CN207924362U - The lower support connector of projector screen's frame - Google Patents
The lower support connector of projector screen's frame Download PDFInfo
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- CN207924362U CN207924362U CN201820250902.4U CN201820250902U CN207924362U CN 207924362 U CN207924362 U CN 207924362U CN 201820250902 U CN201820250902 U CN 201820250902U CN 207924362 U CN207924362 U CN 207924362U
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- hole
- side wall
- tenon
- lower support
- connector
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Abstract
A kind of lower support connector of projector screen's frame,It include the connector matrix block with thickness,The surrounding side wall of connector matrix block is followed successively by first,Second,Third,4th side wall,The first side wall is equipped with the first tenon,Third side wall is equipped with the second tenon,Second or the 4th side wall be equipped with third tenon,The middle part of connector matrix block is equipped with a connection bolt relief hole,It is connected to by first through hole with the first side wall,It is connected to by the second through-hole with third side wall,Second,It is connected to by third through-hole between 4th side wall,First,Second,Third through-hole is stepped hole,First through hole is vertical with the first side wall,Its path mouth end is located at the first side wall,Second through-hole is vertical with third side wall,Its path mouth end is located at third side wall,Third through-hole and second sidewall,4th side wall is vertical,Side wall where its path mouth end is located at third tenon,The distance between the major diameter mouth end of first through hole and the major diameter mouth end of the second through-hole are more than the length of connection bolt.
Description
Technical field
The utility model is related to large screen projection field, more particularly to the lower support of a kind of projector screen's frame connects
Part.
Background technology
With the arrival of information age, the fast development of Computer Multimedia Technology, network technology it is commonly used, arrive greatly
The foundation of Command center, network management center, it is small to temporary meeting, the progress of technology lecture, all catch at big picture, colorful
Color, high brightness, high-resolution display effect, and traditional CRT monitor is difficult the requirement for meeting people's this respect.In recent years
Become the large screen projector technology that develops rapidly and solve the effective way that colored big picture is shown, application range is into one
Step is expanded, and market is also because of the growth day animando of demand.
Projector screen's area that large screen projector technology uses is big, therefore, the frame for installing projector screen
Size is also larger.Projector screen's frame constitutes rectangular frame structure by two crossbeams and two longerons by assembling, for the ease of
Production, storage and transportation, crossbeam, the longeron of projector screen's frame are to reach specified length by splicing by shorter proximate matter
Degree.However, the not lower installation fixed point supported in the stitching portion for the rectangular frame structure being spliced to form at present, it can only be in projector's screen
The lower support of both ends connection of curtain frame, since the matching used screen area of large screen projector is big, is easily influenced by crosswind, and frame
The crossbeam span of frame is long, and the stability of projector screen is cannot be guaranteed using two point-supported modes.
Invention content
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of lower support company of projector screen's frame
Fitting, it is simple in structure, processing cost is low, projector's cruciform bracing of designated length is constituted for connecting more compared with short material,
And projector's cruciform bracing junction is made to be connected with lower support, and/or for corner connection projector cruciform bracing, longeron, and
So that projector's frame corner junction is connected with lower support, realizes to projecting machine frame multi-point support, projector's screen is effectively ensured
The stability of curtain.
The technical solution of the utility model is：A kind of lower support connector of projector screen's frame, including with thickness
Connector matrix block, the connection bolt that the middle part of the connector matrix block is equipped with a through-connections matrix block thickness steps down
Hole, the connector matrix block is square, and the surrounding side wall of the connector matrix block of the square is followed successively by the first side wall,
Two side walls, third side wall, the 4th side wall, the first side wall are equipped with the first tenon, and the third side wall is equipped with the second tenon
Head, the second sidewall or the 4th side wall are equipped with third tenon, and each tenon is integrally formed with connector matrix block, each tenon
Truncation surface match with the truncation surface of frame section bar end face slot, the connection bolt relief hole and the first side wall pass through first
Through-hole is connected to, and connection bolt relief hole is connected to third side wall by the second through-hole, the second sidewall of connector matrix block, the 4th
It is connected to by third through-hole between side wall, the first through hole, the second through-hole, third through-hole are stepped hole, and described first is logical
Hole is vertical with the first side wall, and path mouth end is located at the first side wall center, and second through-hole is vertical with third side wall, path
Mouth end is located at third side wall center, and the third through-hole is vertical with second sidewall, the 4th side wall, and path mouth end is located at third tenon
The center of side wall where head, the distance between the major diameter mouth end of first through hole and the major diameter mouth end of the second through-hole are more than connection bolt
Length.
