CN112847240B - Pulling device for clamping telescopic structure in simple door - Google Patents
Pulling device for clamping telescopic structure in simple door Download PDFInfo
- Publication number
- CN112847240B CN112847240B CN202110097173.XA CN202110097173A CN112847240B CN 112847240 B CN112847240 B CN 112847240B CN 202110097173 A CN202110097173 A CN 202110097173A CN 112847240 B CN112847240 B CN 112847240B
- Authority
- CN
- China
- Prior art keywords
- telescopic
- block
- rod
- spring
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 52
- 238000003825 pressing Methods 0.000 claims description 73
- 238000009434 installation Methods 0.000 claims description 36
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention belongs to the technical field of telescopic structures, and particularly relates to a pulling device for a clamping telescopic structure in a simple door, which comprises pulling modules, telescopic rods and transmission support lugs, wherein the two pulling modules are arranged at two ends of the telescopic structure; when the telescopic structure is pulled open, after the two pulling modules clamp and fix the two ends of the telescopic structure, the two telescopic inner rods are simultaneously rotated, so that the two telescopic inner rods slide relative to the transmission support lugs under the action of the threads of the transmission support lugs with internal threads, the telescopic inner rods can extrude corresponding first springs when sliding, the first springs extrude corresponding telescopic outer sleeves, and the telescopic outer sleeves are rotatably arranged on the corresponding transmission support lugs, so that the two transmission support lugs in the same group can bear the propping force towards the two sides to pull open the telescopic structure.
Description
Technical Field
The invention belongs to the technical field of telescopic structures, and particularly relates to a pulling device for a clamping telescopic structure in a simple door.
Background
In the design of simple doors such as a community anti-theft door, a face brushing door and the like, a telescopic frame structure is commonly used to adapt to entrances and exits with different widths, and in the using and opening process, the condition that entering vehicles such as three wheels and the like impact a subframe to enter a main frame often occurs; at the moment, the auxiliary frame needs to be pulled out of the main frame during maintenance, but the auxiliary frame is difficult to pull out only by manpower because of overlarge impact force, and the conventional treatment mode is knocking, but the knocking can damage glass on the main frame or a rotating shaft of the main frame and a power system, so that the impact force cannot be large.
The invention designs a pulling device aiming at a clamping telescopic structure in a simple door to solve the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a pulling device for a clamping telescopic structure in a simple door, which is realized by adopting the following technical scheme.
A pulling device aiming at a clamping telescopic structure in a simple door comprises pulling modules, telescopic rods and transmission support lugs, wherein the two pulling modules are arranged at two ends of the telescopic structure; the pulling-open module consists of a mounting frame and four clamping units which are uniformly arranged on the mounting frame in the circumferential direction; the mounting frame is a square frame structure consisting of two L-shaped frame plates; one ends of the two frame plates are hinged with each other, the other ends of the two frame plates are respectively fixedly provided with a semicircular screw rod, and the two semicircular screw rods form a complete screw rod and are connected through a fixed threaded sleeve; two transmission lugs are symmetrically arranged on the two frame plates.
The four transmission lugs in the two pulling-open modules correspond to each other in a group, a telescopic rod capable of transmitting rotating force is respectively arranged between the two transmission lugs in the same group, and a first spring is arranged in the telescopic rod; one end of the telescopic rod is in rotating fit with one of the two corresponding transmission support lugs, and the other end of the telescopic rod is in threaded fit with the other of the two corresponding transmission support lugs.
The clamping unit comprises a pressing block, a connecting rod, an adjusting block, a first adjusting screw, a second adjusting screw, a pressing slider and a third spring, wherein the first adjusting screw is installed on a frame plate corresponding to the installation frame in a threaded fit mode, the pressing block is provided with an inclined surface, the pressing block is installed at one end, close to the telescopic structure, of the first adjusting screw, and the first adjusting screw is rotatably connected with the pressing block; the adjusting block is provided with an inclined plane, the adjusting block is arranged on one side, close to the telescopic structure, of the pressing block through two connecting rods which are symmetrically distributed, and the inclined plane on the adjusting block is in extrusion fit with the inclined plane on the pressing block; the two connecting rods are in transverse sliding fit with the pressing block, and the two connecting rods are in longitudinal sliding fit with the adjusting block; the adjusting block is in extrusion fit with the telescopic structure; the pressing sliding block is longitudinally slidably mounted on one side of the adjusting block, the second adjusting screw rod is mounted on the pressing block in a threaded fit mode, and a third spring is mounted between the second adjusting screw rod and the pressing sliding block.
