CN209880941U

CN209880941U - Waterproof joint

Info

Publication number: CN209880941U
Application number: CN201920758673.1U
Authority: CN
Inventors: 李金生; 吴波
Original assignee: Wuhu Hua Yan Water Utilities Co Ltd
Current assignee: Wuhu Hua Yan Water Utilities Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2019-12-31
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a waterproof joint, which belongs to the technical field of wire joints and comprises a plug and a socket matched with the plug for realizing the waterproof purpose; the socket is hermetically sleeved on the lead, the socket comprises a sleeve, a conductive elastic sheet arranged in the sleeve, a baffle arranged in the sleeve, a first spring arranged on the baffle and a stop ring arranged at the end part of the sleeve, and the diameter of the baffle is larger than the inner diameter of the stop ring; the conductive elastic sheet is electrically connected with the lead; two ends of the first spring are respectively connected with the sleeve and the baffle; the plug comprises a probe made of a conductive material and a sealing block arranged at one end of the probe, one end of the probe connected with the sealing block is electrically connected with another lead, the length of the probe is greater than the distance between the conductive elastic sheet and the blocking ring, and the sealing block is matched with the blocking ring. The aim of waterproofing the joint is fulfilled.

Description

Waterproof joint

Technical Field

The utility model belongs to the technical field of the wire connects, specifically be a water joint.

Background

The wire joint is a conventional device, is a device for electrically connecting wires, and is very convenient to use. However, the existing wire joint is generally not provided with a waterproof design, even if the existing wire joint has a waterproof effect, the existing wire joint cannot be effectively sealed before and after use.

Disclosure of Invention

In view of this, the utility model aims at providing a waterproof joint realizes the waterproof purpose of wire joint.

In view of the above, the present invention provides a waterproof connector, which includes a plug and a socket engaged with the plug; the socket is hermetically sleeved on the lead, the socket comprises a sleeve, a conductive elastic sheet arranged in the sleeve, a baffle arranged in the sleeve, a first spring arranged on the baffle and a stop ring arranged at the end part of the sleeve, and the diameter of the baffle is larger than the inner diameter of the stop ring; the conductive elastic sheet is electrically connected with the lead; two ends of the first spring are respectively connected with the sleeve and the baffle; the plug comprises a probe made of a conductive material and a sealing block arranged at one end of the probe, one end of the probe connected with the sealing block is electrically connected with another lead, the length of the probe is greater than the distance between the conductive elastic sheet and the blocking ring, and the sealing block is matched with the blocking ring.

Optionally, the baffle is in clearance fit with the sleeve, and a maximum clearance between the baffle and the inner wall of the sleeve is smaller than the thickness of the stop ring.

Optionally, the baffle and the sealing block are both made of rubber materials.

Optionally, an expansion cavity is further arranged on the outer portion of the sleeve, the expansion cavity is located at the position of the conductive elastic sheet on the sleeve, a second spring is arranged in the expansion cavity, and two ends of the second spring are connected with the conductive elastic sheet and the inner wall of the expansion cavity respectively.

Optionally, the sealing block is circular truncated cone-shaped, and the diameter of the end, close to the free end of the probe, of the sealing block is smaller than the diameter of the end, far away from the free end of the probe.

Optionally, the diameter of the end with the small diameter of the sealing block is smaller than the inner diameter of the stop ring, and the diameter of the end with the large diameter of the sealing block is larger than the inner diameter of the stop ring.

Optionally, a third spring is further arranged in the sleeve, one end of the first spring, which is originally connected with the sleeve, is connected with one end of the third spring, which is far away from the first spring, is connected with the sleeve, and the elastic force of the third spring is far greater than that of the first spring.

Optionally, an interposer is further disposed in the sleeve, the interposer is disposed on the third spring, and the interposer is in clearance fit with the sleeve.

Optionally, an interposer is further disposed in the sleeve, the interposer is disposed on the third spring, and the size and the manufacturing material of the interposer are the same as those of the baffle.

The utility model has the advantages that: when the plug is not inserted into the socket, the baffle plate is matched with the blocking ring to seal the sleeve under the action of the first spring; when the plug is inserted into the socket, the probe pushes the baffle open and then is matched with the conductive elastic sheet to be clamped and electrically connected, and the sealing block is matched with the blocking ring to seal the sleeve; the comprehensive matching treatment is that the plug is not sealed in the process of being inserted into the socket, and the sleeves before and after insertion are sealed, but the process of inserting the plug into the socket is very short, so that the sealing effect of the whole sealing joint is determined to be very good.

