KR102526494B1 - Trunk switch unit for vehicle - Google Patents

Abstract

An object of the present invention is to provide a trunk switch unit for a vehicle that fundamentally blocks the inflow of moisture or foreign matter, has a simple structure, easily transmits a push manipulation force, and has improved manipulability and convenience. A vehicle trunk switch unit according to the present invention includes a housing coupled to a vehicle body and having a housing opening on one side, a cover body coupled to the housing to cover the housing opening and having a cover body opening on one side, and a cover to be elastically deformed. A cover assembly having a flexible knob disposed on the body and covering an opening of the cover body, a switch installed inside the housing to generate an electrical signal by operating by the movement of the flexible knob, and a switch transmitted by deformation of the flexible knob and a plunger disposed between the flexible knob and the switch to transmit a pressing force to the switch.

Description

Vehicle trunk switch unit {TRUNK SWITCH UNIT FOR VEHICLE}

The present invention relates to a trunk switch unit for a vehicle, and more particularly, to a trunk switch unit for a vehicle that does not cause a problem of inflow of moisture or foreign substances.

The trunk of a vehicle is formed at the rear of a vehicle body and provides a loading space for loading luggage. Such a trunk has a structure in which a loading space is opened or closed by a trunk lid. Typically, the trunk lid may be configured to be locked by a locking means including a latch. The locking means may be formed of an electric locking device including a solenoid, and the electric locking device may be unlocked by an operation signal generated from a trunk switch.

Recently, a trunk switch integrated with an emblem mounted on a trunk lid to display a manufacturer of a vehicle is being applied to a vehicle. This emblem-integrated trunk switch has the advantage of reducing the number of parts and preventing deterioration of the design quality of the exterior of the vehicle.

An example of such an emblem-integrated trunk switch is disclosed in Patent Publication No. 2016-0137001 (November 30, 2016) and Publication No. 2015-0102762 (November 30, 2015).

In the trunk switch disclosed in Patent Publication No. 2016-0137001, an emblem is fixed to the body, a push-type push button is installed in a button hole provided in the body, and a push cover is movably mounted in a cover hole provided in the body. has a structure that The push cover covers the front of the trunk lock disposed inside the body. In such a trunk switch, when a push button is pressed by a user, the push button contacts a tex switch disposed inside the body to operate.

However, in such a conventional trunk switch, since the push button is moved in a button hole formed in the body, moisture or foreign substances are easily introduced into the inside through the button hole.

The trunk switch disclosed in Patent Publication No. 2015-0102762 has a structure in which a logo type knob is separated into an outer knob and an inner knob, and a link assembly is disposed between the inner knob and the contactor. In such a trunk switch, when an outer knob is pushed and manipulated by a user, the link assembly receives an operating force through the inno knob to switch the contactor.

However, since the knob of the conventional trunk switch is composed of an outer knob and an inner knob, it is not easy to transmit the user's push operation force, and the outer knob is easily damaged during long-term use, and when the outer knob is damaged, foreign substances or moisture may enter. Malfunctions may occur due to In addition, operating noise is generated due to a complex link structure for operating the contactor, assembly is cumbersome, and there is a high possibility of assembly failure.

Publication No. 2016-0137001 (2016. 11. 30.) Publication No. 2015-0102762 (2015. 09. 08.)

The present invention is to solve the problems of the prior art as described above, to provide a trunk switch unit for vehicles that fundamentally blocks the inflow of moisture or foreign substances, easily transmits a push operation force with a simple structure, and has improved operability and convenience. The purpose.

A vehicle trunk switch unit according to the present invention for solving the above object is a housing coupled to a vehicle body and having a housing opening at one side; a cover assembly having a cover body coupled to the housing to cover the housing opening and having a cover body opening at one side thereof, and a flexible knob disposed on the cover body to cover the cover body opening so as to be elastically deformed; a switch installed inside the housing to generate an electrical signal by being operated by the movement of the flexible knob; and a plunger disposed between the flexible knob and the switch so as to transfer a pressing force transmitted through deformation of the flexible knob to the switch.

The flexible knob and the plunger may be integrally formed by insert injection.

The cover body may be insert-injected together with the flexible knob and the plunger to form an integral body.

