CN207842935U - Underground engines sand box cover - Google Patents
Underground engines sand box cover Download PDFInfo
- Publication number
- CN207842935U CN207842935U CN201820248869.1U CN201820248869U CN207842935U CN 207842935 U CN207842935 U CN 207842935U CN 201820248869 U CN201820248869 U CN 201820248869U CN 207842935 U CN207842935 U CN 207842935U
- Authority
- CN
- China
- Prior art keywords
- cover board
- limiting plate
- sand box
- shaft
- underground engines
- 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
Links
Abstract
The utility model provides a kind of underground engines sand box cover, including:Cover board seat, cover board seat bottom are equipped with multiple U-lags, and cover board seat bottom is installed on the bottom of underground engines by multiple U-lags;One end of supporting rack, supporting rack is connect with cover board seat, and the other end is rotatablely connected by one end of rotary screw and a connecting rod, and supporting rack is equipped with spring catch;Cover board, the other end of connecting rod is connect with cover board, the inner surface of cover board is equipped with O shape seal grooves, O-ring seals are equipped in O shapes seal groove, in the middle part of cover board shaft set is equipped with along the thickness direction of cover board, it is equipped with shaft in shaft set, the first end that the first end of shaft exposes to shaft set is connect with leader, the second end that the second end of shaft exposes to shaft set is connect with a baffle, the first limiting plate, the second limiting plate and third limiting plate are disposed on baffle, it can be while promoting the leakproofness of sand box cover, it is ensured that can easily open sand box cover in a limited space.
Description
Technical field
The utility model is related to rail vehicle technical field, more particularly to a kind of underground engines sand box cover.
Background technology
Sand box cover is the important component of stucco system, is mounted at the sand inlet of sandbox.When sand deficiency in sandbox,
It opens sand box cover to supplement sandbox, it is ensured that sand amount abundance ensures that stucco system being capable of normal stucco.Traditional sand sprayer according to
Sand is spread to track by gravity, sand box cover is simple in structure, it is only necessary to while capping sandbox adds sand mouth, there is water proof and dust proof work(
Can, it is hardened because of moist and dust to avoid the sand grains in sandbox, does not influence the normal stucco of sand sprayer.And current sandbox master
Pressure stucco is relied on, so stucco lid is other than having the function of waterproof and dustproof, it is also necessary to which sealing ensures sandbox pressure, but mesh
The poor sealing of preceding sand box cover, it is difficult to meet the requirements.In addition sand sprayer is generally in locomotive bottom, the location of sand box cover space
It is smaller, and sand box cover needs private key that could open, and since locomotive bottom space is limited, causes the unlatching of sand box cover very not
It is convenient.
In conclusion sand box cover leads to the poor sealing of sand box cover, and open very not due to the defect of self structure at present
It is convenient.
Utility model content
The utility model embodiment is designed to provide a kind of underground engines sand box cover, to solve the leakproofness of sand box cover
Difference, and open very inconvenient problem.
