CN208486710U - The latch mechanism of overhead door after a kind of fire fighting truck - Google Patents
The latch mechanism of overhead door after a kind of fire fighting truck Download PDFInfo
- Publication number
- CN208486710U CN208486710U CN201820770937.0U CN201820770937U CN208486710U CN 208486710 U CN208486710 U CN 208486710U CN 201820770937 U CN201820770937 U CN 201820770937U CN 208486710 U CN208486710 U CN 208486710U
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- China
- Prior art keywords
- rope
- lock pin
- latch mechanism
- overhead door
- fire fighting
- 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.)
- Withdrawn - After Issue
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- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 210000003027 ear inner Anatomy 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Special Wing (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to fire fighting truck accessory technical fields, more particularly to a kind of latch mechanism of overhead door after fire fighting truck, its structure include rope, the connecting plate above rope, rope adjusting seat, can the pressing piece of vertical pressing connecting plate, the lock pin for being respectively arranged at rope ends, lock pin fixing seat and two limited rollers, lock pin fixing seat offers lockpin hole, compressed spring is provided in lockpin hole, lockpin ventilating overcompression spring is connect with cable end so that lock pin can move horizontally in lockpin hole, and rope, which runs through, is fixed on two rope adjusting seats.It is changed into the horizontal stretching motion of rope by the vertical pressing movement of pressing piece, i.e., openable and locking latch mechanism, it is very convenient to operate；When installation, it is only necessary to ordinatedly stamp the lockhole with lock pin cooperation respectively on the doorframe of two sides, enormously simplify the mounting structure of entire latch mechanism, reduce costs.
Description
Technical field
The utility model relates to fire fighting truck accessory technical fields, and in particular to the latch mechanism of overhead door after a kind of fire fighting truck.
Background technique
Fire fighter is using in fire fighting truck fire extinguishing procedure, it is often necessary to open rear overhead door and pick and place fire-fighting equipment.It is existing
Fire fighting truck after overhead door mostly use gas spring to control its automatic opening greatly, is opened there are also a small number of using hydraulic cylinder or cylinder control
It opens.Wherein, the lock construction of gas spring, opening angle are limited by gas spring thrust, and gas spring can only control tilt-up door unlatching
To maximum angle, certain angle cannot be arbitrarily opened, it is not enough convenient to use, and when gas spring thrust is big, can be to peace
It hinges and generates biggish active force, be easy to loosen hinge, bring inconvenience to maintenance, there is also security risks；And hydraulic oil
Cylinder or and the lock construction of cylinder although can control opening angle, but it involves great expense, and maintenance cost is bigger, and occupied space
It is larger；In addition, both the above lock construction be respectively mounted it is complex.
Summary of the invention
The purpose of this utility model is that aiming at the shortcomings in the prior art, and provide a kind of installation and operation is succinct, dimension
Repair conveniently, after save the cost and the reliable fire fighting truck of locking overhead door latch mechanism.
The purpose of this utility model is achieved through the following technical solutions:
A kind of latch mechanism of overhead door after fire fighting truck is provided, connecting plate including rope, above rope is individually fixed in
The rope adjusting seat for adjusting rope lengths at the both ends of connecting plate lower surface is fixed on hanging down for the connecting plate upper surface
The pressing piece of straight pressing connecting plate is respectively arranged at the lock pin of rope ends and the lock pin fixing seat for fixing lock pin,
In: the lock pin fixing seat offers lockpin hole, and compressed spring is provided in the lockpin hole, and the lock pin passes through the compression
Spring is connect with the cable end so that lock pin can move horizontally in lockpin hole, and the rope, which runs through, is fixed on two
Rope adjusting seat is so that one section of rope between rope adjusting seat and lock pin is in horizontal tensioning state；It further include being set to
Two limited rollers touched are supported below the rope and with rope, two limited rollers are located at close to lock pin fixing seat
Outside.
It further include the lock box of overhead door after being fixed on fire fighting truck in above-mentioned technical proposal, the limited roller and lock pin are fixed
Seat is both secured in the lock box.
In above-mentioned technical proposal, rope limited block, the rope limited block are provided between the limited roller and lock pin
The guide groove for making rope keep horizontality is offered, the rope limited block is fixed in the lock box.
It further include the knob of overhead door after being fixed on fire fighting truck in above-mentioned technical proposal, the pressing piece is through the drawing
The end of hand and the pressing piece is fixedly connected with the connecting plate,.
In above-mentioned technical proposal, the pressing piece is set to the middle part of the knob, the rope, connecting plate, two ropes
Rope adjusting seat and two limited rollers are symmetrical set centered on pressing piece.
