CN216843591U

CN216843591U - High-strength replaceable quick-plug connector

Info

Publication number: CN216843591U
Application number: CN202123309086.0U
Authority: CN
Inventors: 王春峰; 李正桃; 谢康; 曹云
Original assignee: Hualai Changzhou Hydraulic Technology Co ltd
Current assignee: Hualai Changzhou Hydraulic Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-28
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to the technical field of hydraulic quick connector equipment, in particular to a high-strength replaceable quick-plug connector, which comprises a connecting seat, a valve body, a valve rod structure and a plurality of sealing elements, wherein the valve body is fixedly matched with the internal thread of the connecting seat provided with a step hole, a sealing element b is arranged at the position where the valve body is contacted with the step hole, and a sealing element c is arranged outside one end of the connecting seat, which is back to the valve body; a spring seat is fixedly installed in a valve body cavity of the valve body, wherein the valve body cavity is provided with a multistage taper hole, and one end of the spring seat is abutted to the inner hole wall of the connecting seat. The utility model discloses, the inside thread tightening cooperation that the connecting seat was provided with the step hole has the valve body, and the outside of valve body is equipped with trapezoidal recess, the steel ball locking of being convenient for, and connecting seat and valve body adopt the threaded connection's of the dismouting of being convenient for mounting means to can realize the sealed form that different hydraulic fluid ports are connected through changing the connecting seat, reduce use cost.

Description

High-strength replaceable quick-plugging connector

Technical Field

The utility model relates to a hydraulic pressure quick-operation joint equipment technical field especially relates to a high strength interchangeable formula quick-plug connector.

Background

The quick connector is a connector which can realize the connection or disconnection of pipelines without tools, and can be divided into a pneumatic quick connector and a hydraulic quick connector according to different applications, and the hydraulic quick connector is used for quickly connecting and disconnecting hydraulic fluid and is very wide in application. The hydraulic quick joint is formed by connecting a male joint and a female joint, the female joint contains a one-way valve core, and the hydraulic quick joint has a one-way sealing effect when being used alone. When the fluid pipeline is communicated, the male joint and the female joint need to be connected in a matching mode, the male joint contains steel balls, and when the male joint is connected with the female joint, the front end of the female joint is easily damaged by local pressure of the steel balls, so that damage and leakage are caused. For this reason, improvements in quick connectors are needed.

Therefore, a high-strength replaceable quick-plug connector is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-strength replaceable quick-plugging connector.

In order to realize the purpose, the utility model adopts the following technical scheme:

a high-strength replaceable quick-plug connector comprises a connecting seat, a valve body, a valve rod structure and a plurality of sealing elements, wherein the valve body is fixedly matched with the internal thread of the connecting seat provided with a step hole, the sealing element b is arranged at the position where the valve body is in contact with the step hole, and the sealing element c is arranged outside one end, back to the valve body, of the connecting seat;

fixed mounting has the spring holder in the valve body cavity that multistage bell mouth was seted up to the valve body, and the one end of spring holder supports on the interior pore wall of connecting seat, the grafting cooperation has valve rod structure in the spring holder, and valve rod structure's outside is cup jointed and is provided with compression spring, and the laminating that compression spring's both ends correspond respectively is in on the terminal surface of spring holder and the terminal surface of rod shoulder, the rod shoulder includes in valve rod structure, valve rod structure still includes integrated into one piece's rod seat, the little body of rod and the big body of rod, and the pole outer wall between rod seat and the rod shoulder still is provided with sealing member a.

Preferably, the outer edge taper angle of the rod seat is in fit connection with the outermost inner hole of the multi-stage tapered hole in the valve body.

Preferably, a counter bore is formed in the center of the spring seat, a jack is formed in the bottom of the counter bore, L-shaped notches are formed in two sides of the jack, the length of each notch is larger than that of the jack, and a small rod body of the valve rod structure penetrates through the jack and extends into the counter bore.

Preferably, the radial range covered by the compression spring comprises the lengths of the large rod body and the small rod body 1/2, the spring seat props against the compression spring, the elastic force of the compression spring enables the valve rod structure to be tightly attached to the valve body, and sealing is achieved through the sealing piece a.