As a further improvement of the technology, the inner circular surfaces of the round holes of two of the four transmission lugs are provided with internal threads; the telescopic rod comprises a telescopic outer sleeve, a telescopic inner rod and a first spring, wherein one end of the telescopic outer sleeve is fixedly provided with a rotary guide ring, and the telescopic outer sleeve is rotatably arranged on the corresponding transmission support lug through the rotary guide ring; the inner circle surface of the telescopic outer sleeve is symmetrically provided with two guide grooves, one end of the telescopic inner rod is provided with an external thread, the other end of the telescopic inner rod is symmetrically provided with two guide blocks, and one end of the telescopic inner rod, which is provided with the guide blocks, is arranged in the telescopic outer sleeve through the sliding fit of the two guide blocks and the two guide grooves; the other end of the telescopic inner rod is arranged on the corresponding transmission support lug with the internal thread in a matching way through the thread.
As a further improvement of the technology, two first threaded sleeves are mounted on the two frame plates of the mounting frame; four first adjusting screws in the corresponding four clamping units are installed on the installation frame through matching with the threads of the corresponding first threaded sleeves.
As a further improvement of the technology, a second threaded sleeve is fixedly installed at one end of the pressing block, and eight second threaded rods in the two pull-open modules are installed on the corresponding pressing block through matching with the threads of the corresponding second threaded sleeve; and one end of the second threaded rod is rotatably provided with a guide rod, and one end of the guide rod, which is far away from the second threaded rod, is slidably arranged on the corresponding pressing sliding block.
As a further improvement of the technology, the adjusting block is provided with a third T-shaped guide groove for longitudinally and slidably mounting a corresponding tightening slide block; go up to open on the slider and have the spout that supplies to correspond guide bar slidable mounting, the one end of second adjusting screw is opened has the swivelling chute that supplies to correspond the rotatory installation of guide bar, the one end fixed mounting of guide bar has rotatory piece, other end fixed mounting has the sliding block, the sliding fit that the sliding block was passed through with the spout is installed on last slider to the one end of guide bar, the other end of guide bar is through rotatory piece and the cooperation rotation of swivelling chute and is installed on second adjusting screw, the last scale that has of second adjusting screw.
As a further improvement of the technology, one end of the pressing block is provided with an installation groove, the sliding rod is provided with an installation ring, the sliding rod is installed on the pressing block through the sliding fit of the installation ring and the installation groove, and a second spring is installed between the installation ring and the installation groove; the slide bar is provided with a scale.
As a further improvement of the technology, a transmission shell is fixedly installed on the pressing block, and one end of the first adjusting screw is rotatably connected with the corresponding pressing block through the transmission shell.
As a further improvement of the technology, two first T-shaped guide grooves are symmetrically formed in the two sides of the pressing block in the longitudinal direction, two second T-shaped guide grooves are symmetrically formed in the two sides of the adjusting block in the transverse direction, two T-shaped guide blocks are installed at the two ends of the connecting rod, and the two connecting rods are in sliding fit with the first T-shaped guide grooves in the pressing block and the second T-shaped guide grooves in the adjusting block through the T-shaped guide blocks at the two ends.
As a further improvement of the technology, the guide rod is provided with a mounting disc, one end of the third spring is fixedly mounted on the corresponding pressing sliding block, and the other end of the third spring is fixedly mounted on the corresponding mounting disc.
As a further improvement of this technique, the third spring is a compression spring, the second spring is an extension spring, and the first spring is a compression spring.
Compared with the traditional telescopic structure technology, the design of the invention has the following beneficial effects:
1. according to the invention, after the press block and the telescopic structure are installed, namely the position of the press block is determined, the second adjusting screw rod is manually rotated to drive the adjusting block to slide, the inclined surface on the adjusting block is contacted and extruded with the inclined surface on the press block, and the degree of the second adjusting screw rod rotating and advancing is determined according to the scales on the second adjusting screw rod and past experience, so that the telescopic structure is not scratched when the adjusting block compresses the telescopic structure.