The development length of each tenon is 10-15mm.
The connection bolt relief hole is slotted eye, and long axis and first through hole, the second through-hole of slotted eye are located at together
On one straight line, and more than the length of connection bolt.
The connection bolt relief hole be circular hole, first through hole, the second through-hole center line pass through circular hole the center of circle, circular hole
Diameter be more than connection bolt length.
First tenon, the second tenon, third tenon are two, and two tenon axial symmetry are arranged in corresponding side wall
On, the through-hole on each side wall is located between two tenons.
First tenon, the second tenon, third tenon are two, and two tenons are distributed along through-hole central symmetry, position
In on the same diagonal line of side wall.
First tenon, the second tenon, third tenon are two, and two tenons are arranged side by side and spaced, two tenons
Head is located at the same side of through-hole.
First tenon, the second tenon, third tenon are four, and each two tenon is one group, two groups of tenon axis pair
Claim to be arranged on corresponding side wall, the through-hole on each side wall is located between two groups of tenons.
It is had the advantages that using above-mentioned technical proposal：
The lower support connector of projector screen's frame includes the connector matrix block for having thickness, the connector matrix
Block is square, the surrounding side wall of the connector matrix block of the square be followed successively by the first side wall, second sidewall, third side wall,
4th side wall, the first side wall be equipped with the first tenon, the third side wall be equipped with the second tenon, the second sidewall or
The 4th side wall of person is equipped with third tenon, and each tenon is integrally formed with connector matrix block, the truncation surface and frame-type of each tenon
The truncation surface of material end face slot matches, and the two of which tenon in the first tenon, the second tenon, third tenon is in opposite direction
Extend, a remaining tenon is vertical with the tenon that two extend in opposite directions, and two tenons extended in opposite directions are used
Projector's cruciform bracing of designated length is constituted in connection section bar, a remaining tenon is used to connect with lower support, to projection
Machine frame crossbeam junction forms support, alternatively, the tenon extended in opposite directions is connected with projector frame rails, edge
Another tenon that opposite direction extends is connected with lower support, and a remaining tenon is used for the crossbeam phase with projection machine frame
Even, support is formed to the corner for projecting machine frame, realizes to projecting machine frame multi-point support, projector screen is effectively ensured
Stability.The middle part of the connector matrix block is equipped with the connection bolt relief hole of a through-connections matrix block, connects bolt
Relief hole is connected to the first side wall by first through hole, and connection bolt relief hole is connected to third side wall by the second through-hole, even
It is connected to by third through-hole between the second sidewall of fitting matrix block, the 4th side wall, the first through hole, the second through-hole, third
Through-hole is stepped hole, and the first through hole is vertical with the first side wall, and path mouth end is located at the first side wall center, is connected for assembly
The proximate matter being connected on the first side wall is strained and fixed by connecting bolt；Second through-hole is vertical with third side wall, path mouth end
Positioned at third side wall center, it is used for assembly connection bolt, the proximate matter being connected on third side wall is strained and fixed；The third is logical
Hole is vertical with second sidewall, the 4th side wall, and the center of side wall where path mouth end is located at third tenon is used for assembly connection spiral shell
Bolt, will be connected to second or the 4th proximate matter on side wall be strained and fixed.It is strained and fixed by connecting bolt, is ensureing that connection is strong
Under the premise of degree, also have the advantages that connection, dismantle it is quick and easy.The major diameter at the major diameter mouth end and the second through-hole of first through hole
The distance between mouth end is more than the length of connection bolt, reserves for connecting bolts assemblies into the sky in first through hole, the second through-hole
Between.
Since the height of projection of the first tenon, the second tenon, third tenon is 10-15mm, it is highly resistant to each proximate matter phase
To the shearing force of connector matrix block, ensure stable connection.
It is further described with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is the utility model axonometric drawing；
Fig. 2 is the utility model structure diagram；
Fig. 3 is the A direction views of Fig. 2；
Fig. 4 is the B-B sectional views of Fig. 3；
Fig. 5 is the C-C sectional views of Fig. 2；
Fig. 6 is the D-D sectional views of Fig. 2.
In attached drawing, 1 is connector matrix block, and 2 be the first side wall, and 3 be second sidewall, and 4 be third side wall, and 5 be the 4th side
Wall, 6 be the first tenon, and 7 be the second tenon, and 8 be third tenon, and 9 be connection bolt relief hole, and 10 be first through hole, and 11 be the
Two through-holes, 12 be third through-hole.
