Portable cost calculation board

Abstract

The utility model provides a portable cost calculation board, which comprises a portable box, a pull ring fixed at the top of the portable box, a calculation board arranged inside the portable box and a folding mechanism arranged inside the portable box, the calculation board can be conveniently carried and stored by the folding mechanism, and the folding mechanism comprises a fixed shaft. The calculation board is arranged in a storage groove formed in the portable box, the fixed shaft is sleeved with the calculation board, the two ends of the fixed shaft are fixedly connected with the inner wall of the storage groove, a plurality of transverse rods are fixed to the front face of the portable box, the transverse rods are sleeved with check blocks, a baffle is fixed to one end of each transverse rod, and a movable groove is formed in the portable box. The portable cost calculation board provided by the utility model solves the problems that when a client uses the display board to calculate the cost, the display board needs to be frequently carried to a site for use, and the display main board is directly arranged on a calculation frame and is inconvenient to fold and store, so that the client is inconvenient to carry the display board.

Description

Technical Field

[0001] The utility model relates to the technical field of cost calculation boards, in particular to a portable cost calculation board. Background Art

[0002] Project cost refers to the total cost of carrying out a certain project construction. During the project cost process, it is usually necessary to use a calculation board to calculate and display it.

[0003] Authorization announcement number: CN209436670U discloses an engineering cost budget auxiliary display board, which uses a rotating shaft to connect the display main board with the support board, so that the display main board can be rotated in the support board. By pulling the limit rod, the bottom end of the limit rod can leave the limit on the limit groove, and the limit is released by the limit groove, so that the display main board can be flipped. After flipping the display main board, the limit rod can be loosened to allow the spring to deform and generate elastic force to push the limit rod into the limit groove to limit the display main board, thereby achieving the effect of increasing the display content through double-sided display.

[0004] However, when customers use the display board to calculate the cost, the display board needs to be often carried to the site for use. Since the display main board is directly set on the calculation frame, the display main board is not convenient to fold and store, which makes it inconvenient for customers to carry the display board. Therefore, it is necessary to provide a new portable cost calculation board to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a portable cost calculation board which is convenient for folding and storing the display board.

[0006] The portable cost calculation board provided by the utility model comprises a portable box, a pull ring is fixed on the top of the portable box, a calculation board is arranged inside the portable box, and a folding mechanism is arranged inside the portable box, and the folding mechanism is convenient for carrying and storing the calculation board.

[0007] The folding mechanism includes a fixed shaft, the calculation board is arranged inside the storage slot opened in the portable box, the fixed shaft is sleeved inside the calculation board, the two ends of the fixed shaft are fixedly connected to the inner wall of the storage slot, a plurality of cross bars are fixed on the front of the portable box, a stopper is sleeved on the outer side of the cross bar, a baffle is fixed at one end of the cross bar, a movable groove is opened inside the portable box, a spring is fixed to the inner side wall of the movable groove, one end of the spring is fixedly connected to an extrusion plate, a fixing rod is fixed to one side of the extrusion plate, and one end of the fixing rod is inserted into the fixing hole opened in the stopper.

[0008] In order to achieve the effect of supporting the calculation board, the utility model provides a portable cost calculation board. Preferably, a plurality of grooves are opened inside the portable box, and a support rod 1 is arranged inside the groove, and a movable shaft is arranged on the support rod 1, and both ends of the movable shaft are fixedly connected to the inner wall of the groove, and a rotating plate is connected to the top of the support rod 1, and a support rod 2 is connected to the top of the rotating plate. A plurality of groups of vertical plates are fixed to the bottom of the calculation board, and the plurality of groups of vertical plates are grouped in pairs. A screw is arranged on one side of the vertical plate, and one end of the screw passes through the vertical plate and the support rod 2 in sequence and extends to one side of the other vertical plate, and the screw extends out of the other vertical plate and is locked with a nut on the outside.

[0009] In order to achieve the effect of adjusting the use length of support rod one and support rod two, the utility model provides a portable cost calculation board. Preferably, a threaded rod is fixedly connected to the bottom of the rotating plate, and the threaded rod is screwed into a threaded groove opened inside support rod one.

[0010] In order to achieve the effect of normal connection between the rotating plate and the second support rod for use, the utility model provides a portable cost calculation board. Preferably, a rotating groove is opened inside the second support rod, a rotating plate is arranged inside the rotating groove, a connecting rod is fixedly connected to the bottom of the rotating plate, and the connecting rod extends out of the bottom end of the second support rod and is fixedly connected to the top of the rotating plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The portable cost calculation board adopts a folding mechanism, so that the calculation board can be folded and stored in a portable box, and the calculation board is limited and fixed by the cooperation of a stop block and a fixing rod, and then the calculation board can be carried by holding a pull ring on the top of the portable box, thereby solving the problem that when customers use the display board for cost calculation, the display board needs to be often carried to the site for use, and since the display main board is directly set on the calculation frame, the display main board is not convenient to fold and store, which makes it inconvenient for customers to carry the display board. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A structural schematic diagram of a preferred embodiment of the portable cost calculation board provided by the utility model;

[0014] Figure 2 For this utility model Figure 1 The enlarged schematic diagram at A in the middle;

[0015] Figure 3 This is a schematic diagram of the calculation board of the utility model;

[0016] Figure 4 For this utility model Figure 3 The enlarged schematic diagram of point B in the middle;

[0017] Figure 5 This is a side view of the structure of the utility model;

[0018] Figure 6 It is a three-dimensional diagram of the structure of the utility model.

