CN207493732U - A kind of leg structure of collapsible of pantograph testboard - Google Patents
A kind of leg structure of collapsible of pantograph testboard Download PDFInfo
- Publication number
- CN207493732U CN207493732U CN201721413127.1U CN201721413127U CN207493732U CN 207493732 U CN207493732 U CN 207493732U CN 201721413127 U CN201721413127 U CN 201721413127U CN 207493732 U CN207493732 U CN 207493732U
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- CN
- China
- Prior art keywords
- arc
- table leg
- spring piece
- shaped spring
- fastening rod
- 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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- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 11
- 239000013013 elastic material Substances 0.000 claims abstract description 4
- 206010058109 Hangnail Diseases 0.000 claims description 12
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The utility model discloses a kind of leg structure of collapsible of pantograph testboard, including the first table leg being set to below desktop, the first table leg inside is telescopic cavity, and the second table leg is equipped in telescopic cavity, and the second table leg bottom is equipped with feet；First table leg is equipped with sliding slot, and latch segment is equipped in sliding slot, and latch segment is connect with top-fastening rod one end, and the top-fastening rod other end rotatably assembles after passing through arc-shaped spring piece, protective shell with locking head；Top-fastening rod holds out against with arc-shaped spring piece and contacts with being equipped with arc block plate, arc block plate on the right side of arc-shaped spring piece contact position；Arc-shaped spring piece is made of elastic material；Including, installation cavity, arc-shaped spring piece is equipped in installation cavity for protective shell；It opposite can be slided between top-fastening rod and protective shell, locking cylinder be additionally provided on protective shell, top-fastening rod passes through locking cylinder；The inner cylinder of locking drum outer wall and locking head is assembled by threaded engagement；Latch segment and the second table leg hold out against fixation.The utility model is simple in structure, easy to use.
Description
Technical field
The utility model is related to test equipment technology field more particularly to a kind of leg structure of collapsible of pantograph testboard.
Background technology
Pantograph is mounted on the roof of locomotive or motor-car, it obtains the electrical of electric energy in electrically-driven car from contact net
Equipment, pantograph can be divided to single armed bow and both arms to bend two kinds, by slide plate, upper frame, lower arm rod, chassis, rising bow spring, transmission gas
The components such as cylinder composition, load current are by contact line and the smooth degree of pantograph pan contact surface, it and slide plate and contact line
Between contact, transition resistance, contact area it is related, depending on the interaction between pantograph and contact net.
The height of current existing pantograph dynamic characteristic test experimental bench is all fixed mostly, it is not possible to be adjusted
Section, still, operator needs to be adjusted the height of experimental bench according to itself raising and is tested or made with better completion sometimes
User uses more comfortable, uses due to the use of person that uncomfortable have can if testing stand height cannot adjust
Test efficiency can be caused low and increase the body burden of user.
Therefore applicant feels the need to design a kind of leg structure of collapsible of pantograph testboard, can be according to user
The height of actual needs adjustment pantograph testboard, so that user uses more comfortably.
Utility model content
In view of the drawbacks described above of the prior art, the technical problem to be solved by the utility model is to provide a kind of pantographs
The leg structure of collapsible of testboard.
To achieve the above object, the utility model provides a kind of leg structure of collapsible of pantograph testboard, including being set to
The first table leg below desktop, first table leg inside are telescopic cavity, and the second table leg, institute are equipped in the telescopic cavity
The the second table leg bottom stated is equipped with feet；
First table leg is equipped with sliding slot, is equipped with latch segment in the sliding slot, the latch segment is with holding out against
Bar one end connects, and the top-fastening rod other end rotatably assembles after passing through arc-shaped spring piece, protective shell with locking head；
The top-fastening rod is with being equipped with arc block plate, the arc block plate and arc bullet on the right side of arc-shaped spring piece contact position
Reed holds out against contact；The arc-shaped spring piece is made of elastic material；
Including, installation cavity, arc-shaped spring piece is equipped in the installation cavity for the protective shell；
It opposite can be slided between the top-fastening rod and protective shell, be additionally provided with locking cylinder on the protective shell, hold out against
Bar passes through locking cylinder；The locking drum outer wall and the inner cylinder of locking head are assembled by threaded engagement；The latch segment and
Two table legs hold out against fixation.