2. When the telescopic structure is pulled open, after the two pulling open modules clamp and fix the two ends of the telescopic structure, the two telescopic inner rods are simultaneously rotated, so that the two telescopic inner rods slide relative to the transmission support lugs under the action of the threads of the transmission support lugs with internal threads, the telescopic inner rods can extrude the corresponding first springs by sliding, the corresponding telescopic outer sleeves are extruded by the first springs, and the telescopic outer sleeves are rotatably arranged on the corresponding transmission support lugs, so that the two transmission support lugs in the same group can be subjected to the propping force towards the two sides to pull open the telescopic structure.
Drawings
Fig. 1 is an external view of an entire part.
Fig. 2 is a schematic view of the overall component distribution.
Fig. 3 is a schematic view of the telescopic rod structure.
Fig. 4 is a schematic drawing of a pull-apart module structure.
Fig. 5 is a schematic view of a mounting frame configuration.
Fig. 6 is a schematic view of the structure of the clamping unit.
FIG. 7 is a schematic view of a press block and a regulating block.
Fig. 8 is a structural schematic diagram of a second adjusting screw and a pressing slide block.
Number designation in the figures: 1. a telescopic structure; 2. pulling the module open; 3. a telescopic rod; 4. a telescopic outer sleeve; 5. a telescopic inner rod; 6. rotating the guide ring; 7. a transmission lug; 8. a first spring; 9. a mounting frame; 10. fixing the threaded sleeve; 11. a first threaded sleeve; 12. a frame plate; 13. a semicircular screw; 14. a first adjusting screw; 15. briquetting; 16. a connecting rod; 17. an adjusting block; 18. a second adjusting screw; 19. a second thread insert; 20. pressing the sliding block; 21. a mounting ring; 22. a second spring; 23. a slide bar; 24. a transmission case; 25. a first T-shaped guide groove; 26. mounting grooves; 27. a T-shaped guide block; 28. a second T-shaped guide groove; 29. a third T-shaped guide groove; 30. a chute; 31. a rotating tank; 32. a slider; 33. a third spring; 34. mounting a disc; 35. a guide bar; 36. rotating the block; 37. a guide groove; 38. a guide block; 39. a clamping unit.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the telescopic structure comprises two pull-open modules 2, a telescopic rod 3 and a transmission support lug 7, wherein the two pull-open modules 2 are arranged at two ends of the telescopic structure 1; as shown in fig. 4, the pull-out module 2 is composed of a mounting frame 9 and four clamping units 39 uniformly mounted on the mounting frame 9 in the circumferential direction; as shown in fig. 5, the mounting frame 9 is a square frame structure composed of two L-shaped frame plates 12; one ends of the two frame plates 12 are hinged with each other, the other ends of the two frame plates 12 are respectively and fixedly provided with a semicircular screw 13, and the two semicircular screw 13 form a complete screw and are connected through a fixed thread sleeve 10; two transmission lugs 7 are symmetrically arranged on the two frame plates 12. When the telescopic structure is used, the two ends of the telescopic structure 1 are clamped through the two pulling-open modules 2, and the two ends of the telescopic structure 1 are clamped and fixed. When the pull-open module 2 is installed, the fixed threaded sleeve 10 is firstly taken down, the installation frame 9 is opened, then the two ends of the installation frame 9 are wound around the telescopic structure 1 and are closed, so that the installation frame 9 and the four clamping units 39 installed on the installation frame 9 wrap the telescopic structure 1, finally the installation frame 9 after being recombined is fixed through the fixed threaded sleeve 10, and at the moment, the four clamping units 39 are just correspondingly matched with the four surfaces of the fixed end of the telescopic structure 1 one by one.
As shown in fig. 3, the four transmission support lugs 7 in the two pull-open modules 2 correspond to each other in pairs, and a telescopic rod 3 capable of transmitting a rotating force is respectively installed between the two transmission support lugs 7 in the same group, and a first spring 8 is arranged in the telescopic rod 3; one end of the telescopic rod 3 is in rotary fit with one transmission support lug 7 of the two corresponding transmission support lugs 7, and the other end of the telescopic rod 3 is in threaded fit with the other transmission support lug 7 of the two corresponding transmission support lugs 7.
