Valve element sealing assembly for automobile

Abstract

The utility model provides a valve element sealing assembly for an automobile, and relates to the technical field of valve body sealing, the valve element sealing assembly comprises a sealing ring body, the sealing ring body comprises a sealing ring and a mounting ring which are integrally formed, the mounting ring is sleeved with a mounting groove, bending grooves are formed in the two sides of the mounting ring, positioning air bags are inserted into the bending grooves, and the positioning air bags are arranged in the sealing ring body. The positioning air bag is clamped in the bending groove in a concave-convex matching mode, an extrusion part is arranged at the top end of the positioning air bag, an inclined extrusion face is arranged on the outer wall of the extrusion part, the lower end of the extrusion part is flush with the outer wall of the mounting ring, the inclined extrusion face inclines inwards from top to bottom, and a plurality of positioning protruding blocks are arranged at the lower end of the positioning air bag. Air in the positioning air bag is compressed through the extrusion portion, the positioning air bag can only expand from the positioning protruding block, the positioning protruding block locks the valve element, the sealing ring body is prevented from jumping out of the valve element, and the sealing effect of the valve element is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of valve body sealing, in particular to a valve core sealing component for automobiles. Background Art

[0002] In the automobile air conditioning system, there is a control valve as an actuator, and the normal working process of the automobile air conditioning is realized through the action of the control valve. Generally speaking, the valve core of the control valve is usually composed of a connecting part and a sealing part. The sealing part is used to seal the liquid circuit. For the current valve core, an O-ring is usually directly inserted into the groove of the valve core, and the valve core and the valve seat are sealed by the O-ring. However, when the valve core drives the O-ring to reciprocate in the valve seat, the connection between the sealing groove of the valve core and the O-ring is not tight, and the O-ring may jump out of the groove, causing the seal to fail. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the deficiencies in the prior art, the utility model provides a valve core sealing assembly for an automobile, which solves the problems raised in the above-mentioned background technology.

[0005] (II) Technical solution

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A valve core sealing assembly for automobiles comprises a sealing ring body and a valve core, wherein an outer edge of the valve core is provided with a mounting groove, the sealing ring body comprises an integrally formed sealing ring and mounting ring, the mounting ring is sleeved in the mounting groove, bending grooves are provided on both sides of the mounting ring, a positioning plug-in is inserted in the bending groove, a positioning protrusion is provided at the lower end of the positioning plug-in, and the positioning protrusion abuts against the side wall of the mounting groove.

[0008] Preferably, the positioning plug-in is configured as a positioning airbag, and the positioning airbag is concave-convex and clipped in the bending groove, the top of the positioning airbag is configured as an extrusion part, the outer wall of the extrusion part is configured as an inclined extrusion surface, the upper end of the inclined extrusion surface protrudes from the outer wall of the mounting ring, and the lower end is flush with the outer wall of the mounting ring, and the inclined extrusion surface is configured to be inclined inward from top to bottom.

[0009] Preferably, the positioning protrusions at the lower end of the positioning airbag are configured as a plurality of positioning protrusions, a plurality of positioning holes are provided at positions corresponding to the positioning protrusions of the mounting ring, the positioning holes are connected to the bending grooves, and the positioning protrusions pass through the positioning holes and abut against the side walls of the mounting grooves.

[0010] Preferably, a plurality of laterally distributed limiting strips are provided on one side of the positioning protrusion facing the side wall of the installation groove, and the limiting strips abut against the side wall of the installation groove.

[0011] Preferably, the positioning plug-in is configured as a sliding plug rod, the sliding plug rod is slidably inserted in the bending groove, the positioning protrusion at the bottom of the sliding plug rod is configured as a positioning protrusion ring, the positioning protrusion ring is configured in an arc shape facing the outside of the mounting ring, the bottom of the bending groove is provided with a positioning groove that matches the positioning protrusion ring, the top of the sliding plug rod is provided with a positioning snap ring, the positioning snap ring protrudes from the outer wall of the mounting ring, and the positioning snap ring is snapped on the upper edge of the mounting groove.

[0012] Preferably, a sliding groove which is concave-convexly matched with the positioning snap ring is provided on the side of the sealing ring facing the mounting ring.

