阅读说明：本技术 一种具有弹性插接和刚性锁止结构的快插接头 (Quick connector with elastic insertion and rigid locking structure ) 是由 刘淼 于 2020-07-10 设计创作，主要内容包括：本发明涉及快插接头技术领域,且公开了一种具有弹性插接和刚性锁止结构的快插接头,包括阴接头体,阴接头体的中间位置开设有圆形通孔,阴接头体的内部低端套接有两组O型密封圈,两组O型密封圈的中间位置卡接有隔套,阴接头体的外圆处设置有锁止挡板,阴接头体的外圆处套接有挡圈,阴接头体的内圈处下端套接有密封挡圈,密封挡圈的下端外圆处套接有法兰,法兰的下端内部套接有阳接头,阳接头的下端固定安装有阳接头卡槽,挡圈的内圈位置设置有挡圈长圆孔。本发明中,挡圈为自复位插片式设计,利用插片式挡圈弹性梁结构与密封挡圈外壁接触挤压产生回复弹性力,实现一次锁止,一次锁止是弹性锁止,实现快速插接和快速解锁。(The invention relates to the technical field of quick connectors and discloses a quick connector with an elastic insertion and rigid locking structure, which comprises a female connector body, wherein a circular through hole is formed in the middle of the female connector body, two groups of O-shaped sealing rings are sleeved at the lower end of the interior of the female connector body, a spacer sleeve is clamped at the middle position of each group of O-shaped sealing rings, a locking baffle is arranged at the outer circle of the female connector body, a check ring is sleeved at the outer circle of the female connector body, a sealing check ring is sleeved at the lower end of the inner circle of the female connector body, a flange is sleeved at the outer circle of the lower end of the sealing check ring, a male connector is sleeved inside the lower end of the flange, a male connector clamping groove is fixedly arranged at the lower end of the male connector, and a. According to the invention, the check ring is designed in a self-resetting inserting-piece mode, the elastic beam structure of the inserting-piece type check ring is in contact with and extruded with the outer wall of the sealing check ring to generate a return elastic force, so that one-time locking is realized, and the one-time locking is elastic locking, so that quick inserting and quick unlocking are realized.)

1. The utility model provides a quick connector with elasticity is pegged graft and rigidity locking structure, includes female joint body (1), O type sealing washer (2), spacer (3), locking baffle (4), retaining ring (5), sealing retainer ring (6), flange (7), male joint (8) and male joint draw-in groove (9), its characterized in that: the middle position of the female joint body (1) is provided with a circular through hole, two groups of O-shaped sealing rings (2) are arranged, the two groups of O-shaped sealing rings (2) are sleeved at the bottom end inside the female joint body (1), the spacer sleeve (3) is clamped at the middle position of the two groups of O-shaped sealing rings (2), the locking baffle (4) is sleeved at the excircle of the female joint body (1), the check ring (5) is sleeved at the excircle of the female joint body (1), the sealing check ring (6) is sleeved at the lower end of the inner circle of the female joint body (1), the flange (7) is sleeved at the excircle of the lower end of the sealing check ring (6), the male joint (8) is sleeved inside the lower end of the flange (7), and the male joint clamping groove (9) is formed at the excircle of the male joint (8);

a check ring slotted hole (10) is formed in the inner ring position of the check ring (5), bumps (11) are fixedly mounted on two side edges of the check ring (5), a top block (12) is fixedly mounted in the middle of the front end of the outer side of the check ring (5), a secondary unlocking baffle space (13) is formed in the upper end of the top block (12), and an unlocking button (19) is fixedly mounted on the rear end face of the outer side of the check ring (5);

the female joint body (1) comprises inverted teeth (22) and a joint body locking section (23), an inserting piece type check ring lower channel (25) is formed in the excircle of the joint body locking section (23), a check ring middle support rod (26) is fixedly installed inside the inserting piece type check ring lower channel (25), and an inserting piece type check ring upper channel (27) is formed in the upper end of the check ring middle support rod (26);

the upper end fixed mounting of locking baffle (4) has push button (34) down, and the outside intermediate position of locking baffle (4) is seted up the inside in rectangular channel and groove and is provided with baffle unblock button (35), and the left and right sides limit of baffle unblock button (35) is provided with right arm (36) and left arm (42) respectively, and the outside bottom end fixed mounting of locking baffle (4) has baffle (38), and the both sides face lower extreme of locking baffle (4) is provided with direction inclined plane (39).

