CN210949395U

CN210949395U - Door type card

Info

Publication number: CN210949395U
Application number: CN201921663002.3U
Authority: CN
Inventors: 陶涛
Original assignee: Enwing Beijing Technology Co ltd
Current assignee: Enwing Beijing Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-07
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a door type card relates to the inside and outside gadget technical field of car. Including the buckle body, be provided with the through-hole on the buckle body, the arm that kick-backs is connected in a lateral wall of through-hole and extends to the inside of through-hole, and the joint is fixed on the arm that rebounds, has the clearance between the all the other lateral walls of the arm that rebounds and through-hole, and the elastic membrane is connected between all the other lateral walls of the arm that rebounds and through-hole. Therefore, after the elastic membrane connects the rebound arm, the clamping joint and the buckle body together, the self-locking force of the rebound reset in the door-shaped clamp is increased to two forces from the original one, one is from the force generated by the deformation of the rebound arm, the other is from the force generated by the deformation of the elastic membrane, and the two forces are superposed, so that the clamping strength of the door-shaped clamp is obviously improved, meanwhile, the integral bearing capacity is stronger, and the door-shaped clamp is not easy to damage in the disassembling process; thereby the problem of among the prior art door type card the resilience force of resilience arm is relatively weak and the door type card takes place to damage easily when dismantling.

Description

Door type card

Technical Field

The utility model relates to an inside and outside gadget technical field of car, more specifically say, relate to a door type card.

Background

With the continuous development of society and the continuous improvement of living standard of people, automobiles become common transportation tools for people to go out, and the rapid development of the automobile industry in recent years is promoted; the door-shaped card is a connection fastening structure commonly used for plastic parts and plastic parts or plastic parts and metal parts, and is widely applied to installation of automotive interior and exterior trimming parts.

As shown in fig. 1, a currently used door-type card includes a card connector 13, a resilient arm 14 and a buckle body 12, the card connector 13 is disposed on the resilient arm 14, a U-shaped through hole 15 is disposed between the resilient arm 14 and the buckle body 12, and the card connector 13, the resilient arm 14 and the buckle body 12 in the door-type card are of an integrated structure; fig. 2 is a top view of the combination of the door-shaped card 8 and the mating member 9, fig. 3 and fig. 4 are respectively cross-sectional views of the door-shaped card 8 and the mating member 9 in fig. 2 during the installation process, as shown in fig. 3, when the door-shaped card is pushed up from the lower end, the card connector 13 is pressed by the lower end of the mating member 9, so that the resilient arm 14 is deformed, as shown in fig. 4, when the card connector 13 continues to move up, the resilient arm 14 is reset, and the card connector 13 catches the upper end of the mating member 9, so as to complete the fastening; because the chucking of current structure joint 13 mainly resets by the rebounding arm 14 of door type card, accomplishes the auto-lock, and rebounding arm 14 only has one deck door type card body wall thickness, and the resilience force is relatively weak, and after the installation, rebounding arm 14 self-locking intensity is not enough, and joint intensity is hardly guaranteed, and the in-process of maintaining is carried out with door type card to the automobile individual spare part in addition, and the door type card takes place to damage easily, influences the assembly once more.

Therefore, how to solve the problems that the resilience force of the resilience arm of the door-shaped card is weak and the door-shaped card is easy to be damaged when being detached in the prior art becomes an important technical problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a door type card takes place the problem of damage easily when the resilience force of the resilience arm of door type card is more weak and door type card is dismantled among the solution prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a door-shaped card, which comprises a buckle body, a through hole arranged on the buckle body, and a rebounding arm connected with one side wall of the through hole and extending towards the inside of the through hole, wherein gaps are arranged between the rebounding arm and the rest side walls of the through hole; a snap on the resilient arm and an elastic membrane connected between the resilient arm and the remaining sidewall.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the elastic film fills the gap entirely.

Furthermore, the thickness of elastic membrane is 0.2mm just the elastic membrane with the resilience arm and the buckle body is the integral type structure of moulding plastics.

Furthermore, the cross section of the clamping joint is trapezoidal or triangular, and the bottom surface of the clamping joint is fixedly connected to the rebound arm.