As further improvement of the utility model, the feet external stability has one layer of rubber layer.
As further improvement of the utility model, the arc-shaped spring piece surrounding and four sides in installation cavity are equal
There is at least 3 millimeters of distance.
As further improvement of the utility model, the first table leg is hinged with desktop, and table leg can be relatively rotated with desktop.
As further improvement of the utility model, the latch segment is equipped with the second hangnail, second table leg
The first hangnail is equipped with latch segment contact surface, first hangnail and the second hangnail are mutually twisted fixation.
As further improvement of the utility model, the locking head is equipped with rounded channels, and the rounded channels are with setting
The spherical surface put on top-fastening rod rotatably assembles, and lubricating oil is equipped between the rounded channels and spherical surface.
The beneficial effects of the utility model are：The utility model is simple in structure, easy to use, can be to the height of experimental bench
It is adjusted, is conducive to staff and is preferably tested and easy to operate.
Description of the drawings
Fig. 1 is a kind of structure diagram of the leg structure of collapsible specific embodiment of pantograph testboard of the utility model.
Fig. 2 is enlarged drawing at F1 in Fig. 1.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
Referring to Fig. 1-Fig. 2, a kind of leg structure of collapsible of pantograph testboard, including the first table being set to below desktop 100
Leg 200,200 inside of the first table leg is telescopic cavity 201, and the second table leg 300, institute are equipped in the telescopic cavity 201
300 bottom of the second table leg stated is equipped with feet 310, and 310 external stability of feet has one layer of rubber layer, and rubber layer is used to increase
Add the frictional force of feet 310 and ground, to prevent table leg from sliding；
First table leg 200 is equipped with sliding slot 202, and latch segment 510 is equipped in the sliding slot 202, described
Latch segment 510 is connect with 520 one end of top-fastening rod, and 520 other end of top-fastening rod passes through arc-shaped spring piece 710, protective shell 600
It is rotatably assembled with locking head 530 afterwards；
The top-fastening rod with being equipped with arc block plate 720 on the right side of 710 contact position of arc-shaped spring piece, the arc block plate with
Arc-shaped spring piece 710 holds out against contact；
The arc-shaped spring piece is made of elastic material, such as elastic sheet metal, flexible plastic sheet；
Including, installation cavity 601, arc-shaped spring piece 710 is equipped in the installation cavity 601 for the protective shell 600,
710 surrounding of arc-shaped spring piece has at least 3 millimeters of distance with four sides in installation cavity, this is primarily to give
The deformation offer of arc-shaped spring piece allows bit space；
It opposite can be slided between the top-fastening rod 520 and protective shell 600（It is moved in its axial direction in top-fastening rod）, institute
Locking cylinder 610 is additionally provided on the protective shell 600 stated, top-fastening rod 520 passes through locking cylinder 610；
610 outer wall of locking cylinder and the inner cylinder 532 of locking head 530 is assembled by threaded engagement；
The latch segment and the second table leg holds out against fixation；
When needing to adjust table leg height, first, locking head is rotated so that locking head moves right, at this point, the top
Tight bar can move right under the action of arc-shaped spring piece is detached from the second table leg so that latch segment to be driven to move right, at this time
Second table leg is extracted out from telescopic cavity to adjust its height.
Further, four table legs are equipped with below the desktop, it, can be by the in order to which aspect adjusts table leg height one by one
One table leg is hinged with desktop, can be first by table leg in this way before table leg length is adjusted so as to make table leg that can be relatively rotated with desktop
Rotation, so that table leg adjusts again after not contacted with bottom surface so that table leg adjustment is more convenient.
