CN209486929U - A kind of combined type accounting computerization demonstration teaching aid - Google Patents

Abstract

The utility model discloses a kind of combined type accounting computerization demonstration teaching aids, including strut and curtain, the strut includes bottom bar, telescopic rod and mandril, the bottom end of the mandril is in the inside of telescopic rod, the bottom inner portion of the mandril is symmetrically arranged with the first spring housing, and first is connected with the second corner block on the outside of spring housing, the bottom end of the telescopic rod is in the inside of bottom bar, and the bottom inner portion of the telescopic rod is symmetrically arranged with second spring room；By will be in the U-shaped pendant for hanging over mandril at the top of curtain, and cloth bucket is fixed on to the top of position limiting clamp, projection cloth is allowed to be rapidly performed by combination installation, simultaneously because cloth bucket is clamped by clamping block, curtain is more consolidated, avoids the case where waving that is likely to occur of curtain, and the regulative mode of curtain rear surface strut is relatively simple, it can also be by strut overall shrinkage consequently facilitating carrying, so that installation integrally arbitrarily can be dismantled or be combined to projection cloth.

Description

A kind of combined type accounting computerization demonstration teaching aid

Technical field

The utility model belongs to accounting computerization performance technology field, and in particular to a kind of combined type accounting computerization demonstration Teaching aid.

Background technique

Computer accounting is also in accounting computerization, refers to the information technology based on electronic computer in accountancy Using specifically, being exactly using accounting software, commander has been manually done in various computer equipments substitution or is difficult under craft The accountancy process of completion, and lecturer can use a variety of demonstration teaching aids, with most when carrying out teaching demonstration to student It is exactly by projector toward projection screen upslide projection picture, Lai Jinhang teaching demonstration can allow student more straight from projection screen That sees carries out understanding study to Electronic Data Processing.

Existing projection screen still has some shortcomings when in use: existing projection screen when in use due to The connection type of curtain and strut is complex, can take a significant amount of time when so that installing curtain every time, and curtain rear surface supports Bar stretching, extension and the mode of contraction are not convenient enough, and there are certain room for improvement, while curtain relies solely on the hook at top and hangs over support On bar, so that being likely to occur for curtain is waved, the picture distortion problem on curtain is caused.

Utility model content

The purpose of this utility model is to provide a kind of combined type accounting computerization demonstration teaching aids, to solve above-mentioned background skill The existing projection screen proposed in art is when in use since the connection type of curtain and strut is complex, so that installation every time Can be taken a significant amount of time when curtain, and after curtain table and strut stretching, extension and the mode of contraction are not convenient enough, there are certain improvement skies Between, at the same curtain rely solely on top hook hang on strut so that being likely to occur for curtain is waved, cause the picture on curtain Face distortion problem problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of combined type accounting computerization demonstration religion Tool, including strut and curtain, the strut include bottom bar, telescopic rod and mandril, the bottom end of the mandril is in the interior of telescopic rod Portion, the bottom inner portion of the mandril is symmetrically arranged with the first spring housing, and the second corner block is connected on the outside of the first spring housing, The bottom end of the telescopic rod is in the inside of bottom bar, and the bottom inner portion of the telescopic rod is symmetrically arranged with second spring room, and The first corner block is connected on the outside of two spring housing, the front surface of the bottom bar is equipped with the position limiting clamp of integral type, the position limiting clamp Top surface be provided with fixture block, the bottom of the curtain is provided with cloth bucket, and cloth bucket is in the top surface of position limiting clamp, described Cloth bucket is fitted closely with fixture block.

Preferably, the both ends of the cloth bucket are provided with end cap, and the surface of the end cap offers flight, and the two of cloth bucket End surfaces offer corresponding screw hole, and the flight is internally provided with fastening screw, and the fastening screw Two sides puckered ring is connected with by shaft, the top surface of the cloth bucket offers cloth seam corresponding with curtain, the cloth The inner surface of seam is evenly distributed with bristle, and there are three support foots for the bottom setting of the bottom bar, and the end of support foot is connected with rubber Glue non-slip mat.

Preferably, the position limiting clamp is internally provided with tension spring room, and the bottom end of the fixture block is equipped with the holder of integral type, institute The inside that holder is in tension spring room is stated, and one end of tension spring room is connected with holder, the two sides of the holder are provided with link block, And the end of link block is equipped with the pulling block of integral type, the pulling block is in the both side surface of position limiting clamp, the two sides of the position limiting clamp Surface offers slideway corresponding with link block, and the top surface of the position limiting clamp offers slideway corresponding with fixture block.

