CN207526277U - A kind of blocking device based on isometric link mechanism - Google Patents
A kind of blocking device based on isometric link mechanism Download PDFInfo
- Publication number
- CN207526277U CN207526277U CN201721625701.XU CN201721625701U CN207526277U CN 207526277 U CN207526277 U CN 207526277U CN 201721625701 U CN201721625701 U CN 201721625701U CN 207526277 U CN207526277 U CN 207526277U
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- CN
- China
- Prior art keywords
- connecting rod
- axis pin
- door leaf
- locking
- internal thread
- 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.)
- Expired - Fee Related
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
A kind of blocking device based on isometric link mechanism disclosed in the utility model, including reducer assemblies, guide holder, internal thread bar assembly, isometric link mechanism, fixed seat, locking pressurizing unit, door leaf and doorframe；The reducer assemblies are secured by bolts on door leaf, and the guide holder is secured by bolts on door leaf；Link block in the internal thread bar assembly is fixed on internal thread connecting rod one end by connecting axis pin；Long connecting rod on the isometric link mechanism is hinged with short connecting rod by pitman pin；The fixed seat includes fixed base frame and short connecting rod axis pin, and the fixed base frame is secured by bolts on door leaf, and fixed base frame is hinged by short connecting rod axis pin and short connecting rod one end；The locking pressurizing unit is hinged by tapered end axis pin with long connecting rod.Power and movement are transmitted in blocking device provided by the utility model, the commutation for realizing blocking device using isometric link mechanism, and rational in infrastructure, installation accuracy is easy to ensure, the locking suitable for people's air defense safeguard is locked.
Description
Technical field
The utility model is related to Technology for Civil Air Defence Projects field more particularly to a kind of locking dresses based on isometric link mechanism
It puts.
Background technology
The safeguards such as various airtight blast doors, sealed door in civil air defense projects is realize its sealing function and resistance
Shock wave rebound effect realizes that the compression between door leaf and doorframe is closed usually using blocking device.Blocking device, which is generally basede on, to be changed
To the compositions such as device or link mechanism, existing blocking device structure and processing technology are relative complex, and installation should not ensure precision.
Utility model content
The purpose of this utility model is for above-mentioned technical problem, and the utility model provides one kind and is based on waiting long connecting rods machine
The blocking device of structure, it is rational in infrastructure, realize that power and movement, installation essence are transmitted in the commutation of blocking device using isometric link mechanism
It spends and is easy to ensure, the locking suitable for people's air defense safeguard is locked, and can be widely applied to civil air defense constructions and installations facility.
The technical solution of the utility model
The purpose of this utility model is to provide a kind of blocking device based on isometric link mechanism, is filled with solving existing locking
It puts structure and processing technology is relative complex, the problem that installation accuracy should not ensure.
The technical solution that the utility model solves above-mentioned technical problem is as follows：
A kind of blocking device based on isometric link mechanism, including reducer assemblies, guide holder, internal thread bar assembly,
Isometric link mechanism, fixed seat are latched pressurizing unit, door leaf and doorframe；The reducer assemblies are secured by bolts in door leaf
On, the guide holder is secured by bolts on door leaf；The internal thread bar assembly includes internal thread connecting rod, link block, connection
Axis pin and long connecting rod axis pin, the link block are fixed on internal thread connecting rod one end by connecting axis pin；The isometric link mechanism
Including long connecting rod, short connecting rod and pitman pin, the long connecting rod is hinged with short connecting rod by pitman pin；The fixed seat includes
Fixed base frame and short connecting rod axis pin, the fixed base frame are secured by bolts on door leaf, and fixed base frame passes through short connecting rod axis pin
It is hinged with short connecting rod one end；The locking pressurizing unit is hinged by tapered end axis pin with long connecting rod.
Further, the locking pressurizing unit includes locking head and locking set, and locking set is secured by bolts in door leaf
On, one end of locking head is hinged with long connecting rod by tapered end axis pin, and locking head moves in locking set, is inserted into when locking head stretches out
The compression between door leaf and doorframe is realized during the obturator hernia of doorframe.
Further, the reducer assemblies include retarder ontology, output screw and rocking handle, the output screw with it is interior
Internal thread connecting rod in screw thread bar assembly is threadedly coupled.
Further, one end of the short connecting rod passes through point articulated, the short connecting rod other end in pitman pin and long connecting rod
The line of hinge joint and the hinge joint at long connecting rod both ends be mutually perpendicular to.
Further, the short connecting rod length is the half of long connecting rod, in this way, the fortune of the long connecting rod both ends hinge of the mechanism
Dynamic is linear motion, and the direction of motion is vertical, and the cooperation between locking head and locking set has been effectively ensured, ensure that locking
Reliability.