The flexible knob and the plunger may be double-injected to form an integral body.

The cover body may be integrally formed by being double-injected together with the flexible knob and the plunger.

The housing includes a housing guide for guiding the plunger to move linearly toward the switch, and the plunger includes a plunger body that is disposed in contact with one surface of the flexible knob and can contact the switch, and the housing guide It may include a plunger guide disposed on the plunger body so as to contact and slide.

The vehicle trunk switch unit according to the present invention may include an elastic member disposed between the housing and the plunger to apply an elastic force to the plunger in a direction away from the switch.

The housing guide has a guide groove disposed in parallel with the movement direction of the plunger, and the plunger guide has a protrusion protruding from the plunger body so as to be inserted into the guide groove, and the elastic member is disposed inside the guide groove. A guide insertion groove for accommodating may be provided.

The vehicle trunk switch unit according to the present invention may include a decorative member coupled to the cover assembly to cover at least a portion of the cover assembly and having a decorative member opening exposing the flexible knob to the outside.

A decorative member coupling groove is provided on one surface of the decorative member facing the cover assembly, a cover body through hole corresponding to the decorative member coupling groove is provided in the cover body of the cover assembly, and the cover body penetrates the cover body in the housing. A housing through-hole corresponding to the hole is provided, and the decorative member is connected to the cover assembly and the housing by a fixing member inserted into the housing through-hole passing through the cover body through-hole and being inserted into the decorative member coupling groove. can be combined

The flexible knob may be wider than the opening of the decorative member.

The housing may include a housing engaging portion disposed to face the cover body, and the cover body may include a cover body engaging portion engaged with the housing engaging portion.

The housing engaging portion and the cover body engaging portion may be disposed to surround the housing opening portion.

The housing engagement portion and the cover body engagement portion may be ultrasonically welded.

A vehicle trunk switch unit according to the present invention includes a substrate disposed inside the housing to support the switch; and an adhesive film interposed between the substrate and the cover body to adhere the substrate and the cover body.

The vehicle trunk switch unit according to the present invention is convenient to use and excellent in manipulability by being disposed outside the vehicle body.

In addition, since the cover assembly completely covers the open portion of the housing and there is no gap exposed to the outside, the vehicle trunk switch unit according to the present invention has excellent waterproof performance and does not cause a problem of inflow of foreign substances such as moisture.

In addition, the vehicle trunk switch unit according to the present invention can be installed integrally with the emblem of the vehicle, so that the design quality is excellent and the emotional feeling can be provided to the user.

In addition, the vehicle trunk switch unit according to the present invention has a simple structure, excellent assembly, and easy replacement or repair of parts.

In addition, the vehicle trunk switch unit according to an embodiment of the present invention eliminates an unnecessary link structure as in the prior art, so that push operation force is easily transmitted, trunk open operation and convenience are excellent, and design restrictions are less than those of the prior art. , the manufacturing cost can be reduced.

1 illustrates a state in which a trunk switch unit for a vehicle according to an embodiment of the present invention is installed in a vehicle.
2 and 3 are perspective views illustrating a vehicle trunk switch unit according to an embodiment of the present invention.
4 is a cross-sectional view showing a trunk switch unit for a vehicle according to an embodiment of the present invention.
5 and 6 are exploded perspective views of a vehicle trunk switch unit according to an embodiment of the present invention.
7 shows an excerpt of a cover assembly of a trunk switch unit for a vehicle according to an embodiment of the present invention.
8 and 9 are perspective views showing a partially cut away trunk switch unit for a vehicle according to an embodiment of the present invention.

Hereinafter, a vehicle trunk switch unit according to the present invention will be described in detail with reference to the drawings.

1 shows a state in which a trunk switch unit for a vehicle according to an embodiment of the present invention is installed in a vehicle, FIGS. 2 and 3 are perspective views showing a trunk switch unit for a vehicle according to an embodiment of the present invention, and FIG. A cross-sectional view showing a trunk switch unit for a vehicle according to an embodiment of the present invention, and FIGS. 5 and 6 are exploded perspective views of the trunk switch unit for a vehicle according to an embodiment of the present invention.