In order to achieve the above object, the embodiments of the present invention provide a kind of underground engines sand box cover, including:
Cover board seat, cover board seat bottom are equipped with multiple U-lags, and cover board seat bottom is installed on underground engines by multiple U-lags
Bottom, and be hollow structure inside cover board seat, hollow structure is connected with the sandbox of underground engines;
One end of supporting rack, supporting rack is connect with cover board seat, and the other end is rotated by one end of rotary screw and a connecting rod
Connection, and supporting rack is equipped with spring catch;
The other end of cover board, connecting rod is connect with cover board, and the inner surface of cover board is equipped with O shape seal grooves, is equipped in O shape seal grooves
O-ring seals, cover board middle part are equipped with shaft set along the thickness direction of cover board, and the center of O shape seal grooves is located at the axis of shaft set
On, shaft is equipped in shaft set, the first end of shaft exposes to the first end that shaft covers and connect with leader, the second end of shaft
The second end for exposing to shaft set is connect with a baffle, and the first limiting plate, the second limiting plate and the are disposed on baffle
Three limiting plates, the angle between the second limiting plate and the first limiting plate and third limiting plate are the first predetermined angle;
Wherein, when handle drives baffle to be rotated in a first direction the second predetermined angle by shaft, the first limiting plate, the
Two limiting plates and third limiting plate are clamped with the clamping portion on the inner wall of the one end of cover board seat far from sandbox, the first limiting plate
It is abutted with the positioning column for being set to cover inner surface, in the cone tank on the one end of O-ring seals insert cover panel seat far from sandbox,
Underground engines sand box cover switches to locking states by open state;When handle drives baffle to rotate in a second direction the by shaft
When three predetermined angles, the first limiting plate, the second limiting plate and third limiting plate with shackle portion from, the second limiting plate with it is fixed
Position column abuts, and O-ring seals are detached with cone tank, and underground engines sand box cover switches to open state by locking states;Work as subway
Locomotive sand box lid is in open state, when cover board rotates four predetermined angles around rotary screw by connecting rod along third direction, bullet
The one end of spring pin far from supporting rack is located in the limit hole on connecting rod.
Optionally, the axis of positioning column and horizontal angle are the 5th predetermined angle.
Optionally, rubber washer is equipped between cover board seat bottom and the bottom of underground engines.
Optionally, the quantity of U-lag is 4.
The said program of the utility model has following advantageous effect:
In the embodiments of the present invention, since the inner surface of cover board is equipped with O shape seal grooves, and set in O shape seal grooves
There are O-ring seals, and when underground engines sand box cover is in locking states, the O-ring seals insert cover panel seat is far from sandbox
In cone tank on one end, to greatly promote the leakproofness of underground engines sand box cover, in addition when subway locomotive sand box lid is in
When locking states, by swing handle, handle is made to drive baffle to rotate in a second direction third predetermined angle, baffle by shaft
On the first limiting plate, the second limiting plate and third limiting plate with the clamping on the inner wall of the one end of cover board seat far from sandbox
Part is from underground engines sand box cover switches to open state by locking states, is easily opened in a limited space to reach
The effect of sand box cover.
Description of the drawings
Fig. 1 is the front view of underground engines sand box cover in the utility model specific embodiment;
Fig. 2 is the sectional view along A-A of Fig. 1 in the utility model specific embodiment;
Fig. 3 is the first limiting plate, the second limiting plate, third limiting plate and positioning column in the utility model specific embodiment
Structural schematic diagram;
Fig. 4 is the structural schematic diagram of the utility model specific embodiment middle cover panel seat and supporting rack;
Fig. 5 is the structural schematic diagram of the utility model specific embodiment middle cover panel seat.
Reference sign:
1, cover board seat;2, U-lag;3, supporting rack;4, spring catch;5, cover board;6, O-ring seals;7, shaft set;8, axis
Bar;9, handle;10, baffle;11, the first limiting plate;12, the second limiting plate;13, third limiting plate;14, limit hole;15, rubber
Washer;16, positioning column;17, connecting rod.
Specific implementation mode
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
As shown in Figures 1 to 5, specific embodiment of the utility model provides a kind of underground engines sand box cover, including:Lid
Panel seat 1,1 bottom of cover board seat are equipped with multiple U-lags 2, and 1 bottom of cover board seat is installed on the bottom of underground engines by multiple U-lags 2
Portion, and 1 inside of cover board seat is hollow structure, hollow structure is connected with the sandbox of underground engines;Supporting rack 3, the one of supporting rack 3
End is connect with cover board seat 1, and the other end is rotatablely connected by one end of rotary screw and a connecting rod 17, and supporting rack 3 is equipped with bullet
Spring pin 4;The other end of cover board 5, connecting rod 17 is connect with cover board 5, and the inner surface of cover board 5 is equipped with O shape seal grooves, in O shape seal grooves
Equipped with O-ring seals 6, the center that 5 middle part of cover board is equipped with shaft set 7, O shape seal grooves along the thickness direction of cover board 5 is located at shaft
On the axis of set 7, shaft 8 is equipped in shaft set 7, the first end of shaft 8 exposes to the first end of shaft set 7 and leader 9 connects
It connects, the second end that the second end of shaft 8 exposes to shaft set 7 is connect with a baffle 10, and the first limit is disposed on baffle 10
Position plate 11, the second limiting plate 12 and third limiting plate 13, the second limiting plate 12 and the first limiting plate 11 and third limiting plate 13
Between angle be the first predetermined angle.