Drawings

Fig. 1 is a schematic structural diagram of a waterproof joint according to an embodiment of the present invention when a plug is inserted into a socket.

Fig. 2 is a single schematic diagram of a socket of a watertight connector according to an embodiment of the present invention.

Fig. 3 is a single schematic diagram of a plug of a watertight connector according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.

It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be understood as limitations to the embodiments of the present invention, and the following embodiments do not describe any more.

As shown in fig. 1, a watertight connector includes a plug and a socket to be mated with the plug; the plug and the socket are respectively in sealed electric connection with two leads, the socket comprises a sleeve 1, a conductive elastic sheet 2 arranged in the sleeve 1, a baffle 4 arranged in the sleeve 1, a first spring 5 arranged on the baffle and a stop ring 3 arranged at the end part of the sleeve 1, and the diameter of the baffle 4 is larger than the inner diameter of the stop ring 3; the conductive elastic sheet 2 is electrically connected with the lead; two ends of the first spring 5 are respectively connected with the sleeve 1 and the baffle 4;

the plug comprises a probe 6 made of a conductive material and a sealing block 7 arranged at one end of the probe 6, one end of the probe 6 connected with the sealing block 7 is electrically connected with another wire, the length of the probe 6 is greater than the distance between the conductive elastic sheet 2 and the blocking ring 3, and the sealing block 7 is matched with the blocking ring 3. When the plug needs to be inserted into the socket, the probe 6 firstly pushes the baffle 4 into the sleeve 1, then the probe 6 extrudes the conductive elastic sheet 2, and the sealing block 7 seals the opening of the blocking ring 3, so that the sealing effect is achieved.

The baffle 4 is in clearance fit with the sleeve 1, and the maximum clearance between the baffle 4 and the inner wall of the sleeve 1 is smaller than the thickness of the stop ring 3. The shutter 4 slides inside the sleeve 1. When the plug is not inserted into the socket, the baffle 4 is matched with the blocking ring 3 to seal the sleeve 1 under the action of the first spring 5; when the plug is inserted into the socket, the probe 6 pushes the baffle 4 open and then is matched with the conductive elastic sheet 2 to be clamped and electrically connected, and the sealing block 7 is matched with the stop ring 3 to seal the sleeve 1; the comprehensive matching treatment is that the plug is not sealed in the process of being inserted into the socket, and the sleeves 1 before and after being inserted are sealed, but the process of inserting the plug into the socket is very short, so that the sealing effect of the whole sealing joint is determined to be very good.

In order to ensure that the baffle 4 slides smoothly in the sleeve 1, the thickness of the baffle 4 is larger than the radius of the baffle.

In order to increase the sealing effect, the baffle 4 and the sealing block 7 are both made of rubber materials.

In order to increase the clamping strength of the conductive elastic sheet 2 and the probe 6, an expansion cavity is further arranged outside the sleeve 1, the expansion cavity is located at the position of the conductive elastic sheet 2 on the sleeve 1, a second spring is arranged in the expansion cavity, and two ends of the second spring are respectively connected with the conductive elastic sheet 2 and the inner wall of the expansion cavity.

In order to make one end of the sealing block 7 easily enter the sleeve 1, the sealing block 7 is circular truncated cone-shaped, and the diameter of one end, close to the free end of the probe 6, of the sealing block 7 is smaller than that of one end, far away from the free end of the probe 6. The diameter of the end with the small diameter of the sealing block 7 is smaller than the inner diameter of the stop ring 3, and the diameter of the end with the large diameter of the sealing block 7 is larger than the inner diameter of the stop ring 3.

Because the probe 6 is longer in the stroke of pushing against the baffle 4 to move, in order to increase the elasticity of the initial spring and further increase the sealing effect of the baffle 4 and the stop ring 3, the sleeve 1 is internally provided with the third spring 10, two ends of the third spring 10 are respectively connected with one end of the first spring 5 far away from the baffle 4 and the sleeve 1, the elasticity of the third spring 10 is far greater than that of the first spring 5, and when the probe 6 is not in contact with the baffle 4, the pressure between the baffle 4 and the stop ring 3 can also meet the sealing requirement.

For stability, an interposer 9 is further disposed in the sleeve 1, the interposer 9 is disposed on the third spring 10, and the interposer 9 is in clearance fit with the sleeve 1. An intermediate sheet 9 is further arranged in the sleeve 1, the intermediate sheet 9 is arranged on the third spring 10, and the size and the manufacturing material of the intermediate sheet 9 are the same as those of the baffle 4.