2. The quick connector of claim 1, wherein the quick connector comprises a flexible plug and a rigid locking structure, wherein: the edge of the rear end of the outer side of the retainer ring (5) is provided with a chamfer (14), the rear side of the upper end face of the retainer ring (5) is fixedly provided with an elastic beam (15), the middle position of the rear side of the inner part of the elastic beam (15) is fixedly provided with a deformation limiting block (16), the middle position of the front end of the outer side of the elastic beam (15) is provided with a contact plate (17), and the front side position of the inner ring of the retainer ring (5) is provided with a hook (18).

3. The quick connector of claim 1, wherein the quick connector comprises a flexible plug and a rigid locking structure, wherein: the middle position of the excircle of the sealing retainer ring (6) is fixedly provided with non-return inverted teeth (20), and four groups of deformation space cutting grooves (21) are uniformly distributed on the lower end surface of the sealing retainer ring (6) at equal intervals.

4. The quick connector of claim 1, wherein the quick connector comprises a flexible plug and a rigid locking structure, wherein: the inverted teeth (22) are fixedly connected with the joint body locking section (23), and a plug-in piece type check ring limiting surface (24) is arranged in the middle of the inner ring of the joint body locking section (23).

5. The quick connector of claim 1, wherein the quick connector comprises a flexible plug and a rigid locking structure, wherein: the excircle of pawl (22) department is provided with baffle slot (31) and insert piece formula retaining ring lower passageway (25) reverse opposite, and the outside limit fixed mounting of baffle slot (31) has auto-lock baffle side guard board (28).

6. The quick connector of claim 1, wherein the quick connector comprises a flexible plug and a rigid locking structure, wherein: baffle inserting groove windows (30) are arranged in the middle of the two groups of die openings (29), the baffle inserting groove windows (30) are arranged on the outer circle of the joint body locking section (23), baffle front guard plates (32) are arranged on two side edges of the baffle inserting grooves (31), and a fluid flow passage (33) is arranged at the top end of the female joint body (1).

7. The quick connector of claim 1, wherein the quick connector comprises a flexible plug and a rigid locking structure, wherein: the outer circle of the joint body locking section (23) is provided with two sets of die openings (29), and the positions of the two sets of die openings (29) and the same vertical position of the baffle slot (31).

8. The quick connector of claim 1, wherein the quick connector comprises a flexible plug and a rigid locking structure, wherein: the lower end of the baffle unlocking button (35) is fixedly provided with a self-locking unlocking cantilever (37) and the self-locking unlocking cantilever (37) is fixedly connected with the bottom surface of the outer side groove of the locking baffle (4).

9. The quick connector of claim 1, wherein the quick connector comprises a flexible plug and a rigid locking structure, wherein: baffle non return pawl (40) and baffle auto-lock pawl (41) are located the upper end of baffle non return pawl (40) respectively fixed mounting on the lateral surface of auto-lock unblock cantilever (37), and fixed mounting has non return pawl backplate (43) on the medial surface of auto-lock unblock cantilever (37).

Technical Field

The invention relates to the technical field of quick connectors, in particular to a quick connector with an elastic insertion and rigid locking structure.

Background

The liquid cooling system is used as a subsystem of the battery system, and the overall scheme design needs to be matched with the scheme design of the battery system and is completed synchronously with the scheme design of the battery system. The overall scheme of the liquid cooling system is used as an overview of liquid cooling parts of each liquid cooling subsystem, and all the liquid cooling subsystems and the liquid cooling parts need to be ensured to act cooperatively. After the overall solution is determined, the heat transfer path, liquid cooling loops, liquid cooling plates, cooling strategy and mechanical structure need to be determined.

Existing joint utilizes the elasticity locking to accomplish the final grafting with the male joint on the market at present, does not adopt secondary locking or adopts elasticity locking piece usually, and the elasticity locking utilizes material self to warp the state of guaranteeing the locking, and the locking structure only need apply sufficient power and produce sufficient deformation, can cause the locking function to become invalid, if then use rigidity locking structure to replace, can improve articulate reliability. The joint connection is ensured to avoid failure under the normal working state. To this end, a quick connector with a resilient plug-in and rigid locking structure is proposed.

Disclosure of Invention

The invention mainly solves the technical problems in the prior art and provides a quick connector with an elastic insertion and rigid locking structure.