Preferably, one end of the connecting seat is provided with a groove, the side wall in the groove is provided with a step hole, and the step hole is communicated with the connecting hole.

Preferably, the inner wall of the groove is provided with an internal thread, the outer wall of the valve body connected with the connecting seat is provided with an external thread, and the valve body is fixed in the groove provided with the internal thread.

Preferably, the outside of the valve body is provided with a trapezoidal groove, so that the steel ball can be locked conveniently.

The utility model has the advantages that:

1. the utility model discloses, the inside thread tightening cooperation that the connecting seat was provided with the step hole has the valve body, and the outside of valve body is equipped with trapezoidal recess, and the steel ball of being convenient for locks, and through the split type design of connecting seat and valve body, under the prerequisite of guaranteeing sealing performance, can change the connecting seat according to the user demand of difference to use cost has been reduced.

2. The utility model discloses, the radial scope that compression spring covered includes the length of the big body of rod and the body of rod 1/2 body of the small rod, the outer border taper angle of rod seat and the valve body in the outer hole of multistage bell mouth laminate each other and be connected, and the spring holder supports compression spring, and compression spring's elasticity is closely laminated valve rod and valve body, realizes sealedly through sealing member an, makes the connector sealing performance in this application reliable, and joint strength is high, convenient assembling, reuse rate is high.

Drawings

Fig. 1 is a schematic front sectional view of a high-strength replaceable quick-plug connector according to the present invention;

fig. 2 is a schematic cross-sectional structure view of a valve body of a high-strength replaceable quick-plug connector according to the present invention;

fig. 3 is a schematic view of a valve rod structure of the replaceable high-strength quick-plug connector according to the present invention.

In the figure: 1 connecting seat, 2 valve body, 3 valve rod structure, 4 sealing elements a, 5 compression springs, 6 spring seats, 7 sealing elements b, 8 sealing elements c, 9 valve body cavity and 10 connecting holes

31 pole base, 32 pole shoulder, 33 small pole body and 34 large pole body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Those not described in detail in this specification are within the skill of the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Example (b): referring to fig. 1-3, a high strength interchangeable formula is inserted connector soon, includes connecting seat 1, valve body 2, valve rod structure 3 and a plurality of sealing member, and its sealing performance is reliable, and joint strength is high, convenient assembling, and reuse rate is high. Connecting seat 1 is provided with the inside screw thread fixed coordination in step hole has valve body 2, and the position department that valve body 2 and step hole contacted is provided with sealing member b7, connecting seat 1 is provided with sealing member c8 outside the one end of valve body 2 dorsad, and connecting seat 1's outside has the external screw thread promptly, and the waist of external screw thread is equipped with sealing member c8, with hydraulic fluid port sealing connection, through a plurality of sealing member that sets up on each position of connector, increases the sealing reliability of connector.

Further, the one end of connecting seat 1 is seted up flutedly, and the lateral wall in the recess has seted up the step hole again, the step hole link up with connecting hole 10 each other, the inner wall of recess is provided with the internal thread, the outer wall of the valve body 2 that is connected with connecting seat 1 is provided with the external screw thread, valve body 2 is fixed in being equipped with the internal screw thread recess, the outside of valve body 2 is equipped with trapezoidal recess, the steel ball locking of being convenient for, connecting seat 1 and valve body 2 adopt the threaded connection's of the dismouting of being convenient for mounting means, under the prerequisite of guaranteeing sealing performance, can be through changing connecting seat 1, realize the sealed form of different hydraulic fluid port connections, thereby use cost is reduced, the alloy structure steel is selected to the material of valve body 2, and do high-frequency hardening to the front end position of valve body 2, the joint strength of valve body 2 has been increased.