Furthermore, the vertex angle of one end of the clamping joint, which is far away from the rebound arm, is a circular angle.

Further, still include with buckle base that the buckle body is connected perpendicularly and setting are in buckle base with the strengthening rib on the public perpendicular face of buckle body, the strengthening rib setting is keeping away from one side of joint.

Furthermore, the number of the reinforcing ribs is at least two.

Furthermore, the buckle base, the buckle body, the rebound arm, the clamping connector, the elastic membrane and the reinforcing rib are all made of polypropylene materials.

Furthermore, the thicknesses of the rebound arm and the buckle body are both 1.5mm-2.5 mm.

Furthermore, the corners of the outer contour of the buckle body are rounded corners.

The technical scheme provided by the application comprises the following beneficial effects:

the utility model provides an among the technical scheme, door type card, including the buckle body, be provided with the through-hole on the buckle body, the arm of kick-backing is connected in a lateral wall of through-hole and extends to the inside of through-hole, and the joint head is fixed on the arm of kick-backing, has the clearance between the all the other lateral walls of the arm of kick-backing and through-hole, and the elastic membrane is connected between all the other lateral walls of the arm of kick-backing and through-hole. According to the arrangement, the elastic membrane connects the rebound arm, the clamping head and the buckle body together, when the door type card and the matching piece are installed in place, the self-locking force of rebound reset in the door type card is increased to two forces from the original one, one is the force generated by the deformation of the rebound arm, the other is the force generated by the deformation of the elastic membrane, the two forces are superposed, so that the self-locking force of rebound reset in the door type card is improved, the clamping strength is obviously improved, meanwhile, after the rebound arm, the clamping head and the buckle body are connected together by the elastic membrane, the integral bearing capacity is stronger, and the door type card is not easily damaged in the disassembling process; thereby the problem of among the prior art door type card the resilience force of resilience arm is relatively weak and the door type card takes place to damage easily when dismantling.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a front view of a prior art door card;

FIG. 2 is a schematic top view of a prior art door latch and mating member assembly;

FIG. 3 is a schematic cross-sectional view of a prior art first position of the door clip and mating member assembly;

FIG. 4 is a schematic cross-sectional view of a second prior art position of the door latch and mating member assembly;

FIG. 5 is a schematic structural diagram of a front view of a door card in an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a left side view of a door type card in an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a top view of a door-shaped card in an embodiment of the present invention;

fig. 8 is a schematic structural diagram of the door-shaped clip inside the mold and the slider in the embodiment of the present invention.

Reference numerals:

1-buckle body, 2-through hole, 3-resilient arm, 4-bayonet joint, 5-elastic membrane, 6-buckle base, 7-reinforcing rib, 8-door type card, 9-fitting piece, 10-mould, 11-slide block, 12-buckle body, 13-bayonet joint, 14-resilient arm, 15-through hole, 16-buckle base, 17-reinforcing rib.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The objective of the present embodiment is to provide a door-type card, wherein a resilient arm, a card connector and a card body are connected together through an elastic film, when the door-type card and a mating member are installed in place, a self-locking force of resilient reset in the door-type card is increased from an original force to two forces, one is a force generated by deformation of the resilient arm, and the other is a force generated by deformation of the elastic film, and the two forces are superposed to improve the self-locking force of resilient reset in the door-type card, so that the card-connecting strength is significantly improved, and meanwhile, after the resilient arm, the card connector and the card body are connected together through the elastic film, the overall bearing capacity is stronger, and the door-type card is not easily damaged in the process of disassembling; thereby the problem of among the prior art door type card the resilience force of resilience arm is relatively weak and the door type card takes place to damage easily when dismantling.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Please refer to fig. 5-8, the door-shaped card provided in this embodiment includes a buckle body 1, a resilient arm 3, a card connector 4 and an elastic film 5, the resilient arm 3 is fixedly connected to the buckle body 1, the card connector 4 is fixed on the resilient arm 3, and the length of the card connector 4 is equal to the width of the resilient arm 3, a U-shaped through hole 2 is provided between the resilient arm 3 and the buckle body 1, the elastic film 5 is fixedly connected to the inner wall of the through hole 2, and the resilient arm 3 is connected to the buckle body 1 through the elastic film 5, and the buckle body 1, the resilient arm 3, the card connector 4 and the elastic film 5 are of an injection molding integrated structure.