Preferably, the bottom end of the support foot is equipped with the threaded post of integral type, and the top surface of the rubber antiskid pad is opened Equipped with thread groove corresponding with threaded post.

Preferably, the surface of the telescopic rod offers rectangular opening corresponding with the second corner block, the table of the bottom bar Face offers rectangular opening corresponding with the first corner block, and the top of the mandril is provided with U-shaped pendant, and the top table of curtain Face is equipped with corresponding hook.

Compared with prior art, the utility model has the beneficial effects that

1, by by the U-shaped pendant for hanging over mandril at the top of curtain, and cloth bucket is fixed on to the top of position limiting clamp, Allow projection cloth to be rapidly performed by combination installation, simultaneously because cloth bucket is clamped by clamping block, curtain more consolidated, The case where waving that is likely to occur of curtain is avoided, and the regulative mode of curtain rear surface strut is relatively simple, it can also be by strut Overall shrinkage is consequently facilitating carry, so that installation integrally arbitrarily can be dismantled or be combined to projection cloth.

2, when the inside of cloth bucket needs to overhaul, puckered ring can be rotated in upright state under the action of shaft and is revolved Turn, so that fastening screw does not need any tool when dismantling, fastening screw can manually be unloaded, while being stored in curtain When inside cloth feeding bucket, bristle can clean up the dust on curtain surface, and dust is avoided to bring asking of resulting in blockage inside cloth bucket into Topic, while certain cleaning can also be played the role of to curtain.

Detailed description of the invention

Fig. 1 is the front surface structural schematic diagram of the utility model；

Fig. 2 is the rear surface structural schematic diagram of the utility model；

Fig. 3 is the strut side structure schematic view of the utility model；

Fig. 4 is that the mandril of the utility model connect schematic cross-sectional view with telescopic rod；

Fig. 5 is that the telescopic rod of the utility model connect schematic cross-sectional view with bottom bar；

Fig. 6 is the position limiting clamp schematic cross-sectional view of the utility model；

Fig. 7 is the position limiting clamp overlooking structure diagram of the utility model；

Fig. 8 is the position limiting clamp diagrammatic side-view cross-sectional structural schematic diagram of the utility model；

Fig. 9 is that the end cap of the utility model embodiment 2 connect overlooking structure diagram with cloth bucket；

Figure 10 is that the fastening screw of the utility model embodiment 2 connect schematic cross-sectional view with end cap；

Figure 11 is that the rubber antiskid pad of the utility model embodiment 2 connect schematic cross-sectional view with support foot；

In figure: 1, bottom bar；2, support foot；3, rubber antiskid pad；4, position limiting clamp；5, curtain；6, end cap；7, cloth bucket；8, mandril； 9, telescopic rod；10, the first corner block；11, pulling block；12, fixture block；13, the second corner block；14, the first spring housing；15, the second bullet Spring room；16, link block；17, holder；18, tension spring room；19, fastening screw；20, puckered ring；21, cloth stitches；22, bristle；23, spiral shell Line column.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment 1

Fig. 1 to Fig. 8 is please referred to, the utility model provides a kind of technical solution: a kind of combined type accounting computerization demonstration religion Tool, including strut and curtain 5, strut include bottom bar 1, telescopic rod 9 and mandril 8, the bottom end of mandril 8 is in the inside of telescopic rod 9, Allow mandril 8 toward 9 internal contraction of telescopic rod or stretch outward, the bottom inner portion of mandril 8 is symmetrically arranged with the first spring Room 14, and the outside of the first spring housing 14 is connected with the second corner block 13 by spring, is made by the way that the second corner block 13 is arranged Available fixation after mandril 8 shrinks or stretches, the bottom end of telescopic rod 9 is in the inside of bottom bar 1, allows telescopic rod 9 past 1 internal contraction of bottom bar stretches outward, and the bottom inner portion of telescopic rod 9 is symmetrically arranged with second spring room 15, and second spring The outside of room 15 is connected with the first corner block 10 by spring, makes telescopic rod 9 shrink or draw by the way that the first corner block 10 is arranged Rear available fixation is stretched, the front surface of bottom bar 1 is equipped with the position limiting clamp 4 of integral type, and the top surface of position limiting clamp 4 is provided with fixture block 12, the bottom of curtain 5 is provided with cloth bucket 7, and cloth bucket 7 is in the top surface of position limiting clamp 4, and cloth bucket 7 is fitted closely with fixture block 12, By setting position limiting clamp 4 and fixture block 12, the fixation for allowing cloth bucket 7 more firm.

