CN206284581U

CN206284581U - A kind of Political Teaching lectern for changing height

Info

Publication number: CN206284581U
Application number: CN201621069998.1U
Authority: CN
Inventors: 刘长华
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-09-18
Filing date: 2016-09-18
Publication date: 2017-06-30
Anticipated expiration: 2026-09-18

Abstract

The utility model discloses a kind of Political Teaching lectern for changing height, including desk body, the both sides of the desk body bottom have been fixedly connected with table leg, the table leg includes shell, bottom on the right side of the shell offers the first pin hole, the inner chamber of the shell runs through the bottom of shell and extends to the outside of shell through the first expansion link, the bottom of first expansion link is provided with, and one end that first expansion link is located at shell inner cavity is fixedly connected with the first fixture block.This can change the Political Teaching lectern of height, castor is installed by traditional Political Teaching lectern, when the lectern needs to move, lectern is pushed directly on regard to transportable effect, telescopic table leg is installed by traditional Political Teaching lectern, when regulation lectern height is needed, only needing to change the length stretched out of expansion link can just change the height of the lectern, both the use of user had been facilitated, operating efficiency had been also improved, the lectern had been worthy to be popularized.

Description

A kind of Political Teaching lectern for changing height

Technical field

The utility model is related to teaching equipment technical field, specially a kind of Political Teaching lectern for changing height.

Background technology

Lectern, refers to plenary address table, also gives advice room teaching table, and in daily life, traditional lectern is substantially It is motionless to be placed on a position, is also all the hardly possible during carrying by user's a dead lift when movement once in a while Exempt from that accident occurs, cause lectern to damage or user's injury, during routine use lectern, due to using lectern User is different, and different users are also have different demands for the height of lectern, and traditional lectern height can not be adjusted Section, is unalterable, is so unfavorable for very much the use of a part of user.

Utility model content

The purpose of this utility model is to provide a kind of Political Teaching lectern for changing height, to solve above-mentioned background skill The problem proposed in art.

To achieve the above object, the utility model provides following technical scheme：A kind of Political Teaching for changing height is said Table, including desk body, the both sides of the desk body bottom have been fixedly connected with table leg, and the table leg includes shell, the shell right side Bottom offer the first pin hole, the inner chamber of the shell is through being provided with the first expansion link, the bottom of first expansion link Through the bottom of shell and extend to the outside of shell, one end that first expansion link is located at shell inner cavity is fixedly connected with the One fixture block, the inner chamber of first expansion link and runs through for being provided with and being adapted with the first pin hole positioned at one end of shell inner cavity One latch, the right-hand member of first latch sequentially passes through the right side of the first expansion link and the first pin hole and extends to the first latch The right side in hole, the left end of first latch is fixedly connected with the first limited block, and the left end of first limited block is fixedly connected There is the first spring, the left end of first spring is fixedly connected with the top on the left of the first expansion link inner chamber, described first stretches Bottom on the right side of bar offers the second pin hole, and the inner chamber of first expansion link is through being provided with the second expansion link, described second The bottom of expansion link is through the bottom of the first expansion link and extends to the outside of the first expansion link, and second expansion link is located at the One end outside one expansion link is fixedly connected with castor, and fixture block is provided with the castor, and second expansion link is located at first One end of expansion link inner chamber is fixedly connected with the second fixture block, the inner chamber of second expansion link and positioned at the first expansion link inner chamber The second latch for being provided with and being adapted with the second pin hole is run through in one end, and the right-hand member of second latch sequentially passes through the second expansion link Right side and the second pin hole and extend to the right side of the second pin hole, the left end of second latch is fixedly connected with the second limit Position block, is fixedly connected with second spring, in the left end of the second spring and the second expansion link on the left of second limited block Top on the left of chamber is fixedly connected, and desktop is fixedly connected with the top of the desk body, and it is recessed to offer first at the top of the desktop Groove, the pivot pin that passes on left of first groove is connected with the supporting plate being adapted with the first groove, and the supporting plate is right The second groove is offered at the top of side, the bottom of second groove is connected with what is be adapted with the second groove by rotating shaft Support.

Preferably, the bottom of the first groove inner chamber is fixedly connected with the 4th limited block.

Preferably, the bottom of the first expansion link both sides is provided with the 3rd limited block.

Preferably, the front surface of the desk body is provided with drawer, and the quantity of drawer is two.

Preferably, the surface of the castor is provided with rubber blanket.