According to the arrangement, the elastic membrane 5 connects the rebound arm 3, the clamp connector 4 and the buckle body 1 together, when the door type card 8 and the matching piece 9 are installed in place, the self-locking force of rebound reset in the door type card 8 is increased to two forces from the original one, one is the force generated by the deformation of the rebound arm 3, and the other is the force generated by the deformation of the elastic membrane 5, and the two forces are superposed, so that the self-locking force of rebound reset in the door type card is improved, the clamping strength is obviously improved, meanwhile, after the rebound arm 3, the clamp connector 4 and the buckle body 1 are connected together by the elastic membrane 5, the integral bearing capacity is stronger, and the door type card 8 is not easily damaged in the disassembling process; thereby the problem of among the prior art door type card 8 3 resilience force weak and door type card 8 take place to damage easily when dismantling is solved.

As an alternative embodiment, the elastic membrane 5 fills the gap between the resilient arm 3 and the buckle body 1 completely. So set up, make the self-locking power and the holistic bearing capacity that kick-backs and reset among the door type card 8 obtain the furthest improvement, make its performance reach the optimization.

In a more specific embodiment, the thickness of the elastic membrane 5 is preferably 0.2 mm. With the arrangement, when the thickness of the elastic film 5 is greater than 0.2mm, the integral bearing capacity of the door-shaped card 8 is stronger, but the rebound arm 3 is difficult to deform when contacting with the fitting piece 9, so that the door-shaped card 8 cannot be normally installed; when the thickness of the elastic membrane 5 is less than 0.2mm, the self-locking force of the rebound reset in the door-shaped card 8 and the integral bearing capacity are not obviously improved; when the thickness of the elastic film 5 is equal to 0.2mm, the normal installation of the door-shaped card 8 is not influenced while the self-locking force of the rebound reset in the door-shaped card 8 and the whole bearing capacity are effectively improved; because the gate-type card 8 is formed by injecting plastic into the cavity formed between the mold 10 and the slide block 11, if the elastic film 5 structure is not injected, when the mold closing filler is injected, the slide block 11 collides with the mold 10, along with the increase of the mold closing times, the collision times are also increased, the precision of the slide block 11 and the mold 10 is seriously influenced, the service life is prolonged, and the quality of a later product is influenced, but if the elastic film 5 structure is injected, a gap T is increased between the slide block 11 and the mold 10, wherein the T is equal to 0.2mm, so that the mutual collision between the slide block 11 and the mold 10 is avoided, the precision between the slide block 11 and the mold 10 is ensured, the service life is prolonged, and the quality stability of the product is improved.

As an alternative embodiment, the shape of the bayonet joint 4 is prism-shaped, the shape of the cross section of the bayonet joint 4 can be set to be trapezoidal or triangular according to the specific shape of the mating member 9, and the size of the bayonet joint 4 can be specifically set according to the amount of the bayonet joint 4 and the mating member 9. With the arrangement, the cross section of the clamping joint 4 is trapezoidal or triangular, so that the upper end surface and the lower end surface of the clamping joint 4, which are contacted with the matching piece 9, are inclined surfaces; when the door-shaped clamp 8 is installed on the fitting member 9, the upper end surface of the door-shaped clamp 8 and the fitting member 9 can realize relative sliding, and when the door-shaped clamp 8 is detached from the fitting member 9, the lower end surface of the door-shaped clamp 8 and the fitting member 9 can realize relative sliding.

In a more specific embodiment, the vertex of the end of the bayonet joint 4 that is in contact with the counterpart 9 is rounded. So set up, the design of fillet is favorable to die stamping and drawing of patterns on the one hand, and on the other hand is favorable to the mould to make and improves mould intensity.

