Engineering cost record book capable of expanding pages
By designing an expandable page engineering cost record book, the problem of difficult data modification was solved, and the paper size could be flexibly expanded and adjusted, improving data accuracy and ease of use.
Patent Information
- Application Number
- CN202520419972.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-03-11
AI Technical Summary
Existing engineering cost record books are prone to problems such as difficulty in revision and poor appearance when data is modified.
An expandable engineering cost record book was designed. By setting up expandable pages and connectors, it allows the number and position of writing pages to be added or adjusted as needed. The tear-out of the expandable pages enables multiple usage methods. Combined with magnetic blocks and connecting strips, it improves ease of use and practicality.
It enables flexible expansion and adjustment of writing paper, improves the accuracy and ease of use of engineering cost data, and simplifies the data adjustment process.
Smart Images

Figure CN223657883U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to record book technical field, concretely is a kind of engineering cost record book with expandable page. BACKGROUND
[0002] Engineering cost refers to the construction cost that constitutes project in construction period is expected or actually spent, and the working process that engineering cost is forecasted, planned, controlled, accounted, analyzed and evaluated etc. using knowledge and skill of management, economics and engineering technology etc. is called engineering cost management, and existing engineering cost data often needs to change data, and when data is fixed using stapler, it is easy to cause revision difficulty or appearance poor problem in subsequent due to later modification, for this purpose, a kind of engineering cost record book with expandable page is provided. UTILITY MODEL CONTENT
[0003] In view of the above situation, to overcome the defects of prior art, the utility model provides a kind of engineering cost record book with expandable page, effectively solve the above problems.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of engineering cost record book with expandable page, including first connecting piece, the right side of the first connecting piece is connected with two groups of first protective paper board and multiple groups of writing paper, multiple groups the writing paper is located at the opposite side of two groups of first protective paper board, the upper side of the upper side of first protective paper board is connected with second connecting piece, the second connecting piece and first connecting piece structure are same, the outside of the second connecting piece is provided with multiple groups of expansion paper, the first protective paper board, writing paper are all set with the placing groove matched with first connecting piece.
[0005] Preferably, the first connecting piece includes multiple groups of first limiting clamp and multiple groups of second limiting clamp, the lower side of multiple groups the first limiting clamp is connected with first connecting rod, the lower side of multiple groups the second limiting clamp is connected with second connecting rod, the upper side of the first limiting clamp is connected with first magnetic block, the upper side of the second limiting clamp is connected with second magnetic block, the lower side of the first limiting clamp and second limiting clamp is connected with third connecting rod.
[0006] Preferably, the expansion paper includes double-sided adhesive paper, the double-sided adhesive paper is set with the placing groove matched with second connecting piece, the upper and lower sides of the double-sided adhesive paper are all connected with single-sided silicon oil paper.
[0007] Preferably, the upper side of the upper side of first protective paper board is set with recess, the upper side of the first protective paper board is connected with first connecting band, the right side of the first connecting band is connected with sub buckle, the upper side of the first protective paper board is connected with female buckle.
[0008] Preferably, the outer side of the second connecting piece is provided with a second protective paperboard, and the second protective paperboard is located on the upper side of the expansion paper.
[0009] Preferably, the body of the expansion paper is provided with a tear opening.
[0010] Compared with the prior art, the utility model has the beneficial effects that:
[0011] 1. The expansion paper can be expanded according to the need, and the first connecting piece can be opened to add additional writing paper, thereby improving the practicability of the device.
[0012] 2. The first connecting piece can be adjusted according to the need, thereby facilitating the data adjustment of the engineering cost, and the expansion paper can be used in multiple ways, thereby improving the data accuracy of the engineering cost. BRIEF DESCRIPTION OF DRAWINGS
[0013] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model.
[0014] In the drawings:
[0015] Figure 1 It is a structure schematic view of the utility model expandable page engineering cost record book;
[0016] Figure 2 It is a first connecting belt structure schematic view of the utility model;
[0017] Figure 3 It is a first connecting piece structure schematic view of the utility model;
[0018] Figure 4 It is an expansion paper structure schematic view of the utility model.
[0019] In the drawing: 100, first connecting piece; 110, first limiting clamp; 120, second limiting clamp; 130, first connecting rod; 140, second connecting rod; 150, first magnetic block; 160, second magnetic block; 170, third connecting rod; 200, first protective paperboard; 210, first connecting belt; 220, female buckle; 230, male buckle; 300, writing paper; 400, second connecting piece; 500, expansion paper; 510, double-sided adhesive paper; 520, single-sided silicon oil paper; 501, tear opening; 600, second protective paperboard. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0021] Please refer to Figures 1-4 An engineering cost record book with expandable pages, comprising a first connecting piece 100, two groups of first protective paper boards 200 and multiple groups of writing paper 300 are connected to the right side of the first connecting piece 100, the multiple groups of writing paper 300 are respectively located on the opposite sides of the two groups of first protective paper boards 200, the upper side of the upper side first protective paper board 200 is fixedly connected with a second connecting piece 400, the second connecting piece 400 is the same in structure as the first connecting piece 100, multiple groups of expansion paper 500 are arranged on the outer side of the second connecting piece 400, the first protective paper board 200 and the writing paper 300 are all provided with placing grooves matched with the first connecting piece 100, the expansion paper 500 can be arranged to expand the writing paper 300 according to the need, the expansion can be performed according to the things to be added, the first connecting piece 100 can be opened to add additional writing paper 300 according to the need, and the practicality of the device is improved.