As shown in fig. 6, the clamping unit 39 includes a pressing block 15, a connecting rod 16, an adjusting block 17, a first adjusting screw 14, a second adjusting screw 18, a pressing slider 20, and a third spring 33, wherein the first adjusting screw 14 is installed on the frame plate 12 corresponding to the installation frame 9 through a screw-thread fit, as shown in fig. 7, the pressing block 15 has an inclined surface, the pressing block 15 is installed at one end of the first adjusting screw 14 close to the telescopic structure 1, and the first adjusting screw 14 is rotatably connected with the pressing block 15; the adjusting block 17 is provided with an inclined plane, the adjusting block 17 is arranged on one side of the pressing block 15 close to the telescopic structure 1 through two connecting rods 16 which are symmetrically distributed, and the inclined plane on the adjusting block 17 is in extrusion fit with the inclined plane on the pressing block 15; the two connecting rods 16 are in transverse sliding fit with the pressing block 15, and the two connecting rods 16 are in longitudinal sliding fit with the adjusting block 17; the adjusting block 17 is in extrusion fit with the telescopic structure 1; the pressing slider 20 is longitudinally slidably mounted on one side of the adjusting block 17, as shown in fig. 6 and 8, the second adjusting screw 18 is mounted on the pressing block 15 through thread fit, and a third spring 33 is mounted between the second adjusting screw 18 and the pressing slider 20.
As shown in fig. 3, two of the four transmission lugs 7 have internal threads on the inner circular surface of the circular hole of the transmission lug 7; the telescopic rod 3 comprises a telescopic outer sleeve 4, a telescopic inner rod 5 and a first spring 8, wherein one end of the telescopic outer sleeve 4 is fixedly provided with a rotary guide ring 6, and the telescopic outer sleeve 4 is rotatably arranged on a corresponding transmission support lug 7 through the rotary guide ring 6; two guide grooves 37 are symmetrically formed in the inner circular surface of the telescopic outer sleeve 4, an external thread is formed at one end of the telescopic inner rod 5, two guide blocks 38 are symmetrically installed at the other end of the telescopic inner rod 5, and one end, provided with the guide blocks 38, of the telescopic inner rod 5 is installed in the telescopic outer sleeve 4 through the sliding fit of the two guide blocks 38 and the two guide grooves 37; the other end of the telescopic inner rod 5 is arranged on a corresponding transmission support lug 7 with internal threads in a matching way through threads.
As shown in fig. 5, two first threaded sleeves 11 are mounted on each of the two frame plates 12 of the mounting frame 9; the four first adjusting screws 14 in the corresponding four clamping units 39 are mounted on the mounting frame 9 by means of a screw-fit with the corresponding first threaded sleeves 11.
As shown in fig. 6, a second threaded sleeve 19 is fixedly installed at one end of the pressing block 15, and eight second threaded rods in the two pull-open modules 2 are installed on the corresponding pressing block 15 through the thread fit with the corresponding second threaded sleeve 19; one end of the second threaded rod is rotatably provided with a guide rod 35, and one end of the guide rod 35, which is far away from the second threaded rod, is slidably arranged on the corresponding pressing slider 20.
As shown in fig. 7, the adjusting block 17 is provided with a third T-shaped guide slot 29 for longitudinally slidably mounting a corresponding tightening slider; go up and open the spout 30 that has the confession to correspond guide bar 35 slidable mounting on the slider, the one end of second adjusting screw 18 is opened has the rotatory groove 31 that supplies to correspond guide bar 35 rotatable mounting, the one end fixed mounting of guide bar 35 has rotatory piece 36, other end fixed mounting has sliding block 32, the sliding fit that sliding block 32 and spout 30 were passed through to the one end of guide bar 35 is installed on tightening the slider, the other end of guide bar 35 is passed through rotatory piece 36 and rotatory groove 31's cooperation rotatable mounting on second adjusting screw 18, second adjusting screw 18 is last to have the scale. The sliding of the guide rod 35 is guided by the sliding fit of the sliding block 32 and the sliding slot 30, and the sliding rod 23 is prevented from being separated from the tightening sliding block; the rotation of the second adjusting screw 18 is prevented by the cooperation of the rotating block 36 and the rotating slot 31 to rotate the guiding rod 35, so that the third spring 33 mounted on the guiding rod 35 is twisted to affect the compression of the third spring 33 to compress the pressing slider 20.
The third T-shaped guide groove 29 is designed to ensure that the adjusting block 17 does not affect the pressing slide block 20 during the up-and-down sliding process.