[0019] Among them: 1. portable box; 101. fixed axis; 102. storage slot; 103. cross bar; 104. block; 105. baffle; 106. movable slot; 107. spring; 108. extrusion plate; 109. fixed rod; 110. fixed hole; 111. groove; 112. support rod one; 113. movable axis; 114. rotating plate; 115. support rod two; 116. threaded rod; 117. threaded groove; 118. rotating groove; 119. rotating plate; 120. connecting rod; 2. pull ring; 3. calculation board; 301. vertical plate; 302. screw; 303. nut. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 ,in Figure 1 A structural schematic diagram of a preferred embodiment of the portable cost calculation board provided by the utility model; Figure 2 For this utility model Figure 1 The enlarged schematic diagram at A in the middle; Figure 3 This is a schematic diagram of the calculation board of the utility model; Figure 4 For this utility model Figure 3 The enlarged schematic diagram of point B in the middle; Figure 5 This is a side view of the structure of the utility model; Figure 6A portable cost calculation board, comprising a portable case 1, a pull ring 2 is fixed on the top of the portable case 1, a calculation board 3 is arranged inside the portable case 1, a folding mechanism is arranged inside the portable case 1, the folding mechanism is convenient for carrying and storing the calculation board 3, the folding mechanism comprises a fixed shaft 101, the calculation board 3 is arranged inside a storage slot 102 opened in the portable case 1, the fixed shaft 101 is sleeved inside the calculation board 3, and both ends of the fixed shaft 101 are fixedly connected to the inner wall of the storage slot 102 A plurality of cross bars 103 are fixed on the front of the portable box 1, a block 104 is sleeved on the outside of the cross bar 103, a baffle 105 is fixed at one end of the cross bar 103, a movable groove 106 is opened inside the portable box 1, a spring 107 is fixed to the inner wall of the movable groove 106, one end of the spring 107 is fixedly connected to an extrusion plate 108, a fixing rod 109 is fixed on one side of the extrusion plate 108, and one end of the fixing rod 109 is inserted into a fixing hole 110 opened in the block 104.

[0022] By means of the above technical scheme, the calculation board 3 can be rotated by the fixed shaft 101 so that the calculation board 3 is folded into the storage groove 102, and then the stopper 104 on the outer side of the cross bar 103 is rotated so that the stopper 104 contacts the calculation board 3, and the calculation board 3 is limited and fixed by the stopper 104. The stopper 105 at one end of the cross bar 103 can prevent the stopper 104 from falling off the cross bar 103, and when the stopper 104 limits the calculation board 3, the fixed rod 109 in the movable groove 106 enters the fixed hole 110 opened by the stopper 104 under the elastic action of the spring 107, and the stopper 104 is fixed by the cooperation of the fixed rod 109 and the fixed hole 110, so that the stopper 104 is more stable when it is limited and fixed to the calculation board 3 to prevent the stopper 104 from rotating at will, and then the calculation board 3 can be carried by the pull ring 2 on the top of the handheld portable case 1.

[0023] Reference Figure 1 , Figure 5 and Figure 6 A plurality of grooves 111 are provided inside the portable box 1, a support rod 112 is provided inside the groove 111, a movable shaft 113 is provided on the support rod 112, both ends of the movable shaft 113 are fixedly connected to the inner wall of the groove 111, a rotating plate 114 is connected to the top of the support rod 112, a support rod 2 115 is connected to the top of the rotating plate 114, a plurality of groups of vertical plates 301 are fixed at the bottom of the calculation board 3, the plurality of groups of vertical plates 301 are grouped in pairs, a screw 302 is provided on one side of the vertical plate 301, one end of the screw 302 passes through the vertical plate 301 and the support rod 2 115 in sequence and extends to one side of the other vertical plate 301, and the screw 302 extends out of the other vertical plate 301 and is locked with a nut 303 on the outside.

[0024] Through the above technical solution, when the calculation board 3 is in use, the support rod 1 12 and the support rod 2 115 in the groove 111 are rotated so that one end of the support rod 2 115 enters between the two vertical plates 301, and then the two vertical plates 301 and the support rod 2 115 can be fixed together by the cooperation of the screw 302 and the nut 303. The calculation board 3 can be supported by the cooperation of the support rod 1 112 and the support rod 2 115, so that the calculation board 3 is more stable during use.