Further, the latch segment 410 is equipped with the second hangnail 420, and second table leg is contacted with latch segment
Face is equipped with the first hangnail 410, and first hangnail and the second hangnail are mutually twisted fixation, so as to improve latch segment and second
Frictional force between table leg is preferably to fix the second table leg.
Further, the locking head 530 is equipped with rounded channels 531, and the rounded channels 531 are with being arranged on top-fastening rod
Spherical surface 521 on 520 rotatably assembles, and lubricating oil is equipped between the rounded channels and spherical surface.In use, this structure can
To reduce the frictional force between top-fastening rod and locking head, the user so as to make is more laborsaving.
The preferred embodiment of the utility model described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to the design of the utility model in domain
Available technical solution is tested, it all should be in the protection domain being defined in the patent claims.
Claims (6)
1. a kind of leg structure of collapsible of pantograph testboard, including, the first table leg being set to below desktop, it is characterized in that：It is described
The first table leg inside for telescopic cavity, the second table leg is installed, the second table leg bottom is equipped with table in the telescopic cavity
Foot；
First table leg is equipped with sliding slot, and latch segment, the latch segment and top-fastening rod one are equipped in the sliding slot
End connection, the top-fastening rod other end rotatably assemble after passing through arc-shaped spring piece, protective shell with locking head；
The top-fastening rod is with being equipped with arc block plate, the arc block plate and arc-shaped spring piece on the right side of arc-shaped spring piece contact position
Hold out against contact；The arc-shaped spring piece is made of elastic material；
Including, installation cavity, arc-shaped spring piece is equipped in the installation cavity for the protective shell；
It opposite can be slided between the top-fastening rod and protective shell, be additionally provided with locking cylinder on the protective shell, top-fastening rod is worn
Cross locking cylinder；The locking drum outer wall and the inner cylinder of locking head are assembled by threaded engagement；The latch segment and the second table
Leg holds out against fixation.
2. a kind of leg structure of collapsible of pantograph testboard as described in claim 1, it is characterized in that：The feet external stability
There is one layer of rubber layer.
3. a kind of leg structure of collapsible of pantograph testboard as described in claim 1, it is characterized in that：The arc-shaped spring piece four
Week has at least 3 millimeters of distance with four sides in installation cavity.
4. a kind of leg structure of collapsible of pantograph testboard as described in claim 1, it is characterized in that：First table leg is cut with scissors with desktop
It connects, table leg can be relatively rotated with desktop.
5. a kind of leg structure of collapsible of pantograph testboard as described in claim 1, it is characterized in that：The latch segment is equipped with
Second hangnail, second table leg are equipped with the first hangnail, first hangnail and the second hangnail with latch segment contact surface
It is mutually twisted fixation.
6. a kind of leg structure of collapsible of pantograph testboard as described in claim 1, it is characterized in that：The locking head is equipped with
Rounded channels, the rounded channels are rotatably assembled with the spherical surface being arranged on top-fastening rod, and between the rounded channels and spherical surface
Equipped with lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721413127.1U CN207493732U (en) | 2017-10-30 | 2017-10-30 | A kind of leg structure of collapsible of pantograph testboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721413127.1U CN207493732U (en) | 2017-10-30 | 2017-10-30 | A kind of leg structure of collapsible of pantograph testboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207493732U true CN207493732U (en) | 2018-06-15 |
Family
ID=62501920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721413127.1U Expired - Fee Related CN207493732U (en) | 2017-10-30 | 2017-10-30 | A kind of leg structure of collapsible of pantograph testboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207493732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715941A (en) * | 2017-10-30 | 2018-02-23 | 大同新成新材料股份有限公司 | A kind of leg structure of collapsible of pantograph testboard |
-
2017
- 2017-10-30 CN CN201721413127.1U patent/CN207493732U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715941A (en) * | 2017-10-30 | 2018-02-23 | 大同新成新材料股份有限公司 | A kind of leg structure of collapsible of pantograph testboard |
| CN107715941B (en) * | 2017-10-30 | 2023-03-14 | 大同新成新材料股份有限公司 | Table leg structure of pantograph testboard |
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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: 20180615 |