As shown in the drawing, the vehicle trunk switch unit 100 according to an embodiment of the present invention is installed on a body 10 such as a trunk lid of a vehicle so that a user can open the trunk of the vehicle by operating from the outside of the vehicle. . The vehicle trunk switch unit 100 includes a housing 110 coupled to the vehicle body 10, a switch 130 installed inside the housing 110, a cover assembly 140 covering the housing 110, A decorative member 170 disposed on the cover assembly 140 is included.

The housing 110 includes a housing body 111 provided with a space in which a switch 130 or the like is installed. A housing opening 112 is provided on one side of the housing body 111 , and the housing opening 112 is covered by the cover assembly 140 . A housing engagement portion 114 protrudes toward the cover assembly 140 at an upper end of the housing body 111 . The housing engaging portion 114 is disposed to surround the housing opening portion 112 . The housing 110 may be firmly coupled to the cover assembly 140 by engaging the housing engaging portion 114 with the cover body engaging portion 144 provided in the cover assembly 140 .

Inside the housing body 111, a plurality of housing guides 116 and 117 are disposed. The housing guides 116 and 117 are for guiding the plunger 151 to move linearly, and inside the housing guides 116 and 117 there is a guide groove 118 disposed parallel to the movement direction of the plunger 151. (119) is provided. The plunger 151 is partially inserted into the guide grooves 118 and 119 to slide along the guide grooves 118 and 119.

In addition, the housing 110 includes a housing through hole 121 and a housing fixing part 123 . The housing through-hole 121 is for coupling with the decorative member 170 and is disposed outside the housing opening 112 , that is, at the edge of the housing body 111 . The housing fixing part 123 protrudes from the housing body 111 in a direction opposite to the protruding direction of the housing engagement part 114 . The housing fixing part 123 may be used when fixing the housing body 111 to the body 10 of the vehicle.

In addition to the illustrated structure, the housing 110 may have an internal space in which a switch 130 or the like is installed, and may be changed to various other structures that may be covered by the cover assembly 140 .

The switch 130 is installed inside the housing 110 to generate an electrical signal by being operated by the movement of the flexible knob 149 provided on the cover assembly 140 . As the switch 130, a push-type switch operated by a pressing operation or a switch having various structures that can be operated by the flexible knob 149 of the cover assembly 140 may be used. In this embodiment, the switch 130 is described as an example of a push type switch.

The switch 130 is supported on a substrate 135 disposed inside the housing 110 . The switch 130 may be electrically connected to a board wiring provided on the board 135 to receive power through the board 135 or transmit a switching signal to the outside. A plurality of substrate through-holes 136 are provided in the substrate 135 . The substrate through-hole 136 is for installing the plunger 151, and its function will be described later.

4 to 9 , the cover assembly 140 is coupled to one end of the housing 110 and covers the housing opening 112 of the housing 110 . The cover assembly 140 includes a cover body 141, a flexible knob 149 disposed inside the cover body 141, and a flexible knob to be disposed between the switch 130 and the flexible knob 149 ( 149) and a plunger 151 coupled with it.

The cover body 141 is coupled to the housing 110 to cover the housing opening 112 . A cover body opening 142 is provided in the middle of the cover body 141 . A push operation force applied to the flexible knob 149 may be transmitted to the plunger 151 through the cover body opening 142 . A cover body engaging portion 144 is provided on one surface of the cover body 141 facing the housing 110 . The cover body engaging portion 144 has a structure that is engaged and coupled with the housing engaging portion 114 of the housing 110 . That is, the cover body engaging part 144 has an engaging groove 145 into which the housing engaging part 114 can be inserted. The engagement groove 145 has a shape corresponding to the housing engagement portion 114, that is, a shape surrounding the housing opening 112 of the housing 110. Since the housing engagement portion 114 is inserted into the engagement groove 145, the housing 110 and the cover body 141 can be firmly and tightly coupled without a gap, and the connection portion between the housing 110 and the cover body 141 The inflow of moisture or foreign substances through can be blocked.

