CN211040322U

CN211040322U - Supplementary spacing fixed bolster based on projecting apparatus installation

Info

Publication number: CN211040322U
Application number: CN201922256577.XU
Authority: CN
Inventors: 耿涛; 王玟; 朱南宁
Original assignee: Nanjing Forestry University
Current assignee: Jiangsu Qianjing ecological environment planning and Design Institute Co., Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-07-17
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses an supplementary spacing fixed bolster based on projecting apparatus installation relates to projecting apparatus mounting bracket technical field, has solved current fixed bolster, generally adopts the thread tightening mode and carries out locking connection with the projecting apparatus, need to lift the projecting apparatus for a long time and screw up the locking bolt in proper order, causes the installation location of projecting apparatus and dismantles the problem that the operation is all comparatively loaded down with trivial details inconvenient of taking off.

Description

Supplementary spacing fixed bolster based on projecting apparatus installation

Technical Field

The utility model relates to a projecting apparatus mounting bracket technical field specifically is a supplementary spacing fixed bolster based on projecting apparatus installation.

Background

The projector is an optical instrument which uses an optical element to enlarge the outline of a workpiece and project the outline onto a shadow screen, and the shadow screen has a wide application in meeting training. Most projectors are installed by a hanger, i.e., the hanger is fixed to the ceiling, and then the projector is installed at the lower portion of the hanger.

For example, patent No. cn201620931800.x discloses a projector hoisting mechanism, and particularly relates to a projector hanger. The utility model discloses a projector hanger includes wall crown mounting, combination connecting rod, projector mount bracket and two power winder, the wall crown mounting is fixed in the wall crown, the vertical setting of combination connecting rod, and its upper end connects the middle part of wall crown mounting, projector mount bracket level sets up, and the middle part at its top is articulated with the lower extreme of combination connecting rod, projector mount bracket both sides can be around its and the articulated luffing motion of department of combination connecting rod lower extreme, two the power winder symmetry is installed wall crown mounting both sides with the position that projector mount bracket both sides correspond, just it has the cotton rope to coil on the power winder, the cotton rope is connected respectively projector mount bracket both sides. The advantages are that: simple structure, the dismouting combination of being convenient for does benefit to later stage and overhauls, maintains, simultaneously, is convenient for adjust the pivot angle of projecting apparatus through the gallows, and it is more convenient to use.

The existing fixing bracket generally adopts a thread fixing mode to be in locking connection with the projector, the projector needs to be lifted for a long time and locking bolts are screwed in sequence, the installation positioning and the disassembly of the projector are inconvenient, and each type of projection needs to be manufactured and provided with a special fixing and mounting bracket, so that the universality is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a supplementary spacing fixed bolster based on projecting apparatus installation to the generally adopted screw thread fixed mode that proposes in solving above-mentioned background carries out locking connection with the projecting apparatus, need lift the projecting apparatus for a long time and screw up the locking bolt in proper order, causes the installation location of projecting apparatus and dismantles and take off the operation all comparatively loaded down with trivial details inconvenience, and each kind of projection need make and is equipped with special fixed mounting bracket, the relatively poor problem of commonality.

In order to achieve the purpose, the utility model provides a supplementary spacing fixed bolster based on projector installation, including the projector, hang the frame, arm-tie and L form inserted bar, the projector supports and places in the top of installation layer board, and seven equidistant penetration chutes that arrange on the installation layer board, and the total eight splint of left and right sides slip in four spouts that correspond around being symmetrical, the top middle part of hanging the frame upwards supports there is a flexible jib, the bottom middle part of installation layer board alternates and installs a sliding shaft, the tail end of arm-tie is bent and is welded to the inboard support and has a department, the head end section of L form inserted bar is the setting of slope slicing.

Preferably, the splint comprise connecting rods, the left group and the right group are respectively welded at the bottom of the splint and are connected with a connecting plate, and a connecting rod is rotatably connected to a middle rotating shaft at the bottom of the connecting plate at the four positions.

Preferably, the mounting support plate comprises a threaded fixing shaft and a positioning shaft, one positioning shaft is supported and welded in the first, second, fourth and fifth sliding grooves on the mounting support plate, and eight clamping plates are arranged on the four positioning shafts in a left-right corresponding sliding sleeve manner; two threaded fixing shafts are symmetrically welded on the left side and the right side of the mounting support plate, and the hanging frame is sleeved, locked and connected on the two threaded fixing shafts.

Preferably, the sliding shaft comprises a positioning square rod and a positioning ring, four cross support plates are symmetrically welded at the front end and the rear end of the sliding shaft, and the head ends of the four connecting rods are connected with the four cross support plates in a left-right corresponding mode; the rear end of the sliding shaft is supported and welded with a positioning square rod, and a positioning ring is sleeved and welded on the middle section of the positioning square rod.