In order to which fixture block 12 can clamp cloth bucket 7, in the present embodiment, it is preferred that position limiting clamp 4 is internally provided with tension spring room 18, the bottom end of fixture block 12 is equipped with the holder 17 of integral type, and holder 17 be in the inside of tension spring room 18, and one end of tension spring room 18 and Holder 17 is connected, and the two sides of holder 17 are provided with link block 16, and the end of link block 16 is equipped with the pulling block 11 of integral type, draws Block 11 is in the both side surface of position limiting clamp 4 so that from outside pull pulling block 11 when, fixture block 12 also can in 4 top slide of position limiting clamp, The both side surface of position limiting clamp 4 offers slideway corresponding with link block 16, so that link block 16 will not influence holder 17 just Often sliding, the top surface of position limiting clamp 4 offer slideway corresponding with fixture block 12, and fixture block 12 is pushed up in position limiting clamp 4 Portion's sliding.

In order to which the second corner block 13 can pop up to the surface of telescopic rod 9 mandril 8 is fixed, and the first corner block 10 can be with Pop-up is fixed by telescopic rod 9 to the surface of bottom bar 1, in the present embodiment, it is preferred that the surface of telescopic rod 9 offers and the two or three The corresponding rectangular opening of hornblock 13, the surface of bottom bar 1 offer rectangular opening corresponding with the first corner block 10, the top of mandril 8 End is provided with U-shaped pendant, and the top surface of curtain 5 is equipped with corresponding hook, allow curtain 5 quickly with top Bar 8 is fixedly connected.

Embodiment 2

Fig. 1 to Figure 11 is please referred to, the utility model provides a kind of technical solution: a kind of combined type accounting computerization demonstration religion Tool, including strut and curtain 5, strut include bottom bar 1, telescopic rod 9 and mandril 8, the bottom end of mandril 8 is in the inside of telescopic rod 9, Allow mandril 8 toward 9 internal contraction of telescopic rod or stretch outward, the bottom inner portion of mandril 8 is symmetrically arranged with the first spring Room 14, and the outside of the first spring housing 14 is connected with the second corner block 13 by spring, is made by the way that the second corner block 13 is arranged Available fixation after mandril 8 shrinks or stretches, the bottom end of telescopic rod 9 is in the inside of bottom bar 1, allows telescopic rod 9 past 1 internal contraction of bottom bar stretches outward, and the bottom inner portion of telescopic rod 9 is symmetrically arranged with second spring room 15, and second spring The outside of room 15 is connected with the first corner block 10 by spring, makes telescopic rod 9 shrink or draw by the way that the first corner block 10 is arranged Rear available fixation is stretched, the front surface of bottom bar 1 is equipped with the position limiting clamp 4 of integral type, and the top surface of position limiting clamp 4 is provided with fixture block 12, the bottom of curtain 5 is provided with cloth bucket 7, and cloth bucket 7 is in the top surface of position limiting clamp 4, and cloth bucket 7 is fitted closely with fixture block 12, By setting position limiting clamp 4 and fixture block 12, the fixation for allowing cloth bucket 7 more firm.

In order to which fastening screw 19 can be unloaded manually, consequently facilitating to being overhauled inside cloth bucket 7, it is excellent in the present embodiment Choosing, the both ends of cloth bucket 7 are provided with end cap 6, and the surface of end cap 6 offers flight, and two end surfaces of cloth bucket 7 offer with Corresponding screw hole, flight is internally provided with fastening screw 19, and the two sides of fastening screw 19 pass through shaft and connect There is puckered ring 20, by setting puckered ring 20, puckered ring 20 backed out fastening screw 19 when being rotated into upright state, The top surface of cloth bucket 7 offers cloth seam 21 corresponding with curtain 5, and the inner surface of cloth seam 21 is evenly distributed with bristle 22, By the way that bristle 22 is arranged in the inner surface of cloth seam 21, so that curtain 5, when stitching 21 surface by cloth, bristle 22 can be by curtain 5 The dust on surface cleans up, and there are three support foots 2 for the bottom setting of bottom bar 1, and the end of support foot 2 is connected with rubber antiskid pad 3, By the way that rubber antiskid pad 3 is arranged support foot 2 is more consolidated.