[0013] (III) Beneficial effects

[0014] The utility model provides a valve core sealing component for automobiles, which has the following beneficial effects:

[0015] 1. In the utility model, when the mounting ring is inserted into the mounting groove, the positioning protrusion at the bottom of the positioning plug-in is deformed, squeezing the side wall of the mounting groove to form a lock, so that the mounting ring can have a stable connection with the valve core, preventing the sealing ring body from jumping out of the mounting groove of the valve core during the reciprocating movement of the valve core, and ensuring good sealing of the valve core. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the first embodiment of the utility model;

[0017] Figure 2 It is a cross-sectional view of the first embodiment of the present utility model;

[0018] Figure 3 This is a schematic structural diagram of a sealing ring body according to the practical embodiment;

[0019] Figure 4 This is a schematic diagram of the structure of the second embodiment of the present utility model;

[0020] Figure 5 It is a cross-sectional view of the second embodiment of the present utility model.

[0021] In the figure: 1, mounting ring; 2, sealing ring; 3, positioning airbag; 31, extrusion part; 32, positioning protrusion; 4, sliding rod; 41, positioning protrusion ring; 42, positioning clamping ring; 5, sliding groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] The utility model embodiment provides

[0024] Embodiment 1:

[0025] A valve core sealing component for an automobile, such as Figure 1-3 As shown, it includes a sealing ring body and a valve core, the outer edge of the valve core is provided with a mounting groove, the sealing ring body includes an integrally formed sealing ring 2 and a mounting ring 1, the mounting ring 1 is sleeved in the mounting groove, bending grooves are provided on both sides of the mounting ring 1, a positioning plug-in is inserted in the bending groove, the positioning plug-in is provided as a positioning airbag 3, the positioning airbag 3 is engaged in the bending groove with a concave-convex fit, the top end of the positioning airbag 3 is provided as an extrusion portion 31, the outer wall of the extrusion portion 31 is provided as an inclined extrusion surface, the upper end of the inclined extrusion surface protrudes out of the outer wall of the mounting ring 1 The lower end of the positioning ring 1 is flush with the outer wall of the mounting ring 1, the inclined extrusion surface is arranged to be inclined inward from top to bottom, the lower end of the positioning plug is arranged with a positioning protrusion, the positioning protrusion at the lower end of the positioning airbag 3 is arranged with a plurality of positioning protrusions 32, the mounting ring 1 is provided with a plurality of positioning holes at positions corresponding to the positioning protrusions 32, the positioning holes are connected with the bending grooves, the positioning protrusions 32 pass through the positioning holes and abut against the side walls of the mounting grooves, the positioning protrusions 32 are arranged with a plurality of laterally distributed limiting strips on the side facing the side walls of the mounting grooves, and the limiting strips abut against the side walls of the mounting grooves.

[0026] Working principle: In this embodiment, during the process of inserting the mounting ring 1 into the mounting groove, since the extrusion portion 31 at the top of the positioning airbag 3 protrudes from the outer wall of the mounting ring 1 and is arranged obliquely, the extrusion portion 31 of the positioning airbag 3 is squeezed through the mounting groove to shrink, and the pressure in the positioning airbag 3 increases. Due to the limitation of the side wall of the bending groove, it can only expand and bulge from the positioning protrusion 32 at the bottom. The positioning protrusion 32 expands and protrudes from the side wall of the mounting ring 1 at the positioning hole, and is tightly attached to the inner wall of the mounting groove, so that the sealing ring body and the valve core are locked, which prevents the sealing ring body from jumping out during the reciprocating motion of the valve core, thereby ensuring a good sealing effect of the valve core.