Specific implementation mode
It is a kind of specific embodiment of the lower support connector of projector screen's frame referring to Fig. 1 to Fig. 6.Projector's screen
The lower support connector of curtain frame includes the connector matrix block 1 for having thickness, the thickness of connector matrix block and the thickness of proximate matter
Degree is adapted.The connector matrix block 1 is square, and the surrounding side wall of the connector matrix block 1 of the square is followed successively by
One side wall 2, second sidewall 3, third side wall 4, the 4th side wall 5, the first side wall 2 are equipped with the first tenon 6, the third side
Wall 4 is equipped with the second tenon 7, and the second sidewall 3 or the 4th side wall 5 are equipped with third tenon 8, each tenon and connector base
Body block 1 is integrally formed, and in the present embodiment, first tenon 6, the second tenon 7, third tenon 8 pass through with connector matrix block 1
Aluminium alloy integrally casting shaping is made, and the development length of each tenon is 10-15mm, truncation surface and the frame section bar end face of each tenon
The truncation surface of slot matches, and frame section bar is used to connect and compose the crossbeam or longeron of the projection machine frame of long length, under
Support uses the frame section bar of same model.The middle part of the connector matrix block 1 is equipped with the company of a through-connections matrix block 1
Connecting bolt relief hole 9, connection bolt relief hole 9 are connected to the first side wall 2 by first through hole 10, connection bolt relief hole 9 and
Third side wall 4 is connected to by the second through-hole 11, logical by third between the second sidewall 3 of connector matrix block 1, the 4th side wall 5
Hole 12 is connected to, and the first through hole 10, the second through-hole 11, third through-hole 12 are stepped hole, the first through hole 10 and first
Side wall 2 is vertical, and path mouth end is located at 2 center of the first side wall, and second through-hole 11 is vertical with third side wall 4, path mouth
End is located at 4 center of third side wall, and the third through-hole 12 is vertical with second sidewall 3, the 4th side wall 5, and path mouth end is positioned at the
The center of three tenons, 8 place side wall, the distance between the major diameter mouth end of first through hole 10 and the major diameter mouth end of the second through-hole 11 are big
In the length of connection bolt, in the present embodiment, the connection bolt relief hole 9 is slotted eye, the long axis of slotted eye and the
One through-hole 10, the second through-hole 11 are located along the same line, and more than the length of connection bolt, the connection bolt relief hole 9
May be configured as circular hole, first through hole 10, the second through-hole 11 center line pass through the center of circle of circular hole, the diameter of circular hole to be more than connection spiral shell
The length of bolt, first tenon 6, the second tenon 7, third tenon 8 quantity be four, each two tenon be one group, two
Group tenon axial symmetry is arranged on corresponding side wall, and the through-hole on each side wall is located between two groups of tenons.It also can be by described first
Tenon 6, the second tenon 7, the setting of third tenon 8 are two, and two tenon axial symmetry are arranged on corresponding side wall, each side wall
On through-hole be located between two tenons, two tenons can also be distributed along through-hole central symmetry, on the same diagonal line of side wall,
Or two tenons are arranged side by side and spaced, two tenons are located at the same side of through-hole,
When the utility model is connect with frame section bar, for connecting into the crossbeam of projection machine frame designated length, by the
One end of one section of shorter frame section bar is connected by tenon, slot, is fixed on the first side wall of connector matrix block, and with
The first side wall is vertical, is put into first through hole by the first connection bolt, the screw rod of the connection bolt passes through the path of first through hole
Mouth end, nut are located at the major diameter section of first through hole, are limited by step, the shorter frame section bar of first segment is strained and fixed；Second
One end of the shorter frame section bar of section is connected by tenon, slot, is fixed on the third side wall of connector matrix block, and with the
Three side walls are vertical, are put into the second through-hole by the second connection bolt, the screw rod of the connection bolt passes through the path of the second through-hole
Mouth end, nut are located at the major diameter section of the second through-hole, are limited by step, the shorter frame section bar of second segment is strained and fixed；Ensure the
The shorter frame section bar of one section shorter of frame section bar and second segment is located along the same line.By the shorter frame section bar of third section
As lower support, the upper end is connected by tenon, slot, is fixed on the side wall directed downwardly of connector matrix block, and with the side
Wall is vertical, and connecting bolt by third is put into third through-hole, and the screw rod of the connection bolt passes through the path mouth end of third through-hole, spiral shell
Cap is located at the major diameter section of third through-hole, is limited by step, and third segment frames proximate matter is fixed, and is formed and is supported to junction.Similarly,
The other shorter frame section bar of the utility model connection can be passed through in the other end of the shorter frame section bar of first segment, second segment
With extending length, and is formed and supported in junction.