[0025] Reference Figure 3 A threaded rod 116 is fixedly connected to the bottom of the rotating plate 114, and the threaded rod 116 is screwed into the threaded groove 117 opened inside the support rod 112. The rotating plate 114 is rotated, and the threaded rod 116 is driven to rotate in the threaded groove 117 through the rotating plate 114. The threaded rod 116 is moved to the outside of the support rod 1 112 through the cooperation between the threaded rod 116 and the threaded groove 117. The movement of the threaded rod 116 can adjust the use length of the support rod 1 112 and the support rod 2 115, making the support rod 1 112 and the support rod 2 115 more convenient to use.

[0026] Reference Figure 4 A rotating groove 118 is provided inside the second support rod 115, and a rotating plate 119 is provided inside the rotating groove 118. A connecting rod 120 is fixedly connected to the bottom of the rotating plate 119. The connecting rod 120 extends out of the bottom end of the second support rod 115 and is fixedly connected to the top of the rotating plate 114. When the rotating plate 114 rotates, the connecting rod 120 and the rotating plate 119 are driven to rotate. Through the cooperation between the connecting rod 120 and the rotating plate 119, the rotating plate 114 and the second support rod 115 are normally connected and used.

[0027] The implementation principle of a portable cost calculation board of the utility model embodiment is as follows: the calculation board 3 can be rotated by a fixed shaft 101, so that the calculation board 3 is folded into the storage groove 102, and then the stopper 104 on the outer side of the cross bar 103 is rotated to make the stopper 104 contact with the calculation board 3, and the calculation board 3 is limited and fixed by the stopper 104, and the stopper 105 at one end of the cross bar 103 can prevent the stopper 104 from falling off the cross bar 103, and when the stopper 104 limits the calculation board 3, the fixed rod 109 in the movable groove 106 enters the fixed hole 110 opened by the stopper 104 under the elastic action of the spring 107, and the stopper 104 is fixed by the cooperation of the fixed rod 109 and the fixed hole 110, so that the stopper 104 is more stable when it is limited and fixed to the calculation board 3, so as to prevent the stopper 104 from rotating at will, and then the calculation board 3 can be carried by the pull ring 2 on the top of the handheld portable case 1.

[0028] The standard parts used in the utility model can all be purchased from the market, special-shaped parts can be customized according to the description in the specification and the drawings, the specific connection methods of each part all adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art, the machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here, and the components known to technical personnel in this field, their structures and principles can be known to these technical personnel through technical manuals or through conventional experimental methods.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable cost calculation board, characterized in that: The portable box (1) comprises a pull ring (2) fixed on the top of the portable box (1), a calculation board (3) is arranged inside the portable box (1), and a folding mechanism is arranged inside the portable box (1), and the folding mechanism facilitates the carrying and storage of the calculation board (3); The folding mechanism comprises a fixed shaft (101), the calculation board (3) is arranged inside a storage slot (102) provided in the portable case (1), the fixed shaft (101) is sleeved inside the calculation board (3), the two ends of the fixed shaft (101) are fixedly connected to the inner wall of the storage slot (102), a plurality of cross bars (103) are fixed on the front of the portable case (1), the outer side of the cross bars (103) is sleeved with a stopper (104), and the cross bars (103) are sleeved with a stopper (104). A baffle (105) is fixed at one end of the block (103), a movable groove (106) is provided inside the portable case (1), a spring (107) is fixed to the inner wall of the movable groove (106), one end of the spring (107) is fixedly connected to an extrusion plate (108), one side of the extrusion plate (108) is fixed with a fixing rod (109), and one end of the fixing rod (109) is inserted into a fixing hole (110) provided in the baffle (104).

2. A portable cost calculation board according to claim 1, characterized in that: The portable case (1) is provided with a plurality of grooves (111) inside, a support rod (112) is provided inside the groove (111), a movable shaft (113) is provided on the support rod (112), both ends of the movable shaft (113) are fixedly connected to the inner wall of the groove (111), a rotating plate (114) is connected to the top of the support rod (112), a support rod (115) is connected to the top of the rotating plate (114), a plurality of groups of vertical plates (301) are fixed to the bottom of the calculation board (3), the plurality of groups of vertical plates (301) are grouped in pairs, a screw (302) is provided on one side of the vertical plate (301), one end of the screw (302) passes through the vertical plate (301) and the support rod (115) in sequence and extends to one side of another vertical plate (301), and the screw (302) extends out of the other vertical plate (301) and is locked with a nut (303) on the outside.

3. A portable cost calculation board according to claim 2, characterized in that: A threaded rod (116) is fixedly connected to the bottom of the rotating plate (114), and the threaded rod (116) is screwed into a threaded groove (117) provided inside the first supporting rod (112).

4. A portable cost calculation board according to claim 2, characterized in that: A rotation groove (118) is provided inside the second support rod (115), a rotation plate (119) is provided inside the rotation groove (118), a connecting rod (120) is fixedly connected to the bottom of the rotation plate (119), and the connecting rod (120) extends out of the bottom end of the second support rod (115) and is fixedly connected to the top of the rotating plate (114).

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