In order to which fixture block 12 can clamp cloth bucket 7, in the present embodiment, it is preferred that position limiting clamp 4 is internally provided with tension spring room 18, the bottom end of fixture block 12 is equipped with the holder 17 of integral type, and holder 17 be in the inside of tension spring room 18, and one end of tension spring room 18 and Holder 17 is connected, and the two sides of holder 17 are provided with link block 16, and the end of link block 16 is equipped with the pulling block 11 of integral type, draws Block 11 is in the both side surface of position limiting clamp 4 so that from outside pull pulling block 11 when, fixture block 12 also can in 4 top slide of position limiting clamp, The both side surface of position limiting clamp 4 offers slideway corresponding with link block 16, so that link block 16 will not influence holder 17 just Often sliding, the top table of position limiting clamp 4 and offer slideway corresponding with fixture block 12, allow fixture block 12 position limiting clamp 4 push up Portion's sliding.

In order to which rubber antiskid pad 3 makes in replacement, the present embodiment, it is preferred that the bottom end of support foot 2 is equipped with the screw thread of integral type Column 23, and the top surface of rubber antiskid pad 3 offers thread groove corresponding with threaded post 23.

In order to which the second corner block 13 can pop up to the surface of telescopic rod 9 mandril 8 is fixed, and the first corner block 10 can be with Pop-up is fixed by telescopic rod 9 to the surface of bottom bar 1, in the present embodiment, it is preferred that the surface of telescopic rod 9 offers and the two or three The corresponding rectangular opening of hornblock 13, the surface of bottom bar 1 offer rectangular opening corresponding with the first corner block 10, the top of mandril 8 End is provided with U-shaped pendant, and the top surface of curtain 5 is equipped with corresponding hook, allow curtain 5 quickly with top Bar 8 is fixedly connected.

The working principle and process for using of the utility model: the utility model when in use when need by projection cloth combine exist It carries out together in use, first strut three support foots 2 of 1 bottom of bottom bar, and bottom bar 1 is placed on the ground, then will stretch Bar 9 is pulled toward the top of bottom bar 1, so that the bottom end of telescopic rod 9 is up slided inside bottom bar 1, the first corner block 10 when sliding It will receive the inside for squeezing and being squeezed into second spring room 15, when the top that the bottom end of telescopic rod 9 is pulled to bottom bar 1 can not continue When pulling, the first corner block 10 can coincide with the rectangular opening of 1 top end surface of bottom bar, and in 15 contained spring of second spring room The lower pop-up of effect to bottom bar 1 outer surface so that telescopic rod 9 is fixed after stretching, at this time again by mandril 8 toward telescopic rod 9 Top pull, and the second corner block 13 is squeezed into inside the first spring housing 14, when the bottom end of mandril 8 is pulled to telescopic rod When 9 top can not continue to pull, the second corner block 13 can coincide with the rectangular opening of 9 top end surface of telescopic rod, and first Pop-up is held to the surface of telescopic rod 9 so that strut is integrally extended out completely again at this time under the action of 14 contained spring of spring housing It strains at block 11 and pulls the front surface of pulling block 11 toward position limiting clamp 4, so that fixture block 12 is also sliding toward the front surface of position limiting clamp 4 therewith It is dynamic, then cloth bucket 7 is placed on to the top of position limiting clamp 4, and be in the side of fixture block 12, unclamps again pulling block 11, the meeting of fixture block 12 exists It is pulled to cloth bucket 7 under the action of 18 internal tension spring of tension spring room, and is fitted closely with cloth bucket 7, cloth bucket 7 is fixed In the top surface of position limiting clamp 4, the hook for finally holding 5 top of curtain again pulls out curtain 5 from the inside of cloth bucket 7, and will hang Combination installation can be completed in the U-shaped pendant for being hooked on 8 top of mandril, so that the connection type of curtain 5 and strut entirety is more just Victory, at the same it is also more firm, when needing to adjust the length of strut entirety, since the surface of telescopic rod 9 offers and the two or three The corresponding rectangular opening of hornblock 13 only need to press the second corner block 13 and second corner block 13 is pressed into the first spring housing 14 Portion, then by mandril 8 toward the internal slide of telescopic rod 9, when the second corner block 13 slides into the rectangle hole site on 9 surface of telescopic rod When, the second corner block 13 can be ejected the outer surface of telescopic rod 9 again, available fixation after shrinking mandril 8, while bottom The surface of bar 1 offers rectangular opening corresponding with second spring room 15, and only need to press the first corner block 10 can be by telescopic rod 9 It shrinks and is fixed by the first corner block 10, so that the adjusting of strut entire length is more convenient, while but also strut is whole Quickly it can shrink and stretch, so that projection cloth be made integrally arbitrarily can to dismantle or combine installation；

