阅读说明：本技术 一种轻量化的冷藏箱及其提升箱体使用寿命的连接装置 (Lightweight fridge and connecting device for prolonging service life of refrigerator body thereof ) 是由 杜金生 于 2019-11-06 设计创作，主要内容包括：本发明公开了一种轻量化的冷藏箱及其提升箱体使用寿命的连接装置,属于冷藏车领域,其技术方案要点是,包括镶嵌于冷藏箱箱板内边缘处的两个木方,两个所述木方分别位于冷藏箱相互垂直的两个箱板,两个所述木方之间固定连接有紧固螺栓。本发明具有提升箱体箱板之间连接结构的效果。(The invention discloses a lightweight refrigerating box and a connecting device thereof for prolonging the service life of a box body, belonging to the field of refrigerating cars. The invention has the effect of improving the connecting structure between the box plates of the box body.)

1. The utility model provides an improve cold-stored box life's connecting device which characterized in that: including inlaying two flitches (105) of border in fridge boxboard (100), two flitch (105) are located fridge mutually perpendicular's two boxboards (100), two fixedly connected with fastening bolt (106) between flitch (105) respectively.

2. A coupling device for improving the service life of a refrigerator cabinet as claimed in claim 1, wherein: the fastening bolt (106) comprises a first screw rod (113), a second screw rod (114) is fixedly connected with the first screw rod (113) in a coaxial mode, the thread pitch of the first screw rod (113) is different from that of the second screw rod (114), a first thread groove (115) in threaded connection with the first screw rod (113) is formed in one batten (105), a second thread groove (116) is formed in the other batten (105) in a coaxial mode, a thread sleeve (117) is connected with the second thread groove (116) in a threaded mode, and the second screw rod (114) and the thread sleeve are connected in a sleeved mode through the thread sleeve (117).

3. A coupling device for improving the service life of a refrigerator body as claimed in claim 2, wherein: second screw rod (114) one end sliding connection has slider (118), draw-in groove (119) with slider (118) adaptation are seted up to thread bush (117) one end, circular slot (120) have been seted up to second screw rod (114) one end is coaxial, works as when slider (118) slide in draw-in groove (119) the terminal surface and the circular slot (120) lateral wall of slider (118) align, the one end threaded connection who keeps away from second screw rod (114) in second thread groove (116) has end cap (121), end cap (121) are towards the coaxial fixedly connected with fixture block (122) of one end in second thread groove (116) and circular slot (120) adaptation.

4. The utility model provides a fridge of lightweight, includes five boxboards (100), boxboard (100) divide into bottom plate (101), roof (102) and curb plate (103), curb plate (103) have three and perpendicular fixed connection in bottom plate (101), three curb plate (103) end to end in proper order, roof (102) fixed connection is in curb plate (103) one end of keeping away from bottom plate (101), roof (102) and curb plate (103) enclose into a rectangle box that has the opening, its characterized in that: the side plates (103) and the bottom plate (101), the side plates (103) and the side walls and the top plate (102) are connected through connecting devices (104), each connecting device (104) comprises two battens (105), the two battens (105) are respectively located on two box plates (100) of the refrigerator, the two box plates are perpendicular to each other, and fastening bolts (106) are fixedly connected between the battens (105).

5. The lightweight refrigerator as set forth in claim 4, wherein: the box plate (100) comprises a heat-insulating layer (107) and glass fiber reinforced plastics (108) fixedly connected to two sides of the heat-insulating layer (107) respectively, the batten (105) is fixedly connected to the edge of the box plate (100), and two sides of the batten (105) are bonded with the two glass fiber reinforced plastics (108) respectively.

6. The lightweight refrigerator as set forth in claim 5, wherein: the bottom plate (101) extends towards the glass fiber reinforced plastic (108) on the outer side of the box body to form an extending edge (109), and the width of the extending edge (109) is equal to the thickness of the side plate (103).

7. The lightweight refrigerator as set forth in claim 6, wherein: the batten (105) located in the side plate (103) is a first batten (110), the number of the first battens (110) is four, the four battens (105) are connected in an end-to-end mode to form a rectangular frame, the batten (105) in the bottom plate (101) is a second batten (111), one end of the second batten (111) is close to the first batten (110), and the first batten (110) and the second batten (111) are fixedly connected through fastening bolts (106).

8. A lightweight refrigerator as claimed in claim 7, further comprising: two adjacent first battens (110) in the same side plate (103) are in joggle joint.

9. A lightweight refrigerator as claimed in claim 8, further comprising: the second battens (111) are cuboid and parallel to each other, and two ends of the second battens (111) in the length direction are flush with two sides of the bottom plate (101).