In order to achieve the purpose, the invention adopts the following technical scheme that the quick connector with the elastic insertion and rigid locking structure comprises a female connector body, wherein a circular through hole is formed in the middle position of the female connector body, two groups of O-shaped sealing rings are sleeved at the lower end in the female connector body, a spacer sleeve is clamped at the middle position of the two groups of O-shaped sealing rings, a locking baffle is arranged at the outer circle of the female connector body, a check ring is sleeved at the outer circle of the female connector body, a sealing check ring is sleeved at the lower end of the inner circle of the female connector body, a flange is sleeved at the outer circle of the lower end of the sealing check ring, a male connector is sleeved inside the lower end of the flange, and a male connector clamping groove is formed in the outer.

The inner circle position of retaining ring is provided with the retaining ring slotted hole, the equal fixed mounting in both sides limit of retaining ring has the lug, the outside front end intermediate position fixed mounting of retaining ring has the kicking block, the upper end of kicking block is provided with secondary unblock baffle space, the outside rear end edge of retaining ring is provided with the chamfer, the up end rear side fixed mounting of retaining ring has the elastic beam, the inside rear side intermediate position fixed mounting of elastic beam has the deformation stopper, the outside front end intermediate position of elastic beam is provided with the contact plate, the inner circle front side position of retaining ring is provided with the pothook, fixed mounting has the unblock button on the outside rear end face of retaining.

The middle position of the excircle of the sealing retainer ring is fixedly provided with non-return inverted teeth, and four groups of deformation space cutting grooves are uniformly distributed on the lower end surface of the sealing retainer ring at equal intervals.

The female joint body comprises inverted teeth and a joint body locking section, the inverted teeth and the joint body locking section are fixedly connected together, the middle position of the inner ring of the joint body locking section is provided with an inserting type check ring limiting surface, the excircle of the joint body locking section is provided with an inserting type check ring lower channel, a check ring middle support rod is fixedly arranged inside the inserting type check ring lower channel, the upper end of the check ring middle support rod is provided with an inserting type check ring upper channel, the excircle of the inverted teeth is provided with a baffle slot, the reverse direction of the baffle slot is opposite to that of the inserting type check ring lower channel, the outer side edge of the baffle slot is fixedly provided with a self-locking baffle side guard plate, the excircle of the joint body locking section is provided with two groups of mold openings, the positions of the two groups of mold openings are the same vertical position as that of the baffle slot, the middle position of the two groups of mold openings is provided with, baffle front guard plates are arranged on two side edges of the baffle slot, and a fluid flow channel is arranged at the top end of the female joint body.

Preferably, the upper end of the locking baffle is fixedly provided with a press button, a rectangular groove is formed in the middle of the outer side of the locking baffle, a baffle unlocking button is arranged in the groove, and the left side and the right side of the baffle unlocking button are respectively provided with a right arm and a left arm.

Preferably, a self-locking unlocking cantilever is fixedly mounted at the lower end of the baffle unlocking button and is fixedly connected with the bottom surface of the locking baffle outer side groove.

Preferably, the bottom end of the outer side surface of the locking baffle is fixedly provided with a baffle, and the lower ends of the two side surfaces of the locking baffle are provided with guide inclined planes.

Preferably, the outer side surface of the self-locking unlocking cantilever is respectively and fixedly provided with a baffle non-return pawl and a baffle self-locking pawl, the baffle self-locking pawl is positioned at the upper end of the baffle non-return pawl, and the inner side surface of the self-locking unlocking cantilever is fixedly provided with a non-return pawl back plate.

Advantageous effects

The invention provides a quick connector with an elastic insertion and rigid locking structure. The method has the following beneficial effects:

(1) the quick connector with the elastic inserting and rigid locking structure adopts a female connector in an elastic inserting sheet type check ring structure form, is different from the connector form based on an SV270 male connector in the prior art, the self-resetting of the check ring is realized by generating elastic force through the extrusion deformation of the elastic structure of the check ring and the side wall of a sealing check ring, and in the inserting installation process of the male connector and the female connector body, the snap connection of the female connector body and the male connector is realized by clamping the clamping hook into the clamping groove of the male connector by utilizing the elastic force, and clear inserting sound signals and shape signals are provided; after the insertion is finished, the clamping state is continuously kept under the action of elastic force; in the dismantlement in-process, the operator overcomes the elastic force through pressing the unblock button, releases the pothook from the male joint draw-in groove, accomplishes the joint unblock, can separate female joint body and male joint this moment, arranges the position of lug in the most yielding thinnest department of retaining ring, and both usable deformation accomplishes the joint, can not produce destruction to the retaining ring structure again.