The housing engagement portion 114 and the cover body engagement portion 144 may be ultrasonically welded. When the vehicle trunk switch unit 100 is manufactured, the housing engaging portion 114 is inserted into the engaging groove 145, and then the housing engaging portion 114 and the cover body engaging portion 144 are fused to each other using ultrasonic welding. can By fusing the housing engaging portion 114 and the cover body engaging portion 144, the housing 110 and the cover body 141 can be more firmly coupled without a gap, and as a result, the airtightness of the vehicle trunk switch unit 100 can be maintained. can be raised further. The housing engaging portion 114 and the cover body engaging portion 144 may be firmly coupled through various methods other than ultrasonic welding.

A cover body through hole 147 is provided at the edge of the cover body 141 , that is, outside the cover body engagement portion 144 . The cover body through hole 147 is disposed to correspond to the housing through hole 121 of the housing 110 . The cover body through hole 147 is used to couple the decorative member 170 to the housing 110 together with the housing through hole 121, and its function will be described later.

The flexible knob 149 is coupled to the cover body 141 to cover the cover body opening 142 . The flexible knob 149 may be made of a soft material that can be elastically deformed. The flexible knob 149 may be bent toward the switch 130 by a user's push operation force. The flexible knob 149 is disposed wider than the decorative member opening 171 provided in the decorative member 170 . Therefore, when a user's push operation force is applied, the flexible knob 149 can be elastically deformed over a wide area, and the impact received by the flexible knob 149 is distributed over a wide area, thereby providing a damage can be reduced.

The plunger 151 is disposed between the flexible knob 149 and the switch 130 so as to transmit the pressing force transmitted by deformation of the flexible knob 149 to the switch 130 . The plunger 151 slides in contact with the plunger body 152 disposed in contact with one surface of the flexible knob 149 to contact the switch 130 and the housing guides 116 and 117 of the housing 110. It includes a plurality of plunger guides 154 and 155 disposed on the plunger body 152 so as to be accessible. The plunger guides 154 and 155 are protruding from the plunger body 152. The plunger guides 154 and 155 pass through the substrate through-holes 136 of the substrate 135 and are inserted into the guide grooves 118 and 119 of the housing guides 116 and 117 . The plunger guides 154 and 155 are inserted into the guide grooves 118 and 119 and slide along the guide grooves 118 and 119 so that the plunger 151 can press the switch 130 while stably and linearly moving. can At least one plunger guide 154 among the plurality of plunger guides 154 and 155 has a guide insertion groove 156 . An elastic member 160 is disposed in the guide insertion groove 156.

The elastic member 160 applies an elastic force to the plunger 151 between the housing 110 and the plunger 151 in a direction away from the switch 130 . As the plunger guide 154 in which the elastic member 160 is accommodated is inserted into the guide groove 118 of the housing guide 116, the elastic member 160 is accommodated inside the housing guide 116 while being accommodated in the plunger guide 154. do. The elastic member 160 has one end in contact with the housing 110 and the other end in contact with the plunger 151, and is elastically deformed when the plunger 151 moves in the direction of pressing the switch 130. Also, the plunger 151 moved toward the switch 130 may be returned to its original state by the elastic force of the elastic member 160 . The elastic member 160 has a coil spring structure.

A guide support protrusion 158 is provided inside the plunger guide 154 . The guide support protrusion 158 is disposed parallel to the moving direction of the plunger 151 to support the elastic member 160 . Since the guide support protrusion 158 supports the elastic member 160, bending deformation of the elastic member 160 can be prevented when the elastic member 160 is compressed, and the elastic force of the elastic member 160 is not distributed in various directions. The plunger 151 may be concentrated in the direction of returning it to its original state.

The plunger 151 may have a structure integral with the cover body 141 and the flexible knob 149 . For example, after the cover body 141 and the plunger 151 are manufactured, respectively, the cover body 141 and the plunger 151 may be integrally formed with the flexible knob 149 by using an insert molding method. As another example, the integral cover assembly 140 may be manufactured by simultaneously molding the cover body 141, the flexible knob 149, and the plunger 151 using a method of double injection of two or more materials. The integral structure of the cover body 141, the flexible knob 149, and the plunger 151 may be implemented through various methods other than insert injection molding or double injection molding.

