CN201350986Y

CN201350986Y - Concave-convex immersed dual-sided plastic tray

Info

Publication number: CN201350986Y
Application number: CNU200920037664XU
Authority: CN
Inventors: 周红年
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-01-21
Filing date: 2009-01-21
Publication date: 2009-11-25
Anticipated expiration: 2019-01-21

Abstract

The utility model discloses a concave-convex immersed dual-sided plastic tray which comprises an upper plate face and a lower plate face. A plurality of joint faces are arranged in parallel at the opposite sides of the upper plate face and the lower plate face, and a plurality of through holes used for being penetrated through by connecting pieces are arranged at the two ends and the middle parts of the upper plate face and the lower plate face. The concave-convex immersed dual-sided plastic tray is characterized in that: a first convex part and a first concave part are arranged at the position of the joint faces of the upper plate face, a second convex part and a second concave part are arranged at the position of the joint faces of the lower plate face, the first convex part is matched with the second concave part, and the first concave part is matched with the second convex part; each connecting piece is a hollow cylinder in an entire manner, a protruded circular ring which is matched with the through hole is arranged at one end of each connecting piece, and two clamping parts are symmetrically arranged at the other end; the upper part of each clamping part is the extension of the cylinder of the connecting piece, and the lower part is a taper part; notches are arranged at the two sides at the lower parts of the through holes, and the taper parts and shoulder parts of the clamping parts can be stretched into the notches. The service life of the concave-convex immersed dual-sided plastic tray can be prolonged.

Description

The two-sided plastic pallet of concavo-convex sunk

Technical field

The utility model relates to a kind of two-sided plastic pallet, especially relates to the two-sided plastic pallet of a kind of concavo-convex sunk, belongs to the plastic product processing technique field.

Background technology

The version of the plastic pallet of Shi Yonging has a variety of in the market, but for two-sided plastic pallet, owing to be subjected to the restriction of material welding performance, can only adopt welding performance preferably Co-polypropylene or the waste and old recovery plastics that mix make, so cause the service life of plastic pallet short, easily damaged, resistance to low temperature is poor.

Fig. 1 is the structural representation of the two-sided combined plastic pallet of prior art, and it comprises upper face 1 and lower face 2, is provided with rotation connector A 3 and rotation connector B 4 in the periphery and the middle part of upper and lower plate face, and the upper and lower plates face is linked together.Upper face 1 and lower face 2 adopt the HDPE material to use a kind of mould to machine by twice, and under the effect that screws attaching parts A, B, upper and lower plate face is combined into double deck pallet.Because two plate joints exist no restrained deformation, the effective bonding area of two plates is reduced, especially under dynamic load effect, the situation that the carrying of double deck pallet single face can occur, reduced the ability of carrying live load, simultaneously, because the pressure of the effective contact position of face of joint is very big, so the edge of a knife that the face of joint place forms wearing and tearing occur easily to the contact surface of the edge of a knife.Therefore, although selected face sheet material function admirable, the pallet integrated carrying is relatively poor.

Fig. 2 is the structural representation of the two-sided welded type plastic pallet of prior art.Comprise upper face 1 and lower face 2, and between upper face 1 and the lower face 2 by being welded together.Its weldability of different raw materials is also different, as adopt the HDPE material, its welding difficulty is bigger, welding effect is undesirable, therefore can only select welding performance Co-polypropylene or reclaim again the waste or used plastics of usefulness preferably, but its physical property especially resistance to low temperature is relatively poor, makes reduce greatly the service life of such plastic pallet.

The utility model content

Technical problem to be solved in the utility model provides a kind of long service life, two-sided plastic pallet that resistance to low temperature is good.