As shown in fig. 7, one end of the pressing block 15 is provided with an installation groove 26, the sliding rod 23 is provided with an installation ring 21, the sliding rod 23 is installed on the pressing block 15 through the sliding fit of the installation ring 21 and the installation groove 26, and a second spring 22 is installed between the installation ring 21 and the installation groove 26; the slide bar 23 has a scale thereon.
The second spring 22 acts to return the corresponding slide bar 23.
As shown in fig. 7, a transmission housing 24 is fixedly mounted on the pressing block 15, and one end of the first adjusting screw 14 is rotatably connected to the corresponding pressing block 15 through the transmission housing 24. The transmission shell 24 is designed to prevent the first adjusting screw 14 from rotating and interfering with the static pressing block 15, and prevent the first adjusting screw 14 from driving the pressing block 15 to rotate in the adjusting process to affect normal use.
As shown in fig. 7, two first T-shaped guide grooves 25 are symmetrically formed in the two sides of the pressing block 15 in the longitudinal direction, two second T-shaped guide grooves 28 are symmetrically formed in the two sides of the adjusting block 17 in the transverse direction, two T-shaped guide blocks 27 are mounted at two ends of the connecting rod 16, and the two connecting rods 16 are slidably fitted with the first T-shaped guide grooves 25 on the pressing block 15 and the second T-shaped guide grooves 28 on the adjusting block 17 through the T-shaped guide blocks 27 at the two ends.
As shown in fig. 8, the guide rod 35 is provided with a mounting plate 34, one end of the third spring 33 is fixedly mounted on the corresponding pressing slider 20, and the other end of the third spring 33 is fixedly mounted on the corresponding mounting plate 34. The purpose of the mounting plate 34 is to provide a mounting platform for the third spring 33.
The third spring 33 is a compression spring, the second spring 22 is an extension spring, and the first spring 8 is a compression spring.
The friction force F1 between the adjusting block 17 and the telescopic structure 1 is equal to the vertical pressure F2 of the adjusting block 17 applied to the adjusting block 17 by the pressing block 15 and applied to the vertical telescopic structure 1, and is multiplied by the friction coefficient F between the adjusting block 17 and the telescopic structure 1; setting the included angle between the upper inclined surface of the adjusting block 17 and the corresponding surface of the adjusting structure to be a, the vertical pressure F2 of the vertical telescopic structure 1, which is applied to the adjusting block 17 by the pressing block 15, is equal to the thrust F3 between the adjusting block 17 and the inclined surface of the pressing block 15 divided by tangent a, that is, F3 is equal to F2 multiplied by tangent a; in order to ensure that the adjusting block 17 and the telescopic structure 1 do not slide relatively in the pulling process and abrade the surface of the telescopic structure 1, the thrust force F3 between the adjusting block 17 and the inclined plane of the pressing block 15 is smaller than the friction force F1 between the adjusting block 17 and the telescopic structure 1, namely F is larger than the tangent a; namely, under the condition of ensuring that F is larger than the tangent a, as long as the pressure block 15 is subjected to the force in the telescopic direction which is smaller than F3, the adjusting block 17 and the telescopic structure 1 do not have the phenomenon of skidding; when the force in the telescopic direction of the press block 15 is greater than F3, under the condition that the position of the adjusting block 17 relative to the telescopic structure 1 is not changed, the press block 15 drives the second adjusting screw 18 to move towards the adjusting block 17 and the third spring 33 is compressed, namely, the press block 15 is separated from the adjusting block 17, the adjusting block 17 does not have pressure and friction to the telescopic structure 1 any more, and finally, when the spreading force is greater than F3, under the condition that the adjusting block 17 does not slide relative to the telescopic structure 1, the pressure and friction to the telescopic structure 1 disappear, after the pressure and friction disappears, the adjusting block 17 starts to slip relative to the telescopic structure 1, and at the moment, the surface of the telescopic structure 1 cannot be damaged due to the absence of pressure due to the slip; before the telescopic structure is used, the maximum vertical pressure F2 borne by the shell of the telescopic structure 1 is empirically determined, and then the F3 determined by adjusting the second adjusting screw 18 is determined.