The cover assembly 140 is bonded to the substrate 135 through the adhesive film 165 . The adhesive film 165 is interposed between the substrate 135 and the cover body 141 to adhere the substrate 135 and the cover body 141 to each other. Since the cover body 141 is tightly adhered to the substrate 135 by the adhesive film 165, when the user pushes the flexible knob 149, the push operation force is more accurately applied to the switch 130 through the plunger 151. ) can be passed on.

In addition to the illustrated structure, the cover assembly 140 includes a cover body 141 coupled to the housing 110, an elastically deformable flexible knob 149 supported by the cover body 141, and a flexible knob 149. It can be transformed into various other structures including the plunger 151 capable of transmitting the pressing force transmitted by the deformation of the switch 130. As another example, the plunger 151 may be assembled as a separate component from the flexible knob 149 . In addition to the illustrated structure, the plunger 151 may be changed into various other structures capable of transmitting the pressing force of the flexible knob 149 to the switch 130 between the switch 130 and the flexible knob 149 . In addition, the structure of the plunger guides 154 and 155 provided in the plunger 151 and the housing guides 116 and 117 for guiding the movement of the plunger 151 together with the plunger guides 154 and 155 are also shown. In addition to the structure specified, it can be changed to various other structures.

The decorative member 170 is coupled to the cover assembly 140 to cover at least a portion of the cover assembly 140 . The decorative member 170 may have an emblem shape in the shape of a manufacturer's logo, or various shapes capable of improving aesthetics and design quality.

The decorative member 170 is provided with a decorative member opening 171 exposing the flexible knob 149 of the cover assembly 140 to the outside. A user may push and manipulate the flexible knob 149 through the decorative member opening 171 . A decorative member coupling boss 173 protrudes from one surface of the decorative member 170 facing the cover assembly 140 . A decorative member coupling groove 174 corresponding to the cover body through hole 147 of the cover assembly 140 is provided in the decorative member coupling boss 173 . The decorative member 170 may be coupled to the housing 110 and the cover assembly 140 through the fixing member 180 . The fixing member 180 is inserted into the decorative member coupling groove 174 through the housing through-hole 121 of the housing 110 and the cover body through-hole 147 of the cover assembly 140, so that the housing 110 and the cover The assembly 140 and the decorative member 170 may be coupled at the same time.

In addition to the illustrated structure, the decorative member 170 may be changed into various other structures, such as a shape expressing the manufacturer's emblem. Also, the coupling method of the decorative member 170 may be variously changed.

In addition, the vehicle trunk switch unit 100 according to an embodiment of the present invention includes a buffer pad 185. The buffer pad 185 is coupled to the lower side of the housing body 111 and is made of an elastically deformable material such as rubber. The buffer pad 185 adheres closely to the body 10 of the vehicle and elastically deforms the housing 110 so that the housing 110 is firmly mounted on the body 10 without a gap.

As described above, the vehicle trunk switch unit 100 according to an embodiment of the present invention is disposed outside the vehicle body 10, so that it is convenient to use and has excellent operability. In addition, the vehicle trunk switch unit 100 may be integrally installed with the vehicle emblem, so that the design quality is excellent and an emotional feeling may be provided to the user. In addition, the trunk switch unit 100 for a vehicle has a simple structure, excellent assemblyability, and easy replacement or repair of parts.

In addition, the vehicle trunk switch unit 100 according to an embodiment of the present invention operates the flexible knob 149 and the switch 130 pushed by the user without configuring the outer knob and the inner knob separately as in the prior art. By integrating the plunger 151, a stable push operation is possible. In addition, since the user's push operation force is easily transmitted, the switching function can be exhibited by operating with the same stroke even when the user presses any part of the flexible knob 149 .

In addition, the vehicle trunk switch unit 100 according to an embodiment of the present invention eliminates unnecessary link structures such as those in the prior art, so that push operation force is easily transmitted, trunk open operation and convenience are excellent, and design design is superior to that of the prior art. There are few restrictions, and the manufacturing cost can be reduced.

In addition, in the vehicle trunk switch unit 100 according to an embodiment of the present invention, the elastic member 160 elastically supports the plunger 151 that transmits the push operation force to the switch 130, so that water pressure during high-pressure car washing is used. There is no problem of operation due to the action of external force that has not been applied.