In order to ensure that the plug cannot be ejected out by the third spring 10 and the first spring 5 after being inserted into the socket, the side face of the baffle 4 is provided with a positioning hole, the side wall of the sleeve 1 is provided with an insertion hole, a positioning pin is arranged in the insertion hole, and when the positioning hole is overlapped with the insertion hole, the positioning hole is inserted and positioned, so that the baffle 4 is clamped, and the plug is prevented from being ejected out by the baffle 4 under the action of the third spring 10 and the first spring 5.

In order to guarantee sealed effect, the locating pin includes the inside pin of metal preparation and wraps up at the outside rubber materials of pin, the diameter of inside pin is less than the diameter of jack, and the diameter of locating pin is greater than the diameter of jack, locating pin and jack interference fit, can the self-sealing jack after the locating pin inserts the jack like this.

In order to ensure that the positioning holes on the baffle 4 can be smoothly matched with the positioning pins, the side wall of the sleeve 1 is also provided with a guide convex strip, and the side surface of the baffle 4 is provided with a groove matched with the guide convex strip. The guide ribs are parallel to the axis of the sleeve 1.

In order to further ensure sealing, a sealing protruding ring 8 matched with the sleeve 1 is further arranged outside the sealing block 7, the inner diameter of the sealing protruding ring 8 is equal to the outer diameter of the sleeve 1, and when the sealing block 7 is matched with the inner wall of the sleeve 1, the sealing protruding ring 8 is sleeved on the sleeve 1.

The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A waterproof connector is characterized by comprising a plug and a socket matched with the plug; the socket is hermetically sleeved on the lead, the socket comprises a sleeve (1), a conductive elastic sheet (2) arranged in the sleeve (1), a baffle (4) arranged in the sleeve (1), a first spring (5) arranged on the baffle and a blocking ring (3) arranged at the end part of the sleeve (1), and the diameter of the baffle (4) is larger than the inner diameter of the blocking ring (3); the conductive elastic sheet (2) is electrically connected with the lead; two ends of the first spring (5) are respectively connected with the sleeve (1) and the baffle (4);

the plug comprises a probe (6) made of a conductive material and a sealing block (7) arranged at one end of the probe (6), one end, connected with the sealing block (7), of the probe (6) is electrically connected with another wire, the length of the probe (6) is larger than the distance between the conductive elastic sheet (2) and the blocking ring (3), and the sealing block (7) is matched with the blocking ring (3).

2. The watertight joint according to claim 1, characterized in that the baffle (4) is clearance-fitted to the sleeve (1), the maximum clearance between the baffle (4) and the inner wall of the sleeve (1) being smaller than the thickness of the blocking ring (3).

3. The watertight joint according to claim 1, characterized in that said baffle (4) and said sealing block (7) are made of rubber material.

4. The waterproof joint according to claim 1, wherein an expansion cavity is further provided on the exterior of the sleeve (1), the expansion cavity is located at the position of the conductive elastic sheet (2) on the sleeve (1), a second spring is provided in the expansion cavity, and two ends of the second spring are respectively connected to the conductive elastic sheet (2) and the inner wall of the expansion cavity.

5. The watertight joint according to claim 1, characterized in that said sealing block (7) is frustoconical, the diameter of the end of the sealing block (7) close to the free end of the probe (6) being smaller than the diameter of the end remote from the free end of the probe (6).

6. The watertight joint according to claim 5, characterized in that the diameter of the end of the sealing block (7) with the smaller diameter is smaller than the inner diameter of the blocking ring (3), and the diameter of the end of the sealing block (7) with the larger diameter is larger than the inner diameter of the blocking ring (3).

7. The waterproof joint according to any one of claims 1 to 6, wherein a third spring (10) is further arranged in the sleeve (1), one end of the first spring (5) originally connected with the sleeve (1) is connected with one end of the third spring (10), one end of the third spring (10) far away from the first spring (5) is connected with the sleeve (1), and the elastic force of the third spring (10) is far greater than that of the first spring (5).

8. The watertight joint according to claim 7, characterized in that an interposer (9) is further provided in the sleeve (1), the interposer (9) is provided on the third spring (10), and the interposer (9) is in clearance fit with the sleeve (1).

9. The watertight joint according to claim 7, characterized in that an interposer (9) is further disposed in the sleeve (1), the interposer (9) is disposed on the third spring (10), and the size and the material of the interposer (9) are the same as those of the baffle (4).