Technical Field

The invention relates to the technical field of refrigerated trucks, in particular to a lightweight refrigerated container and a connecting device thereof for prolonging the service life of a container body.

Background

The refrigerator car is a closed van-type transport vehicle for maintaining the temperature of frozen or fresh-keeping goods, and is a special refrigerator-transport vehicle equipped with a refrigerating device of a refrigerating unit and a heat insulation compartment, and is commonly used for transporting frozen foods (a refrigerator car), dairy products (a dairy product transport vehicle), vegetables and fruits (a fresh-goods transport vehicle), vaccine drugs (a vaccine transport vehicle) and the like.

At present, the chinese patent publication No. CN208698598U discloses a high-strength sealed heat-insulating carriage for a refrigerator, which comprises a carriage body, a bottom plate, side baffles, a top cover plate, a carriage door, a rubber strip, a hinge, a door handle, a sealing strip, a base, a mounting strip, screws, a clamping plate, a heat-insulating layer, rivets, a connecting groove and an adhesive layer. The carriage box forms through three side shields, a bottom plate and a lamina tecti concatenation, and the inside adhesive layer that fills of spread groove that produces in the time of the concatenation between each board, the adhesive layer mainly glues, the talcum powder stirring is constituteed by two ingredient polyurethane structures, wherein the talcum powder accounts for than being 1/3, and two ingredient polyurethane structures glue and divide into: the component A and the component B are mixed in a ratio of 6:1, so that the adhesive force is strong, the heat conductivity coefficient is low, the weather resistance stability is good, and the strength and toughness are good, the overall strength, the sealing property and the heat preservation property of the carriage body of the refrigerated vehicle are enhanced, and water leakage and air leakage of the carriage are prevented. The invention has the characteristics of good sealing property and heat preservation property.

The above prior art solutions have the following drawbacks: the side baffle plates of the refrigerator body are fixedly connected with the bottom plate only through the adhesive, the connection strength is general, and the refrigerator car can be structurally damaged due to vibration in the driving process in the long-term transportation process.

Disclosure of Invention

The invention aims to provide a connecting device for prolonging the service life of a refrigerating box body, which increases the strength of a connecting structure between box plates of the box body, thereby prolonging the service life of the refrigerating box.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an improve connecting device of fridge life, is including inlaying two battens in fridge boxboard inner margin department, two the battens are located fridge mutually perpendicular's two boxboards respectively, two fixedly connected with fastening bolt between the battens.

Through adopting above-mentioned technical scheme, utilize fastening bolt with two flitch fixed connection to with two adjacent boxboard fixed connection, and then promoted the connection structure's between the boxboard stability.

The invention is further configured to: the fastening bolt comprises a first screw rod, a second screw rod is coaxially and fixedly connected with the first screw rod, the thread pitch of the first screw rod is different from that of the second screw rod, one batten is provided with a first thread groove in threaded connection with the first screw rod, the other batten is coaxially provided with a second thread groove, the second thread groove is in threaded connection with a thread sleeve, and the thread sleeve is sleeved on the second screw rod and is in threaded connection with the second screw rod.

Through adopting above-mentioned technical scheme, with first screw rod and a flitch threaded connection, then arrange the second screw rod in the second thread groove, it connects second flitch and second screw rod to recycle the thread bush, and then realized that two flitches pass through fastening bolt fixed connection, because the thread pitch of first screw rod thread pitch is different with the thread pitch of second screw rod, under the effect of the interlocking of first screw rod and second screw rod, prevented first screw rod and second screw rod from rotating, prevent that the vehicle from going the in-process and leading to fastening bolt not hard up because of the vibration, make the connection structure between the fridge box more stable.

The invention is further configured to: the improved screw rod structure is characterized in that one end of the second screw rod is slidably connected with a sliding block, one end of the threaded sleeve is provided with a clamping groove matched with the sliding block, one end of the second screw rod is coaxially provided with a circular groove, when the sliding block slides into the clamping groove, the end face of the sliding block is aligned with the side wall of the circular groove, one end of the second threaded groove, which is far away from the second screw rod, is connected with a plug in a threaded manner, and the plug faces towards the clamping block matched with the circular groove and fixedly connected with one end of the.

Through adopting above-mentioned technical scheme, end cap threaded connection makes the fixture block peg graft in the circular slot in the second thread groove, utilizes the removal of fixture block restriction slider, makes slider locking second screw rod and thread bush, avoids second screw rod and thread bush relative rotation, and it is more stable to further increase the connection structure between the fridge box.