A spring seat 6 is fixedly installed in a valve body cavity 9 of the valve body 2 provided with the multistage taper holes, one end of the spring seat 6 is abutted against the inner hole wall of the connecting seat 1, a valve rod structure 3 is inserted and matched in the spring seat 6, a compression spring 5 is sleeved outside the valve rod structure 3, and two ends of the compression spring 5 are correspondingly attached to the end surface of the spring seat 6 and the end surface of the rod shoulder 32 respectively;

valve rod structure 3 is integrated into one piece, including rod seat 31, the pole shoulder 32, the small rod body 33 and the big rod body 34, be equipped with sealing member a4 between rod seat 31 and the pole shoulder 32, be equipped with the jack on the spring holder 6, the small rod body 3 of valve rod structure 3 is pegged graft in the 6 jacks of spring holder, compression spring 5 sets up between spring holder 6 and valve rod structure 3, one end is laminated with the rod shoulder 32 of valve rod structure 3, one end offsets with spring holder 6, the radial range that covers after compression spring 5 compresses includes the length of the big rod body 34 and the small rod body 331/2 body of rod.

The center of spring holder 6 is equipped with the counter bore, the bottom of counter bore is equipped with the jack, the both sides of jack are provided with L type notch, the length of notch is greater than the length of jack, and the small rod body 33 of valve rod structure 3 passes the jack and extends to in the counter bore, the radial range that compression spring 5 covered includes the one end 1/2 body of rod and the large rod body 34 of the small rod body 33, the outer fringe cone angle of rod seat 31 and the outer most limit hole of multistage bell mouth laminating each other in the valve body 2 are connected, spring holder 6 supports compression spring 5, compression spring 5's elasticity makes valve rod structure 3 and the inseparable laminating of valve body 2, realize sealing through sealing member a 4.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A high-strength replaceable quick-plug connector comprises a connecting seat (1), a valve body (2), a valve rod structure (3) and a plurality of sealing elements, and is characterized in that the valve body (2) is fixedly matched with the internal threads of a stepped hole of the connecting seat (1), a sealing element b (7) is arranged at the position where the valve body (2) is in contact with the stepped hole, and a sealing element c (8) is arranged outside one end, back to the valve body (2), of the connecting seat (1);

fixed mounting has spring holder (6) in valve body chamber (9) that multistage bell mouth was seted up in valve body (2), and the one end of spring holder (6) supports on the interior pore wall of connecting seat (1), plug-in cooperation has valve rod structure (3) in spring holder (6), and the outside of valve rod structure (3) is cup jointed and is provided with compression spring (5), and the laminating that the both ends of compression spring (5) correspond respectively is in on the terminal surface of spring holder (6) and the terminal surface of rod shoulder (32), rod shoulder (32) are including in valve rod structure (3), valve rod structure (3) still include integrated into one piece's rod seat (31), the little body of rod (33) and big body of rod (34), and the pole outer wall between rod seat (31) and rod shoulder (32) still is provided with sealing member a (4).

2. A high strength replaceable quick-plug connector according to claim 1, wherein the outer edge taper angle of the rod seat (31) and the outermost inner hole of the multi-step taper hole in the valve body (2) are in abutting connection.

3. A high strength replaceable quick-plug connector according to claim 1, wherein the spring seat (6) is provided with a counter bore in the center, the bottom of the counter bore is provided with a socket, the two sides of the socket are provided with L-shaped notches, the length of the notch is greater than that of the socket, and the small rod (33) of the valve rod structure (3) extends into the counter bore through the socket.

4. A high strength replaceable quick-connect connector according to claim 1 wherein the radial extent covered by said compression spring (5) comprises the length of said large rod (34) and small rod (33) 1/2.

5. The replaceable quick-plug connector with high strength as claimed in claim 1, wherein one end of the connecting base (1) is provided with a groove, and the side wall of the groove is further provided with a stepped hole, and the stepped hole is communicated with the connecting hole (10).

6. A high strength replaceable quick-connect coupling according to claim 5, wherein the inner wall of the recess is provided with an internal thread, the outer wall of the valve body (2) connected to the connection socket (1) is provided with an external thread, and the valve body (2) is fixed in the recess provided with an internal thread.

7. A high strength replaceable quick-plug connector as claimed in claim 1, wherein the valve body (2) is provided with a trapezoidal groove on the outside for steel ball locking.