,Ltd. Address before: 518000 4th floor, building B, Taohuayuan science and Technology Innovation Park, Tiegang community, Xixiang street, Bao'an District, Shenzhen, Guangdong Patentee before: Shenzhen National Technology Environmental Protection Technology Co.,Ltd. |