When the inside of cloth bucket 7 needs to overhaul, puckered ring 20 can be rotated under the action of shaft in upright state, then With finger grips puckered ring 20 and rotate, so that fastening screw 19 is removed inside flight, it can be by end cap 6 and cloth bucket 7 It separates and to being overhauled inside cloth bucket 7, it, manually can will be tight so that fastening screw 19 does not need any tool when dismantling Gu screw 19 unloads, the same needs rotary folding ring 20 that can screw in fastening screw 19 inside flight when installation, after tightening Puckered ring 20 is rotated to income flight inside under the action of shaft again, so that puckered ring 20 may be in flight Portion, when avoiding the outer surface of prominent end cap 6, and needing curtain 5 storing 7 inside of cloth feeding bucket, first by the hook at 5 top of curtain from It is measured down in U-shaped pendant, and slowly puts down the inside that curtain 5 makes curtain 5 gradually be incorporated into cloth bucket 7 from cloth seam 21, due to cloth The surface of seam 21 is evenly distributed with bristle 22 and makes curtain 5 when stitching 21 surface by cloth, and bristle 22 can be by the ash on 5 surface of curtain Dirt cleans up, and avoids the problem that dust is brought into inside cloth bucket 7 and results in blockage, while can also play to curtain 5 certain clear Rubber antiskid pad 3 need to only be rotated from the bottom end of support foot 2 and be backed out, so when rubber antiskid pad 3 needs replacing by reason effect The thread groove alignment rotation of threaded post 23 inside new rubber antiskid pad 3 is tightened afterwards, that is, rubber antiskid pad 3 may make to be fixed In the bottom end of support foot 2, consequently facilitating the replacement to rubber antiskid pad 3.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of combined type accounting computerization demonstration teaching aid, including strut and curtain (5), it is characterised in that: the strut includes Bottom bar (1), telescopic rod (9) and mandril (8), the bottom end of the mandril (8) are in the inside of telescopic rod (9), the mandril (8) Bottom inner portion is symmetrically arranged with the first spring housing (14), and the second corner block (13) are connected on the outside of the first spring housing (14), The bottom end of the telescopic rod (9) is in the inside of bottom bar (1), and the bottom inner portion of the telescopic rod (9) is symmetrically arranged with the second bullet Spring room (15), and the first corner block (10) are connected on the outside of second spring room (15), the front surface of the bottom bar (1) is equipped with one The top surface of the position limiting clamp (4) of body formula, the position limiting clamp (4) is provided with fixture block (12), and the bottom of the curtain (5) is provided with Cloth bucket (7), and cloth bucket (7) is in the top surface of position limiting clamp (4), the cloth bucket (7) fits closely with fixture block (12).

2. a kind of combined type accounting computerization demonstration teaching aid according to claim 1, it is characterised in that: the cloth bucket (7) Both ends be provided with end cap (6), the surface of the end cap (6) offers flight, and two end surfaces of cloth bucket (7) offer with Corresponding screw hole, the flight is internally provided with fastening screw (19), and the two sides of the fastening screw (19) It is connected with puckered ring (20) by shaft, the top surface of the cloth bucket (7) offers cloth seam corresponding with curtain (5) (21), the inner surface of the cloth seam (21) is evenly distributed with bristle (22), and there are three support foots for the bottom setting of the bottom bar (1) (2), and the end of support foot (2) is connected with rubber antiskid pad (3).

3. a kind of combined type accounting computerization demonstration teaching aid according to claim 1, it is characterised in that: the position limiting clamp (4) be internally provided with tension spring room (18), the bottom end of the fixture block (12) are equipped with the holder (17) of integral type, the holder (17) Inside in tension spring room (18), and the one end of tension spring room (18) is connected with holder (17), the two sides of the holder (17) are set It is equipped with link block (16), and the end of link block (16) is equipped with the pulling block (11) of integral type, the pulling block (11) is in position limiting clamp (4) both side surface of both side surface, the position limiting clamp (4) offers slideway corresponding with link block (16), the limit The top surface of folder (4) offers slideway corresponding with fixture block (12).

4. a kind of combined type accounting computerization demonstration teaching aid according to claim 2, it is characterised in that: the support foot (2) Bottom end be equipped with integral type threaded post (23), and the top surface of the rubber antiskid pad (3) offer with threaded post (23) Corresponding thread groove.

5. a kind of combined type accounting computerization demonstration teaching aid according to claim 1, it is characterised in that: the telescopic rod (9) surface offers rectangular opening corresponding with the second corner block (13), and the surface of the bottom bar (1) offers and the one or three The corresponding rectangular opening of hornblock (10), the top of the mandril (8) is provided with U-shaped pendant, and the top surface of curtain (5) is equipped with Corresponding hook.