[0027] Embodiment 2:

[0028] A valve core sealing component for an automobile, such as Figure 4 , 5As shown, it includes a sealing ring body and a valve core, the outer edge of the valve core is provided with a mounting groove, the sealing ring body includes an integrally formed sealing ring 2 and a mounting ring 1, the mounting ring 1 is sleeved in the mounting groove, and bending grooves are provided on both sides of the mounting ring 1, a positioning plug-in is inserted in the bending groove, the positioning plug-in is set as a sliding plug rod 4, the sliding plug rod 4 is slidably inserted in the bending groove, and a positioning protrusion is provided at the lower end of the positioning plug-in, and the positioning protrusion abuts against the side wall of the mounting groove. The positioning protrusion at the bottom of the sliding plug rod 4 is set as a positioning protrusion ring 41, and the positioning protrusion ring 41 is set in an arc shape facing the outside of the mounting ring 1. The bottom of the bending groove is provided with a positioning groove that matches the positioning protrusion ring 41 in a concave and convex manner. The top of the sliding plug rod 4 is provided with a positioning snap ring 42, and the positioning snap ring 42 protrudes from the outer wall of the mounting ring 1. The positioning snap ring 42 is clamped on the upper edge of the mounting groove, and the side of the sealing ring 2 facing the mounting ring 1 is provided with a sliding groove 5 that matches the positioning snap ring 42 in a concave and convex manner.

[0029] In this embodiment, during the process of inserting the mounting ring 1 into the mounting groove, since the positioning snap ring 42 protrudes from the outer wall of the mounting ring 1 and is clamped on the top of the mounting groove, the mounting groove contacts the positioning snap ring 42, causing the sliding rod 4 to slide upward as a whole. During the sliding process, the positioning convex ring 41 disengages from the positioning groove upward, and the positioning convex ring 41 squeezes the side wall of the mounting ring 1 to deform and bulge outward, tightly against the inner wall of the mounting groove, so that the sealing ring body and the valve core are locked, preventing the sealing ring body from jumping out during the reciprocating motion of the valve core, thereby ensuring a good sealing effect of the valve core. At the same time, a sliding groove 5 is provided on the sealing ring 2, which can completely hide the positioning snap ring 42 and provide a certain support to the sealing ring 2 through the positioning snap ring 42.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A valve core sealing assembly for an automobile, comprising a sealing ring body and a valve core, wherein the outer edge of the valve core is provided with a mounting groove, and characterized in that: The sealing ring body includes an integrally formed sealing ring and a mounting ring, the mounting ring is sleeved in the mounting groove, bending grooves are provided on both sides of the mounting ring, a positioning plug is inserted in the bending groove, a positioning protrusion is provided at the lower end of the positioning plug, and the positioning protrusion abuts against the side wall of the mounting groove.

2. The automotive valve core sealing assembly according to claim 1, characterized in that: The positioning plug-in is configured as a positioning airbag, and the positioning airbag is engaged in a concave-convex fit in the bending groove. The top end of the positioning airbag is configured as an extrusion part, and the outer wall of the extrusion part is configured as an inclined extrusion surface. The upper end of the inclined extrusion surface protrudes from the outer wall of the mounting ring, and the lower end is flush with the outer wall of the mounting ring. The inclined extrusion surface is configured to be inclined inward from top to bottom.

3. The automotive valve core sealing assembly according to claim 2, characterized in that: The positioning protrusions at the lower end of the positioning airbag are set as a plurality of positioning protrusions, and the positions of the mounting ring corresponding to the positioning protrusions are provided with a plurality of positioning holes, the positioning holes are connected with the bending grooves, and the positioning protrusions pass through the positioning holes and abut against the side walls of the mounting grooves.

4. The automotive valve core sealing assembly according to claim 3, characterized in that: A plurality of laterally distributed limiting strips are arranged on one side of the positioning protrusion facing the side wall of the installation groove, and the limiting strips abut against the side wall of the installation groove.

5. The automotive valve core sealing assembly according to claim 1, characterized in that: The positioning plug-in is configured as a sliding plug rod, and the sliding plug rod is slidably inserted in the bending groove. The positioning protrusion at the bottom of the sliding plug rod is configured as a positioning convex ring, and the positioning convex ring is configured to be arc-shaped toward the outside of the mounting ring. The bottom of the bending groove is provided with a positioning groove that matches the positioning convex ring. The top of the sliding plug rod is provided with a positioning snap ring, and the positioning snap ring protrudes from the outer wall of the mounting ring. The positioning snap ring is snapped on the upper edge of the mounting groove.

6. The automotive valve core sealing assembly according to claim 5, characterized in that: The sealing ring is provided with a sliding groove on one side facing the mounting ring and matching the positioning clamp ring.

Images