[0022] The first connecting piece 100 comprises a plurality of first limiting clamps 110 and a plurality of second limiting clamps 120. The lower side of the plurality of first limiting clamps 110 is fixedly connected with a first connecting rod 130. The lower side of the plurality of second limiting clamps 120 is fixedly connected with a second connecting rod 140. The upper side of the first limiting clamp 110 is fixedly connected with a first magnetic block 150. The upper side of the second limiting clamp 120 is fixedly connected with a second magnetic block 160. The lower side of the first limiting clamp 110 and the second limiting clamp 120 is movably connected with a third connecting rod 170. According to the needs, the first limiting clamp 110 and the second limiting clamp 120 are opened. The first magnetic block 150 and the second magnetic block 160 are separated during the opening process. Then the needed writing paper 300 is placed on the outside of the first connecting piece 100 or the excess writing paper 300 is taken out. By setting the first connecting piece 100, the number and position of the writing paper 300 can be adjusted according to the needs, thereby facilitating the data adjustment work of the engineering cost. The extension paper 500 comprises double-sided adhesive paper 510. The double-sided adhesive paper 510 is provided with a placing groove matched with the second connecting piece 400. The upper and lower sides of the double-sided adhesive paper 510 are connected with single-sided silicone oil paper 520. The silicone oil surface of the single-sided silicone oil paper 520 is located on the side close to the double-sided adhesive paper 510. The single-sided silicone oil paper 520 is connected through the adhesive liquid of the double-sided adhesive paper 510. If it is needed to paste one side of the double-sided adhesive paper 510 on the writing paper 300, one side of the single-sided silicone oil paper 520 is removed, and then the double-sided adhesive paper 510 is pasted on the outside of the writing paper 300. Then writing can be performed on the other side of the single-sided silicone oil paper 520. The extension paper 500 can also be directly added to the writing paper 300 according to the needs. The extension paper 500 can also be used as double-sided adhesive tape to connect the writing paper 300 with other papers or pictures. By setting the extension paper 500, multiple ways of use can be realized, thereby improving the data accuracy of the engineering cost. The body of the extension paper 500 is provided with a tear opening 501. By setting the tear opening 501, the staff can tear the extension paper 500 from the second connecting piece 400 according to the needs, so that the staff can use multiple ways to separate the second connecting piece 400 from the second connecting piece 400 according to the needs, thereby improving the convenience of using the device. The upper side of the upper side first protection paperboard 200 is provided with a groove. The upper side of the first protection paperboard 200 is fixedly connected with a first connecting belt 210. The right side of the first connecting belt 210 is fixedly connected with a sub buckle 220. The upper side of the first protection paperboard 200 is fixedly connected with a female buckle 230. By setting the first connecting belt 210, the sub buckle 220 and the female buckle 230, the calculator can be stored, thereby improving the practicality of using the device. The outside of the second connecting piece 400 is provided with a second protection paperboard 600. The second protection paperboard 600 is located on the upper side of the extension paper 500. By setting the second protection paperboard 600, the extension paper 500 can be protected.
Claims
1. An extensible pageable engineering cost record book, characterized by: The utility model provides a writing paper, including first connecting piece (100), right side of first connecting piece (100) is connected with two groups of first protection paper board (200) and multiple groups of writing paper (300), multiple groups of writing paper (300) are located opposite sides of two groups of first protection paper board (200) respectively, the upper side of the first protection paper board (200) is connected with second connecting piece (400), second connecting piece (400) is same with first connecting piece (100) in structure, the outside of second connecting piece (400) is provided with multiple groups of expansion paper (500), first protection paper board (200), writing paper (300) all are set with the placement slot that is matched with first connecting piece (100).
2. The expandable page-based engineering cost record book according to claim 1, wherein: The first connecting piece (100) includes multiple groups of first limiting clamp (110) and multiple groups of second limiting clamp (120), the lower side of multiple groups of first limiting clamp (110) is connected with first connecting rod (130), the lower side of multiple groups of second limiting clamp (120) is connected with second connecting rod (140), the upper side of first limiting clamp (110) is connected with first magnetic block (150), the upper side of second limiting clamp (120) is connected with second magnetic block (160), the lower side of first limiting clamp (110) and second limiting clamp (120) is connected with third connecting rod (170).
3. The expandable page-based engineering cost record book according to claim 1, wherein: The expansion paper (500) includes double-sided adhesive paper (510), the double-sided adhesive paper (510) is set with the placement slot that is matched with second connecting piece (400), the upper and lower sides of double-sided adhesive paper (510) are connected with single-sided silicon oil paper (520).
4. The expandable page-based engineering cost record book according to claim 1, wherein: The upper side of the first protection paper board (200) is set with a groove, the upper side of the first protection paper board (200) is connected with a first connecting belt (210), the right side of the first connecting belt (210) is connected with a sub-buckle (220), and the upper side of the first protection paper board (200) is connected with a female buckle (230).
5. The expandable page-based engineering cost record book according to claim 1, wherein: The outer side of the second connecting piece (400) is provided with a second protection paper board (600), and the second protection paper board (600) is located on the upper side of the expansion paper (500).
6. The expandable page engineering cost record book according to claim 1, wherein: The body of the expansion paper (500) is provided with a tear opening (501).