Preferably, a row of positioning teeth are supported and arranged on the end face of the outer side of the pulling plate, the pulling plate slides on the rear half section of the positioning square rod through a tail end sliding ring sleeve, and a spring is sleeved on the rod section between the tail end sliding ring of the pulling plate and the positioning ring in a compression mode.

Preferably, the middle position of the rear side of the bottom of the mounting supporting plate is provided with an L-shaped inserted bar through a spring pushing hanging support in an inserting mode, and the inclined planing section at the head end of the L-shaped inserted bar can be in top-sliding inserting fit with the inclined plane of the row of positioning teeth on the outer side of the pulling plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the four groups of clamping plates can slide oppositely along the four positioning shafts to clamp and position projectors with different length specifications, and the application is wide;

2. the utility model discloses a four connecting rods, four group's splint and slide-spindle have constituteed a four connecting rods clamping mechanism that opens and shuts jointly, only need simple take out the smooth arm-tie backward just can make around two sets of connecting rods rotate the closure in step to drive four group's splint and implement swift nimble tight installation location of clamp to the projecting apparatus, and only need take out and take off L form inserted bars, push away under the top of spring on the square bar of location, can make four group's splint slide rapidly and loosen, the maintenance is taken off to the projecting apparatus to the convenience, the deashing or change.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the bottom three-dimensional structure of the present invention;

FIG. 4 is a schematic view of the connection and installation of four connecting rods according to the present invention;

FIG. 5 is a schematic view of a three-dimensional structure of the splint of the present invention;

FIG. 6 is a schematic view of the pulling plate structure of the present invention;

in the figure, the projector 1, the mounting support plate 2, the thread fixing shaft 201, the positioning shaft 202, the hanging frame 3, the clamping plate 4, the connecting rod 401, the pulling plate 5, the sliding shaft 6, the positioning square rod 601, the positioning ring 602 and the insertion rod 7 and L are arranged.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 6, the utility model provides an embodiment of an auxiliary limiting fixing bracket based on projector installation, including projector 1, hanging frame 3, arm-tie 5 and L-shaped inserted bar 7, projector 1 is supported and placed on the top of installation supporting plate 2, seven through chutes are equidistantly arranged on installation supporting plate 2, eight clamping plates 4 of left and right groups are symmetrically and slidably inserted in four chutes corresponding to each other in front and back, clamping plate 4 includes a connecting rod 401, a support connecting plate is welded at the bottom of each of the four clamping plates 4, a connecting rod 401 is rotatably connected on a middle rotating shaft at the bottom of the support connecting plate, a telescopic hanger rod is upwards supported in the middle of the top of hanging frame 3, a sliding shaft 6 is inserted and installed in the middle of the bottom of installation supporting plate 2, a sliding ring is welded at the bent tail end of arm-tie 5 to the inner side support, and the head end section of L-shaped inserted bar 7 is obliquely cut.

Further, the mounting support plate 2 comprises a threaded fixing shaft 201 and a positioning shaft 202, the positioning shaft 202 is supported and welded in the first, second, fourth and fifth sliding grooves on the mounting support plate 2, and the eight clamping plates 4 are arranged on the four positioning shafts 202 in a left-right corresponding sliding manner; two threaded fixing shafts 201 are symmetrically welded on the left side and the right side of the mounting support plate 2, the hanging frame 3 is sleeved, locked and connected on the two threaded fixing shafts 201, the four groups of clamping plates 4 can oppositely slide along the four positioning shafts 202 to clamp and position the projectors 1 with different length specifications, and the application is wide.

Further, the sliding shaft 6 comprises a positioning square rod 601 and a positioning ring 602, four cross support plates are symmetrically welded at the front end and the rear end of the sliding shaft 6, and the head ends of the four connecting rods 401 are correspondingly connected with the four cross support plates in a left-right mode; the rear end of the sliding shaft 6 is supported and welded with a positioning square rod 601, the middle section of the positioning square rod 601 is sleeved and welded with a positioning ring 602, the four connecting rods 401, the four groups of clamping plates 4 and the sliding shaft 6 jointly form a four-connecting-rod opening and closing clamping mechanism, the front and rear groups of connecting rods 401 can synchronously rotate and close through the mechanism only by simply pulling the sliding pull plate 5 backwards, and the four groups of clamping plates 4 are driven to quickly and flexibly clamp, install and position the projector 1.

Furthermore, a row of positioning teeth are supported and arranged on the end face of the outer side of the pulling plate 5, the pulling plate 5 slides on the rear half section of the positioning square rod 601 through a tail end sliding ring sleeve of the pulling plate 5, a spring is sleeved on a rod section between the tail end sliding ring of the pulling plate 5 and the positioning ring 602 in a compression mode, the spring can push the sliding shaft 6 backwards under the pushing action of the tail end sliding ring of the pulling plate 5, and the spring can provide movable allowance for the sliding of the pulling plate 5, so that the pulling plate 5 can continuously slide backwards to tighten when the four groups of clamping plates 4 clamp the projector 1, the L-shaped insertion rods 7 are connected with the row of positioning teeth on the outer side of the pulling plate 5 in an insertion mode, and the situation that the positioning teeth are just dislocated with the L-shaped insertion rods 7 when the four groups of clamping plates 4 clamp the projector 1 can not be combined and inserted.

Furthermore, the middle position of the rear side of the bottom of the mounting supporting plate 2 is provided with an L-shaped inserted bar 7 through a spring pushing hanging support in an inserting mode, the inclined planing section at the head end of the L-shaped inserted bar 7 can be in top sliding inserting matching with the inclined plane of a row of positioning teeth on the outer side of the pulling plate 5, the L-shaped inserted bar 7 can automatically carry out top inserting positioning on the pulling plate 5 when the pulling plate 5 slides backwards through the inclined plane top sliding matching with the positioning teeth, and the L-shaped inserted bar 7 is prevented from loosening and the clamping plates 4 at four positions are kept in a clamping and positioning posture.

The working principle is as follows: when the ceiling lamp is used, the hanging frame 3 is locked and hung on a ceiling, the projector 1 is placed at the top end of the mounting support plate 2, the sliding pull plate 5 is pulled backwards, the four groups of clamping plates 4 slide oppositely to clamp and position the projector 1, and the mounting and positioning process of the projector 1 is finished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An auxiliary limiting fixing bracket based on projector installation is characterized by comprising a projector (1), a hanging frame (3), a pulling plate (5) and L-shaped insertion rods (7), wherein the projector (1) is supported and placed at the top end of an installation supporting plate (2), seven positions of the installation supporting plate (2) are arranged at equal intervals and penetrate through sliding grooves, eight clamping plates (4) of a left group and a right group are symmetrically and slidably inserted into the four sliding grooves corresponding to the front and the back, a telescopic hanging rod is upwards supported in the middle of the top end of the hanging frame (3), a sliding shaft (6) is inserted and installed in the middle of the bottom of the installation supporting plate (2), the tail end of the pulling plate (5) is bent to the inner side and is welded with a sliding ring in a supporting mode, and the head end section of the L-shaped insertion rod (7) is obliquely planed and cut.

2. An auxiliary limit fixing bracket based on projector installation according to claim 1, characterized in that: splint (4) are including connecting rod (401), control four groups the bottom of splint (4) all welds and has a department to prop even board, and this department props all to overlap on the middle pivot of even board bottom and is changeed and connect a connecting rod (401).

3. An auxiliary limit fixing bracket based on projector installation according to claim 1, characterized in that: the mounting supporting plate (2) comprises a thread fixing shaft (201) and a positioning shaft (202), the positioning shaft (202) is supported and welded in the first sliding groove, the second sliding groove, the fourth sliding groove and the fifth sliding groove on the mounting supporting plate (2), and eight clamping plates (4) are arranged on the four positioning shafts (202) in a left-right corresponding sliding manner; two threaded fixing shafts (201) are symmetrically welded on the left side and the right side of the mounting supporting plate (2), and the hanging frame (3) is sleeved, rotated, locked and connected on the two threaded fixing shafts (201).

4. An auxiliary limit fixing bracket based on projector installation according to claim 1, characterized in that: the sliding shaft (6) comprises a positioning square rod (601) and a positioning ring (602), four cross supporting plates are symmetrically welded at the front end and the rear end of the sliding shaft (6), and the head ends of four connecting rods (401) are connected with the four cross supporting plates in a left-right corresponding mode; the rear end of the sliding shaft (6) is supported and welded with a positioning square rod (601), and a positioning ring (602) is sleeved and welded on the middle section of the positioning square rod (601).

5. An auxiliary limit fixing bracket based on projector installation according to claim 1, characterized in that: the outer side end face of the pulling plate (5) is provided with a row of positioning teeth in a supporting mode, the pulling plate (5) slides on the rear half section of the positioning square rod (601) through a tail end sliding ring sleeve, and a spring is sleeved on the rod section between the tail end sliding ring of the pulling plate (5) and the positioning ring (602) in a compression mode.

6. The auxiliary limit fixing bracket based on projector installation according to claim 1, characterized in that an L-shaped inserted bar (7) is inserted in the middle position of the rear side of the bottom of the installation supporting plate (2) through a spring pushing suspension support, and the inclined planing section at the head end of the L-shaped inserted bar (7) can be in top-sliding insertion fit with the inclined plane of a row of positioning teeth on the outer side of the pulling plate (5).