Compared with prior art, the beneficial effects of the utility model are：This can change the Political Teaching lectern of height, pass through Castor is installed on traditional Political Teaching lectern, is realized when the lectern needs to move, pushing directly on lectern can With mobile effect, manpower is both saved, decrease unexpected generation, can by being installed on traditional Political Teaching lectern Flexible table leg, realizes during routine use, when regulation lectern height is needed, it is only necessary to change expansion link The length stretched out can just change the height of the lectern, both facilitate the use of user, also improve operating efficiency, and this can change The Political Teaching lectern of And of Varying Depth, simple structure is easy to operate, and using effect significantly, is worthy to be popularized.

Brief description of the drawings

Fig. 1 is the utility model structural representation；

Fig. 2 is the left view of the utility model structure；

Fig. 3 is the sectional view of the left leg of the utility model.

In figure：1 desk body, 2 table legs, 21 shells, 22 first clamps, 23 first limited blocks, 24 first latches, 25 first latches Hole, 26 first springs, 27 first expansion links, 28 second clamps, 29 second latches, 211 second pin holes, 212 the 3rd limited blocks, 213 second springs, 214 second expansion links, 215 second limited blocks, 3 fixture blocks, 4 castors, 5 supporting plates, 6 desktops, 7 drawers, 8 first Groove, 9 the 4th limited blocks, 10 second grooves, 11 pivot pins, 12 supports, 13 rotating shafts.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of Political Teaching lectern for changing height, Including desk body 1, the front surface of desk body 1 is provided with drawer 7, and the quantity of drawer 7 is two, and the both sides of the bottom of desk body 1 are fixed Table leg 2 is connected with, table leg 2 includes shell 21, and the bottom on the right side of shell 21 offers the first pin hole 25, and the inner chamber of shell 21 is passed through The first expansion link 27 is equipped with, the bottom of the both sides of the first expansion link 27 is provided with the 3rd limited block 212, by flexible first The 3rd limited block 212 is installed in the bottom of the both sides of bar 27, can avoid the complete inner chamber for entering shell 21 of the first expansion link 27, the The bottom of one expansion link 27 runs through the bottom of shell 21 and extends to the outside of shell 21, and the first expansion link 27 is located in shell 21 The one end in chamber is fixedly connected with the first fixture block 22, the inner chamber of the first expansion link 27 and positioned at the inner chamber of shell 21 one end through being provided with The first latch 24 being adapted with the first pin hole 25, the right-hand member of the first latch 24 sequentially pass through the first expansion link 27 right side and First pin hole 25 simultaneously extends to the right side of the first pin hole 25, and the left end of the first latch 24 is fixedly connected with the first limited block 23, the left end of the first limited block 23 is fixedly connected with the first spring 26, the left end of the first spring 26 and the inner chamber of the first expansion link 27 Be fixedly connected at the top of left side, the bottom on the right side of the first expansion link 27 offers the second pin hole 211, the first expansion link 27 it is interior Through being provided with the second expansion link 214, the bottom of the second expansion link 214 is through the bottom of the first expansion link 27 and extends to first in chamber The outside of expansion link 27, one end that the second expansion link 214 is located at outside the first expansion link 27 is fixedly connected with castor 4, by Castor 4 is installed on traditional Political Teaching lectern, is realized when the lectern needs to move, pushing directly on lectern just can be with Mobile effect, both saves manpower, decreases unexpected generation, and fixture block 3 is provided with castor 4, pacifies by castor 4 Be installed block 3, realizes when the lectern needs static, it is only necessary to castor 4 is blocked with fixture block 3, the surface of castor 4 Rubber blanket is provided with, rubber blanket is set by the surface of castor 4, realize the lectern during movement, rubber blanket can To play a part of damping and silencing, one end that the second expansion link 214 is located at the inner chamber of the first expansion link 27 is fixedly connected with the second card Block 28, the inner chamber of the second expansion link 214 and positioned at the inner chamber of the first expansion link 27 one end through being provided with and the phase of the second pin hole 211 Second latch 29 of adaptation, the right-hand member of the second latch 29 sequentially pass through the second expansion link 214 right side and the second pin hole 211 simultaneously The right side of the second pin hole 211 is extended to, the left end of the second latch 29 is fixedly connected with the second limited block 215, the second limited block 215 left side is fixedly connected with second spring 213, the top on the left of the left end of second spring 213 and the inner chamber of the second expansion link 214 It is fixedly connected, telescopic table leg 2 is installed by traditional Political Teaching lectern, realizes in process used in everyday In, when regulation lectern height is needed, it is only necessary to which changing the length that expansion link stretches out can just change the height of the lectern, Both the use of user had been facilitated, operating efficiency had been also improved, the top of desk body 1 had been fixedly connected with desktop 6, the top of desktop 6 The first groove 8 is offered, the bottom of the inner chamber of the first groove 8 is fixedly connected with the 4th limited block 9, by the peace in the first groove 8 The 4th limited block 9 is filled, stop can be played a part of to support 12, it is to avoid support 12 is slided, the first groove 8 passes on left axle Pin 11 is connected with the supporting plate 5 being adapted with the first groove 8, and by installing supporting plate 5 on desktop 6, user can be with The political teaching material for needing to use is placed in supporting plate 5, is conducive to viewing, it is recessed that the top on the right side of supporting plate 5 offers second Groove 10, the bottom of the second groove 10 is connected with the support 12 being adapted with the second groove 10 by rotating shaft 13.

Operation principle：This can change the Political Teaching lectern of height, when needing to reduce the height of lectern, first be inserted second Pin 29 is pressed into the inner chamber of the first expansion link 27, and the second expansion link 214 is then taken in the inner chamber of the first expansion link 27, then by One latch 24 is pressed into the inner chamber of shell 21, and the second expansion link 27 is then taken in the inner chamber of shell 21, when the He of the first expansion link 27 Second expansion link 214 is shunk after finishing, and lectern height has been reduced.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of Political Teaching lectern for changing height, including desk body (1), it is characterised in that：The two of desk body (1) bottom Side has been fixedly connected with table leg (2), and the table leg (2) includes shell (21), and the bottom on the right side of the shell (21) offers One pin hole (25), the inner chamber of the shell (21) is through being provided with the first expansion link (27), the bottom of first expansion link (27) Portion runs through the bottom of shell (21) and extends to the outside of shell (21), and first expansion link (27) is positioned at shell (21) inner chamber One end be fixedly connected with the first fixture block (22), the inner chamber of first expansion link (27) and positioned at one end of shell (21) inner chamber Through the first latch (24) for being adapted with the first pin hole (25) is provided with, the right-hand member of first latch (24) sequentially passes through The right side of one expansion link (27) and the first pin hole (25) simultaneously extend to the right side of the first pin hole (25), first latch (24) left end is fixedly connected with the first limited block (23), and the left end of first limited block (23) is fixedly connected with the first spring (26), the left end of first spring (26) is fixedly connected with the top on the left of the first expansion link (27) inner chamber, and described first stretches Bottom on the right side of contracting bar (27) offers the second pin hole (211), and the inner chamber of first expansion link (27) is through being provided with second Expansion link (214), the bottom of second expansion link (214) is through the bottom of the first expansion link (27) and extends to first and stretches The outside of bar (27), second expansion link (214) is fixedly connected with castor positioned at the outside one end of the first expansion link (27) (4), be provided with fixture block (3) on the castor (4), second expansion link (214) positioned at the first expansion link (27) inner chamber one End is fixedly connected with the second fixture block (28), the inner chamber of second expansion link (214) and positioned at the first expansion link (27) inner chamber The second latch (29) for being provided with and being adapted with the second pin hole (211) is run through in one end, and the right-hand member of second latch (29) is successively Through the right side of the second expansion link (214) and the second pin hole (211) and the right side of the second pin hole (211) is extended to, it is described The left end of the second latch (29) is fixedly connected with the second limited block (215), is fixedly connected on the left of second limited block (215) There is second spring (213), the top on the left of the left end of the second spring (213) and the second expansion link (214) inner chamber is fixed and connected Connect, desktop (6) is fixedly connected with the top of the desk body (1), the first groove (8) is offered at the top of the desktop (6), it is described The pivot pin (11) that passes on left of the first groove (8) is connected with the supporting plate (5) being adapted with the first groove (8), the branch Top on the right side of fagging (5) offers the second groove (10), and the bottom of second groove (10) is connected by rotating shaft (13) activity It is connected to the support (12) being adapted with the second groove (10).

2. a kind of Political Teaching lectern for changing height according to claim 1, it is characterised in that：First groove (8) bottom of inner chamber is fixedly connected with the 4th limited block (9).

3. a kind of Political Teaching lectern for changing height according to claim 1, it is characterised in that：Described first stretches The bottom of bar (27) both sides is provided with the 3rd limited block (212).

4. a kind of Political Teaching lectern for changing height according to claim 1, it is characterised in that：The desk body (1) Front surface be provided with drawer (7), and the quantity of drawer (7) is two.

5. a kind of Political Teaching lectern for changing height according to claim 1, it is characterised in that：The castor (4) Surface be provided with rubber blanket.