In above-mentioned technical proposal, the pressing piece is button.
Further include the lockhole being set on fire-fighting door frame in above-mentioned technical proposal, the extension end of the lock pin with it is described
Lockhole matches.
It further include lock pin spacing plate in above-mentioned technical proposal, the lock pin spacing plate and the fixed company of the lock pin fixing seat
It connects.
In above-mentioned technical proposal, the rope is wirerope.
The utility model has the beneficial effects that
The latch mechanism of overhead door after a kind of fire fighting truck of the utility model, first passes through rope adjusting seat in advance and adjusts entire rope
Length and degree of tautness, by lock pin fixing seat make lock pin spacing can only horizontal extension without up and down, left and right and rotation
Movement.In use, when latch mechanism is in lockup state, the lock pin of rope ends is inserted into just positioned at two side door of overhead door after fire fighting truck
In lockhole on frame, compressed spring makes rope be constantly in level to be stretched state.When passing through the pressing piece company of pressing vertically downward
Fishplate bar, rope adjusting seat are moved down with connecting plate, at this time by the guiding role of limited roller, by the vertical of pressing piece
Pressing movement is changed into the horizontal stretching motion of rope, and one section of rope between rope adjusting seat and limited roller is by horizontal linear
Become angled straight lines, then one between rope adjusting seat and limited roller section rope lengths increase, due to the length of entire rope
It is fixed and invariable, to drive entire rope mobile from both ends to center, and then the lock pin of cable end is driven to move to center
It moves and is removed from lockhole, i.e., latch mechanism is opened, and after overhead door takes out fire-fighting equipment after then fireman opens, turns over after closing
Door, only needs to set back pressing piece at this time, then connecting plate moves up, at this time under the guiding role of limited roller, rope
One section of rope between rope adjusting seat and limited roller is restored by angled straight lines to horizontal linear state, and rope is from center to both ends
It is mobile, while under the action of compressed spring, lock pin is pushed outwardly and enters in lockhole, i.e., latch mechanism is locked up.Above-mentioned behaviour
Make process, is changed into the horizontal stretching motion of rope, i.e., openable and locking lock only by the vertical pressing movement of pressing piece
Mechanism, it is very convenient to operate；When installation, it is only necessary to ordinatedly be stamped respectively on the doorframe of two sides with the lockhole of lock pin cooperation i.e.
Can, it does not need separately to fill lock, enormously simplifies the mounting structure of entire latch mechanism, gas spring compared with prior art, hydraulic cylinder
Equal labyrinths significantly reduce cost, and repair also very convenient.
Detailed description of the invention
Using attached drawing, the utility model is described in further detail, but the embodiment in attached drawing is not constituted to the utility model
Any restrictions for those of ordinary skill in the art without creative efforts, can also be according to following attached
Figure obtains other attached drawings.
Fig. 1 be the utility model a kind of fire fighting truck after overhead door latch mechanism structural schematic diagram.
Fig. 2 be the utility model a kind of fire fighting truck after overhead door latch mechanism another angle structural schematic diagram.
Fig. 3 is the enlarged structure schematic diagram in Fig. 1 at A.
Fig. 4 is the enlarged structure schematic diagram in Fig. 1 at B.
Appended drawing reference:
Rope 1, connecting plate 2, rope adjusting seat 3, pressing piece 4, lock pin 5；
Lock pin fixing seat 6, lockpin hole 61, compressed spring 7, limited roller 8；Rope limited block 9, guide groove 91；
Lock box 10, knob 11, lock pin spacing plate 12, lockhole 13, rear overhead door 14.
Specific embodiment
With the following Examples and attached drawing is further described the utility model.
The latch mechanism of overhead door after a kind of fire fighting truck of the present embodiment, as depicted in figs. 1 and 2, including rope 1, be located at rope 1
The connecting plate 2 of top, be individually fixed in 2 lower surface of connecting plate both ends for adjust 1 length of rope rope adjusting seat 3,
Be fixed on 2 upper surface of connecting plate can vertical pressing connecting plate 2 pressing piece 4, be respectively arranged at the lock pin 5 at 1 both ends of rope with
And the lock pin fixing seat 6 for fixing lock pin 5, in which: as shown in figure 4, lock pin fixing seat 6 offers lockpin hole 61, lockpin hole
Compressed spring 7 is provided in 61, lock pin 5 is connect with 1 end of rope by compressed spring 7 so that lock pin 5 can be in lockpin hole 61
Inside move horizontally, rope 1 run through be fixed on two rope adjusting seats 3 so that between rope adjusting seat 3 and lock pin 5 one
Section rope 1 is in horizontal tensioning state.As shown in figure 3, the latch mechanism further includes being set to 1 lower section of rope and supporting with rope 1
Two limited rollers 8 touched, two limited rollers 8 are located at close to the outside of lock pin fixing seat 6.The latch mechanism further includes
The lockhole 13 (see Fig. 1) being set on fire-fighting door frame, the extension end of lock pin 5 are matched with lockhole 13.According to different operating conditions,
The end of lock pin 5 can be processed into different shape so as to smooth locking.