Wherein, when handle 9 drives baffle 10 to be rotated in a first direction the second predetermined angle by shaft 8, the first limit
Plate 11, the second limiting plate 12 and third limiting plate 13 with the clamping portion card on the inner wall of the one end of cover board seat 1 far from sandbox
It connects, the first limiting plate 11 is abutted with the positioning column 16 for being set to 5 inner surface of cover board, and 6 insert cover panel seat 1 of O-ring seals is far from sand
In cone tank on one end of case, underground engines sand box cover switches to locking states by open state;When handle 9 passes through shaft 8
When baffle 10 being driven to rotate in a second direction third predetermined angle, the first limiting plate 11, the second limiting plate 12 and third limit
Plate 13 is with shackle portion from the second limiting plate 12 is abutted with positioning column 16, and O-ring seals 6 are detached with cone tank, underground engines
Sand box cover switches to open state by locking states;When subway locomotive sand box lid is in open state, cover board 5 by connecting rod 17 around
When rotary screw rotates four predetermined angles along third direction, the one end of spring catch 4 far from supporting rack 3 is located at the limit on connecting rod 17
In the hole 14 of position.Wherein, second direction can be with first party in the opposite direction.
Wherein, it is hollow structure inside above-mentioned cover board seat 1, and the hollow knot in specific embodiment of the utility model
Structure is connected with the sandbox of underground engines, consequently facilitating in sandbox when sand deficiency, sand is added into sandbox.And above-mentioned cover board seat
1 bottom can be installed on the bottom of underground engines by the cooperation of multiple U-lags 2 and multiple bolts.And it is noted that due to
It is installed by U-lag 2, consequently facilitating adjusting the position of 1 bottom of cover board seat, underground engines sand box cover is made to coordinate more with stucco system
Step up it is close and beautiful, be conducive to promoted usage experience.
Optionally, in specific embodiment of the utility model, between above-mentioned 1 bottom of cover board seat and the bottom of underground engines
Equipped with rubber washer 15.Wherein, deformation is easy tod produce since rubber washer 15 is ageing-resistant and hardness is low, when passing through bolt and U-shaped
When 1 bottom of cover board seat is installed on the bottom of underground engines by the cooperation of slot 2, rubber washer 15 will produce deformation, and then realizes and spread
The sealing of sand system, it is advantageously ensured that sand sprayer can normal stucco.And as a preferred example, above-mentioned rubber washer 15 can
For the rubber washer made of silicone rubber material.
Optionally, in specific embodiment of the utility model, the quantity of above-mentioned U-lag 2 is 4.Specifically, 4 U-shapeds
Slot 2 can be distributed on 4 feet of 1 bottom of cover board seat, consequently facilitating cover board seat 1 to be installed on to the bottom of underground engines.
Wherein, in specific embodiment of the utility model, above-mentioned shaft 8 can cover rotation in 7 in shaft, so that it is guaranteed that turning
When dynamic handle 9, handle 9 can drive baffle 10 to rotate by shaft 8.In addition, above-mentioned first predetermined angle can be 90 degree, i.e., the
Angle between two limiting plates 12 and the first limiting plate 11 and third limiting plate 13 is 90 degree, consequently facilitating underground engines sandbox
The open and lock state of lid.
Specifically, when handle 9 drives baffle 10 along first direction by shaft 8(The first direction can be square counterclockwise
To)Rotate the second predetermined angle(Second predetermined angle can be 45 degree)When, the first limiting plate 11, the second limiting plate 12 and
Third limiting plate 13 is clamped with the clamping portion on the inner wall of the one end of cover board seat 1 far from sandbox, the first limiting plate 11 and setting
It is abutted in the positioning column 16 of 5 inner surface of cover board(As shown in Figure 3), on 6 one end of insert cover panel seat 1 far from sandbox of O-ring seals
Cone tank in, underground engines sand box cover switches to locking states by open state.
Wherein, there are multiple card interfaces, therefore when handle 9 drives baffle 10 along first by shaft 8 on above-mentioned clamping portion
Direction(The first direction can be counterclockwise)Rotate the second predetermined angle(Second predetermined angle can be 45 degree)When,
First limiting plate 11, the second limiting plate 12 and third limiting plate 13 are connected in a card interface in multiple card interfaces respectively
In, to realize the clamping of each limiting plate and clamping portion.In addition, being limited in the first limiting plate 11, the second limiting plate 12 and third
While position plate 13 is clamped with clamping portion, in the cone tank on 1 one end far from sandbox of the meeting insert cover of O-ring seals 6 panel seat,
To greatly promote the leakproofness of underground engines sand box cover.
Wherein, in specific embodiment of the utility model, when handle 9 drives baffle 10 in a second direction by shaft 8
(The second direction can be clockwise)Rotate third predetermined angle(The third predetermined angle can be 45 degree)When, first
Limiting plate 11, the second limiting plate 12 and third limiting plate 13 are with shackle portion from the second limiting plate 12 is supported with positioning column 16
It connects, O-ring seals 6 are detached with cone tank, and underground engines sand box cover switches to open state by locking states.As it can be seen that in this reality
With in novel specific embodiment, by swing handle 9, locking and the unlatching of underground engines sand box cover just can be conveniently realized.
And in specific embodiment of the utility model, above-mentioned positioning column 16 is located inside O shape seal groove area defined, main to use
In when baffle 10 rotates pair the first limiting plate 11 and the second limiting plate 12 limit, be advantageously implemented underground engines sand box cover
Locking and unlatching.
Optionally, in specific embodiment of the utility model, the axis of above-mentioned positioning column 16 is with horizontal angle
5th predetermined angle.Wherein, the 5th predetermined angle can be 67 degree, so that positioning column 16 can be limited accurately to first
Plate 11 and the second limiting plate 12 are limited, and locking and the unlatching of underground engines sand box cover are advantageously implemented.
And when subway locomotive sand box lid is in open state, cover board 5 is by connecting rod 17 around rotary screw along third direction
(The third direction can be the direction far from cover board seat 1)Rotate the 4th predetermined angle(4th predetermined angle can be 90
Degree), the one end of spring catch 4 far from supporting rack 3 can be located in the limit hole 14 on connecting rod 17, to open cover board 5, and realization pair
The limit of cover board 5, convenient for when sand deficiency, adding sand into sandbox by cover board seat 1 in sandbox.
It can be seen that in specific embodiment of the utility model, since the inner surface of cover board 5 is equipped with O shape seal grooves, and
O-ring seals 6 are equipped in O shapes seal groove, and when underground engines sand box cover is in locking states, 6 insert cover of O-ring seals
In cone tank on the one end of panel seat 1 far from sandbox, to greatly promote the leakproofness of underground engines sand box cover, work as subway in addition
When locomotive sand box lid is in locking states, by swing handle 9, handle 9 is made to drive baffle 10 to revolve in a second direction by shaft 8
Turn third predetermined angle, the first limiting plate 11, the second limiting plate 12 and third limiting plate 13 on baffle 10 with cover board seat 1
Far from sandbox one end inner wall on shackle portion from, underground engines sand box cover switches to open state by locking states, from
And achieve the effect that easily to open sand box cover in a limited space.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, it can also make several improvements and retouch, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (4)
1. a kind of underground engines sand box cover, which is characterized in that including:
Cover board seat, cover board seat bottom are equipped with multiple U-lags, and cover board seat bottom is installed on by the multiple U-lag
The bottom of underground engines, and be hollow structure inside the cover board seat, the hollow structure is connected with the sandbox of underground engines;
Supporting rack, one end of support frame as described above are connect with the cover board seat, one end that the other end passes through rotary screw and a connecting rod
Rotation connection, and support frame as described above is equipped with spring catch;
Cover board, the other end of the connecting rod are connect with the cover board, and the inner surface of the cover board is equipped with O shape seal grooves, the O shapes
O-ring seals are equipped in seal groove, the cover board middle part is equipped with shaft set, the O shapes sealing along the thickness direction of the cover board
The center of slot is located on the axis of shaft set, is equipped with shaft in the shaft set, the first end of the shaft exposes to institute
The first end for stating shaft set is connect with leader, and the second end of the shaft exposes to the second end and a baffle of the shaft set
Connection, is disposed with the first limiting plate, the second limiting plate and third limiting plate on the baffle, second limiting plate with
Angle between first limiting plate and the third limiting plate is the first predetermined angle;
Wherein, described when the handle drives the baffle to be rotated in a first direction the second predetermined angle by the shaft
First limiting plate, second limiting plate and the third limiting plate with the described one end of cover board seat far from the sandbox
Clamping portion clamping on inner wall, first limiting plate are abutted with the positioning column for being set to the cover inner surface, and the O shapes are close
Seal is embedded in the cone tank on the described one end of cover board seat far from the sandbox, and the underground engines sand box cover is by open state
Switch to locking states;When the handle drives the baffle to rotate in a second direction third predetermined angle by the shaft
When, first limiting plate, second limiting plate and the third limiting plate are with the shackle portion from described second
Limiting plate is abutted with the positioning column, and the O-ring seals are detached with the cone tank, and the underground engines sand box cover is by locking
State switches to open state;When the underground engines sand box cover is in open state, the cover board is by the connecting rod around institute
When stating rotary screw along third direction four predetermined angle of rotation, the one end of the spring catch far from support frame as described above is located at described
In limit hole on connecting rod.
2. underground engines sand box cover according to claim 1, which is characterized in that the axis of the positioning column with it is horizontal
Angle is the 5th predetermined angle.
3. underground engines sand box cover according to claim 1, which is characterized in that cover board seat bottom and the subway machine
Rubber washer is equipped between the bottom of vehicle.
4. underground engines sand box cover according to claim 1, which is characterized in that the quantity of the U-lag is 4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820248869.1U CN207842935U (en) | 2018-02-11 | 2018-02-11 | Underground engines sand box cover |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820248869.1U CN207842935U (en) | 2018-02-11 | 2018-02-11 | Underground engines sand box cover |
Publications (1)
Publication Number | Publication Date |
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CN207842935U true CN207842935U (en) | 2018-09-11 |
Family
ID=63409654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820248869.1U Expired - Fee Related CN207842935U (en) | 2018-02-11 | 2018-02-11 | Underground engines sand box cover |
Country Status (1)
Country | Link |
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CN (1) | CN207842935U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112109749A (en) * | 2020-09-02 | 2020-12-22 | 株洲通城机车配件有限公司 | Sand box cover of electric locomotive |
-
2018
- 2018-02-11 CN CN201820248869.1U patent/CN207842935U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112109749A (en) * | 2020-09-02 | 2020-12-22 | 株洲通城机车配件有限公司 | Sand box cover of electric locomotive |
CN112109749B (en) * | 2020-09-02 | 2022-11-18 | 株洲通城机车配件有限公司 | Electric locomotive sand box cover |
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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 |
Granted publication date: 20180911 Termination date: 20200211 |
|
CF01 | Termination of patent right due to non-payment of annual fee |