For solving the problems of the technologies described above, the utility model provides a kind of concavo-convex sunk two-sided plastic pallet, comprise upper face and lower face, opposite side on upper face and the lower face a plurality of face of joints that have been arranged in parallel, and two ends and middle part at upper face and lower face are provided with a plurality of through holes that are used to penetrate connector, it is characterized in that: the face of joint place that is positioned at upper face is provided with first protuberance and first recess, the face of joint place that is positioned on the lower face is provided with second protuberance and second recess, and first protuberance matches with second recess, first recess matches with second protuberance, described connector integral body is the cylindrical of hollow, one end has the projection annulus that can match with through hole, the other end is symmetrically arranged with two Access Divisions, top, described Access Division is divided into the cylindrical extension of connector, the bottom is divided into the tapering, has breach in the both sides, bottom of described through hole, and the shoulder in the tapering of described Access Division can stretch into breach.

The beneficial effect that the utility model reached:

The face of joint of the upper and lower plate face of the utility model adopts the off normal arrangement of concavo-convex sunk and the anastomosis of connector, make upper and lower plate face be connected into an integral body, the distortion that face of joint took place of upper and lower plate face is to carry out under the situation of constraint, increased effective bonding area of two plates greatly, increased the jointing edge of vertical direction simultaneously, make upper and lower plate face can carry live load, avoided because the excessive damage that causes pallet of local carrying, prolonged the service life of pallet, good material is made pallet can to select resistance to low temperature without restriction for use simultaneously.

Description of drawings

Fig. 1 is the structural representation of the two-sided combined plastic pallet of prior art;

Fig. 2 is the structural representation of the two-sided welded type plastic pallet of prior art;

Fig. 3 is the structural representation of the two-sided plastic pallet of concavo-convex sunk of the present utility model;

Fig. 4 is the two-sided plastic pallet connector of a concavo-convex sunk of the present utility model position enlarged diagram;

Fig. 5 is the connected piece structure scheme drawing among Fig. 4;

Fig. 6 is the cutaway view behind the connector half-twist among Fig. 5;

Fig. 7 is the anti-tripping structural representation of locking of the present utility model.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.Fig. 3 is the structural representation of the two-sided plastic pallet of concavo-convex sunk of the present utility model; Fig. 4 is the two-sided plastic pallet connector of a concavo-convex sunk of the present utility model position enlarged diagram; Fig. 5 is the connected piece structure scheme drawing among Fig. 4; Fig. 6 is the cutaway view behind the connector half-twist among Fig. 5; Fig. 7 is the anti-tripping structural representation of locking of the present utility model.

The two-sided plastic pallet of a kind of concavo-convex sunk of the present utility model, comprise upper face 1 and lower face 2, opposite side on upper face 1 and the lower face 2 a plurality of face of joints that have been arranged in parallel, and two ends and middle part at upper face 1 and lower face 2 are provided with a plurality of through holes 12 that are used to penetrate connector 7, it is characterized in that: the face of joint place that is positioned at upper face 1 is provided with the first protuberance 5a and the first recess 5b, the face of joint place that is positioned on the lower face 2 is provided with the second protuberance 6a and the second recess 6b, and the first protuberance 5a matches with the second recess 6b, the first recess 5b matches with the second protuberance 6a, described connector 7 integral body are the cylindrical of hollow, one end has the projection annulus 71 that can match with through hole 12, the other end is symmetrically arranged with two

Access Divisions

72,72 tops, described Access Division are divided into the cylindrical extension of connector 7, the bottom is divided into tapering 73, both sides, bottom at described through hole 12 have breach 10, and the shoulder in the tapering 73 of described Access Division 72 can stretch into breach 10.

The first protuberance 5a at described each face of joint place that is positioned at top panel 1 and the first recess 5b are asymmetric setting with respect to the left and right sides line of centers of top panel 1; The second protuberance 6a at described each face of joint place that is positioned at top panel 2 and the second recess 6b are asymmetric setting with respect to the left and right sides line of centers of top panel 2.

Be provided with in through hole 12 bottoms of described lower face 2 can with connector 7 joining lockings anti-tripping 8, anti-tripping 8 integral body of described locking are the annular arrangement of hollow, have successively the shoulder projection 81, button 82 and the bottom 83 that link to each other, described shoulder projection 81 places more than the shoulder in tapering 73 of Access Division 72.

Described connector 7 is identical with the material of pallet upper face 1, lower face 2 with the material of locking anti-tripping 8.

The two-sided plastic pallet installation method of concavo-convex sunk of the present utility model is: after the jog alignment with the face of joint of top panel and lower faceplate, each connector is inserted in the through hole, the tapering part of the Access Division 72 of connector just snaps onto breach 10 places of through hole 12, so just upper face 1 and lower face 2 can be connected effectively, be the distortion of Access Division 72 under dynamic load effect that prevents connector, will lock anti-tripping 8 Access Divisions 72 that snap onto connector 7 again.

The two-sided plastic pallet of concavo-convex sunk of the present utility model, the face of joint of upper and lower plate face adopts the off normal arrangement of concavo-convex sunk and the anastomosis of connector, makes upper and lower plate face be connected into an integral body.And, because that each face of joint of upper and lower plate face concavo-convex sinks to part is whole for asymmetric setting for the plate face,, saved productive costs so upper and lower plate face can be made production by same mould, can reverse end for end combination when mounted.The distortion that face of joint took place of upper and lower plate face of the present utility model is to carry out under the situation of constraint, increased effective bonding area of two plates greatly, increased the jointing edge of vertical direction simultaneously, make upper and lower plate face can carry live load, avoided because the excessive damage that causes pallet of local carrying, prolonged the service life of pallet, good material is made pallet can to select resistance to low temperature without restriction for use simultaneously.

The locking mechanism that has guide-localization comprises connector 7 and locking anti-tripping 8, can adopt and tray plate face identical materials, because coefficient of expansion unanimity, can not damage because of temperature traverse causes pallet, adopt the anti-tripping structure of locking simultaneously, can effectively prevent to lose efficacy getting loose of dynamic load effect lower link 1.

Protection domain of the present utility model is not limited to the protection domain in the specific embodiment, and the distortion that does not need creative work that the specific embodiment is made all belongs to protection domain of the present utility model.

Claims

1. two-sided plastic pallet of concavo-convex sunk, comprise upper face (1) and lower face (2), opposite side on upper face (1) and the lower face (2) a plurality of face of joints that have been arranged in parallel, and two ends and middle part at upper face (1) and lower face (2) are provided with a plurality of through holes (12) that are used to penetrate connector (7), it is characterized in that: the face of joint place that is positioned at upper face (1) is provided with first protuberance (5a) and first recess (5b), the face of joint place that is positioned on the lower face (2) is provided with second protuberance (6a) and second recess (6b), and first protuberance (5a) matches with second recess (6b), first recess (5b) matches with second protuberance (6a), described connector (7) integral body is the cylindrical of hollow, one end has the projection annulus (71) that can match with through hole (12), the other end is symmetrically arranged with two Access Divisions (72), top, described Access Division (72) is divided into the cylindrical extension of connector (7), the bottom is divided into tapering (73), have breach (10) in the both sides, bottom of described through hole (12), the shoulder in the tapering (73) of described Access Division (72) can stretch into breach (10).

2. the two-sided plastic pallet of concavo-convex sunk according to claim 1 is characterized in that: first protuberance (5a) at described each face of joint place that is positioned at top panel (1) and first recess (5b) are asymmetric setting with respect to the left and right sides line of centers of top panel (1); Second protuberance (6a) at described each face of joint place that is positioned at top panel (2) and second recess (6b) are asymmetric setting with respect to the left and right sides line of centers of top panel (2).

3. the two-sided plastic pallet of concavo-convex sunk according to claim 1 and 2, it is characterized in that: be provided with in the through hole (12) of described lower face (2) bottom can with the joining locking of connector (7) anti-tripping (8), described locking anti-tripping (8) integral body is the annular arrangement of hollow, have successively the shoulder projection (81) that links to each other, button (82) and bottom (83), described shoulder projection (81) places more than the shoulder in tapering (73) of Access Division (72).

4. the two-sided plastic pallet of concavo-convex sunk according to claim 1 and 2 is characterized in that: described connector (7) is identical with the material of pallet upper face (1), lower face (2) with the material of locking anti-tripping (8).