In the above, the present invention has been shown and described in relation to preferred embodiments for illustrating the principles of the present invention, but the present invention is not limited to the configuration and operation as shown and described. Rather, it will be appreciated by those skilled in the art that many changes and modifications may be made to the present invention without departing from the spirit and scope of the appended claims.

100: vehicle trunk switch unit 110: housing
111: housing body 114: housing engaging portion
116, 117: housing guide 130: switch
135: substrate 140: cover assembly
141: cover body 144: cover body engagement part
149: flexible knob 151: plunger
152: plunger body 154, 155: plunger guide
160: elastic member 165: adhesive film
170: decorative member 185: buffer pad

Claims (15)

A housing coupled to a vehicle body and having a housing opening at one side thereof; a cover assembly having a cover body coupled to the housing to cover the housing opening and having a cover body opening at one side thereof, and a flexible knob disposed on the cover body to cover the cover body opening so as to be elastically deformed; a switch installed inside the housing to generate an electrical signal by being operated by the movement of the flexible knob; And a plunger disposed between the flexible knob and the switch so as to transmit the pressing force transmitted by the deformation of the flexible knob to the switch,
The flexible knob and the plunger are insert-injected to form an integral body,
The trunk switch unit for a vehicle, characterized in that the cover body is insert-injected together with the flexible knob and the plunger to form an integral body.
delete delete A housing coupled to a vehicle body and having a housing opening at one side thereof; a cover assembly having a cover body coupled to the housing to cover the housing opening and having a cover body opening at one side thereof, and a flexible knob disposed on the cover body to cover the cover body opening so as to be elastically deformed; a switch installed inside the housing to generate an electrical signal by being operated by the movement of the flexible knob; And a plunger disposed between the flexible knob and the switch so as to transmit the pressing force transmitted by the deformation of the flexible knob to the switch,
The flexible knob and the plunger are double-injected to form an integral body,
The vehicle trunk switch unit according to claim 1 , wherein the cover body is integrally formed by being double-injected together with the flexible knob and the plunger.
delete According to claim 1,
The housing includes a housing guide for guiding the plunger to move linearly toward the switch,
The plunger,
a plunger body disposed in contact with one surface of the flexible knob and capable of contacting the switch;
and a plunger guide disposed on the plunger body to slide in contact with the housing guide.
According to claim 6,
and an elastic member disposed between the housing and the plunger to apply an elastic force to the plunger in a direction away from the switch.
According to claim 7,
The housing guide has a guide groove disposed parallel to the moving direction of the plunger,
The plunger guide is formed in a protruding shape protruding from the plunger body so as to be inserted into the guide groove, and a guide insertion groove for accommodating the elastic member is provided inside the plunger guide.
According to claim 1,
and a decorative member coupled to the cover assembly to cover at least a portion of the cover assembly and having a decorative member opening exposing the flexible knob to the outside.
According to claim 9,
A decorative member coupling groove is provided on one surface of the decorative member facing the cover assembly,
A cover body through-hole corresponding to the decorative member coupling groove is provided in the cover body of the cover assembly,
The housing is provided with a housing through-hole corresponding to the cover body through-hole,
The vehicle trunk switch unit according to claim 1 , wherein the decorative member is coupled to the cover assembly and the housing by a fixing member inserted into the housing through-hole passing through the cover body through-hole and being inserted into the decorative member coupling groove.
According to claim 9,
The trunk switch unit for a vehicle, characterized in that the flexible knob is disposed wider than the opening of the decorative member.
According to claim 1,
The housing is provided with a housing engagement portion disposed to face the cover body,
The trunk switch unit for a vehicle, characterized in that the cover body is provided with a cover body engaging portion engaged with the housing engaging portion.
According to claim 12,
The trunk switch unit for a vehicle according to claim 1 , wherein the housing engaging portion and the cover body engaging portion are disposed to surround the housing opening portion.
According to claim 13,
The trunk switch unit for a vehicle, characterized in that the housing engaging portion and the cover body engaging portion are ultrasonically welded.
According to claim 1,
a substrate disposed inside the housing to support the switch; and
and an adhesive film interposed between the substrate and the cover body to adhere the substrate and the cover body.

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