Another object of the present invention is to provide a lightweight refrigerator which has a strong structural strength and improved service life.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a lightweight fridge, includes five boxboards, the boxboard divide into bottom plate, roof and curb plate, the curb plate has threely and perpendicular fixed connection in the bottom plate, and is three the curb plate is continuous ending in proper order, the one end of bottom plate is kept away from to roof fixed connection in the curb plate, bottom plate, roof and curb plate enclose into one and have an open-ended rectangle box, all connect through setting up connecting device between curb plate and the bottom plate, between the curb plate and between lateral wall and the roof, connecting device includes two flitches, two the flitch is located two boxboards of fridge mutually perpendicular respectively, two fixedly connected with fastening bolt between the flitch.

Through adopting above-mentioned technical scheme, utilize fastening bolt with two flitch fixed connection to with two adjacent boxboard fixed connection, and then promoted the connection structure's between the boxboard stability.

The invention is further configured to: the box board comprises a heat-insulating layer and glass fiber reinforced plastics fixedly connected to two sides of the heat-insulating layer respectively, the battens are fixedly connected to the edges of the box board, and two sides of the battens are bonded with the two glass fiber reinforced plastics respectively.

Through adopting above-mentioned technical scheme, the flitch is inlayed in the boxboard to it is more stable to have increased the connection structure of flitch and boxboard, makes the connection structure between the boxboard more stable.

The invention is further configured to: the bottom plate extends towards the glass fiber reinforced plastic outside the box body to form an extending edge, and the width of the extending edge is equal to the thickness of the side plate.

Through adopting above-mentioned technical scheme, utilize and prolong the limit and fix a position adjacent boxboard to increase two adjacent area of contact, further increase connection structure intensity between the boxboard.

The invention is further configured to: the wood battens are positioned in the side plates and are first wood battens, the number of the first wood battens is four, the four wood battens are connected in an end-to-end mode to form a rectangular frame, the wood battens in the bottom plate are second wood battens, one end of each second wood batten is close to the corresponding first wood batten, and the first wood battens and the corresponding second wood battens are fixedly connected through fastening bolts.

Through adopting above-mentioned technical scheme, utilize the flitch to enclose into rectangular frame, increase the structural strength of boxboard self.

The invention is further configured to: and two adjacent first battens in the same side plate are in joggle joint.

Through adopting above-mentioned technical scheme, increase the connection structure between the first flitch on the same curb plate more stable, increase the connection structure of box.

The invention is further configured to: the second flitch is the cuboid and all is parallel to each other, the both ends and the bottom plate both sides parallel and level of second flitch length direction.

Through adopting above-mentioned technical scheme, utilize the second flitch to increase the intensity of bottom plate, can bear the weight that needs cold-stored material in the box.

In conclusion, the invention has the following beneficial effects:

firstly, the battens are embedded in the box plates, and the two battens are fixedly connected by using the fastening bolts, so that two adjacent box plates are fixedly connected, the stability of a connecting structure between the box plates is improved, and the structural strength of the refrigerator body of the refrigerating box is improved;

secondly, the first screw rod and the second screw rod which are coaxially and fixedly connected are respectively in threaded connection between the two battens, and the two battens are fixedly connected by fastening bolts, so that two adjacent box plates are fixedly connected, and the stability of a connecting structure between the box plates is improved;

and thirdly, the bottom plate extends towards the glass fiber reinforced plastic plate outside the box body to form an extending edge, the adjacent box plates are positioned by utilizing the extending edge, two adjacent contact areas are increased, and the strength of the connecting structure between the box plates is further increased.

Drawings

FIG. 1 is a perspective view of embodiment 1;

FIG. 2 is a sectional view of the connecting device of embodiment 1;

fig. 3 is a perspective view for showing a batten connection structure according to embodiment 1;

FIG. 4 is a sectional view for showing a connecting device of embodiment 2;

fig. 5 is an exploded view for showing a fastening bolt in example 2.

Reference numerals: 100. a boxboard; 101. a base plate; 102. a top plate; 103. a side plate; 104. a connecting device; 105. wood block; 106. fastening a bolt; 107. a heat-insulating layer; 108. glass fiber reinforced plastic; 109. edge extension; 110. a first batten; 111. a second batten; 112. a third batten; 113. a first screw; 114. a second screw; 115. a first thread groove; 116. a second thread groove; 117. a threaded sleeve; 118. a slider; 119. a card slot; 120. a circular groove; 121. a plug; 122. a clamping block; 123. and (4) a box door.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.