(2) This quick connector with elasticity is pegged graft and rigidity locking structure, retaining ring are for from the design of reset inserted sheet formula, utilize inserted sheet formula retaining ring elastic beam structure and sealing ring outer wall contact extrusion to produce and reply the elastic force, realize a locking, and a locking is the elasticity locking, realizes pegging graft fast and unblock fast.

(3) This quick connector with elasticity is pegged graft and rigidity locking structure, the design of plug-in sheet formula retaining ring passageway is binary channels from top to bottom on the joint body, will have the part of different functions and cut apart and improve the cooperation precision, avoids simultaneously because the too big plug-in sheet formula retaining ring that arouses of single passageway cross sectional dimension twists reverse or warp and then influence the cooperation precision and connect wholeness ability in the translation in-process appearance.

(4) According to the quick connector with the elastic insertion and rigid locking structure, the secondary locking baffle slot on the connector body is designed to be a straight-through type, so that the manufacturing process of the connector body is simplified, and the installation, disassembly and replacement operations of the secondary locking baffle are simplified.

(5) This quick connector with elasticity is pegged graft and rigidity locking structure has secondary locking baffle, through occupying the required deformation space of a locking unblock, rigidity locking promptly, locks a locking state, increases the safety and stability of device.

(6) This quick connector with elasticity is pegged graft and rigidity locking structure, the two pawl structural design of secondary locking baffle have auto-lock and anticreep, and lockable secondary locking state is deviate from the slot when preventing the unblock simultaneously.

(7) This quick connector with elasticity is pegged graft and rigidity locking structure adopts the mistake proofing design, guarantees to a locking, secondary locking again, this correct installation procedure of auto-lock of secondary locking again, guarantees the uniqueness of device, realizes that twice locking can be stable go on according to the order, and simplified operation just improves stability.

(8) This quick connector with elasticity is pegged graft and rigidity locking structure, centering flange's design has guaranteed to connect under the service environment that receives the side direction effect, can keep the stability of assembly and then guarantee the stability of work.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a detailed view of the retainer ring of the present invention;

FIG. 3 is a schematic view of the back of the retainer ring of the present invention;

FIG. 4 is a detailed schematic view of a sealing gasket of the present invention;

FIG. 5 is a detailed schematic view of the female fitting body of the present invention;

FIG. 6 is a schematic top view of the female fitting body of the present invention;

FIG. 7 is a schematic front view of the locking baffle of the present invention;

FIG. 8 is a rear schematic view of the locking baffle of the present invention;

FIG. 9 is a schematic sectional view of the female connector body and retainer ring of the present invention installed;

FIG. 10 is a schematic sectional view of the installation of the retainer ring and male fitting of the present invention;

fig. 11 is a cross-sectional overall installation schematic of the present invention.

Illustration of the drawings:

1 female joint body, 2O-shaped sealing ring, 3 spacer bushes, 4 locking baffle plates, 5 check rings, 6 sealing check rings, 7 flanges, 8 male joints, 9 male joint clamping grooves, 10 check ring slotted holes, 11 convex blocks, 12 top blocks, 13 secondary unlocking baffle plate spaces, 14 chamfers, 15 elastic beams, 16 deformation limiting blocks, 17 contact plates, 18 clamping hooks, 19 unlocking buttons, 20 non-return inverted teeth, 21 deformation space cutting grooves, 22 inverted teeth, 23 joint body locking sections, 24 inserted type check ring limiting surfaces, 25 inserted type check ring lower channels, 26 check ring middle support rods, 27 inserted type check ring upper channels, 28 self-locking baffle plate side protection plates, 29 mould openings, 30 baffle plate inserting groove windows, 31 baffle plate inserting grooves, 32 baffle plate front protection plates, 33 fluid flow passages, 34 press buttons, 35 baffle plate unlocking buttons, 36 right arms, 37 self-locking unlocking cantilevers, 38 baffle plates, 39 guide inclined surfaces, 40 non-return inverted teeth, 41 baffle plate self-locking inverted teeth, 41 baffle plate inverted teeth, 42 left arm, 43 no return pawl back plate.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.