CN207440763U - A kind of project cost special calculator - Google Patents
A kind of project cost special calculator Download PDFInfo
- Publication number
- CN207440763U CN207440763U CN201721338359.5U CN201721338359U CN207440763U CN 207440763 U CN207440763 U CN 207440763U CN 201721338359 U CN201721338359 U CN 201721338359U CN 207440763 U CN207440763 U CN 207440763U
- Authority
- CN
- China
- Prior art keywords
- magnet
- lower housing
- project cost
- connector
- rubber ring
- 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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- Calculators And Similar Devices (AREA)
Abstract
The utility model discloses a kind of project cost special calculators, it is related to office appliance field, it solves rubber ring to be adhered on the housing of calculator by solid gum, so that calculator is during use, rubber ring easily comes off from housing, the problem of staff is to calculator operation is influenced, its key points of the technical solution are that：The four corners of lower housing are provided with connector, one side of the connector away from lower housing is arranged with rubber ring, one side of the connector away from rubber ring is fixed with the first magnet, the second magnet attracted each other with the first magnet is provided on lower housing, a kind of project cost special calculator of the utility model, so that staff, when using calculator, rubber ring is not easy to come off from calculator.
Description
Technical field
The utility model belongs to office appliance field, more particularly to a kind of project cost special calculator.
Background technology
Project cost work has certain particularity, and wherein calculator is essential project cost dedicated computing
Device is generally made of display screen, circuit board, calculating with the components such as button and the battery of power supply, this calculator function letter
It is single, it is easy to operate.
Calculator is during use, and to calculator, there are one active forces during finger stroke button so that calculator exists
There are certain slips, the back side of prior art calculator on desktop to be provided with rubber ring, and rubber ring is adhered to by solid gum
On the housing of calculator.In use, rubber ring easily comes off calculator from housing, influences staff to calculator
Operation reduces work efficiency.
Utility model content
The purpose of this utility model is to provide a kind of project cost special calculator so that rubber ring is not easy from calculator
It comes off.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of project cost special calculator covers mutually the lower housing of conjunction including upper shell, with upper shell, is arranged at lower casing
The rubber ring of body four corners, the four corners of the lower housing are provided with connector, one side set of the connector away from lower housing
Equipped with rubber ring, one side of the connector away from rubber ring is fixed with the first magnet, is provided on the lower housing and first
The second magnet that magnet is attracted each other.
Using the above program, the setting of connector, convenient for rubber ring is fixed；The first magnet for attracting each other,
The setting of two magnet；So that connector is easy to be fixed on the lower housing of calculator, one passes through the first magnet, the second magnet
Separation, you can the separation of connector and calculator is realized, convenient for the replacement to connector in the use in later stage, secondly so that even
Fitting fixation, it is not easily to fall off.
Preferably, the inner wall of the rubber ring is circumferentially provided at least two fins, formed between the adjacent fin
Buckling groove, one side of the connector away from lower housing are circumferentially provided with the clamping ring for clamping of working in coordination with buckling groove.
Using the above program, fin is formed buckling groove, clamping ring are used cooperatively so that calculator is during the work time
Rubber ring is firmly sheathed on connector, is not easy to come off from connector.
Preferably, the four corners of the lower housing offer the embedded groove for connector insertion.
Using the above program, the setting of embedded groove so that a part for connector and rubber ring is embedded in embedded groove, and one
Determine to improve the stability between connector and calculator in degree, while have certain protective effect to connector and rubber ring,
Improve service life.
Preferably, the fixing groove fixed and communicated with embedded groove for connector is further opened on the lower housing.
Using the above program, the setting of fixing groove so that the one end of connector away from clamping ring is in interference fit with fixing groove
In, it is simple in structure, and conveniently connector is installed, while so that connector is not easily to fall off.
Preferably, the placing groove for placing the second magnet is offered at the bottom centre of the fixing groove.
Using the above program, the setting of placing groove, one improve convenient for being placed to the second magnet and place efficiency；Its
Two, pass through the interference fit of the second magnet and placing groove so that the second magnet fixation.
Preferably, the outer circumferential surface of second magnet offers to fix the limiting slot of the second magnet, the placement
The limited block being clamped mutually with limiting slot is placed on the madial wall of slot.
Using the above program, the mutual clamping of limited block, limiting slot, realizes the fixation of the second magnet, fixed form is simple,
It is easy to operate, and fixation, so that rubber ring fixation.