Its working principle is that: length and degree of tautness that rope adjusting seat 3 adjusts entire rope 1 are first passed through in advance, passes through lock
Pin fixing seat 6 make lock pin 5 limit can only horizontal extension without up and down, left and right and rotary motion.In use, working as latch mechanism
In lockup state, the lock pin 5 at 1 both ends of rope is inserted into the lockhole 13 on 14 two sides doorframe of overhead door after fire fighting truck just,
Compressed spring 7 makes rope 1 be constantly in level to be stretched state.Connecting plate 2, rope are pressed vertically downward when passing through pressing piece 4
Adjusting seat 3 is moved down with connecting plate 2, passes through the guiding role of limited roller 8 at this time, by the vertical pressing of pressing piece 4
Movement is changed into the horizontal stretching motion of rope 1, and one section of rope 1 between rope adjusting seat 3 and limited roller 8 is by horizontal linear
Become angled straight lines, then one between rope adjusting seat 3 and limited roller 8 section rope, 1 length increases, due to entire rope 1
Length is fixed and invariable, so that it is mobile from both ends to center to drive entire rope 1, and then drive the lock pin 5 of 1 end of rope to
Center is mobile and removes from lockhole 13, i.e., latch mechanism is opened, after overhead door 14 takes out fire-fighting equipment after then fireman opens,
Rear overhead door 14 is closed, only needs to set back pressing piece 4 at this time, then connecting plate 2 moves up, at this time in limited roller 8
Under guiding role, one section of rope 1 between rope adjusting seat 3 and limited roller 8 is restored by angled straight lines to horizontal linear state,
Rope 1 is mobile from center to both ends, while under the action of compressed spring 7, and lock pin 5 is pushed outwardly and enters in lockhole 13,
I.e. latch mechanism is locked up.
It further include the lock box 10 of overhead door 14 after being fixed on fire fighting truck, limited roller 8 and lock pin fixing seat 6 in the present embodiment
It is both secured in lock box 10, lock box 10 plays the role of protection.
In the present embodiment, Fig. 1 being seen, rope limited block 9 being provided between limited roller 8 and lock pin 5, rope limited block 9 is opened
Equipped with for making rope 1 keep the guide groove 91 of horizontality, rope limited block 9 is fixed in lock box 10.It is longer for length
Rope 1, for the ease of control rope 1 be completely on horizontal line, rope is added in the region between limited roller 8 and lock pin 5
Rope limited block 9 further limits rope 1 by guide groove 91.
In the present embodiment, see that Fig. 1 and Fig. 3, latch mechanism further include the knob 11 of overhead door 14 after being fixed on fire fighting truck, pressing piece
4 are fixedly connected through the end of knob 11 and pressing piece 4 with connecting plate 2.Knob 11 turns over after opening and closing convenient for fireman
Door 14.Pressing piece 4 is set to the middle part of knob 11, rope 1,2, two rope adjusting seats 3 of connecting plate and two limited rollers 8
It is symmetrical set centered on pressing piece 4.So that the latch mechanism of 4 two sides of pressing piece is synchronous, the accuracy of latch mechanism is improved.Make
For preferred embodiment, pressing piece 4 is button.When pressing lower button, then latch mechanism is opened, when button return, latch mechanism locking.
In the present embodiment, see that Fig. 4, latch mechanism further include lock pin spacing plate 12, lock pin spacing plate 12 and lock pin fixing seat 6 are solid
Fixed connection.Further lock pin 5 is limited by lock pin fixing seat 6 and lock pin spacing plate 12, makes lock pin 5 can only horizontal extension movement
Without up and down, left and right and rotary motion, thus reach stablize and accurately unlock and it is sealed.
In the present embodiment, rope 1 is wirerope, with wear-resisting property is good, hardness is high, stretching resistance is strong and is not easy to get rusty
The advantages of.
