CN213206896U - Bidirectional self-sealing quick joint - Google Patents

Abstract

The utility model provides a two-way proclaim oneself quick-operation joint, connect including first joint, second, first joint terminal surface center inwards is equipped with the step hole, first sealed piece and first spring are installed respectively at both ends around the step hole, first sealed piece outer wall and step downthehole wall swing joint, first sealed piece central point puts and is equipped with the through hole, step downthehole wall is equipped with the dead lever, the dead lever runs through first sealed piece with the through hole contacts, second joint terminal surface center goes out inwards to be equipped with the hole, sealed piece of second and second spring are installed at both ends around the hole, the sealed piece outer wall of second and hole inner wall swing joint reach sealed effect by oneself through two above-mentioned sealed pieces and two springs.

Description

Bidirectional self-sealing quick joint

Technical Field

The utility model relates to a technical field that the joint is proclaimed oneself specifically is a quick-operation joint is proclaimed oneself in two-way.

Background

As the industry develops, all need use hydraulic servo, in order not to have impurity influence operation in the mechanism, need to connect to have leakproofness, for example patent application: 201110212179.3, including a valve body and a valve seat assembled at the rear end of the valve body, a valve core fixed on the valve seat is arranged in the valve body, a sliding sleeve is movably sleeved on the valve core along the front and back direction, a return spring is arranged between the rear end of the sliding sleeve and the valve body or the valve seat, a valve core sealing section is arranged on the valve core, a medium channel is arranged in the valve core, the medium channel is provided with a medium inlet positioned at the rear end of the valve core and used for receiving the medium in the corresponding pipeline and a medium outlet positioned upwards from the valve core, a sliding sleeve sealing section which is matched with the valve core sealing section in a sliding and sealing manner to seal the medium outlet is arranged on the sliding sleeve, and the sliding sleeve has an opening stroke for opening; the fixed core joint valve greatly improves the sealing performance of the fixed core joint valve, but the fixed core joint valve cannot seal by itself, so that impurities enter the joint to influence the operation.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a two-way self-sealing quick coupling for solve the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a quick-operation joint is proclaimed oneself in two-way, includes first joint, second joint, first joint terminal surface center inwards is equipped with the step hole, first sealed piece and first spring are installed respectively at both ends around the step hole, first sealed piece outer wall and step downthehole wall swing joint, first sealed piece central point puts and is equipped with the through hole, step downthehole wall is equipped with the dead lever, the dead lever runs through first sealed piece with the through hole contacts, second joint terminal surface center goes out inwards to be equipped with the hole, sealed piece of second and second spring are installed at both ends around the hole, the sealed piece outer wall of second and hole inner wall swing joint reach sealed effect by oneself through above-mentioned two sealed pieces and two springs.

Furthermore, the front end of the fixing rod is fixedly provided with first rubber, the outer wall of the first rubber is movably connected with the inner wall of the through hole, and the inner wall, connected with the step hole, of the lower end of the fixing rod is provided with a plurality of first flow guide holes, so that sealing is realized, and liquid flows under sealing.

Furthermore, the upper end and the lower end of the first spring are respectively connected with the lower end face of the first sealing block and the inner wall of the stepped hole, and elasticity is provided for the first sealing block to achieve the sealing effect.

Further, second rubber is fixedly mounted at the upper end of the second sealing block, the second rubber is movably connected with the inner wall of the inner hole, a plurality of second flow guide holes are formed in the second sealing block, and sealing is achieved, and liquid flows under sealing.

Furthermore, both ends link to each other with terminal surface and hole inner wall under the second sealed piece respectively about the second spring, and a second sealed piece provides elasticity, makes it reach sealed effect.

Furthermore, a first thread is arranged at the front end of the first joint, a second thread and a pushing tooth are arranged in a concave hole at the front end of the second joint, and the first thread and the second thread are matched with each other to fixedly connect the first joint and the second joint.

Furthermore, the outer wall of the second joint is provided with a plurality of stripes in a surrounding mode, and therefore the first joint and the second joint can be screwed conveniently.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses reached the sealed effect by oneself, made first sealed piece and step hole in close contact with through first spring, dead lever and through hole in close contact with have realized that the first joint is sealed by oneself, and the second spring makes the sealed piece of second closely link to each other with the hole, has realized that the second connects to seal by oneself, has reached the sealed effect by oneself.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a sectional view of a joint connection structure of the present invention;

fig. 2 is a schematic view of a first joint structure of the present invention;

fig. 3 is a schematic view of a second joint structure of the present invention;

fig. 4 is a cross-sectional view of a first joint of the present invention;

fig. 5 is a cross-sectional view of a second joint of the present invention.