As an alternative embodiment, the buckle body 1 is vertically connected to the buckle base 6, the common vertical plane of the buckle base 6 and the buckle body 1 is connected to the reinforcing ribs 7, and the reinforcing ribs 7 are distributed on the side far away from the clamping head 4. So set up, for material saving quantity, weight and the reduction in production cost that alleviate door type card 8, all the thickness of door type card 8 is done is thinner, and the design of strengthening rib 7 can effectively increase door type card 8's intensity under the condition that does not increase door type card 8 wall thickness, prevents that door type card 8 from turning round or warping because of the askew of atress inequality causes in the use.

In a more specific embodiment, the number of the ribs 7 is preferably two and the ribs are respectively fixed on both sides of the buckle body 1. So set up, fix the strengthening rib 7 in buckle body 1 both sides, not only can avoid the deformation of door type card 8, simultaneously under some circumstances when injection moulding, the plastics flow condition in the piece shaping can also be improved to both sides strengthening rib 7, improves product quality.

In a further embodiment, the clip base 6, the clip body 1, the resilient arm, the clip head 4, the elastic membrane 5 and the rib 7 are preferably made of polypropylene. So set up, the polypropylene material has anti strong acid and alkali, shock-resistant, noncorrosive, advantage such as rustting, can add lubricated material or glass fiber in to the polypropylene according to specific service environment simultaneously, improves the smoothness or the hardness of door type card.

As an alternative embodiment, the thickness of the resilient arm 3 and the snap body 1 is preferably 1.5mm-2.5 mm. So set up, also guaranteed the hardness and the intensity of door type card 8 when reducing door type card 8 whole weight, saving manufacturing material.

As an alternative embodiment, the corners of the outer contour of the buckle body 1 are rounded. According to the arrangement, firstly, the design of the round angle is beneficial to uniformly dispersing the pressure applied to the corner of the door-shaped card 8, so that the door-shaped card is not damaged; secondly, make the easier inside of injecting fitting piece 9 of door type card 8, reduce and produce unnecessary collision with fitting piece 9, improve work efficiency, the design of fillet is safer simultaneously, has avoided the staff when installing door type card 8, will hand the fish tail because of carelessness in a short time.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A door card, comprising:

the buckle comprises a buckle body (1) and a through hole (2) arranged on the buckle body (1);

the rebound arm (3) is connected to one side wall of the through hole (2) and extends towards the inside of the through hole (2), and a gap is formed between the rebound arm (3) and the rest side walls of the through hole (2);

a clamping head (4) arranged on the rebound arm (3);

an elastic membrane (5) connected between the resilient arm (3) and the remaining side wall of the through hole (2).

2. Door card according to claim 1, characterized in that the elastic film (5) fills the entire gap.

3. Door card according to claim 2, characterized in that the thickness of the elastic membrane (5) is 0.2mm and the elastic membrane (5) is of injection-molded one-piece construction with the resilient arm (3) and the clasp body (1).

4. A gate card according to claim 1, characterized in that the shape of the card connector (4) is prismatic and the shape of the cross-section of the card connector (4) is trapezoidal or triangular, the bottom surface of the card connector (4) being fixedly connected to the resilient arm (3).

5. A gate card according to claim 4, characterized in that the top corner of the end of the card connector (4) remote from the resilient arm (3) is rounded.

6. The gate card according to claim 1, characterized in that it further comprises a buckle base (6) vertically connected with the buckle body (1) and a reinforcement rib (7) arranged on a common vertical plane of the buckle base (6) and the buckle body (1), wherein the reinforcement rib (7) is arranged on a side far away from the card connector (4).

7. Door card according to claim 6, characterized in that the number of reinforcing ribs (7) is at least two.

8. The gate card according to claim 6, characterized in that the buckle base (6), the buckle body (1), the resilient arm (3), the card connector (4), the elastic membrane (5) and the reinforcing rib (7) are all made of polypropylene.

9. Door card according to claim 1, characterized in that the thickness of the resilient arm (3) and the buckle body (1) are both 1.5mm-2.5 mm.

10. Door card according to claim 1, characterized in that the corners of the outer contour of the clasp body (1) are rounded.