Compared with prior art, the latch mechanism of the utility model in operation, press by vertical only by pressing piece 4
Pressure movement is changed into the horizontal stretching motion of rope 1, i.e., openable and locking latch mechanism, it is very convenient to operate；When installation, only need
It ordinatedly to stamp the lockhole 13 cooperated with lock pin 5 respectively on the doorframe of two sides, not need separately to fill lock, enormously simplify
The mounting structure of entire latch mechanism significantly reduces cost, Er Qiewei compared to the lock construction of the complexity such as gas spring, hydraulic cylinder
It repairs also very convenient.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this
The spirit and scope of utility model technical solution.
Claims (9)
1. the latch mechanism of overhead door after a kind of fire fighting truck, it is characterised in that: connecting plate, difference including rope, above rope
It is fixed on the rope adjusting seat for adjusting rope lengths at the both ends of connecting plate lower surface, is fixed on the connecting plate upper surface
Can vertical pressing connecting plate pressing piece, be respectively arranged at the lock pin of rope ends and the lock pin for fixing lock pin is fixed
Seat, in which: the lock pin fixing seat offers lockpin hole, and compressed spring is provided in the lockpin hole, and the lock pin passes through institute
It states compressed spring to be connect with the cable end so that lock pin can move horizontally in lockpin hole, the rope is through fixation
In two rope adjusting seats so that one section of rope between rope adjusting seat and lock pin is in horizontal tensioning state；Further include
Two limited rollers touched are set to below the rope and support with rope, two limited rollers are located at close to lock pin
The outside of fixing seat.
2. the latch mechanism of overhead door after a kind of fire fighting truck according to claim 1, it is characterised in that: further include being fixed on fire-fighting
The lock box of overhead door after vehicle, the limited roller and lock pin fixing seat are both secured in the lock box.
3. the latch mechanism of overhead door after a kind of fire fighting truck according to claim 2, it is characterised in that: the limited roller and lock
Rope limited block is provided between pin, the rope limited block offers the guide groove for making rope keep horizontality, institute
Rope limited block is stated to be fixed in the lock box.
4. the latch mechanism of overhead door after a kind of fire fighting truck according to claim 2, it is characterised in that: further include being fixed on fire-fighting
The end of the knob of overhead door after vehicle, the pressing piece through the knob and pressing piece is fixedly connected with the connecting plate.
5. the latch mechanism of overhead door after a kind of fire fighting truck according to claim 4, it is characterised in that: the pressing piece is set to
The middle part of the knob, the rope, connecting plate, two rope adjusting seats and two limited rollers are centered on pressing piece
It is symmetrical set.
6. according to claim 1 or 5 after a kind of fire fighting truck overhead door latch mechanism, it is characterised in that: the pressing piece is
Button.
7. the latch mechanism of overhead door after a kind of fire fighting truck according to claim 1, it is characterised in that: further include being set to fire-fighting
Lockhole on door frame, the extension end of the lock pin are matched with the lockhole.
8. the latch mechanism of overhead door after a kind of fire fighting truck according to claim 1, it is characterised in that: further include lock pin spacing
Plate, the lock pin spacing plate are fixedly connected with the lock pin fixing seat.
9. the latch mechanism of overhead door after a kind of fire fighting truck according to claim 1, it is characterised in that: the rope is steel wire
Rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820770937.0U CN208486710U (en) | 2018-05-22 | 2018-05-22 | The latch mechanism of overhead door after a kind of fire fighting truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820770937.0U CN208486710U (en) | 2018-05-22 | 2018-05-22 | The latch mechanism of overhead door after a kind of fire fighting truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208486710U true CN208486710U (en) | 2019-02-12 |
Family
ID=65250127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820770937.0U Withdrawn - After Issue CN208486710U (en) | 2018-05-22 | 2018-05-22 | The latch mechanism of overhead door after a kind of fire fighting truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208486710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487803A (en) * | 2018-05-22 | 2018-09-04 | 广东永强奥林宝国际消防汽车有限公司 | The latch mechanism of overhead door after a kind of fire fighting truck |
-
2018
- 2018-05-22 CN CN201820770937.0U patent/CN208486710U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487803A (en) * | 2018-05-22 | 2018-09-04 | 广东永强奥林宝国际消防汽车有限公司 | The latch mechanism of overhead door after a kind of fire fighting truck |
| CN108487803B (en) * | 2018-05-22 | 2024-03-29 | 广东永强奥林宝国际消防汽车有限公司 | Lock mechanism of fire engine back door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190212 Effective date of abandoning: 20240329 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190212 Effective date of abandoning: 20240329 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |