CN206347004U - The fixation latch structure of plaque under a kind of automobile tail gate - Google Patents

Abstract

The utility model discloses a kind of fixation latch structure of plaque under automobile tail gate, including the first pin-and-hole and the second pin-and-hole and corresponding steady pin, first pin-and-hole and the second pin-and-hole are interconnected to form the entirety in calabash shaped, steady pin is by plunger, chuck, neck and card cap composition, steady pin is fixed in the first pin-and-hole, the through hole of a curved lenticular shape is provided with above the overall eck passage of the calabash shaped, so as to form a fillet between eck passage and through hole, latch structure was fixed compared to former integral type, because intensity is higher, steady pin is difficult to be less than the eck passage of itself by diameter, after this utility model, it is easy to deformation because the intensity of fillet is relatively low, steady pin is easily entered enters the first pin-and-hole by eck passage.

Description

The fixation latch structure of plaque under a kind of automobile tail gate

Technical field

The utility model is related to a kind of steady pin knot of plaque under technical field of automobile parts, more particularly to automobile tail gate Structure.

Background technology

The fixation latch structure of plaque under existing automobile tail gate, by one be more than steady pin diameter of chuck the second pin-and-hole and One corresponding with the recess diameter of the steady pin the first pin-and-hole composition, steady pin is fixed in the first pin-and-hole, and described the It is connected with each other, when installing steady pin, the steady pin is put from the second pin-and-hole in calabash shaped between one pin-and-hole and the second pin-and-hole Enter, by the neck interface channel between the first pin-and-hole and the second pin-and-hole, into the first pin-and-hole so as to be fixed.

The fixation latch structure of plaque has following deficiency under existing automobile tail gate：

In order that steady pin is not fallen off, the eck interface channel width between first pin-and-hole and the second pin-and-hole should be small In the recess diameter of the steady pin, thus needing to make eck interface channel to deform upon expansion can allow steady pin to enter fixation Pin-and-hole, because the lower plaque of the automobile tail gate is integral type structure, intensity is higher so that eck interface channel is difficult to expand Open deformation so that steady pin enters fixed pin holes relative difficulty, have impact on installation effectiveness.

Utility model content

Based on this there is provided a kind of fixation latch structure of plaque under automobile tail gate, so as to solve existing fixed latch structure peace The problem of filling steady pin relative difficulty.

To solve above technical problem, the utility model is adopted the following technical scheme that：

The fixation latch structure of plaque under a kind of automobile tail gate, including a fixing key seat and a corresponding steady pin Son, the fixing key seat is to be provided with first on the inversion peviform base that an edge is smooth surface, the inversion peviform base Pin-and-hole and the second pin-and-hole, the first pin-and-hole and the second pin-and-hole, which are connected with each other, makes the two form the entirety in calabash shaped, the calabash The overall neck finish diameter of reed shape is less than the diameter of first pin-and-hole, and second pin-and-hole is located on the right side of eck, first pin Hole position is provided with a curved lenticular through hole, the lenticular on the left of eck above the overall eck passage of the calabash shaped A fillet is formd between through hole and the eck passage；

The fixator pins include the plunger installed in chuck top, and chuck bottom is connected with neck, and card cap is installed on neck Portion bottom, the card crown portion offsets with the chuck bottom and the inwall of the fixing key seat.

As a kind of preferred scheme of the present utility model, the chuck and card cap of the fixator pins are circle, and neck is circle Cylinder, the diameter of chuck is maximum, and the diameter of neck is minimum, and the diameter of card cap is between the chuck and card cap.

As a kind of preferred scheme of the present utility model, second pin-and-hole is rounded, and the first pin-and-hole lower side is straight line, Upper side edge is the camber line of convex, and the camber line is located at the left side of the calabash shaped eck passage, one is provided with the first pin-and-hole The individual breach extended along the first pin-and-hole upper left side, the breach end face is circular arc, and the end face is basic in flat by two Capable line extends to first pin-and-hole.

As a kind of preferred scheme of the present utility model, the maximum gauge of first pin-and-hole and the corresponding fixator pins Recess diameter it is equal, the diameter of the second pin-and-hole is slightly larger than the diameter of chuck of corresponding fixator pins.

What the program was brought has the beneficial effect that：After this fixation latch structure, it can subtract when fixator pins are installed Few fixator pins make installation become easy by expansion stresses during the overall eck passage of the calabash shaped.

Brief description of the drawings

Fig. 1 is top view of the present utility model；

Fig. 2 is the profile of steady pin in the utility model；

Fig. 3 is that the utility model installs the dimensional structure diagram after fixator pins.

Wherein：1- fixed pin holes, 2- installs pin-and-hole, and 3- through holes, 4- fillets 8- is raised, 5- card caps, 6- chucks, 7- necks Portion.

Embodiment

The utility model is specifically described with reference to embodiment：

As shown in figure 1, under a kind of automobile tail gate plaque fixation latch structure, including a fixing key seat and a steady pin Son, fixing key seat includes being provided with the first pin on the inversion peviform base that an edge is smooth surface, the inversion peviform base The pin-and-hole 2 of hole 1 and second, first pin-and-hole 1 and second pin-and-hole 2 are connected with each other, so that it is in cucurbit that the two, which is linked as one, The entirety of shape, the overall neck portion diameter of the calabash shaped is less than the diameter of the first pin-and-hole 1 to ensure that steady pin is unlikely to Skidded off out of first pin-and-hole 1.

The pin-and-hole 2 of first pin-and-hole 1 and second is located at the left and right sides of the overall eck of the calabash shaped, the second pin-and-hole respectively 2 be circle, and the lower side of the first pin-and-hole 1 is straight line, and upper side edge is then an outside recessed camber line, and the design to install solid During rationed marketing, most of stress is all concentrated on the upper side edge of the first pin-and-hole 1, and due to this programme, largely improvement is located at described first The upper side edge of pin-and-hole, the improving effect that the present invention can be caused by being so designed that is maximized.

A breach 8 extended along the upper left side of the first pin-and-hole 1, the end of breach 8 are provided with first pin-and-hole 1 Face is circular arc, and the end face extends to first pin-and-hole 1 in parallel line substantially by two, and the design can reduce described The expansion stresses of calabash shaped entirety eck passage, the circular-arc-shaped design of the end face of breach 8 can prevent stress from being torn caused by concentrating.

For the fixator pins of the fixing key seat, as shown in Fig. 2 fixator pins are fixed in the first pin-and-hole 1, it is described solid Rationed marketing is made up of the chuck 6 for being respectively arranged in the two ends of neck 7 with card cap 5, and plunger is arranged on chuck 6, chuck 6 and card cap 5 Offseted with the inwall of fixing key seat, the diameter of the chuck 6 is maximum, the diameter of neck 7 is minimum, and the diameter of card cap 5 is between chuck 6 Between neck 7, the diameter of first pin-and-hole 1 is equal with the diameter of neck 7 of the steady pin so as to play fixed effect, institute Chuck 6 diameter of the diameter slightly larger than the steady pin of the second pin-and-hole 2 is stated so that fixator pins can be put into fixing key seat.

A curved lenticular through hole 3 is provided with above the eck passage, is led in the through hole 3 and the eck A fillet 4 is formd between road, compared to original integrally formed fixing key seat, the intensity of the fillet 4 is lower thus more hold Easily deform upon, while curved lenticular through hole can allow two sides up and down of the fillet to form two songs being parallel to each other Line, so that the width of fillet is consistent substantially, will not be concentrated because of the uneven caused local pressure of width makes fillet Tear.

When mounted, as shown in figure 3, fixator pins slide through the overall eck passage of the calabash shaped so that fillet 4 Deform upon, the through hole 3 positioned at the opposite side of fillet 4 for the deformation of the fillet 4 provides space, positioned at described The upper left breach 8 of one pin-and-hole 1 reduces the stress needed for the overall eck passage expansion of the calabash shaped, so that eck passage It is easier to expand deformation compared to integrally formed fixing key seat before, fixator pins is slipped into first more easily by eck passage Fixed in pin-and-hole 1, simplify installation process.

Claims (4)

1. the fixation latch structure of plaque under a kind of automobile tail gate, including a fixing key seat and corresponding fixator pins, institute It is to be provided with the first pin-and-hole on the inversion peviform base that an edge is smooth surface, the inversion peviform base to state fixing key seat (1) and the second pin-and-hole (2), first pin-and-hole (1) is connected with the second pin-and-hole (2) makes the two form one in the whole of calabash shaped Body, the overall eck passage of the calabash shaped is less than the diameter of first pin-and-hole (1), first pin-and-hole (1) and the second pin Hole (2) is located at the left and right sides of eck passage respectively, it is characterised in that：Second pin-and-hole (2) is circle, first pin-and-hole (1) lower side is straight line, and upper side edge is the camber line of a convex, and one is provided with above the overall eck passage of the calabash shaped Individual curved lenticular through hole (3), so as to form a fillet (4), institute between the eck passage overall with the calabash shaped Stating fixator pins includes the plunger installed in chuck (6) top, and chuck (6) bottom is connected with neck (7), and card cap (5) is installed on Offseted at the top of neck (7) bottom, the card cap (5) with the chuck (6) bottom and the inwall of the fixing key seat.

2. according to the fixation latch structure of plaque under the automobile tail gate described in claim 1, it is characterised in that：The fixator pins Chuck (6) and card cap (5) are circle, and neck (7) is cylinder, and the diameter of chuck (6) is maximum, and the diameter of neck (7) is minimum, card The diameter of cap (5) is between the chuck (6) and card cap (5).

3. according to the fixation latch structure of plaque under the automobile tail gate described in claim 1, it is characterised in that：First pin-and-hole (1) breach (8) extended along the first pin-and-hole (1) upper left side is provided with, breach (8) end face is circular arc, The end face extends to first pin-and-hole (1) by two in parallel line.

4. according to the fixation latch structure of plaque under the automobile tail gate described in claim 2, it is characterised in that：First pin-and-hole (1) maximum gauge is corresponding with neck (7) diameter of corresponding fixator pins, diameter and the corresponding steady pin of the second pin-and-hole (2) Chuck (6) diameter of son is corresponding.