In the figure: 1. a first joint; 11. a stepped bore; 111. a first seal block; 112. a first spring; 12. a through hole; 13. fixing the rod; 131. a first rubber; 132. a first flow guide hole; 14. a first thread; 2. a second joint; 21. an inner bore; 211. a second seal block; 211a and second guide holes; 212b, a second rubber; 212. a second spring; 22. pushing teeth; 23. stripes; 24. a second thread.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-5 heavily, a two-way self-sealing quick coupling includes a first coupling 1 and a second coupling 2, a step hole 11 is provided inwards at the center of the end surface of the first coupling 1, a first sealing block 111 and a first spring 112 are respectively installed at the front and rear ends of the step hole 11, the outer wall of the first sealing block 111 is movably connected with the inner wall of the step hole 11, a through hole 12 is provided at the center of the first sealing block 111, a fixing rod 13 is provided at the inner wall of the step hole 11, the fixing rod 13 penetrates through the first sealing block 111 to contact with the through hole 12, an inner hole 21 is provided inwards at the center of the end surface of the second coupling 2, a second sealing block 211 and a second spring 212 are installed at the front and rear ends of the inner hole 21, and the outer wall of the second sealing block 211 is movably connected with the inner.

Please refer to fig. 1 and fig. 4 again, a first rubber 131 is fixedly installed at the front end of the fixing rod 13, the outer wall of the first rubber 131 is movably connected with the inner wall of the through hole 12, a plurality of first guiding holes 132 are formed in the inner wall of the fixing rod 13, which is connected with the step hole 11, at the lower end of the fixing rod 13, and the upper and lower ends of the first spring 112 are respectively connected with the lower end surface of the first sealing block 111 and the inner wall of the step hole 11.

Please refer to fig. 1 and 5 again, a second rubber 212b is fixedly installed at the upper end of the second sealing block 211, the second rubber 212b is movably connected with the inner wall of the inner hole 21, a plurality of second guiding holes 211a are formed in the second sealing block 211, and the upper end and the lower end of the second spring 212 are respectively connected with the lower end surface of the second sealing block 211 and the inner wall of the inner hole 21.

Please refer to fig. 1-3, a first thread 14 is disposed at a front end of the first joint 1, a second thread 24 and a pushing tooth 22 are disposed in a front end concave hole of the second joint 2, the first thread 14 and the second thread 24 are engaged with each other, and a plurality of stripes 23 are disposed around an outer wall of the second joint 2.

The utility model discloses a concrete operation as follows:

firstly, when the joint is not installed, the first spring 112 in the first joint 1 expands to push the first sealing block 111 to be in close contact with the stepped hole 11, the outer wall of the first rubber 131 at the upper end of the fixing rod 13 is in close contact with the inner wall of the through hole 12, so that the first joint 1 is in a sealing state, the second spring 212 in the second joint 2 expands to push the second sealing block 211 to be in close contact with the inner hole 21, and the inner wall of the inner hole 21 on the outer wall of the second rubber 212b is in close contact, so that the second joint 2 is in a sealing state; when the connector is mounted, the first connector 1 and the second connector 2 are held, the second connector 2 is screwed from the stripe 23, the second thread 24 rotates on the first thread 14, the end face of the push tooth 22 pushes against the first sealing block 111 to compress the spring, the first rubber 131 at the upper end of the fixing rod 13 contacts with the second rubber 212b at the upper end of the second sealing block 211, the second sealing block 211 presses the second spring 212 downwards, and the through hole 12 is communicated with the inner hole 21.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims (7)

1. A bidirectional self-sealing quick joint comprises a first joint (1) and a second joint (2), it is characterized in that the center of the end surface of the first joint (1) is inwards provided with a step hole (11), a first sealing block (111) and a first spring (112) are respectively arranged at the front end and the rear end of the stepped hole (11), the outer wall of the first sealing block (111) is movably connected with the inner wall of the stepped hole (11), a through hole (12) is arranged at the center of the first sealing block (111), a fixing rod (13) is arranged on the inner wall of the stepped hole (11), the fixing rod (13) penetrates through the first sealing block (111) and is contacted with the through hole (12), an inner hole (21) is formed in the center of the end face of the second joint (2) in an inward mode, a second sealing block (211) and a second spring (212) are installed at the front end and the rear end of the inner hole (21), the outer wall of the second sealing block (211) is movably connected with the inner wall of the inner hole (21).

2. The quick connector of claim 1, characterized in that a first rubber (131) is fixedly mounted at the front end of the fixing rod (13), the outer wall of the first rubber (131) is movably connected with the inner wall of the through hole (12), and a plurality of first guiding holes (132) are formed in the inner wall of the lower end of the fixing rod (13) connected with the stepped hole (11).

3. The quick connector of two-way proclaimed oneself according to claim 1, characterized by that, the upper and lower both ends of said first spring (112) link with lower terminal surface of the first seal block (111) and inboard wall of the stepped hole (11) separately.

4. The quick coupling of two-way proclaiming oneself of claim 1, characterized in that, second rubber (211b) is fixed to second sealing block (211) upper end, second rubber (211b) and hole (21) inner wall swing joint, be equipped with a plurality of second water conservancy diversion holes (211a) on second sealing block (211).

5. The quick coupling of two-way proclaimed from sealing of claim 1, characterized in that, the upper and lower both ends of the second spring (212) are connected with the lower end face of the second sealing block (211) and the inner wall of the inner bore (21) respectively.

6. The quick connector of two-way proclaimed oneself according to claim 1, characterized by that, the first joint (1) front end has the first whorl (14), the second joint (2) front end concavity has the second whorl (24) and pushes away the tooth (22), the said first whorl (14) and said second whorl (24) are fitted each other.

7. The quick connector of claim 1, characterized in that the outer wall of the second connector (2) is surrounded by a plurality of stripes (23).

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