The specific working process is as follows: when the pulling device designed by the invention is used, the two ends of the telescopic structure 1 are clamped and fixed by the two pulling modules 2 when the device is used. When the pull-open module 2 is installed, the fixed threaded sleeve 10 is firstly taken down, the installation frame 9 is opened, then the two ends of the installation frame 9 are wound around the telescopic structure 1 and are closed, so that the installation frame 9 and the four clamping units 39 installed on the installation frame 9 wrap the telescopic structure 1, finally the installation frame 9 after being recombined is fixed through the fixed threaded sleeve 10, and at the moment, the four clamping units 39 are just correspondingly matched with the four surfaces of the fixed end of the telescopic structure 1 one by one.
After module 2 parcel installation will be pulled open on extending structure 1, at first manually rotate first adjusting screw 14, make first adjusting screw 14 push driving shell 24 under the effect of first swivel nut 11 and slide towards extending structure 1 one side, driving shell 24 slides and drives briquetting 15 and slide, briquetting 15 slides and drives slide bar 23 of installing on the slider and slide towards extending structure 1 one side, in slide bar 23 slip process, after slide bar 23 is close to extending structure 1's one end and extending structure 1 contact, extending structure 1 will extrude slide bar 23 and make slide bar 23 slide towards the one end of keeping away from extending structure 1, the outside roll-off of one end that sliding bar 23 was kept away from to extending structure 1, can judge briquetting 15 and extending structure 1 according to the scale on slide bar 23 this moment and form a definite working gap. After the press block 15 and the telescopic structure 1 are installed, the second adjusting screw 18 is rotated manually, the second adjusting screw 18 slides towards the adjusting block 17 under the action of the second threaded sleeve 19, the second adjusting screw 18 slides to drive the guide rod 35 to slide, the guide rod 35 slides to drive the mounting disc 34 to slide, the mounting disc 34 slides to extrude the third spring 33, the third spring 33 is pressed to extrude the pressing slider 20, the pressing slider 20 extrudes the adjusting block 17, so that the adjusting block 17 slides, the inclined surface on the adjusting block 17 is in contact with and extrudes the inclined surface on the press block 15, the degree of the rotation advance of the second adjusting screw 18 is determined according to the scale on the second adjusting screw 18 and the past experience, and the telescopic structure 1 is prevented from being scratched when the adjusting block 17 compresses the telescopic structure 1.
When pulling open extending structure 1, two both ends that pull open module 2 with extending structure 1 press from both sides tight fixed back, pole 5 in two flexible of rotation simultaneously, make two flexible poles 5 slide relative to transmission journal stirrup 7 under the screw thread effect that has internal screw thread transmission journal stirrup 7, pole 5 slides and will extrude the first spring 8 that corresponds in flexible, first spring 8 extrudees the flexible overcoat 4 that corresponds, install on the transmission journal stirrup 7 that corresponds because of flexible overcoat 4 is rotatory, so two transmission journal stirrups 7 in the same group will receive the power of strutting to both sides this moment, pull open extending structure 1, will take place the harmless slip of regulating block 17 and briquetting 15 when strutting the power too big.
Claims (10)
1. The utility model provides a device that pulls open to dead extending structure of card in simple door which characterized in that: the telescopic structure comprises pull-open modules, telescopic rods and transmission support lugs, wherein the two pull-open modules are arranged at two ends of the telescopic structure; the pulling module consists of a mounting frame and four clamping units which are uniformly arranged on the mounting frame in the circumferential direction; the mounting frame is a square frame structure consisting of two L-shaped frame plates; one ends of the two frame plates are hinged with each other, the other ends of the two frame plates are respectively and fixedly provided with a semicircular screw rod, and the two semicircular screw rods form a complete screw rod and are connected through a fixed thread sleeve; two transmission lugs are symmetrically arranged on the two frame plates;
the four transmission lugs in the two pulling-open modules correspond to each other in a group, a telescopic rod capable of transmitting rotating force is respectively arranged between the two transmission lugs in the same group, and a first spring is arranged in the telescopic rod; one end of the telescopic rod is in rotary fit with one of the two corresponding transmission lugs, and the other end of the telescopic rod is in threaded fit with the other of the two corresponding transmission lugs;
the clamping unit comprises a pressing block, a connecting rod, an adjusting block, a first adjusting screw, a second adjusting screw, a pressing slider and a third spring, wherein the first adjusting screw is installed on a frame plate corresponding to the installation frame in a threaded fit mode, the pressing block is provided with an inclined surface, the pressing block is installed at one end, close to the telescopic structure, of the first adjusting screw, and the first adjusting screw is rotatably connected with the pressing block; the adjusting block is provided with an inclined plane, the adjusting block is arranged on one side, close to the telescopic structure, of the pressing block through two symmetrically distributed connecting rods, and the inclined plane on the adjusting block is in extrusion fit with the inclined plane on the pressing block; the two connecting rods are in transverse sliding fit with the pressing block, and the two connecting rods are in longitudinal sliding fit with the adjusting block; the adjusting block is in extrusion fit with the telescopic structure; the pressing sliding block is longitudinally slidably mounted on one side of the adjusting block, the second adjusting screw is mounted on the pressing block through threaded fit, and a third spring is mounted between the second adjusting screw and the pressing sliding block.