Preferably, the slippage slot for limited block sliding is offered on the madial wall of the placing groove, and the limited block
One side away from limiting slot is wholely set the elastic piece for being useful for the horizontal direction sliding of connection limited block.
Using the above program, slippage slot, elastic piece are used cooperatively so that limited block is compact-sized with limiting slot, pass through
The elasticity of elastic piece realizes the sliding of limited block, so that limited block is clamped with limiting slot, completes the fixation to the second magnet.
Preferably, the limited block is provided with lead-in chamfered close to the one side of the second magnet, the lead-in chamfered is from putting
The bottom for putting slot is tilted to fixing groove to the direction away from the second magnet.
Using the above program, the setting of lead-in chamfered so that the second magnet during placing groove is positioned over, once with
Lead-in chamfered contradicts, and limited block will slide along slippage slot so that the second magnet is smoothly embedded in placing groove and is consolidated
It is fixed, it is highly practical.
Preferably, one side of the rubber ring away from lower housing is provided with mutually perpendicular conflict disk.
Using the above program, the setting of disk is contradicted, the contact area with desktop, a side are increased on the basis of rubber ring
Calculator is improved during the work time compared with the stability of desktop in face, secondly increases the friction between calculator and desktop, makes
Calculator is obtained to be not easy that opposite slide occurs on the table.
Preferably, the described one end of conflict disk away from lower housing is provided with several non-slip textures.
Using the above program, the setting of non-slip texture, increase contradict the frictional force between disk and desktop so that calculator exists
When being subject to finger to the active force of button, be not susceptible to it is opposite slide, and then improve the work efficiency of staff, practicability
By force.
In conclusion the utility model has the advantages that：The setting of connector, the first magnet, the second magnet, makes
Rubber ring fixation is obtained, is not easy to come off from lower housing, improves the work efficiency of staff.
Description of the drawings
Fig. 1 is the structure diagram one of calculator；
Fig. 2 is the structure diagram two of calculator；
Fig. 3 is the sectional view of calculator；
Fig. 4 is the enlarged diagram in A portions in Fig. 3；
Fig. 5 is the partial exploded view of calculator；
Fig. 6 is the enlarged diagram in B portions in Fig. 5.
In figure：1st, upper shell；2nd, lower housing；3rd, lead-in chamfered；4th, connector；5th, limited block；6th, rubber ring；7th, contradict
Disk；8th, non-slip texture；9th, fin；10th, buckling groove；11st, it is clamped ring；12nd, embedded groove；13rd, fixing groove；14th, limiting slot；15th, it is sliding
Move slot；16th, placing groove；17th, elastic piece；18th, calculator body；19th, the first magnet；20th, the second magnet；21st, mounting groove.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of project cost special calculator disclosed in the present embodiment, including calculator body 18, upper casing
Body 1 covers mutually the lower housing 2 closed with upper shell 1.
As shown in Figure 2,3, connector 4,4 cylindrical setting of connector are provided on lower housing 2, and connector 4 is set
There are four and be distributed in the four corners of lower housing 2.
As shown in Figure 3,4, it is arranged with rubber ring 6 in the one end of connector 4 away from lower housing 2.Rubber ring 6 is away from lower housing
2 one end, which is provided with, contradicts disk 7, and contradicts disk 7 and rubber ring 6 in being wholely set, contradict one side of the disk 7 away from lower housing 2 and
Desktop contradicts.It contradicts one side of the disk 7 away from lower housing 2 and offers several non-slip textures 8.
As shown in figure 4, the inner wall of rubber ring 6 is circumferentially wholely set there are two fin 9, and fin 9 is set in circular ring shape.Two
The buckling groove 10 of annular shape is formed between a fin 9.It is circumferentially provided with and is clamped close to one end of rubber ring 6 in connector 4
The clamping ring 11 that slot 10 is engaged by clamping, and it is in be wholely set to be clamped ring 11 with connector 4.
As Figure 4-Figure 6, the embedded groove 12 being embedded in for connector 4 is offered on lower housing 2, and rubber ring 6 is away from desktop
The bottom of one end and embedded groove 12 contradict.The fixing groove 13 for fixedly connected part 4 is further opened on lower housing 2, and it is fixed
Slot 13 is communicated with embedded groove 12, and the diameter of fixing groove 13 is less than the diameter of embedded groove 12.