The utility model advantageous effect：
A kind of blocking device based on isometric link mechanism provided by the utility model, it is rational in infrastructure, there is following skill
Art effect：
（1）Output screw in reducer assemblies, by thread fitting, can drive internal thread bar group with internal thread bar assembly
Part moves up and down；The long connecting rod that internal thread bar assembly is connected pushes the locking head in locking pressurizing unit to be moved along locking set left and right
Dynamic, the lozenges of locking head can be inserted into the obturator hernia in doorframe, so as to fulfill the compression between door leaf and doorframe, structure letter
Single, easy to process, installation accuracy is easy to ensure；
（2）Short connecting rod one end is hinged with long connecting rod in point midway, and the other end and the fixed seat of short connecting rod are hinged, and this cuts with scissors
Point arranges at a right angle with long connecting rod both ends hinge, in addition long connecting rod two of the short connecting rod length for the half, then this mechanism of long connecting rod
The movement of end hinge is linear motion, and the direction of motion is vertical, and the reliability of blocking device is effectively ensured.
Description of the drawings
By the detailed description made in conjunction with the following drawings, the above-mentioned advantage of the utility model will be apparent and more hold
Readily understood, these attached drawings are only schematical, are not intended to limit the utility model, wherein：
Fig. 1 is the structure diagram of the blocking device described in the utility model based on isometric link mechanism；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the structure diagram of the reducer assemblies of the utility model；
Fig. 4 is the structure diagram of the threaded component of the utility model；
Fig. 5 is the structure diagram of the isometric link mechanism of the utility model；
Fig. 6 is the structure diagram of the locking pressurizing unit of the utility model.
In attached drawing, the component representated by each label is as follows：
1. reducer assemblies；2. guide holder；3. internal thread bar assembly；4. isometric link mechanism；5. fixed seat；6. locking is squeezed
Pressure device；7. door leaf；8. doorframe；9. retarder ontology；10. output screw；11. rocking handle；12. locking head；13. locking set；14.
Tapered end axis pin；15. internal thread connecting rod；16. link block；17. connect axis pin；18. long connecting rod axis pin；19. long connecting rod；20. short company
Bar；21. pitman pin；22. short connecting rod axis pin.
Specific embodiment
Fig. 1 to Fig. 6 is the accompanying drawings of the application, with reference to specific embodiments and the drawings pair, the utility model one
Blocking device of the kind based on isometric link mechanism is described in detail.
The embodiment recorded herein is the specific specific embodiment of the utility model, for illustrating the utility model
Design, is explanatory and illustrative, should not be construed as the limit to the utility model embodiment and the scope of the utility model
System.In addition to the embodiment recorded herein, those skilled in the art also are able to public based on the application claims and specification institute
The content opened includes doing using the embodiment to recording herein using obvious other technical solutions, these technical solutions
Go out the technical solution of any obvious substitutions and modifications.
The attached drawing of this specification is schematic diagram, aids in illustrating the design of the utility model, it is schematically indicated each section
Shape and its correlation.Note that for the ease of clearly show the utility model embodiment each component structure, phase
With reference marker for representing identical part.
A kind of structure diagram of the blocking device based on isometric link mechanism, as shown in Figure 1, blocking device includes slowing down
Device assembly 1, guide holder 2, internal thread bar assembly 3, isometric link mechanism 4, fixed seat 5 are latched pressurizing unit 6, door leaf 7 and doorframe
8.Described herein usually to be opened based on isometric link mechanism, wartime closes, schematic diagrames of the Fig. 1 for wartime closed state, Fig. 2
It is corresponding vertical view.
The reducer assemblies 1 are secured by bolts on door leaf 7, the reducer assemblies 1 include retarder ontology 9,
Output screw 10 and rocking handle 11, as shown in figure 3, the output screw 10 and 15 spiral shell of internal thread connecting rod in internal thread bar assembly 3
Line connects；The guide holder 2 is secured by bolts on door leaf 7.
The internal thread bar assembly 3 includes internal thread connecting rod 15, link block 16, connection axis pin 17 and long connecting rod axis pin 18,
As shown in figure 4, the link block 16 is fixed on 15 one end of internal thread connecting rod by connecting axis pin 17.
The locking pressurizing unit 6 includes locking head 12 and locking set 13, as shown in fig. 6, locking set 13 is consolidated by bolt
Due on door leaf 7, one end of locking head 12 is hinged by tapered end axis pin 14 with long connecting rod 19, and locking head 12 moves in locking set 13
It is dynamic, the compression between door leaf 7 and doorframe 8 is realized when locking head 12 stretches out the obturator hernia for being inserted into doorframe 8.
The isometric link mechanism 4 includes long connecting rod 19, short connecting rod 20 and pitman pin 21, as shown in figure 5, the length is even
Bar 19 is hinged by pitman pin 21 with short connecting rod 20；The fixed seat 5 includes fixed base frame and short connecting rod axis pin 22, described solid
Reservation body is secured by bolts on door leaf 7, and fixed base frame is hinged by short connecting rod axis pin 22 and 20 one end of short connecting rod；It is described to close
It is hinged by tapered end axis pin 14 and long connecting rod 19 to lock pressurizing unit 6.