2. A pulling apparatus for a deadlocked extension in a simple door as claimed in claim 1, wherein: the inner circular surfaces of the round holes of two of the four transmission support lugs are provided with internal threads; the telescopic rod comprises a telescopic outer sleeve, a telescopic inner rod and a first spring, wherein one end of the telescopic outer sleeve is fixedly provided with a rotary guide ring, and the telescopic outer sleeve is rotatably arranged on the corresponding transmission support lug through the rotary guide ring; the inner circle surface of the telescopic outer sleeve is symmetrically provided with two guide grooves, one end of the telescopic inner rod is provided with an external thread, the other end of the telescopic inner rod is symmetrically provided with two guide blocks, and one end of the telescopic inner rod, which is provided with the guide blocks, is arranged in the telescopic outer sleeve through the sliding fit of the two guide blocks and the two guide grooves; the other end of the telescopic inner rod is arranged on the corresponding transmission support lug with the internal thread in a matching way through the thread.
3. A pulling apparatus for a deadlocked extension in a simple door as claimed in claim 2, wherein: two first threaded sleeves are respectively arranged on the two frame plates of the mounting frame; four first adjusting screws in the corresponding four clamping units are installed on the installation frame through matching with the threads of the corresponding first threaded sleeves.
4. A pulling apparatus for a deadlocked extension in a simple door as claimed in claim 3, wherein: one end of each pressing block is fixedly provided with a second threaded sleeve, and eight second threaded rods in the two pull-open modules are arranged on the corresponding pressing blocks through matching with the threads of the corresponding second threaded sleeves; and one end of the second threaded rod is rotatably provided with a guide rod, and one end of the guide rod, which is far away from the second threaded rod, is slidably arranged on the corresponding pressing sliding block.
5. A pulling apparatus for a deadlocked extension in a simple door as claimed in claim 4, wherein: the adjusting block is provided with a third T-shaped guide groove for longitudinally sliding and installing a corresponding tightening sliding block; go up to open on the slider and have the spout that supplies to correspond guide bar slidable mounting, the one end of second adjusting screw is opened has the swivelling chute that supplies to correspond the rotatory installation of guide bar, the one end fixed mounting of guide bar has rotatory piece, other end fixed mounting has the sliding block, the sliding fit that the sliding block was passed through with the spout is installed on last slider to the one end of guide bar, the other end of guide bar is through rotatory piece and the cooperation rotation of swivelling chute and is installed on second adjusting screw, the last scale that has of second adjusting screw.
6. A pulling device for a deadlocked extension in a simple door as claimed in claim 5, wherein: one end of the pressing block is provided with an installation groove, the sliding rod is provided with an installation ring, the sliding rod is installed on the pressing block through the sliding fit of the installation ring and the installation groove, and a second spring is installed between the installation ring and the installation groove; the slide bar is provided with a scale.
7. A pulling apparatus for a seized telescopic structure in a simple door according to claim 6, characterized in that: the pressing block is fixedly provided with a transmission shell, and one end of the first adjusting screw rod is rotatably connected with the corresponding pressing block through the transmission shell.
8. A pulling apparatus for a deadlocked extension in a simple door as claimed in claim 7, wherein: the bilateral symmetry of briquetting vertically opens has two first T type guide slots, and the bilateral symmetry of regulating block transversely opens has two second T type guide slots, and two T type guide blocks are installed to the both ends of connecting rod, and two connecting rods pass through the T type guide block at both ends and the first T type guide slot on the briquetting and the second T type guide slot sliding fit on the regulating block.