As Figure 4-Figure 6, mounting groove 21, and mounting groove 21 are offered at center of the connector 4 away from 11 one end of clamping ring
In be placed with the first magnet 19, the first magnet 19 is fixed on by epoxy resin in mounting groove 21.The center of 13 bottom of fixing groove
Place offers placing groove 16, and the second magnet 20 attracted each other with the first magnet 19 is placed in placing groove 16.
As Figure 4-Figure 6, the outer circumferential surface of the second magnet 20 offers limiting slot 14, the medial surface of placing groove 16 be placed with
Limiting slot 14 is clamped mutually and the limited block 5 for fixing the second magnet 20, and limited block 5 sets there are three and is uniformly distributed
In placing groove 16.The one side of limited block 5 towards the first magnet 19 is provided with lead-in chamfered 3, and lead-in chamfered 3 is from placing groove 16
Bottom is tilted to fixing groove 13 to the direction away from the second magnet 20.The medial surface of placing groove 16 is offered for for limited block 5
The slippage slot 15 of sliding, and one side of the limited block 5 away from the second magnet 20 is wholely set the elastic piece for being useful for connection limited block 5
17。
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (10)
1. a kind of project cost special calculator covers mutually the lower housing (2) closed including upper shell (1), with upper shell (1), sets
The rubber ring (6) of lower housing (2) four corners is placed in, it is characterized in that：The four corners of the lower housing (2) are provided with connector (4),
One side of the connector (4) away from lower housing (2) is arranged with rubber ring (6), the separate rubber ring (6) of the connector (4)
One side is fixed with the first magnet (19), and the second magnet attracted each other with the first magnet (19) is provided on the lower housing (2)
(20)。
2. a kind of project cost special calculator according to claim 1, it is characterized in that：The inner wall of the rubber ring (6)
At least two fins (9) are circumferentially provided with, form buckling groove (10) between the adjacent fin (9), the connector (4) is separate
The one side of lower housing (2) is circumferentially provided with the clamping ring (11) for clamping of working in coordination with buckling groove (10).
3. a kind of project cost special calculator according to claim 1, it is characterized in that：The corner of the lower housing (2)
Place is offered for the embedded embedded groove (12) of connector (4).
4. a kind of project cost special calculator according to claim 3, it is characterized in that：It is also opened on the lower housing (2)
Equipped with the fixing groove (13) fixed for connector (4) and communicated with embedded groove (12).
5. a kind of project cost special calculator according to claim 4, it is characterized in that：The bottom of the fixing groove (13)
The placing groove (16) for placing the second magnet (20) is offered at center.
6. a kind of project cost special calculator according to claim 5, it is characterized in that：Outside second magnet (20)
Circumferential surface offers to fix the limiting slot (14) of the second magnet (20), is placed with and limits on the madial wall of the placing groove (16)
The limited block (5) that position slot (14) is clamped mutually.
7. a kind of project cost special calculator according to claim 6, it is characterized in that：The inside of the placing groove (16)
The slippage slot (15) for limited block (5) sliding, and one side one of the limited block (5) away from limiting slot (14) are offered on wall
It is provided with to connect the elastic piece (17) that limited block (5) horizontal direction slides.
8. a kind of project cost special calculator according to claim 6, it is characterized in that：The limited block (5) is close to the
The one side of two magnet (20) is provided with lead-in chamfered (3), and the lead-in chamfered (3) is from the bottom of placing groove (16) to fixing groove
(13) tilted to the direction away from the second magnet (20).
9. a kind of project cost special calculator according to claim 1, it is characterized in that：The rubber ring (6) is away under
The one side of housing (2) is provided with mutually perpendicular conflict disk (7).
10. a kind of project cost special calculator according to claim 9, it is characterized in that：The conflict disk (7) is away under
One end of housing (2) is provided with several non-slip textures (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721338359.5U CN207440763U (en) | 2017-10-17 | 2017-10-17 | A kind of project cost special calculator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721338359.5U CN207440763U (en) | 2017-10-17 | 2017-10-17 | A kind of project cost special calculator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207440763U true CN207440763U (en) | 2018-06-01 |
Family
ID=62293364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721338359.5U Expired - Fee Related CN207440763U (en) | 2017-10-17 | 2017-10-17 | A kind of project cost special calculator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207440763U (en) |
-
2017
- 2017-10-17 CN CN201721338359.5U patent/CN207440763U/en not_active Expired - Fee Related
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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: 20180601 Termination date: 20191017 |