When connecting projector's frame corner, the longeron for projecting machine frame is connect and is strained and fixed with the first tenon, thrown
The crossbeam of shadow machine frame connect and is strained and fixed with third tenon, and longeron is in 90 ° of angles with crossbeam, and lower support connects with the second tenon
It connects and is strained and fixed, longeron is located along the same line with lower support, is formed to the support at projector's frame corner.
Claims (8)
1. a kind of lower support connector of projector screen's frame, it is characterised in that：It include the connector matrix block with thickness
（1）, the connector matrix block（1）Middle part be equipped with a through-connections matrix block（1）The connection bolt relief hole of thickness
（9）, the connector matrix block（1）It is square, the connector matrix block of the square（1）Surrounding side wall be followed successively by first
Side wall（2）, second sidewall（3）, third side wall（4）, the 4th side wall（5）, the first side wall（2）It is equipped with the first tenon（6）,
The third side wall（4）It is equipped with the second tenon（7）, the second sidewall（3）Or the 4th side wall（5）It is equipped with third tenon
（8）, each tenon and connector matrix block（1）It is integrally formed, the truncation surface of the truncation surface and frame section bar end face slot of each tenon
It matches, the connection bolt relief hole（9）With the first side wall（2）Pass through first through hole（10）Connection connects bolt relief hole
（9）With third side wall（4）Pass through the second through-hole（11）Connection, connector matrix block（1）Second sidewall（3）, the 4th side wall（5）
Between pass through third through-hole（12）Connection, the first through hole（10）, the second through-hole（11）, third through-hole（12）It is ladder
Hole, the first through hole（10）With the first side wall（2）Vertically, path mouth end is located at the first side wall（2）Center, described second is logical
Hole（11）With third side wall（4）Vertically, path mouth end is located at third side wall（4）Center, the third through-hole（12）With second
Side wall（3）, the 4th side wall（5）Vertically, path mouth end is located at third tenon（8）The center of place side wall, first through hole（10）
Major diameter mouth end and the second through-hole（11）The distance between major diameter mouth end be more than the length of connection bolt.
2. the lower support connector of projector screen's frame according to claim 1, it is characterised in that：The extension of each tenon
Length is 10-15mm.
3. the lower support connector of projector screen's frame according to claim 1, it is characterised in that：The connection bolt
Relief hole（9）For slotted eye, the long axis and first through hole of slotted eye（10）, the second through-hole（11）It is located along the same line,
And more than the length of connection bolt.
4. the lower support connector of projector screen's frame according to claim 1, it is characterised in that：The connection bolt
Relief hole（9）For circular hole, first through hole（10）, the second through-hole（11）Center line pass through the center of circle of circular hole, the diameter of circular hole is big
In the length of connection bolt.
5. the lower support connector of projector screen's frame according to claim 1, it is characterised in that：First tenon
（6）, the second tenon（7）, third tenon（8）It it is two, two tenon axial symmetry are arranged on corresponding side wall, on each side wall
Through-hole be located between two tenons.
6. the lower support connector of projector screen's frame according to claim 1, it is characterised in that：First tenon
（6）, the second tenon（7）, third tenon（8）It it is two, two tenons are distributed along through-hole central symmetry, are located at side wall with a pair of
On linea angulata.
7. the lower support connector of projector screen's frame according to claim 1, it is characterised in that：First tenon
（6）, the second tenon（7）, third tenon（8）It it is two, two tenons are arranged side by side and spaced, and two tenons are located at through-hole
The same side.
8. the lower support connector of projector screen's frame according to claim 1, it is characterised in that：First tenon
（6）, the second tenon（7）, third tenon（8）It it is four, each two tenon is one group, and two groups of tenon axial symmetry are arranged in correspondence
Side wall on, through-hole on each side wall is located between two groups of tenons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820250902.4U CN207924362U (en) | 2018-02-12 | 2018-02-12 | The lower support connector of projector screen's frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820250902.4U CN207924362U (en) | 2018-02-12 | 2018-02-12 | The lower support connector of projector screen's frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207924362U true CN207924362U (en) | 2018-09-28 |
Family
ID=63600376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820250902.4U Active CN207924362U (en) | 2018-02-12 | 2018-02-12 | The lower support connector of projector screen's frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207924362U (en) |
-
2018
- 2018-02-12 CN CN201820250902.4U patent/CN207924362U/en active Active
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| GR01 | Patent grant |