One end of the short connecting rod 20 by pitman pin 21 with point articulated in long connecting rod 19,20 other end of short connecting rod
The line of hinge joint and the hinge joint at 19 both ends of long connecting rod is mutually perpendicular to；20 length of short connecting rod is the half of long connecting rod 19,
In this way, the movement of the long connecting rod both ends hinge of the mechanism is linear motion, and the direction of motion is vertical, and locking head has been effectively ensured
Cooperation between being covered with locking, ensure that the reliability of locking.
Specifically, one end hinge of the long connecting rod 19 of the isometric link mechanism 4（A points）By pitman pin 21 with connecting
Block 16 is hinged, therefore A points can be moved up and down with link block 16.20 one end hinge of short connecting rod（C points）With long connecting rod 19 in point midway
（C points）It is hinged, the other end hinge of short connecting rod 20（D points）It is hinged, and this hinge with the fixed seat 5 being fixed on door leaf 7（D points）
With long connecting rod both ends hinge（A points and B points）Arrangement at a right angle, as shown in Figure 5.In addition it is long connecting rod 19 to ensure 20 length of short connecting rod
Half, then this mechanism 19 both ends hinge of long connecting rod（A points and B points）Movement be linear motion, and the direction of motion is vertical.
Long connecting rod 19 in the isometric link mechanism that internal thread bar assembly 3 is connected pushes closing in locking pressurizing unit 6
Tapered end 12 is moved left and right along locking set 13.The lozenges of locking head 12 can be inserted into the obturator hernia in doorframe 8, so as to fulfill door leaf 7
With the compression between doorframe 8.
Compared with prior art, blocking device provided by the utility model realizes blocking device using isometric link mechanism
Commutation transmit power and movement, rational in infrastructure, installation accuracy is easy to ensure, the locking suitable for people's air defense safeguard is locked, tool
There is good promotional value.
The utility model is not limited to the above embodiment, anyone can obtain other under the enlightenment of the utility model
Various forms of products, however, make any variation in its shape or structure, it is every with identical or similar to the present application
Technical solution, all fall within the scope of protection of the utility model.
Claims (5)
1. a kind of blocking device based on isometric link mechanism, which is characterized in that including reducer assemblies（1）, guide holder（2）,
Internal thread bar assembly（3）, isometric link mechanism（4）, fixed seat（5）, it is latched pressurizing unit（6）, door leaf（7）And doorframe（8）；Institute
State reducer assemblies（1）It is secured by bolts in door leaf（7）On, the guide holder（2）It is secured by bolts in door leaf（7）On；
The internal thread bar assembly（3）Including internal thread connecting rod（15）, link block（16）, connection axis pin（17）With long connecting rod axis pin
（18）, the link block（16）By connecting axis pin（17）It is fixed on internal thread connecting rod（15）One end；The isometric link mechanism
（4）Including long connecting rod（19）, short connecting rod（20）And pitman pin（21）, the long connecting rod（19）With short connecting rod（20）Pass through connecting rod
Axis pin（21）It is hinged；The fixed seat（5）Including fixed base frame and short connecting rod axis pin（22）, the fixed base frame consolidated by bolt
Due to door leaf（7）On, fixed base frame passes through short connecting rod axis pin（22）With short connecting rod（20）One end is hinged；The locking pressurizing unit
（6）Pass through tapered end axis pin（14）With long connecting rod（19）It is hinged.
2. blocking device according to claim 1, which is characterized in that the locking pressurizing unit（6）Including locking head（12）
And locking set（13）, locking set（13）It is secured by bolts in door leaf（7）On, locking head（12）One end and long connecting rod（19）It is logical
Cross tapered end axis pin（14）It is hinged, locking head（12）It is covered in locking（13）Interior movement, works as locking head（12）It stretches out and is inserted into doorframe（8）'s
Door leaf is realized during obturator hernia（7）With doorframe（8）Between compression.
3. blocking device according to claim 1, which is characterized in that the reducer assemblies（1）Including retarder ontology
（9）, output screw（10）And rocking handle（11）, the output screw（10）With internal thread bar assembly（3）On internal thread connecting rod
（15）It is threadedly coupled.
4. blocking device according to claim 1, which is characterized in that the short connecting rod（20）One end pass through pitman pin
（21）With long connecting rod（19）In point articulated, short connecting rod（20）The hinge joint and long connecting rod of the other end（19）The hinge joint at both ends
Line is mutually perpendicular to.
5. blocking device according to claim 4, which is characterized in that the short connecting rod（20）Length is long connecting rod（19）One
Half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721625701.XU CN207526277U (en) | 2017-11-29 | 2017-11-29 | A kind of blocking device based on isometric link mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721625701.XU CN207526277U (en) | 2017-11-29 | 2017-11-29 | A kind of blocking device based on isometric link mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207526277U true CN207526277U (en) | 2018-06-22 |
Family
ID=62580730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721625701.XU Expired - Fee Related CN207526277U (en) | 2017-11-29 | 2017-11-29 | A kind of blocking device based on isometric link mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207526277U (en) |
-
2017
- 2017-11-29 CN CN201721625701.XU patent/CN207526277U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20211129 |