9. A pulling apparatus for a deadlocked extension in a simple door as claimed in claim 8, wherein: the guide rod is provided with a mounting disc, one end of the third spring is fixedly mounted on the corresponding pressing sliding block, and the other end of the third spring is fixedly mounted on the corresponding mounting disc.
10. A pulling apparatus for a deadlocked extension in a simple door as claimed in claim 9, wherein: the third spring is a compression spring, the second spring is an extension spring, and the first spring is a compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110097173.XA CN112847240B (en) | 2021-01-25 | 2021-01-25 | Pulling device for clamping telescopic structure in simple door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110097173.XA CN112847240B (en) | 2021-01-25 | 2021-01-25 | Pulling device for clamping telescopic structure in simple door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112847240A CN112847240A (en) | 2021-05-28 |
| CN112847240B true CN112847240B (en) | 2022-07-08 |
Family
ID=76008537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110097173.XA Active CN112847240B (en) | 2021-01-25 | 2021-01-25 | Pulling device for clamping telescopic structure in simple door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112847240B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2812832B1 (en) * | 2000-08-09 | 2002-10-25 | Mecanique Energetique | OLEOPNEUMATIC COMPRESSOR FOR SPRINGS |
| CN203570967U (en) * | 2013-06-20 | 2014-04-30 | 王少麟 | Telescoping device of electric push-pull rod |
| CN209114389U (en) * | 2018-05-31 | 2019-07-16 | 沈阳市公安局交通警察支队 | Multi-functional hold up traffic is turned |
| CN211035157U (en) * | 2019-12-11 | 2020-07-17 | 王国鸿 | Telescopic sliding ring |
| CN110984028A (en) * | 2019-12-22 | 2020-04-10 | 青岛联合智造科技有限公司 | Automatic flexible anticollision railing |
-
2021
- 2021-01-25 CN CN202110097173.XA patent/CN112847240B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112847240A (en) | 2021-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208548679U (en) | A kind of electric armour clamp applied to overhead transmission line | |
| CN113241676B (en) | Electric power construction tensioner bullwheel | |
| CN216548772U (en) | Coiling mechanism for waterproofing membrane | |
| CN211821381U (en) | Monitoring equipment mounting bracket | |
| CN112847240B (en) | Pulling device for clamping telescopic structure in simple door | |
| CN113708315A (en) | Cable mounting fixture is used in electric power engineering installation | |
| CN110980450A (en) | Handheld electrician's sticky tape wind | |
| CN117612803A (en) | Cable shielding layer winding device | |
| CN117691528A (en) | Cable tightening device for double-row cable installation | |
| CN115555500B (en) | Cable straightening mechanism with pressure adjusting structure | |
| CN115241829A (en) | Wire cable with bending resistance for data transmission | |
| CN212380901U (en) | Cable fixing device for mounting electronic equipment | |
| CN216583608U (en) | Rope winding and unwinding devices for car of suing and labouring | |
| CN111904187A (en) | Intelligent automatic back pressure type clamping equipment | |
| CN213522092U (en) | Power plant auxiliary assembly running state collection system | |
| CN220156177U (en) | Bus installation is with reason line device | |
| CN220397198U (en) | Adjustable control access control machine mounting structure | |
| CN221685534U (en) | Sensor mounting bracket | |
| CN218216610U (en) | High-strength aluminum alloy strain clamp | |
| CN219602898U (en) | Copper wire winding equipment | |
| CN215181108U (en) | Connection structure of assembled optical fiber distribution frame | |
| CN220950036U (en) | But coal coke conveying system automatically regulated's pull belt mechanism | |
| CN220525883U (en) | GIS insulator on-line measuring sensor structure | |
| CN219678015U (en) | Cable support for electric installation engineering | |
| CN221177165U (en) | Disconnecting link lead bracket with anti-slip structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240829 Address after: Yuezhuang Village, Fengcheng Town, Yangcheng County, Jincheng City, Shanxi Province 048000 Patentee after: Yangcheng County Taiyue Door Industry Co.,Ltd. Country or region after: China Address before: 215500 No.15, Xinxiang village, Shanghu Town, Changshu City, Suzhou City, Jiangsu Province Patentee before: Zhang Jianqiang Country or region before: China |